/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-gradient);
    min-height: 100vh;
}

/* =======================================
   MODERN NAVIGATION LAYOUT
   ======================================= */

/* Top Header */
.top-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    padding: 0.75rem 1.5rem;
    box-shadow: var(--shadow-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 60px;
}


.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-left h1 a img {
    display: block;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: background 0.2s ease;
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Animated hamburger icon */
.hamburger-icon {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 18px;
    height: 18px;
    position: relative;
}

.hamburger-icon .line {
    width: 100%;
    height: 2px;
    background: var(--color-bg-primary);
    border-radius: 1px;
    transition: all 0.3s ease;
    transform-origin: center;
    position: absolute;
}

.hamburger-icon .line:nth-child(1) {
    top: 4px;
}

.hamburger-icon .line:nth-child(2) {
    top: 8px;
}

.hamburger-icon .line:nth-child(3) {
    top: 12px;
}

/* Hamburger animation for mobile open state */
.sidebar-mobile-open .hamburger-icon .line:nth-child(1) {
    top: 8px;
    transform: rotate(45deg);
}

.sidebar-mobile-open .hamburger-icon .line:nth-child(2) {
    opacity: 0;
}

.sidebar-mobile-open .hamburger-icon .line:nth-child(3) {
    top: 8px;
    transform: rotate(-45deg);
}

/* Hamburger animation for desktop collapsed state */
.sidebar-collapsed .hamburger-icon .line:nth-child(1) {
    top: 8px;
    transform: rotate(45deg);
}

.sidebar-collapsed .hamburger-icon .line:nth-child(2) {
    opacity: 0;
}

.sidebar-collapsed .hamburger-icon .line:nth-child(3) {
    top: 8px;
    transform: rotate(-45deg);
}

.compose-btn {
    background: var(--color-brand-green);
    border: 1px solid var(--color-brand-green);
    color: #2d3748;
    padding: 0.6rem 1.2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-md);
    font-size: 0.8rem;
    transition: transform 0.2s ease;
}

.compose-btn:hover {
    background: color-mix(in srgb, var(--color-brand-green) 85%, black);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

/* App Container */
.app-container {
    display: flex;
    margin-top: 60px;
    min-height: calc(100vh - 60px);
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: var(--color-bg-muted);
    border-right: 1px solid var(--color-border-light);
    overflow-y: auto;
    position: fixed;
    top: 60px;
    left: 0;
    min-height: calc(100vh - 60px);
    z-index: 900;
}

.sidebar-nav {
    padding: 1.5rem 0;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section:last-child {
    margin-bottom: 0;
}

.nav-section-title {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 0.75rem 1.5rem;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: var(--color-bg-muted);
    color: var(--color-text-primary);
    border-left-color: var(--color-border-tertiary);
}

.nav-link.active {
    background: var(--color-bg-secondary);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    font-weight: 600;
}

.nav-icon {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.nav-text {
    flex: 1;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 1.5rem;
    background: var(--color-bg-muted);
}

/* Sidebar Collapsed State (Desktop) */
.sidebar-collapsed .sidebar {
    width: 60px;
}

.sidebar-collapsed .main-content {
    margin-left: 60px;
}

.sidebar-collapsed .nav-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.sidebar-collapsed .nav-section-title {
    opacity: 0;
    height: 0;
    overflow: hidden;
    margin: 0;
}

.sidebar-collapsed .nav-link {
    justify-content: center;
    padding: 0.75rem;
}

.sidebar-collapsed .nav-icon {
    margin: 0;
}

/* Prevent body scroll when mobile sidebar is open */
.sidebar-mobile-open {
    overflow: hidden;
}

/* Fade in animation for backdrop */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* User dropdown menu */
.user-menu {
    position: relative;
}

.user-dropdown {
    position: relative;
    display: inline-block;
}

.user-btn {
    background: rgba(255, 255, 255, 0.08);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 0.4rem 0.8rem;
    border-radius: 0.375rem;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.2s ease;
}

.user-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.dropdown-arrow {
    color: white;
    font-size: 0.7rem;
}

.user-dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 0.5rem;
    background: var(--color-bg-primary);
    min-width: 120px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border-radius: 0.5rem;
    overflow: hidden;
    z-index: 1001;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.user-dropdown-content.show {
    display: block;
}

.user-dropdown-content form {
    margin: 0;
    padding: 0;
}

.user-dropdown-content .menu-item {
    background: transparent;
    color: var(--color-text-secondary);
    border: none;
    padding: 0.75rem 1rem;
    width: 100%;
    text-align: left;
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    display: block;
}

.user-dropdown-content .menu-item:hover {
    background: var(--color-bg-muted);
}

/* Main content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Page headers */
.inbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.inbox-header h2 {
    color: var(--color-text-primary);
    font-size: 2rem;
    font-weight: 700;
}

/* Buttons */
.btn {
    padding: 0.5rem 0.8rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    display: inline-block;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

/* Email table */
.email-table {
    width: 100%;
    background: var(--color-bg-primary);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
}

.email-table table {
    width: 100%;
    border-collapse: collapse;
}

.email-table th {
    background: var(--color-bg-secondary);
    padding: 1rem 1.5rem;
    text-align: left;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 2px solid var(--color-border-dark);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.email-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-bg-muted);
}

.email-table tr:hover {
    background: linear-gradient(135deg, rgba(184, 143, 255, 0.05) 0%, rgba(178, 248, 0, 0.05) 100%);
}

.email-table tr:last-child td {
    border-bottom: none;
}

.email-table a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.email-sender {
    font-weight: 600;
    color: #B88FFF;
}

.email-subject {
    font-weight: 500;
    color: var(--color-text-primary);
    font-size: 1rem;
}

.email-date {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    white-space: nowrap;
}

.email-status {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.email-status.unread {
    background: #B2F800;
}

.email-status.read {
    background: var(--color-border-light);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--color-bg-primary);
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
}

.empty-state h3 {
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.empty-state p {
    color: var(--color-text-muted);
    font-size: 1rem;
}

/* Authentication forms */
.auth-container {
    max-width: 400px;
    margin: 4rem auto;
    background: var(--color-bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
}

.auth-container h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-text-primary);
    font-size: 2rem;
}

.auth-form {
    width: 100%;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--color-border-light);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(184, 143, 255, 0.1);
}

.auth-link {
    text-align: center;
    margin-top: 1.5rem;
}

.auth-link a {
    color: #B88FFF;
    text-decoration: none;
    font-weight: 500;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* Mobile page header improvements */
@media (max-width: 768px) {
    .inbox-header {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
        margin-bottom: var(--spacing-xl);
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .inbox-header h2 {
        font-size: var(--font-size-2xl);
        margin-bottom: 0;
    }
    
    /* Mobile page layout */
    .main-content {
        padding: var(--spacing-md);
    }
    
    /* Mobile thread page improvements */
    .thread-container {
        margin: 0;
        padding: 0;
    }
    
    .thread-header {
        flex-direction: column;
        gap: var(--spacing-lg);
        align-items: stretch;
        padding: var(--spacing-lg) var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .thread-actions {
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .thread-actions .btn {
        flex: 1;
        min-height: 44px;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    /* Mobile email in thread */
    .email-in-thread {
        margin-bottom: var(--spacing-lg);
        border-radius: var(--radius-md);
    }
    
    .email-in-thread.reply {
        margin-left: var(--spacing-md);
    }
    
    .email-in-thread.reply::before,
    .email-in-thread.reply::after {
        display: none;
    }
    
    .email-header {
        padding: var(--spacing-lg);
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .email-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }
    
    .email-actions {
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .email-actions .btn {
        flex: 1;
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .email-content {
        padding: var(--spacing-lg);
    }
    
    .email-body {
        font-size: var(--font-size-base);
        line-height: 1.6;
    }
}

/* Drafts and Scheduled Email Styles - Match inbox styling */
.draft-row {
    background: var(--color-bg-primary);
}

.draft-row:hover {
    background: var(--color-bg-secondary);
}

.scheduled-row {
    background: var(--color-bg-primary);
}

.scheduled-row:hover {
    background: var(--color-bg-secondary);
}

.email-status.draft {
    background: #6c757d;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.email-status.scheduled {
    background: #ffc107;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.email-recipient {
    font-weight: 500;
    color: var(--color-text-primary);
}

.email-recipient em {
    color: #a0aec0;
    font-style: italic;
}

.no-subject, .no-content {
    color: #a0aec0;
    font-style: italic;
}

.btn-xs {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    border-radius: 0.375rem;
    font-weight: 500;
}

.scheduled-time {
    font-weight: 500;
    color: var(--color-text-secondary);
}

.status-pending {
    color: #38a169;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-retrying {
    color: #ed8936;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-error {
    color: #e53e3e;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: help;
}

.action-buttons {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.action-buttons .btn-xs {
    white-space: nowrap;
}


/* Enhanced button styles for drafts and scheduled */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    min-width: 80px;
}

.btn-primary {
    background: #B88FFF;
    color: white;
}

.btn-primary:hover {
    background: #9F7AEA;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(184, 143, 255, 0.3);
}

.btn-secondary {
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-light);
}

.btn-secondary:hover {
    background: var(--color-bg-muted);
    color: var(--color-text-primary);
}

.btn-danger {
    background: linear-gradient(135deg, #f56565 0%, #e53e3e 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(245, 101, 101, 0.2);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(245, 101, 101, 0.3);
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--color-bg-primary);
    border-radius: 1rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-sm);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state h3 {
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

/* Email Item Layout */
.email-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.email-checkbox {
    padding-top: 0.25rem;
}

.email-checkbox input[type="checkbox"] {
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 0.25rem;
    border: 2px solid var(--color-border-light);
    cursor: pointer;
}

.email-checkbox input[type="checkbox"]:checked {
    background-color: #4299e1;
    border-color: var(--color-info);
}

.email-checkbox input[type="checkbox"]:hover {
    border-color: var(--color-info);
}

.bulk-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: var(--color-bg-primary);
    border-radius: 0.75rem;
    margin-top: 1.5rem;
    border: 1px solid var(--color-border-light);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    position: sticky;
    bottom: 1rem;
}

.select-actions label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 0.95rem;
}

.select-actions input[type="checkbox"] {
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 0.25rem;
    border: 2px solid var(--color-border-light);
    cursor: pointer;
}

.select-actions input[type="checkbox"]:checked {
    background-color: #4299e1;
    border-color: var(--color-info);
}

.action-buttons {
    display: flex;
    gap: 0.75rem;
}

/* Status indicators for scheduled emails */
.scheduled-item[data-attempts="0"] {
    border-left-color: var(--color-warning);
}

.scheduled-item[data-attempts]:not([data-attempts="0"]) {
    border-left-color: var(--color-warning);
    background: #fff4e6;
}

.scheduled-item[data-error="true"] {
    border-left-color: var(--color-danger);
    background: #fdf2f2;
}

.scheduled-item[data-error="true"]:hover {
    background: #fed7d7;
}


.btn-warning {
    background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%);
    color: #212529;
    border: none;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #e0a800 0%, #d39e00 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(255, 193, 7, 0.3);
}

.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    border: none;
}

.btn-success:hover {
    background: linear-gradient(135deg, #218838 0%, #1e7e34 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(40, 167, 69, 0.3);
}

/* Responsive improvements */
@media (max-width: 768px) {
    .draft-item, .scheduled-item {
        padding: 1rem;
    }
    
    .email-item {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .email-checkbox {
        align-self: flex-start;
        padding-top: 0;
    }
    
    .email-header {
        flex-direction: column;
        gap: 0.5rem;
        margin-bottom: 0.5rem;
    }
    
    .email-date {
        align-self: flex-start;
    }
    
    .email-actions {
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }
    
    .btn-sm {
        min-width: 70px;
        padding: 0.375rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .bulk-actions {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
        position: static;
        margin-top: 1rem;
    }
    
    .action-buttons {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .schedule-info {
        font-size: 0.85rem;
        padding: 0.375rem 0.625rem;
    }
    
    .send-status {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        padding: 0.625rem;
    }
    
    .email-subject {
        font-size: 1rem;
    }
    
    .email-preview {
        font-size: 0.85rem;
    }
}

/* ===========================
   CSS CUSTOM PROPERTIES
   =========================== */
:root {
    /* Colors */
    --color-primary: #B88FFF;
    --color-primary-hover: #9F7AEA;
    --color-secondary: #6c757d;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #E53E3E;
    --color-info: #007bff;
    --color-brand-green: #B8FF00;
    
    /* Text colors */
    --color-text-primary: #2d3748;
    --color-text-secondary: #4a5568;
    --color-text-muted: #718096;
    --color-text-light: #a0aec0;
    
    /* Background colors */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8f9fa;
    --color-bg-muted: #f7fafc;
    --color-bg-gradient: linear-gradient(135deg, #f7fafc 0%, #F5F3F0 50%, #edf2f7 100%);
    
    /* Border colors */
    --color-border-light: #e2e8f0;
    --color-border-medium: #dee2e6;
    --color-border-dark: #D4CFCA;
    --color-border-tertiary: #d1d5db;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: var(--shadow-sm);
    --shadow-md: var(--shadow-md);
    --shadow-lg: var(--shadow-lg);
    --shadow-primary: 0 4px 8px rgba(184, 143, 255, 0.3);
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
}

/* Dark mode support - test class */
body.dark-mode-test {
        /* Colors - darker variants for dark mode */
        --color-primary: #9F7AEA;
        --color-primary-hover: #805AD5;
        --color-secondary: #718096;
        --color-success: #48BB78;
        --color-warning: #ED8936;
        --color-danger: #F56565;
        --color-info: #4299E1;
        --color-brand-green: #9AE834;
        
        /* Text colors - inverted for dark mode */
        --color-text-primary: #f7fafc;
        --color-text-secondary: #cbd5e0;
        --color-text-muted: #a0aec0;
        --color-text-light: #718096;
        
        /* Background colors - dark variants */
        --color-bg-primary: #2d3748;
        --color-bg-secondary: #4a5568;
        --color-bg-muted: #1a202c;
        --color-bg-gradient: linear-gradient(135deg, #1a202c 0%, #2d3748 50%, #4a5568 100%);
        
        /* Border colors - lighter for contrast in dark mode */
        --color-border-light: #4a5568;
        --color-border-medium: #718096;
        --color-border-dark: #a0aec0;
        --color-border-tertiary: #718096;
        
        /* Shadows - darker and more prominent */
        --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
        --shadow-primary: 0 4px 8px rgba(159, 122, 234, 0.4);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        /* Colors - darker variants for dark mode */
        --color-primary: #9F7AEA;
        --color-primary-hover: #805AD5;
        --color-secondary: var(--color-text-muted);
        --color-success: #48BB78;
        --color-warning: #ED8936;
        --color-danger: #F56565;
        --color-info: #4299E1;
        --color-brand-green: #9AE834;
        
        /* Text colors - inverted for dark mode */
        --color-text-primary: #f7fafc;
        --color-text-secondary: #cbd5e0;
        --color-text-muted: #a0aec0;
        --color-text-light: #718096;
        
        /* Background colors - dark variants */
        --color-bg-primary: #2d3748;
        --color-bg-secondary: #4a5568;
        --color-bg-muted: #1a202c;
        --color-bg-gradient: linear-gradient(135deg, #1a202c 0%, #2d3748 50%, #4a5568 100%);
        
        /* Border colors - lighter for contrast in dark mode */
        --color-border-light: #4a5568;
        --color-border-medium: #718096;
        --color-border-dark: #a0aec0;
        --color-border-tertiary: #718096;
        
        /* Shadows - darker and more prominent */
        --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
        --shadow-primary: 0 4px 8px rgba(159, 122, 234, 0.4);
    }
}

/* ===========================
   EXTRACTED COMPONENT STYLES
   =========================== */

/* Batch Actions Component */
.batch-actions {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    display: flex;
    gap: var(--spacing-md);
}

.batch-actions button {
    margin: 0;
}

/* Email Checkbox Component */
.email-checkbox {
    margin: 0;
}

.email-checkbox input[type="checkbox"] {
    width: 1.1rem;
    height: 1.1rem;
    border-radius: var(--radius-sm);
    border: 2px solid var(--color-border-light);
    cursor: pointer;
}

.email-checkbox input[type="checkbox"]:checked {
    background-color: #4299e1;
    border-color: var(--color-info);
}

.email-checkbox input[type="checkbox"]:hover {
    border-color: var(--color-info);
}

#selectAllCheckbox {
    margin: 0;
}

/* Tag Components */
.thread-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 12px;
    color: white;
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    gap: var(--spacing-xs);
    min-width: 60px;
    text-align: center;
}

.remove-tag-btn {
    background: none;
    border: none;
    color: white;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    padding: 0;
    margin-left: 4px;
    opacity: 0.8;
}

.remove-tag-btn:hover {
    opacity: 1;
}

/* =======================================
   COLOR PICKER COMPONENT
   ======================================= */

.color-picker-container {
    margin-bottom: 1rem;
}

.color-picker-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.color-palette {
    margin-bottom: 1rem;
}

.color-swatch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(2.25rem, 1fr));
    gap: 0.5rem;
    max-width: 20rem;
}

.color-swatch {
    position: relative;
    width: 2.25rem;
    height: 2.25rem;
    border: 2px solid var(--color-border-light);
    border-radius: 0.5rem;
    cursor: pointer;
    background: none;
    padding: 0.125rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.color-swatch:hover {
    border-color: var(--color-border-dark);
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.color-swatch:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(184, 143, 255, 0.2);
}

.color-swatch.selected {
    border-color: var(--color-primary);
    border-width: 3px;
    box-shadow: 0 0 0 2px rgba(184, 143, 255, 0.3);
}

.color-swatch.selected::after {
    content: '✓';
    position: absolute;
    color: white;
    font-weight: bold;
    font-size: 0.875rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

.color-swatch-inner {
    width: 100%;
    height: 100%;
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-color-section {
    margin-bottom: 1rem;
}

.custom-color-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.custom-color-toggle:hover {
    background: var(--color-bg-muted);
    border-color: var(--color-border-medium);
}

.custom-color-toggle.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.custom-color-icon {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.custom-color-picker {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.custom-color-input {
    width: 3rem;
    height: 2.25rem;
    border: 1px solid var(--color-border-light);
    border-radius: 0.375rem;
    cursor: pointer;
    background: none;
}

.custom-color-input::-webkit-color-swatch-wrapper {
    padding: 0;
    border: none;
    border-radius: 0.25rem;
}

.custom-color-input::-webkit-color-swatch {
    border: none;
    border-radius: 0.25rem;
}

.selected-color-preview {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: 0.375rem;
    font-size: 0.875rem;
}

.selected-color-label {
    color: var(--color-text-secondary);
    font-weight: 500;
}

.selected-color-swatch {
    width: 1.5rem;
    height: 1.5rem;
    border: 1px solid var(--color-border-light);
    border-radius: 0.25rem;
    display: inline-block;
}

.selected-color-value {
    color: var(--color-text-muted);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.75rem;
    background: var(--color-bg-muted);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
}

/* Color-specific CSS classes for performance */
.tag-color-red { background-color: #dc3545 !important; }
.tag-color-orange { background-color: #fd7e14 !important; }
.tag-color-yellow { background-color: #ffc107 !important; }
.tag-color-blue { background-color: #007bff !important; }
.tag-color-green { background-color: #28a745 !important; }
.tag-color-purple { background-color: #6f42c1 !important; }
.tag-color-pink { background-color: #e83e8c !important; }
.tag-color-teal { background-color: #20c997 !important; }
.tag-color-indigo { background-color: #6610f2 !important; }
.tag-color-brown { background-color: #795548 !important; }
.tag-color-cyan { background-color: #17a2b8 !important; }
.tag-color-gray { background-color: #6c757d !important; }
.tag-color-dark-gray { background-color: #495057 !important; }
.tag-color-light-gray { background-color: #adb5bd !important; }

/* Table Components */
.table-container {
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
}

.table-container table {
    width: 100%;
    border-collapse: collapse;
}

.table-container th {
    background: var(--color-bg-secondary);
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 2px solid var(--color-border-dark);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table-container td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-bg-muted);
}

.table-container tr:hover {
    background: linear-gradient(135deg, rgba(184, 143, 255, 0.05) 0%, rgba(178, 248, 0, 0.05) 100%);
}

.table-container tr:last-child td {
    border-bottom: none;
}

/* Table Column Widths - replaces inline styles */
.col-checkbox { width: 30px; }
.col-status { width: 20px; }
.col-from { width: 25%; }
.col-subject { width: 35%; }
.col-tags { width: 15%; }
.col-date { width: 15%; }
.col-actions { width: auto; }

/* Column widths for sent/archived pages (no status column, but includes tags) */
body:has([href="/sent"].active) .col-from,
body:has([href="/archived"].active) .col-from {
    width: 30%;
}

body:has([href="/sent"].active) .col-subject,
body:has([href="/archived"].active) .col-subject {
    width: 35%;
}

body:has([href="/sent"].active) .col-tags,
body:has([href="/archived"].active) .col-tags {
    width: 20%;
}

body:has([href="/sent"].active) .col-date,
body:has([href="/archived"].active) .col-date {
    width: 15%;
}

/* Modal Components */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: var(--color-bg-primary);
    margin: 10% auto;
    padding: 0;
    border: none;
    width: 600px;
    max-width: 90%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border-medium);
}

.modal-header h3 {
    margin: 0;
    color: var(--color-text-primary);
}

.modal-body {
    padding: var(--spacing-xl);
}

.close {
    color: var(--color-text-light);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s ease;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close:hover,
.close:focus {
    color: var(--color-text-primary);
    text-decoration: none;
}

/* Modal forms */
.modal form {
    padding: var(--spacing-xl);
}

/* Mobile modal improvements */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-width: 95%;
        margin: 5% auto;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .modal-header {
        padding: var(--spacing-lg);
        position: sticky;
        top: 0;
        background: var(--color-bg-primary);
        z-index: 10;
    }
    
    .modal-header h3 {
        font-size: var(--font-size-lg);
    }
    
    .modal-body {
        padding: var(--spacing-lg);
    }
    
    .close {
        font-size: 24px;
        min-width: 48px;
        min-height: 48px;
    }
    
    /* Mobile modal forms */
    .modal form {
        padding: var(--spacing-lg);
    }
    
    .modal .form-group {
        margin-bottom: var(--spacing-lg);
    }
    
    .modal .form-group label {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-xs);
    }
    
    .modal .form-group input,
    .modal .form-group textarea,
    .modal .form-group select {
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
        min-height: 44px;
    }
    
    .modal .form-actions {
        flex-direction: column;
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
    }
    
    .modal .form-actions .btn {
        width: 100%;
        min-height: 48px;
        justify-content: center;
    }
    
    /* Mobile tag options */
    .tag-options {
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .tag-option {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Mobile filter dropdown */
    .filter-dropdown-content {
        position: fixed;
        top: 10%;
        left: 5%;
        right: 5%;
        width: auto;
        margin-top: 0;
        max-height: 80vh;
        overflow-y: auto;
        min-width: auto;
        max-width: none;
    }
    
    .filter-section {
        margin-bottom: var(--spacing-xl);
    }
    
    .filter-label {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-md);
    }
    
    .date-input,
    .filter-select {
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
        min-height: 44px;
    }
    
    .filter-actions {
        flex-direction: column;
        gap: var(--spacing-md);
        margin-top: var(--spacing-xl);
    }
    
    .filter-actions .btn {
        width: 100%;
        min-height: 48px;
        justify-content: center;
    }
}

/* Utility Classes */
.hidden { display: none !important; }
.inline-form { display: inline; }
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-light { color: var(--color-text-light); }

/* Gap utilities */
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Margin utilities */
.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* Flex utilities */
.flex { display: flex; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }

/* ===========================
   PAGE-SPECIFIC STYLES
   =========================== */

/* Thread Page Styles */
.thread-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--color-bg-gradient);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

.thread-header h2 {
    color: var(--color-text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    text-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.thread-actions {
    display: flex;
    gap: var(--spacing-md);
}

.thread-actions .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 500;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s ease;
}

.thread-actions .btn-secondary {
    background: var(--color-bg-primary);
    border: 2px solid var(--color-border-medium);
    color: var(--color-text-secondary);
}

.thread-actions .btn-secondary:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-1px);
}

.thread-actions .btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    border: 2px solid var(--color-primary);
    color: white;
    box-shadow: 0 2px 4px rgba(184, 143, 255, 0.3);
}

.thread-actions .btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-hover) 0%, #8B5CF6 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(184, 143, 255, 0.4);
}

.thread-container {
    max-width: 800px;
}

.email-in-thread {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
    position: relative;
}

.email-in-thread:hover {
    box-shadow: var(--shadow-md);
}

.email-in-thread.reply {
    margin-left: 60px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-left: 6px solid var(--color-info);
    border-radius: var(--radius-lg);
}

.email-in-thread.reply::before {
    content: '';
    position: absolute;
    left: -36px;
    top: 50%;
    width: 30px;
    height: 2px;
    background: var(--color-border-medium);
    border-radius: 1px;
}

.email-in-thread.reply::after {
    content: '↳';
    position: absolute;
    left: -50px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-info);
    font-size: 1.2rem;
    font-weight: bold;
}

.email-header {
    background: var(--color-bg-gradient);
    padding: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.email-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
}

.email-sender {
    font-weight: 600;
    color: var(--color-primary);
    font-size: var(--font-size-base);
}

.email-date {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.email-content {
    padding: var(--spacing-lg);
}

.email-subject {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.email-body {
    line-height: 1.6;
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    background: var(--color-bg-muted);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-border-medium);
}

/* Reply/Sent Indicators */
.reply-indicator {
    background: var(--color-info);
    color: white;
    padding: 2px var(--spacing-sm);
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.sent-indicator {
    background: var(--color-success);
    color: white;
    padding: 2px var(--spacing-sm);
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* Recipient type indicators */
.recipient-indicator {
    padding: 2px var(--spacing-sm);
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    margin-left: 0.5rem;
}

.cc-indicator {
    background: #fbbf24;
    color: #92400e;
}

.bcc-indicator {
    background: #a78bfa;
    color: #5b21b6;
}

/* Email recipients section */
.email-recipients {
    margin: var(--spacing-md) 0;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}

.recipients-header {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-gradient);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
    user-select: none;
}

.recipients-header:hover {
    background: color-mix(in srgb, var(--color-bg-gradient) 85%, black);
}

.recipients-toggle {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    transition: transform 0.2s ease;
}

.recipients-list {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.recipients-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.recipients-label {
    font-weight: 600;
    color: #495057;
    min-width: 2.5rem;
    font-size: 0.875rem;
}

.recipients-emails {
    color: #6c757d;
    font-size: 0.875rem;
    line-height: 1.4;
}

/* Email Body Image Styling */
.email-body img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.email-body img:hover {
    box-shadow: var(--shadow-md);
    transition: box-shadow 0.3s ease;
}

.email-body p img,
.email-body div img {
    display: inline-block;
    vertical-align: middle;
    margin: 0 5px;
    max-height: 200px;
    width: auto;
}

.email-body img[width],
.email-body img[height] {
    display: block;
    margin: var(--spacing-lg) 0;
}

/* Attachments */
.email-attachments {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid #eee;
}

.attachments-header {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.attachments-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.attachment-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 12px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: 6px;
}

.attachment-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.attachment-name {
    font-weight: 500;
    color: var(--color-text-primary);
}

.attachment-size {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.attachment-actions .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

/* Tag Management Styles */
.thread-tags-section {
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--color-border-medium);
}

.current-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tags-label {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-right: var(--spacing-md);
}

.no-tags {
    color: var(--color-text-muted);
    font-style: italic;
}

.btn-outline-secondary {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-secondary);
    color: var(--color-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
}

.btn-outline-secondary:hover {
    background: var(--color-secondary);
    color: white;
}

/* Tracker Warning Banner */
.tracker-warning-banner {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border: 1px solid var(--color-warning);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.tracker-warning-content {
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: 12px;
}

.tracker-warning-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.tracker-warning-text {
    flex: 1;
    color: #856404;
    font-size: 14px;
    line-height: 1.4;
}

.tracker-details-btn {
    background: #856404;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    cursor: pointer;
    font-weight: 500;
    flex-shrink: 0;
}

.tracker-details-btn:hover {
    background: #6c5003;
}

.tracker-details {
    background: #f8f4e6;
    border-top: 1px solid #e6d3a3;
    padding: var(--spacing-lg);
}

.tracker-details-content h4 {
    margin: 0 0 12px 0;
    color: #856404;
    font-size: 14px;
}

.email-tracker-info {
    margin-bottom: 12px;
    padding: var(--spacing-sm);
    background: var(--color-bg-primary);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-warning);
}

.email-tracker-info strong {
    display: block;
    color: #856404;
    font-size: 13px;
    margin-bottom: 4px;
}

.tracker-types {
    padding-left: var(--spacing-sm);
}

.tracker-type {
    display: inline-block;
    background: #e9ecef;
    color: #495057;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    margin-right: 4px;
    margin-bottom: 2px;
}

/* Enhanced button styles for action buttons in email headers */
.email-actions .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 2px solid;
    transition: all 0.2s ease;
    cursor: pointer;
}

.email-actions .btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    border-color: var(--color-primary);
    color: white;
    box-shadow: 0 2px 4px rgba(184, 143, 255, 0.3);
}

.email-actions .btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-hover) 0%, #8B5CF6 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(184, 143, 255, 0.4);
}

/* Email Actions Button Styles */
.action-buttons {
    display: flex;
    gap: 0.75rem;
}

.action-buttons .btn-xs {
    white-space: nowrap;
}

/* Compose Page Styles */
.original-email {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl) auto;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.original-email h3 {
    margin-top: 0;
    color: #495057;
    border-bottom: 1px solid var(--color-border-medium);
    padding-bottom: var(--spacing-sm);
}

.original-header {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.original-body {
    background: var(--color-bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border: 1px solid #e9ecef;
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.4;
    max-height: 300px;
    overflow-y: auto;
}

.compose-container {
    max-width: 800px;
    margin: 0 auto;
}

.compose-form {
    background: var(--color-bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
}

/* Editor Toggle Styles */
.editor-toggle {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.editor-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border-light);
    background: var(--color-bg-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
}

.editor-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.editor-btn:hover:not(.active) {
    border-color: var(--color-primary);
    background: var(--color-bg-secondary);
}

.editor-container {
    position: relative;
}

#quill-editor {
    background: var(--color-bg-primary);
    border-radius: var(--radius-md);
    border: 2px solid var(--color-border-light);
}

#quill-editor.ql-container {
    font-family: inherit;
    font-size: var(--font-size-base);
}

#quill-editor .ql-editor {
    padding: 0.75rem;
    min-height: 250px;
    line-height: 1.6;
}

#quill-editor .ql-toolbar {
    border-top: 2px solid var(--color-border-light);
    border-left: 2px solid var(--color-border-light);
    border-right: 2px solid var(--color-border-light);
    border-bottom: none;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    background: var(--color-bg-secondary);
}

#quill-editor .ql-container {
    border-top: none;
    border-left: 2px solid var(--color-border-light);
    border-right: 2px solid var(--color-border-light);
    border-bottom: 2px solid var(--color-border-light);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* File Input Styles */
.file-input {
    padding: var(--spacing-sm) !important;
    border: 2px dashed var(--color-border-light) !important;
    background: var(--color-bg-secondary) !important;
}

.file-input:hover {
    border-color: var(--color-primary) !important;
    background: #f1f3f4 !important;
}

.file-help {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Schedule Controls */
.schedule-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.schedule-input {
    max-width: 250px;
}

.quick-schedule {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn-outline {
    border: 1px solid var(--color-border-medium);
    background: var(--color-bg-primary);
    color: var(--color-text-muted);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-secondary);
    color: var(--color-primary);
}

.btn-outline.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: white;
}

.btn-schedule {
    background: var(--color-warning);
    color: #212529;
    border: none;
}

.btn-schedule:hover {
    background: #e0a800;
}

.btn-schedule.active {
    background: #d39e00;
}

.btn-draft {
    background: var(--color-secondary);
    color: white;
    border: none;
}

.btn-draft:hover {
    background: #5a6268;
}

#schedule-controls {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

/* Existing Attachments */
#existing-attachments {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.existing-attachments-list {
    margin-top: var(--spacing-sm);
}

.attachment-type {
    background: var(--color-primary);
    color: white;
    padding: 0.125rem var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.remove-attachment {
    background: var(--color-danger);
    color: white;
    border: none;
    padding: var(--spacing-sm) 0.75rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: background-color 0.3s;
}

.remove-attachment:hover {
    background: #c82333;
}

/* Aliases Page Styles */
.aliases-container {
    margin-bottom: var(--spacing-2xl);
}

.aliases-table {
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
}

.aliases-table table {
    width: 100%;
    border-collapse: collapse;
}

.aliases-table th {
    background: var(--color-bg-secondary);
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 2px solid var(--color-border-dark);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.aliases-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-bg-muted);
}

.aliases-table tr:hover {
    background: linear-gradient(135deg, rgba(184, 143, 255, 0.05) 0%, rgba(178, 248, 0, 0.05) 100%);
}

.aliases-table tr:last-child td {
    border-bottom: none;
}

.alias-email {
    font-weight: 500;
    color: var(--color-text-primary);
}

.alias-name {
    color: var(--color-text-muted);
}

.primary-badge {
    background: linear-gradient(135deg, #B2F800 0%, #9AE600 100%);
    color: var(--color-text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.secondary-badge {
    background: linear-gradient(135deg, #E2E8F0 0%, #CBD5E0 100%);
    color: var(--color-text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.btn-delete {
    background: var(--color-danger);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-delete:hover {
    background: #C53030;
}

.add-alias-container {
    background: var(--color-bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
}

.add-alias-container h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
    font-size: var(--font-size-xl);
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
    align-items: end;
}

/* Tags Page Styles */
.tags-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.tags-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tag-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-medium);
}

.tag-info {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-right: auto;
    margin-left: var(--spacing-lg);
}

.tag-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.tag-actions button {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 12px;
}

/* Tag Options in Modals */
.existing-tags h4,
.modal-body h4 {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--color-text-primary);
}

.tag-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.tag-option {
    padding: 6px 12px;
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    background: var(--color-info);
    transition: opacity 0.2s ease;
}

.tag-option:hover {
    opacity: 0.8;
}

.divider {
    text-align: center;
    margin: var(--spacing-xl) 0;
    position: relative;
    color: var(--color-text-muted);
    background: var(--color-bg-primary);
    padding: 0 var(--spacing-md);
    z-index: 2;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-border-medium);
    z-index: 1;
}

/* Enhanced form group styles */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: border-color 0.3s;
    background: var(--color-bg-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(184, 143, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 200px;
    font-family: inherit;
    line-height: 1.6;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-start;
    align-items: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}


/* ===========================
   EMAIL FILTERS STYLES - MODERN REDESIGN
   =========================== */
.filter-toolbar {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* Primary Filter Row - Main search and controls */
.filter-primary-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

/* Search Section */
.search-section {
    flex: 1;
    min-width: 280px;
}

/* Search Input Styling */
.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 14px;
    color: var(--color-text-muted);
    z-index: 1;
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md) 44px;
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background: var(--color-bg-primary);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(184, 143, 255, 0.1);
}

.search-clear {
    position: absolute;
    right: var(--spacing-sm);
    background: none;
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
}

.search-clear:hover {
    background: #f1f5f9;
    color: var(--color-text-primary);
}

/* Filter Controls Section */
.filter-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* Filter Presets */
.filter-presets {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.preset-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border-light);
    background: var(--color-bg-primary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    color: var(--color-text-secondary);
    position: relative;
}

.preset-btn:hover {
    border-color: var(--color-primary);
    background: rgba(184, 143, 255, 0.05);
    box-shadow: 0 2px 4px rgba(184, 143, 255, 0.1);
}

.preset-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(184, 143, 255, 0.3);
}

.preset-btn svg {
    transition: transform 0.2s ease;
}

.preset-btn:hover svg {
    transform: scale(1.1);
}

/* Advanced Filters Toggle */
.advanced-filters-toggle {
    position: relative;
}

.advanced-filter-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border-light);
    background: var(--color-bg-primary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    color: var(--color-text-secondary);
    position: relative;
}

.advanced-filter-btn:hover {
    border-color: var(--color-primary);
    background: rgba(184, 143, 255, 0.05);
    box-shadow: 0 2px 4px rgba(184, 143, 255, 0.1);
}

.advanced-filter-btn.has-filters {
    border-color: var(--color-primary);
    background: rgba(184, 143, 255, 0.1);
    color: var(--color-primary);
}

.filter-count-badge {
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 600;
    margin-left: 2px;
}

.dropdown-arrow {
    transition: transform 0.2s ease;
}

.advanced-filter-btn[aria-expanded="true"] .dropdown-arrow {
    transform: rotate(180deg);
}

/* Advanced Filter Dropdown */
.filter-dropdown {
    position: relative;
}

.filter-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-md);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
    z-index: 100;
    min-width: 380px;
    max-width: 480px;
    overflow: hidden;
}

.filter-dropdown-content.show {
    display: block;
    animation: filterDropdownSlide 0.2s ease-out;
}

@keyframes filterDropdownSlide {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Filter Panel Header */
.filter-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-md) var(--spacing-xl);
    border-bottom: 1px solid #f1f5f9;
    background: var(--color-bg-muted);
}

.filter-panel-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
}

.close-panel-btn {
    background: none;
    border: none;
    padding: var(--spacing-xs);
    cursor: pointer;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.close-panel-btn:hover {
    background: var(--color-border-light);
    color: var(--color-text-primary);
}

/* Filter Panel Content */
.filter-panel-content {
    padding: var(--spacing-lg) var(--spacing-xl);
    max-height: 60vh;
    overflow-y: auto;
}

/* Filter Sections */
.filter-section {
    margin-bottom: var(--spacing-xl);
}

.filter-section:last-child {
    margin-bottom: 0;
}

.filter-section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.filter-section-header svg {
    color: var(--color-primary);
}

.filter-section-title {
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
}

.section-helper {
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-style: italic;
}

/* Date Range Styling */
.date-range-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.date-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.date-label {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.date-input {
    padding: var(--spacing-md);
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    background: var(--color-bg-primary);
    transition: all 0.2s ease;
}

.date-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(184, 143, 255, 0.1);
}

/* Status Filter Styling */
.status-filter-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.status-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.status-option:hover {
    background: rgba(184, 143, 255, 0.05);
}

.status-radio {
    margin: 0;
    cursor: pointer;
}

.status-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    cursor: pointer;
}

/* Tag Filter Styling */
.tag-filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-sm);
    max-height: 240px;
    overflow-y: auto;
    padding: var(--spacing-xs);
}

.tag-filter-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.tag-filter-item:hover {
    background: var(--color-bg-muted);
    border-color: var(--color-border-light);
    transform: translateY(-1px);
}

.tag-checkbox {
    margin: 0;
    cursor: pointer;
}

.tag-chip {
    display: inline-block;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 500;
    white-space: nowrap;
    flex: 1;
    text-align: center;
}

/* Filter Panel Footer */
.filter-panel-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid #f1f5f9;
    background: var(--color-bg-muted);
}

.clear-all-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: 2px solid #dc2626;
    border-radius: var(--radius-sm);
    color: #dc2626;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    justify-content: center;
}

.clear-all-btn:hover {
    background: #dc2626;
    color: white;
    box-shadow: 0 2px 4px rgba(220, 38, 38, 0.2);
}

/* Active Filters Section */
.active-filters-section {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-top: 1px solid #f1f5f9;
}

.active-filters-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.active-filters-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.clear-all-filters-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: none;
    border: 1px solid #dc2626;
    border-radius: var(--radius-sm);
    color: #dc2626;
    font-size: var(--font-size-xs);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.clear-all-filters-btn:hover {
    background: #dc2626;
    color: white;
}

.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.active-filter-chip {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(184, 143, 255, 0.1);
    border: 1px solid rgba(184, 143, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    transition: all 0.2s ease;
}

.active-filter-chip svg {
    width: 12px;
    height: 12px;
}

.active-filter-chip button {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    padding: 2px;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.active-filter-chip button:hover {
    background: rgba(184, 143, 255, 0.2);
}

.active-filter-chip.search-filter {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.2);
    color: #16a34a;
}

.active-filter-chip.search-filter button {
    color: #16a34a;
}

.active-filter-chip.date-filter {
    background: rgba(249, 115, 22, 0.1);
    border-color: rgba(249, 115, 22, 0.2);
    color: #ea580c;
}

.active-filter-chip.date-filter button {
    color: #ea580c;
}

.active-filter-chip.status-filter {
    background: rgba(139, 69, 19, 0.1);
    border-color: rgba(139, 69, 19, 0.2);
    color: #a16207;
}

.active-filter-chip.status-filter button {
    color: #a16207;
}

.active-filter-chip.tag-filter {
    background: rgba(168, 85, 247, 0.1);
    border-color: rgba(168, 85, 247, 0.2);
    color: #9333ea;
}

.active-filter-chip.tag-filter button {
    color: #9333ea;
}


/* ===========================
   SETTINGS PAGE STYLES
   =========================== */
.settings-container {
    max-width: 800px;
    margin: var(--spacing-xl) auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

/* Settings Card Layout */
.settings-form {
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.settings-form:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.settings-section {
    padding: var(--spacing-2xl);
    border-bottom: 1px solid var(--color-border-light);
    position: relative;
}

.settings-section:last-child {
    border-bottom: none;
}

/* Enhanced Section Headers */
.settings-section h3 {
    margin: 0 0 var(--spacing-xl) 0;
    color: var(--color-text-primary);
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
}

.settings-section h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    border-radius: 2px;
    flex-shrink: 0;
}

/* Modern Form Controls */
.form-control {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    line-height: 1.5;
    transition: all 0.3s ease;
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(184, 143, 255, 0.1);
    transform: translateY(-1px);
}

.form-control:hover {
    border-color: var(--color-primary);
}

/* Enhanced Form Groups */
.form-group {
    margin-bottom: var(--spacing-xl);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Form Values for Read-only Content */
.form-value {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-bg-muted) 0%, #f1f5f9 100%);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-base);
}

/* Help Text */
.form-text {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* Enhanced Form Actions */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-start;
    align-items: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
}

.form-actions .btn {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-weight: 600;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    min-height: 44px;
    justify-content: center;
}

/* Primary Button Styling (matching app theme) */
.form-actions .btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: white;
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(184, 143, 255, 0.3);
}

.form-actions .btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-hover) 0%, #8B5CF6 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(184, 143, 255, 0.4);
}

.form-actions .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(184, 143, 255, 0.3);
}

/* Secondary Button */
.form-actions .btn-secondary {
    background: var(--color-bg-primary);
    color: var(--color-text-secondary);
    border-color: var(--color-border-light);
}

.form-actions .btn-secondary:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-primary);
    color: var(--color-text-primary);
    transform: translateY(-1px);
}

/* Danger Button for Password Changes */
.form-actions .btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    border-color: #ef4444;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.form-actions .btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.4);
}

/* Enhanced Alerts */
.alert {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    border: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.alert::before {
    content: '';
    width: 20px;
    height: 20px;
    border-radius: 50%;
    flex-shrink: 0;
}

.alert-success {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    color: #15803d;
    border-left: 4px solid #22c55e;
}

.alert-success::before {
    background: #22c55e;
}

.alert-danger {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    color: #dc2626;
    border-left: 4px solid #ef4444;
}

.alert-danger::before {
    background: #ef4444;
}

/* Account Information Grid */
.account-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.account-info-item {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-bg-muted) 0%, #f1f5f9 100%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    text-align: center;
    transition: transform 0.2s ease;
}

.account-info-item:hover {
    transform: translateY(-2px);
}

.account-info-item label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.account-info-item .info-value {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
}

/* Password Strength Indicator */
.password-strength {
    margin-top: var(--spacing-sm);
    height: 4px;
    background: var(--color-border-light);
    border-radius: 2px;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.password-strength.visible {
    opacity: 1;
}

.password-strength-bar {
    height: 100%;
    transition: width 0.3s ease, background-color 0.3s ease;
    border-radius: 2px;
}

.password-strength-weak .password-strength-bar {
    width: 33%;
    background: #ef4444;
}

.password-strength-medium .password-strength-bar {
    width: 66%;
    background: #f59e0b;
}

.password-strength-strong .password-strength-bar {
    width: 100%;
    background: #22c55e;
}

/* Settings Mobile Responsiveness */
@media (max-width: 768px) {
    .settings-container {
        margin: var(--spacing-md) auto;
        padding: 0 var(--spacing-md);
        max-width: 100%;
    }
    
    .settings-section {
        padding: var(--spacing-xl);
    }
    
    .settings-section h3 {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .form-group {
        margin-bottom: var(--spacing-lg);
    }
    
    .form-control {
        padding: var(--spacing-lg);
        font-size: var(--font-size-base);
        min-height: 48px;
    }
    
    .form-actions {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .form-actions .btn {
        width: 100%;
        min-height: 48px;
        justify-content: center;
        font-size: var(--font-size-base);
    }
    
    .account-info-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .account-info-item {
        padding: var(--spacing-md);
        text-align: left;
    }
    
    .account-info-item label {
        text-align: left;
        margin-bottom: var(--spacing-xs);
    }
}

/* =======================================
   COMPOSE PAGE STYLES
   ======================================= */

/* Main compose container */
.compose-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Form styling improvements */
.compose-form {
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border-light);
}

.compose-form .form-group {
    margin-bottom: var(--spacing-xl);
}

.compose-form .form-group:last-of-type {
    margin-bottom: var(--spacing-lg);
}

.compose-form label {
    display: block;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.compose-form input[type="text"],
.compose-form input[type="email"],
.compose-form input[type="datetime-local"],
.compose-form select,
.compose-form textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
}

.compose-form input[type="text"]:focus,
.compose-form input[type="email"]:focus,
.compose-form input[type="datetime-local"]:focus,
.compose-form select:focus,
.compose-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--shadow-primary);
}

/* Editor toggle buttons */
.editor-toggle {
    display: flex;
    gap: 0;
    margin-bottom: var(--spacing-md);
    background: var(--color-bg-muted);
    border-radius: var(--radius-sm);
    padding: 4px;
    border: 1px solid var(--color-border-light);
}

.editor-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.editor-btn:hover {
    background: rgba(184, 143, 255, 0.1);
    color: var(--color-primary);
}

.editor-btn.active {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 2px 4px rgba(184, 143, 255, 0.2);
}

/* Editor containers */
.editor-container {
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    background: var(--color-bg-primary);
}

.editor-container:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(184, 143, 255, 0.1);
}

/* Rich text editor improvements */
.ql-toolbar {
    border-bottom: 1px solid var(--color-border-light) !important;
    border-top: none !important;
    border-left: none !important;
    border-right: none !important;
    background: var(--color-bg-muted) !important;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0 !important;
    padding: var(--spacing-md) !important;
}

.ql-container {
    border: none !important;
    font-size: var(--font-size-base) !important;
}

.ql-editor {
    padding: var(--spacing-lg) !important;
    min-height: 200px;
    font-family: inherit !important;
    line-height: 1.6 !important;
}

.ql-editor.ql-blank::before {
    color: #9ca3af !important;
    font-style: normal !important;
    left: var(--spacing-lg) !important;
    right: var(--spacing-lg) !important;
}

/* Attachment styling */
.file-input {
    border: 2px dashed #cbd5e0 !important;
    border-radius: var(--radius-sm) !important;
    padding: var(--spacing-xl) !important;
    text-align: center !important;
    cursor: pointer !important;
    position: relative !important;
    background: var(--color-bg-muted) !important;
}

.file-input:hover {
    border-color: var(--color-primary) !important;
    background: rgba(184, 143, 255, 0.05) !important;
}

.file-input:focus {
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 3px rgba(184, 143, 255, 0.1) !important;
}

.file-help {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
    text-align: center;
}

/* Existing attachments */
.existing-attachments-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.attachment-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--color-bg-muted);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
}

.attachment-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.attachment-name {
    font-weight: 500;
    color: var(--color-text-primary);
}

.attachment-size {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.remove-attachment {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-danger);
    color: white;
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background 0.2s ease;
    font-size: var(--font-size-sm);
}

.remove-attachment:hover {
    background: #dc2626;
}

/* Schedule controls */
.schedule-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.schedule-input {
    margin-bottom: 0 !important;
}

.quick-schedule {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.quick-schedule .btn {
    flex: 1;
    min-width: 80px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    border: 1px solid #cbd5e0;
    background: var(--color-bg-primary);
    color: var(--color-text-secondary);
}

.quick-schedule .btn:hover {
    border-color: var(--color-primary);
    background: rgba(184, 143, 255, 0.1);
    color: var(--color-primary);
}

.quick-schedule .btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* Form actions */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border-light);
}

.form-actions .btn {
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 500;
    font-size: var(--font-size-base);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-actions .btn-primary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.form-actions .btn-primary:hover {
    background: #9F7AEA;
    border-color: #9F7AEA;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(184, 143, 255, 0.3);
}

.form-actions .btn-schedule {
    background: var(--color-warning);
    color: white;
    border-color: var(--color-warning);
}

.form-actions .btn-schedule:hover {
    background: #d97706;
    border-color: #d97706;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.form-actions .btn-schedule.active {
    background: var(--color-warning);
    border-color: var(--color-warning);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.2);
}

.form-actions .btn-draft {
    background: var(--color-text-muted);
    color: white;
    border-color: var(--color-text-muted);
}

.form-actions .btn-draft:hover {
    background: var(--color-text-secondary);
    border-color: var(--color-text-secondary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(113, 128, 150, 0.3);
}

.form-actions .btn-draft.active {
    background: var(--color-text-muted);
    border-color: var(--color-text-muted);
    box-shadow: 0 2px 8px rgba(113, 128, 150, 0.2);
}

.form-actions .btn-secondary {
    background: var(--color-bg-primary);
    color: var(--color-text-secondary);
    border-color: #cbd5e0;
}

.form-actions .btn-secondary:hover {
    background: var(--color-bg-muted);
    border-color: #9ca3af;
    color: var(--color-text-primary);
}

/* Original email styling for replies */
.original-email {
    background: var(--color-bg-muted);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.original-email h3 {
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: var(--spacing-sm);
}

.original-header {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.original-body {
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-light);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* Validation feedback animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

.validation-error,
.success-feedback {
    border-radius: var(--radius-sm);
    font-weight: 500;
    border: 1px solid;
}

.validation-error {
    background-color: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

.success-feedback {
    background-color: #f0fdf4;
    border-color: #bbf7d0;
    color: #166534;
}

/* Progressive validation styling - only show after user interaction */
.compose-form input[data-touched="true"]:invalid,
.compose-form select[data-touched="true"]:invalid,
.compose-form textarea[data-touched="true"]:invalid {
    border-color: #ef4444;
}

.compose-form input[data-touched="true"]:valid,
.compose-form select[data-touched="true"]:valid,
.compose-form textarea[data-touched="true"]:valid {
    border-color: #22c55e;
}

.compose-form input[data-touched="true"]:invalid:focus,
.compose-form select[data-touched="true"]:invalid:focus,
.compose-form textarea[data-touched="true"]:invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.compose-form input[data-touched="true"]:valid:focus,
.compose-form select[data-touched="true"]:valid:focus,
.compose-form textarea[data-touched="true"]:valid:focus {
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

/* Show all validation states when form has been submitted */
.compose-form.submitted input:invalid,
.compose-form.submitted select:invalid,
.compose-form.submitted textarea:invalid {
    border-color: #ef4444;
}

.compose-form.submitted input:valid,
.compose-form.submitted select:valid,
.compose-form.submitted textarea:valid {
    border-color: #22c55e;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .compose-container {
        padding: var(--spacing-sm);
        margin-top: 0;
    }
    
    .compose-form {
        padding: var(--spacing-lg);
        margin: 0;
        border-radius: var(--radius-md);
    }
    
    .compose-form .form-group {
        margin-bottom: var(--spacing-lg);
    }
    
    .compose-form label {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-xs);
    }
    
    .compose-form input,
    .compose-form textarea,
    .compose-form select {
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
        border-radius: var(--radius-sm);
    }
    
    /* Touch-friendly editor toggle */
    .editor-toggle {
        margin-bottom: var(--spacing-lg);
    }
    
    .editor-btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
        min-height: 44px;
    }
    
    /* Mobile-friendly rich text editor */
    .ql-toolbar {
        padding: var(--spacing-sm) !important;
    }
    
    .ql-editor {
        padding: var(--spacing-md) !important;
        min-height: 150px;
        font-size: var(--font-size-base) !important;
    }
    
    /* Mobile form actions */
    .form-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
        margin-top: var(--spacing-xl);
    }
    
    .form-actions .btn {
        width: 100%;
        justify-content: center;
        min-height: 48px;
        font-size: var(--font-size-base);
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    /* Mobile schedule controls */
    .quick-schedule {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .quick-schedule .btn {
        flex: none;
        width: 100%;
        min-height: 44px;
    }
    
    /* Mobile file input */
    .file-input {
        padding: var(--spacing-xl) var(--spacing-md) !important;
        font-size: var(--font-size-sm) !important;
    }
    
    /* Mobile attachment items */
    .attachment-item {
        padding: var(--spacing-md);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .attachment-info {
        width: 100%;
    }
    
    .remove-attachment {
        align-self: flex-end;
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    /* Mobile original email */
    .original-email {
        margin-bottom: var(--spacing-lg);
        padding: var(--spacing-md);
    }
    
    .original-email h3 {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-sm);
    }
    
    .original-header {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-sm);
    }
    
    .original-body {
        font-size: var(--font-size-sm);
        padding: var(--spacing-sm);
        max-height: 200px;
    }
}

/* Improved touch targets for mobile */
@media (max-width: 768px) {
    .nav-link {
        padding: 1rem 1.5rem;
        min-height: 48px;
        display: flex;
        align-items: center;
    }
    
    .nav-icon {
        font-size: 1.2rem;
        min-width: 24px;
    }
    
    /* Touch feedback for navigation links */
    .nav-link:active {
        background: rgba(184, 143, 255, 0.2);
        transform: scale(0.98);
    }
    
    /* Touch feedback for buttons */
    .sidebar-toggle:active,
    .compose-btn:active,
    .user-btn:active {
        transform: scale(0.95);
    }
    
    /* Mobile Email Cards - Replace table layout */
    .table-container {
        background: none !important;
        border: none !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        margin: 0 !important;
        padding: 0 !important;
        overflow: visible !important;
    }
    
    .table-container table {
        display: block;
        width: 100%;
    }
    
    .table-container thead {
        display: none; /* Hide table headers on mobile */
    }
    
    /* Mobile Select All Header - Subtle */
    .mobile-select-all-header {
        margin-bottom: var(--spacing-md);
        padding: var(--spacing-sm) var(--spacing-md);
        background: transparent;
        border: none;
        border-radius: 0;
        box-shadow: none;
    }
    
    .mobile-select-all-wrapper {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        justify-content: flex-start;
    }
    
    .mobile-select-all-wrapper input[type="checkbox"] {
        width: 18px;
        height: 18px;
        margin: 0;
        cursor: pointer;
        border-radius: var(--radius-sm);
        border: 2px solid var(--color-border-medium);
        transition: all 0.2s ease;
        opacity: 0.7;
    }
    
    .mobile-select-all-wrapper input[type="checkbox"]:checked {
        background: var(--color-primary);
        border-color: var(--color-primary);
        opacity: 1;
    }
    
    .mobile-select-all-wrapper input[type="checkbox"]:indeterminate {
        background: var(--color-primary);
        border-color: var(--color-primary);
        opacity: 1;
    }
    
    .mobile-select-all-label {
        font-weight: 400;
        color: var(--color-text-muted);
        cursor: pointer;
        user-select: none;
        margin: 0;
        font-size: var(--font-size-sm);
    }
    
    .table-container tbody {
        display: block;
        width: 100%;
    }
    
    .table-container tr {
        display: block;
        margin-bottom: var(--spacing-md);
        background: none;
        border: none;
        box-shadow: none;
        padding: 0;
        transition: none;
        min-height: auto;
    }
    
    .table-container tr:hover {
        box-shadow: none;
        transform: none;
        background: none;
    }
    
    .table-container tr:active {
        transform: none;
        box-shadow: none;
        background: none;
    }
    
    .table-container td {
        display: block;
        padding: 0;
        border: none;
        vertical-align: baseline;
    }
    
    /* Mobile Email Card Wrapper Layout */
    .mobile-card-wrapper {
        display: grid;
        grid-template-columns: 48px 1fr;
        gap: var(--spacing-sm);
        align-items: start;
    }
    
    /* Mobile Card Link - makes entire card clickable and IS the visual card */
    .mobile-card-link {
        display: block;
        text-decoration: none;
        color: inherit;
        background: var(--color-bg-primary);
        border: 1px solid var(--color-border-light);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        transition: all 0.2s ease;
        position: relative;
        width: 100%;
        box-sizing: border-box;
    }
    
    .mobile-card-link:hover {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        transform: translateY(-1px);
        background: var(--color-bg-primary);
    }
    
    .mobile-card-link:active {
        transform: translateY(0);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        background: rgba(184, 143, 255, 0.05);
    }
    
    .mobile-card-link:focus {
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
    }
    
    .mobile-card-link:focus:not(:focus-visible) {
        outline: none;
    }
    
    /* Mobile Email Card Layout */
    .mobile-email-card {
        display: grid;
        grid-template-columns: 1fr 60px;
        grid-template-rows: auto auto auto;
        gap: var(--spacing-sm);
        align-items: start;
    }
    
    /* Checkbox area */
    .mobile-card-checkbox {
        display: flex;
        align-items: flex-start;
        justify-content: center;
        padding-top: 4px;
    }
    
    .mobile-card-checkbox input[type="checkbox"] {
        width: 20px;
        height: 20px;
        margin: 0;
        cursor: pointer;
        border-radius: var(--radius-sm);
        border: 2px solid var(--color-border-medium);
    }
    
    .mobile-card-checkbox input[type="checkbox"]:checked {
        background: var(--color-primary);
        border-color: var(--color-primary);
    }
    
    /* Main content area */
    .mobile-card-content {
        grid-column: 1;
        min-width: 0; /* Allow text truncation */
    }
    
    /* Status and date area */
    .mobile-card-meta {
        grid-column: 2;
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        gap: var(--spacing-xs);
    }
    
    /* Primary content (sender/subject) */
    .mobile-card-primary {
        grid-row: 1;
        margin-bottom: var(--spacing-xs);
    }
    
    .mobile-card-sender {
        font-weight: 600;
        font-size: var(--font-size-base);
        margin-bottom: 2px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        line-height: 1.3;
    }
    
    .mobile-card-subject {
        font-weight: 500;
        font-size: var(--font-size-sm);
        line-height: 1.4;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    /* Secondary content (tags) */
    .mobile-card-tags {
        grid-row: 2;
        margin-top: var(--spacing-xs);
    }
    
    .mobile-card-tags .thread-tags {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .mobile-card-tags .tag-badge {
        font-size: 11px;
        padding: 2px 6px;
        border-radius: 10px;
        font-weight: 500;
    }
    
    /* Date and status */
    .mobile-card-date {
        font-size: var(--font-size-xs);
        color: var(--color-text-muted);
        font-weight: 500;
        white-space: nowrap;
    }
    
    .mobile-card-status {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        margin-top: 2px;
    }
    
    .mobile-card-status.unread {
        background: var(--color-primary);
        box-shadow: 0 0 0 2px rgba(184, 143, 255, 0.2);
    }
    
    .mobile-card-status.read {
        background: var(--color-border-medium);
    }
    
    /* Unread card styling */
    .table-container tr.unread .mobile-card-link {
        border-left: 4px solid var(--color-primary);
        background: rgba(184, 143, 255, 0.02);
    }
    
    .table-container tr.unread .mobile-card-link:hover {
        background: rgba(184, 143, 255, 0.05);
    }
    
    /* Mobile card text colors */
    .mobile-card-sender {
        color: var(--color-primary);
        font-weight: 600;
    }
    
    .mobile-card-subject {
        color: var(--color-text-primary);
    }
    
    .mobile-card-date {
        color: var(--color-text-muted);
    }
    
    
    /* Long press selection mode */
    .table-container tr.selecting .mobile-card-link {
        background: rgba(184, 143, 255, 0.1) !important;
        border-left-color: var(--color-primary) !important;
        box-shadow: 0 0 0 2px rgba(184, 143, 255, 0.2) !important;
    }
    
    /* Enhanced checkbox styling for mobile */
    .mobile-card-checkbox input[type="checkbox"] {
        transition: all 0.2s ease;
        position: relative;
    }
    
    .mobile-card-checkbox input[type="checkbox"]:checked {
        background: var(--color-primary);
        border-color: var(--color-primary);
        transform: scale(1.1);
    }
    
    .mobile-card-checkbox input[type="checkbox"]:checked::after {
        content: '✓';
        position: absolute;
        color: white;
        font-size: 12px;
        font-weight: bold;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
    
    /* Animation for card selection */
    .table-container tr.selected .mobile-card-link {
        animation: pulseSelection 0.3s ease;
    }
    
    @keyframes pulseSelection {
        0% { transform: scale(1); }
        50% { transform: scale(1.02); }
        100% { transform: scale(1); }
    }
    
    
    /* Improved main content padding */
    .main-content {
        padding: var(--spacing-md);
    }
    
    /* Performance optimizations for mobile */
    .table-container tr {
        will-change: transform;
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }
    
    /* Smooth scrolling for mobile */
    .table-container tbody {
        -webkit-overflow-scrolling: touch;
    }
    
    /* Better button accessibility */
    .bulk-actions .btn {
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        -khtml-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }
    
    /* Accessibility improvements */
    .mobile-card-checkbox input[type="checkbox"]:focus {
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
    }
    
    /* Focus states are now handled by the anchor tag */
    
    /* Touch-friendly batch actions */
    .bulk-actions {
        margin: var(--spacing-md) 0;
        padding: var(--spacing-lg);
        border-radius: var(--radius-md);
        flex-direction: column;
        gap: var(--spacing-md);
        position: static;
    }
    
    .bulk-actions .select-actions {
        margin-bottom: var(--spacing-md);
    }
    
    .bulk-actions .action-buttons {
        width: 100%;
        justify-content: center;
    }
    
    .bulk-actions .btn {
        flex: 1;
        min-height: 44px;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    /* Touch-friendly filter toolbar */
    .filter-toolbar {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    
    .filter-primary-row {
        flex-direction: column;
        gap: var(--spacing-lg);
        align-items: stretch;
    }
    
    .search-section {
        min-width: auto;
        order: 1;
    }
    
    .filter-controls {
        order: 2;
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .filter-presets {
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .preset-btn {
        flex: 1;
        min-width: 0;
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .advanced-filters-toggle {
        width: 100%;
    }
    
    .advanced-filter-btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    /* Mobile active filters */
    .active-filters-section {
        margin-top: var(--spacing-md);
        padding: var(--spacing-sm) 0;
    }
    
    .active-filters-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }
    
    .clear-all-filters-btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-sm);
    }
    
    /* Mobile filter panel adjustments */
    .filter-panel-header {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .filter-panel-content {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .date-range-group {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .tag-filter-grid {
        grid-template-columns: 1fr;
        max-height: 200px;
    }
    
    .filter-panel-footer {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .search-input {
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
        min-height: 44px;
    }
    
    .search-clear {
        padding: var(--spacing-md);
        min-width: 44px;
        min-height: 44px;
    }
    
    .quick-filters {
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .quick-filter-btn {
        padding: var(--spacing-md) var(--spacing-lg);
        min-height: 44px;
        font-size: var(--font-size-sm);
    }
    
    .filter-toggle-btn {
        padding: var(--spacing-md) var(--spacing-lg);
        min-height: 44px;
        font-size: var(--font-size-sm);
    }
    
    /* Touch-friendly empty state */
    .empty-state {
        padding: var(--spacing-2xl) var(--spacing-lg);
        margin: var(--spacing-lg) 0;
    }
    
    .empty-state h3 {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-lg);
    }
    
    .empty-state p {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-xl);
    }
    
    .empty-state .btn {
        min-height: 48px;
        padding: var(--spacing-md) var(--spacing-2xl);
        font-size: var(--font-size-base);
    }

    .header-left .app-name {
        display: none;
    }
    
    /* Mobile sidebar: hidden by default */
    .sidebar {
        width: 280px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    /* Mobile sidebar open state */
    .sidebar-mobile-open .sidebar {
        transform: translateX(0);
        box-shadow: 2px 0 20px rgba(0, 0, 0, 0.3);
        z-index: 1100;
    }
    
    /* Mobile backdrop overlay - positioned behind sidebar */
    .sidebar-mobile-open .main-content::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 950; /* Below sidebar (1100) but above main content */
        opacity: 0;
        animation: fadeIn 0.3s ease forwards;
    }
    
    /* Touch-friendly hamburger button */
    .sidebar-toggle {
        min-width: 44px;
        min-height: 44px;
        padding: 0.75rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Touch-friendly compose button */
    .compose-btn span {
        display: none;
    }
    
    .compose-btn {
        padding: 0.75rem;
        min-width: 44px;
        min-height: 44px;
        justify-content: center;
    }
    
    /* Touch-friendly user button */
    .user-btn {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }
}

/* Batch Tag Modal Styles */
.batch-tag-modal .modal-content {
    max-width: 600px;
}

.selected-threads-info {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.selected-threads-info p {
    margin: 0;
    color: var(--color-text-primary);
}

.tag-operation-selector {
    margin-bottom: var(--spacing-xl);
}

.tag-operation-selector .form-group {
    margin-bottom: var(--spacing-sm);
}

.tag-operation-selector label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    color: var(--color-text-primary);
}

.tag-operation-selector input[type="radio"] {
    margin: 0;
}

.tag-option-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    margin-bottom: var(--spacing-sm);
}

.tag-option-label input[type="checkbox"] {
    margin: 0;
}

.tag-option-label:hover .tag-option {
    opacity: 0.8;
}

.new-tag-section {
    border-top: 1px solid var(--color-border-medium);
    padding-top: var(--spacing-lg);
}

.new-tag-section .form-group {
    margin-bottom: var(--spacing-md);
}

.new-tag-section label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
    font-weight: 500;
}

.new-tag-section input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.new-tag-section input[type="color"] {
    width: 60px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.divider {
    text-align: center;
    margin: var(--spacing-xl) 0;
    color: var(--color-text-muted);
    position: relative;
    background: var(--color-bg-primary);
    padding: 0 var(--spacing-md);
    z-index: 2;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-border-medium);
    z-index: 1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--color-border-medium);
}

/* Mobile optimizations for batch tag modal */
@media (max-width: 768px) {
    .batch-tag-modal .modal-content {
        width: 95%;
        max-width: 95%;
        margin: 5% auto;
    }
    
    .tag-options {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .tag-option-label {
        padding: var(--spacing-md);
        background: var(--color-bg-secondary);
        border: 1px solid var(--color-border-medium);
        border-radius: var(--radius-sm);
    }
    
    .modal-footer {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .modal-footer .btn {
        width: 100%;
        min-height: 48px;
    }
}

/* =======================================
   CONTACT AUTOCOMPLETE STYLES
   ======================================= */

.autocomplete-container {
    position: relative;
    width: 100%;
}

.autocomplete-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    border-radius: 0.375rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 200px;
    overflow-y: auto;
    display: none;
}

.autocomplete-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid #f1f5f9;
    transition: background-color 0.2s;
}

.autocomplete-item:hover,
.autocomplete-item.selected {
    background: var(--color-bg-muted);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.contact-name {
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.contact-email {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Subdued email address styling */
.email-address-subdued {
    font-size: 0.85em;
    color: #666;
    font-weight: normal;
    margin-left: 0.5em;
}

.autocomplete-item[data-email=""] .contact-name {
    color: var(--color-text-muted);
    font-weight: normal;
}

/* Focus state for the input */
.autocomplete-container input:focus {
    outline: none;
    border-color: #9f7aea;
    box-shadow: 0 0 0 3px rgba(159, 122, 234, 0.1);
}

/* Search snippet styling */
.search-snippet {
    margin-top: 0.25rem;
    padding: 0.25rem 0;
}

.search-context {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-style: italic;
    display: block;
}

.search-context em {
    font-weight: 600;
    color: #374151;
    font-style: normal;
    margin-right: 0.25rem;
}

/* Responsive search snippets */
@media (max-width: 768px) {
    .search-snippet {
        margin-top: 0.125rem;
        padding: 0.125rem 0;
    }
    
    .search-context {
        font-size: 0.8rem;
        line-height: 1.125rem;
    }
}