/* MeetMe Dark Mode CSS - Blue-tinted dark theme (Tailwind Slate palette) */

/* Core Colors */
:root {
    /* ========== BOOTSTRAP OVERRIDES ========== */
    --bs-body-bg: #0f172a;
    --bs-body-color: #e2e8f0;
    --bs-border-color: #2d3a4e;
    --bs-border-color-translucent: rgba(255, 255, 255, 0.08);
    --bs-card-border-color: #2d3a4e;
    --bs-card-bg: #1e293b;
    --bs-secondary-bg: #1e293b;
    --bs-tertiary-bg: #283548;

    /* ========== BACKGROUNDS & SURFACES ========== */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #283548;
    --bg-input: #1e293b;
    --bg-hover: #283548;
    --bg-active: #334155;
    --bg-disabled: #0c1322;

    /* ========== TYPOGRAPHY COLORS ========== */
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-disabled: #475569;
    --text-link: #60a5fa;
    --text-link-hover: #93c5fd;

    /* ========== THEME COLORS ========== */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --accent: #7c3aed;
    --secondary: #64748b;
    --secondary-hover: #475569;
    --success: #10b981;
    --success-hover: #059669;
    --success-light: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --info: #06b6d4;
    --purple: #6f42c1;
    --purple-gradient-start: #667eea;
    --purple-gradient-end: #764ba2;

    /* ========== BORDERS ========== */
    --border-color: #2d3a4e;
    --border-color-light: #2d3a4e;
    --border-color-dark: #283548;
    --shadow-color: rgba(0, 0, 0, 0.5);

    /* Neutral grays */
    --gray-dark: #0a0f1d;
    --gray-medium: #0c1322;
    --gray-light: #475569;
    --gray-lighter: #0c1322;

    /* ========== FOCUS STATES ========== */
    --focus-ring-color: rgba(37, 99, 235, 0.5);
}

/* Global Styles */
body {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Auth Pages (Login/Register) */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.auth-card {
    background-color: var(--bg-secondary);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 8px 32px var(--shadow-color);
    width: 100%;
    max-width: 450px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo i {
    font-size: 4rem;
    color: var(--primary);
}

.auth-logo h1, .auth-logo h2 {
    color: var(--text-primary);
}

.auth-logo p {
    color: var(--text-secondary);
}

/* Forms */
.form-label {
    color: var(--text-primary) !important;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-control {
    background-color: var(--bg-input) !important;
    border: 1px solid var(--border-color-light) !important;
    color: var(--text-primary) !important;
}

.form-control:focus {
    background-color: var(--bg-input) !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25) !important;
    color: var(--text-primary) !important;
}

.form-control::placeholder {
    color: var(--text-muted) !important;
}

.form-select {
    background-color: var(--bg-input) !important;
    border: 1px solid var(--border-color-light) !important;
    color: var(--text-primary) !important;
}

.form-select:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25) !important;
}

.form-check-label {
    color: var(--text-primary);
}

.form-check-input {
    background-color: var(--bg-input);
    border-color: var(--border-color-light);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-text {
    color: var(--text-secondary) !important;
}

/* Buttons - Filled Only */
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
}

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

.btn-secondary {
    background-color: var(--secondary);
    border-color: var(--secondary);
}

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

.btn-success {
    background-color: var(--success);
    border-color: var(--success);
}

.btn-danger {
    background-color: var(--danger);
    border-color: var(--danger);
}

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

.btn-info {
    background-color: var(--info);
    border-color: var(--info);
    color: white;
}

.btn-outline-light {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Override outline buttons to filled for dark mode */
.btn-outline-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
}

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

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

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

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

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

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

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

/* Cards */
.card {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 10px;
    box-shadow: 0 4px 16px var(--shadow-color);
}

.card-header {
    background-color: var(--gray-medium) !important;
    border-bottom: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    font-weight: 600;
}

.card-body {
    color: var(--text-primary);
}

.card-title {
    color: var(--text-primary) !important;
}

.card-text {
    color: var(--text-secondary);
}

.card-footer {
    background-color: var(--gray-medium) !important;
    border-top: 1px solid var(--border-color) !important;
    color: var(--text-muted);
}

/* Metric Cards */
.metric-card {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 8px var(--shadow-color);
    border-left: 5px solid var(--primary);
}

.metric-card.success { border-left-color: var(--success); }
.metric-card.warning { border-left-color: var(--warning); }
.metric-card.danger { border-left-color: var(--danger); }
.metric-card.info { border-left-color: var(--info); }

.metric-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-primary);
}

.metric-label {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Tables */
.table {
    color: var(--text-primary) !important;
    --bs-table-bg: var(--bg-secondary);
    --bs-table-striped-bg: var(--bg-tertiary);
    --bs-table-hover-bg: var(--bg-hover);
    --bs-table-border-color: var(--border-color);
}

.table-dark {
    --bs-table-bg: var(--bg-secondary);
    --bs-table-striped-bg: var(--bg-tertiary);
    --bs-table-hover-bg: var(--bg-hover);
    --bs-table-border-color: var(--border-color);
}

.table thead th {
    background-color: var(--gray-medium) !important;
    border-bottom: 2px solid var(--border-color-light) !important;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    font-weight: 600;
    color: var(--text-secondary) !important;
    padding: 0.75rem 1rem;
}

.table tbody tr {
    background-color: var(--bg-secondary);
}

.table tbody tr:hover {
    background-color: var(--bg-hover) !important;
}

.table td {
    border-color: var(--border-color) !important;
    vertical-align: middle;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
}

.table-striped > tbody > tr:nth-of-type(odd) {
    background-color: var(--bg-tertiary);
}

/* Navbar */
.navbar {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-color);
}

.navbar-dark {
    background-color: var(--bg-secondary) !important;
}

.navbar-brand {
    color: var(--primary) !important;
    font-weight: bold;
}

.navbar-brand i {
    color: var(--primary);
}

.nav-link {
    color: var(--text-secondary) !important;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary) !important;
}

.navbar-nav .dropdown-menu {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

.dropdown-item {
    color: var(--text-primary);
}

.dropdown-item:hover, .dropdown-item:focus {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.dropdown-divider {
    border-color: var(--border-color);
}

/* Sidebar */
.sidebar {
    background-color: var(--bg-secondary);
    min-height: calc(100vh - 56px);
    padding-top: 1rem;
    border-right: 1px solid var(--border-color);
}

.sidebar .nav-link {
    color: var(--text-secondary) !important;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 0.25rem;
}

.sidebar .nav-link:hover {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--text-primary) !important;
}

.sidebar .nav-link.active {
    background-color: var(--primary);
    color: white !important;
}

.sidebar .nav-link i {
    width: 20px;
    margin-right: 0.5rem;
}

/* Alerts */
.alert {
    border-radius: 8px;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.2);
    border-color: var(--success);
    color: var(--success-light);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.2);
    border-color: var(--danger);
    color: var(--danger);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.2);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background-color: rgba(6, 182, 212, 0.2);
    border-color: var(--info);
    color: var(--info);
}

/* Modals */
.modal-content {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    color: var(--text-primary);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

.btn-close {
    filter: invert(1);
}

/* Badges */
.badge {
    padding: 0.5em 0.8em;
    font-weight: 600;
}

.badge-scheduled { background-color: var(--info); color: white; }
.badge-active { background-color: var(--success); }
.badge-ended { background-color: var(--secondary); }
.badge-cancelled { background-color: var(--danger); }
.badge-pending { background-color: var(--warning); color: white; }

/* List Groups */
.list-group {
    --bs-list-group-bg: var(--bg-secondary);
    --bs-list-group-border-color: var(--border-color);
    --bs-list-group-color: var(--text-primary);
    --bs-list-group-action-hover-bg: var(--bg-hover);
    --bs-list-group-action-hover-color: var(--text-primary);
    --bs-list-group-action-active-bg: var(--border-color);
    --bs-list-group-action-active-color: var(--text-primary);
}

.list-group-item {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.list-group-item-action:hover,
.list-group-item-action:focus {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* Video Container */
.video-container {
    background-color: var(--gray-dark);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.video-grid {
    display: grid;
    gap: 10px;
    padding: 10px;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.video-tile {
    background-color: var(--gray-medium);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-tile video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-tile .participant-name {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.7);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.video-tile .avatar-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

/* Meeting Controls */
.meeting-controls {
    background-color: var(--bg-secondary);
    border-radius: 50px;
    padding: 10px 20px;
    display: flex;
    gap: 10px;
    justify-content: center;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

.control-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

.control-btn.inactive {
    background-color: var(--border-color-light);
    color: var(--text-primary);
}

.control-btn.danger {
    background-color: var(--danger);
    color: white;
}

/* Chat Panel */
.chat-panel {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.chat-message {
    margin-bottom: 1rem;
}

.chat-message .sender {
    font-weight: bold;
    color: var(--primary);
    font-size: 0.85rem;
}

.chat-message .content {
    color: var(--text-primary);
}

.chat-message .time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.chat-input {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Participants Panel */
.participants-panel {
    background-color: var(--bg-secondary);
    border-radius: 10px;
}

.participant-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

.participant-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 1rem;
}

.participant-status {
    margin-left: auto;
}

/* Meeting Code */
.meeting-code {
    font-family: monospace;
    font-size: 1.5rem;
    letter-spacing: 2px;
    background-color: var(--bg-input);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    color: var(--text-primary);
}

/* Utility Classes */
.text-muted {
    color: var(--text-muted) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

.text-primary-custom {
    color: var(--text-primary) !important;
}

.lead {
    color: var(--text-secondary);
}

small, .small {
    color: var(--text-secondary);
}

/* Links */
a {
    color: var(--primary);
}

a:hover {
    color: var(--primary-hover);
}

/* Status Indicators */
.status-online { color: var(--success); }
.status-offline { color: var(--text-muted); }
.status-warning { color: var(--warning); }

/* Loading */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner-border {
    border-color: var(--primary);
    border-right-color: transparent;
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color-light);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-light);
}

/* Table Responsive Fix */
.table-responsive {
    overflow: visible !important;
}

.table-responsive .dropdown-menu {
    position: absolute;
    z-index: 1050;
}

/* Page Header */
.page-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1, .page-header h2 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.page-header p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* Main Content Area */
.main-content {
    padding: 1.5rem;
}

/* Responsive - Tablet landscape (1024px and below) */
@media (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .main-content {
        padding: 1rem;
    }

    /* Tables - make scrollable on tablets */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Cards in dashboard */
    .metric-card {
        padding: 1rem;
    }

    .metric-value {
        font-size: 2.2rem;
    }

    /* Form controls - touch friendly */
    .form-control,
    .form-select {
        min-height: 44px;
        font-size: 1rem;
    }

    .btn {
        min-height: 44px;
        padding: 0.5rem 1rem;
    }
}

/* Responsive - Tablet portrait (992px and below) */
@media (max-width: 992px) {
    /* Sidebar adjustments */
    .sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        height: 100vh;
        z-index: 1050;
        transition: left 0.3s ease;
    }

    .sidebar.show {
        left: 0;
    }

    /* Calendar adjustments */
    .calendar-grid {
        font-size: 0.85rem;
    }

    .calendar-day {
        min-height: 80px;
        padding: 0.25rem;
    }

    /* Meeting list - hide less important columns */
    .table th:nth-child(4),
    .table td:nth-child(4) {
        display: none;
    }

    /* Filter row stacking */
    .filter-row .col-md-2,
    .filter-row .col-md-3,
    .filter-row .col-md-4 {
        flex: 0 0 50%;
        max-width: 50%;
        margin-bottom: 0.5rem;
    }
}

/* Responsive - Tablet portrait small (768px and below) */
@media (max-width: 768px) {
    .auth-card {
        margin: 20px;
        padding: 30px 20px;
    }

    .meeting-controls {
        padding: 8px 15px;
        gap: 8px;
    }

    .control-btn {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }

    .video-grid {
        grid-template-columns: 1fr;
    }

    .metric-value {
        font-size: 2rem;
    }

    .sidebar {
        min-height: auto;
    }

    /* Calendar week view - simplify */
    .calendar-week-view {
        display: none;
    }

    .calendar-list-view {
        display: block;
    }

    /* Form layouts - stack columns */
    .row > [class*="col-md-"] {
        flex: 0 0 100%;
        max-width: 100%;
    }

    /* Filter row - full width */
    .filter-row .col-md-2,
    .filter-row .col-md-3,
    .filter-row .col-md-4 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    /* Dropdown touch targets */
    .dropdown-item {
        padding: 0.75rem 1rem;
        min-height: 44px;
    }

    /* Navigation */
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
    }

    /* Cards - full width */
    .card {
        margin-bottom: 1rem;
    }

    /* Hide table columns on small tablets */
    .table th:nth-child(5),
    .table td:nth-child(5),
    .table th:nth-child(6),
    .table td:nth-child(6) {
        display: none;
    }
}

/* Responsive - Mobile (576px and below) */
@media (max-width: 576px) {
    .main-content {
        padding: 0.5rem;
    }

    .card-body {
        padding: 1rem;
    }

    .metric-card {
        padding: 0.75rem;
    }

    .metric-value {
        font-size: 1.75rem;
    }

    .btn-group {
        flex-direction: column;
        width: 100%;
    }

    .btn-group .btn {
        width: 100%;
        margin-bottom: 0.25rem;
    }

    /* Table - show only essential columns */
    .table th:nth-child(3),
    .table td:nth-child(3),
    .table th:nth-child(4),
    .table td:nth-child(4),
    .table th:nth-child(5),
    .table td:nth-child(5) {
        display: none;
    }
}