/* PyTalk - Modern Video Conferencing App */
/* ========================================= */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a24;
    --bg-hover: #252532;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --accent-glow: rgba(99, 102, 241, 0.4);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border-color: rgba(255, 255, 255, 0.1);
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--accent-glow);
    --navbar-bg: rgba(18, 18, 26, 0.8);
    --glass-bg: rgba(26, 26, 36, 0.7);
    --toggler-filter: invert(1);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-hover: #e2e8f0;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --accent-glow: rgba(99, 102, 241, 0.3);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: rgba(0, 0, 0, 0.1);
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 30px var(--accent-glow);
    --navbar-bg: rgba(255, 255, 255, 0.9);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --toggler-filter: invert(0);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-secondary);
}

/* Bootstrap Text Utility Overrides for Theme Support */
.text-muted {
    color: var(--text-muted) !important;
}

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

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

.text-white {
    color: #ffffff !important;
}

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

/* Ensure paragraphs and other text elements use theme colors */
p {
    color: var(--text-primary);
}

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

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

strong, b, .fw-bold {
    color: var(--text-primary);
}

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

/* Card text elements */
.card-header h3,
.card-header h4,
.card-header h5,
.card-header h6 {
    color: var(--text-primary);
}

.card-body h3,
.card-body h4,
.card-body h5,
.card-body h6 {
    color: var(--text-primary);
}

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

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

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

/* Row text elements */
.row strong {
    color: var(--text-primary);
}

.row .col-md-4,
.row .col-md-6,
.row .col-md-8 {
    color: var(--text-primary);
}

/* Navbar */
.navbar {
    background: var(--navbar-bg) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    z-index: 1030;
    position: relative;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-brand:hover {
    opacity: 0.9;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--text-primary) !important;
    background: var(--bg-hover);
}

.navbar-toggler {
    border-color: var(--border-color);
}

.navbar-toggler-icon {
    filter: var(--toggler-filter);
}

/* Dropdowns */
.dropdown-menu {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    z-index: 1050 !important;
}

.dropdown-menu-dark {
    background: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}

.dropdown-menu-dark .dropdown-item {
    color: var(--text-primary) !important;
}

.dropdown-item {
    color: var(--text-primary) !important;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    background: transparent;
}

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

.dropdown-item:active {
    background: var(--accent-primary) !important;
    color: white !important;
}

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

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

.dropdown-divider {
    border-color: var(--border-color);
    margin: 0.5rem 0;
    opacity: 1;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: visible;
    position: relative;
    z-index: 1;
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
}

.card-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.card-body {
    padding: 1.5rem;
}

/* Buttons */
.btn {
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--accent-glow);
    background: var(--accent-gradient);
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
}

.btn-outline-primary:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

.btn-outline-secondary {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
}

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

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

.btn-success:hover {
    background: #16a34a;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Forms */
.form-control {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 0.875rem 1rem;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
    color: var(--text-primary);
    outline: none;
}

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

.form-control:disabled,
.form-control[disabled],
.form-control[readonly] {
    background: var(--bg-hover);
    border-color: var(--border-color);
    color: var(--text-secondary);
    opacity: 1;
    cursor: not-allowed;
}

.form-select {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 0.875rem 1rem;
    font-size: 1rem;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23a1a1aa' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

[data-theme="light"] .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

.form-select:focus {
    background-color: var(--bg-secondary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
    color: var(--text-primary);
}

.form-label {
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* Tables */
.table {
    color: var(--text-primary);
    border-color: var(--border-color);
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-primary);
    --bs-table-hover-bg: var(--bg-hover);
    --bs-table-hover-color: var(--text-primary);
    --bs-table-striped-bg: var(--bg-card);
    --bs-table-striped-color: var(--text-primary);
}

.table > :not(caption) > * > * {
    background: transparent;
    border-color: var(--border-color);
    padding: 1rem;
    color: var(--text-primary);
}

.table tbody tr {
    color: var(--text-primary);
}

.table tbody td {
    color: var(--text-primary);
}

.table tbody td strong {
    color: var(--text-primary);
}

.table-dark, .table-striped > tbody > tr:nth-of-type(odd) > * {
    background: var(--bg-card);
    color: var(--text-primary);
}

.table-hover > tbody > tr:hover > * {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
    --bs-table-hover-bg: var(--bg-hover);
    --bs-table-hover-color: var(--text-primary);
}

.table-hover > tbody > tr:hover td,
.table-hover > tbody > tr:hover td strong,
.table-hover > tbody > tr:hover td div {
    color: var(--text-primary) !important;
}

thead.table-dark th {
    background: var(--bg-secondary) !important;
    color: var(--text-secondary) !important;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

/* Table thead without .table-dark */
.table thead th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

/* Table code elements */
.table code {
    background: var(--bg-secondary);
    color: var(--accent-secondary);
}

/* List Groups */
.list-group {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.list-group-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 1rem 1.25rem;
    transition: background 0.2s ease;
}

.list-group-item:first-child {
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
}

.list-group-item:last-child {
    border-bottom-left-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
}

.list-group-item + .list-group-item {
    border-top: none;
}

.list-group-item:hover {
    background: var(--bg-hover);
}

.list-group-item h5,
.list-group-item h6 {
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.list-group-item:hover h5,
.list-group-item:hover h6,
.list-group-item:hover strong {
    color: var(--text-primary);
}

.list-group-item small {
    color: var(--text-muted);
}

.list-group-item:hover small {
    color: var(--text-secondary);
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    border-left: 4px solid var(--success);
}

.alert-danger, .alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-left: 4px solid var(--danger);
}

.alert-info {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    border-left: 4px solid var(--accent-primary);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border-left: 4px solid var(--warning);
}

/* Bootstrap close button for dark theme */
.btn-close {
    filter: var(--toggler-filter);
    opacity: 0.7;
}

.btn-close:hover {
    opacity: 1;
}

/* Toast Notifications */
.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.toast-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.toast-header strong {
    color: var(--text-primary);
}

.toast-header .btn-close {
    filter: var(--toggler-filter);
}

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

/* Avatar Circle (used in tables/lists) */
.avatar-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
}

/* Input Group styling */
.input-group .form-control:disabled,
.input-group .form-control[readonly] {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.input-group .btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

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

/* Hero Section */
.hero-section {
    padding: 4rem 0;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Feature Cards */
.feature-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 3rem;
}

.feature-grid .feature-card {
    flex: 0 1 calc(50% - 1.5rem);
    min-width: 280px;
    max-width: 400px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.5rem;
}

.feature-title {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Meeting ID Input */
.meeting-join-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 0.5rem;
    display: flex;
    gap: 0.5rem;
    max-width: 500px;
    margin: 0 auto;
}

.meeting-join-form .form-control {
    border: none;
    background: transparent;
    flex: 1;
}

.meeting-join-form .form-control:focus {
    box-shadow: none;
}

.meeting-join-form .btn {
    border-radius: var(--radius-lg);
}

/* Spinner */
.spinner-border {
    color: var(--accent-primary);
}

/* Badge */
.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
    border-radius: var(--radius-sm);
}

/* Code */
code {
    background: var(--bg-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--accent-secondary);
}

/* Divider */
hr {
    border-color: var(--border-color);
    opacity: 1;
}

/* Recording Indicator */
#recording-indicator {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.95), rgba(220, 38, 38, 0.95));
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.4);
    backdrop-filter: blur(10px);
}

.recording-dot {
    width: 10px;
    height: 10px;
    background-color: white;
    border-radius: 50%;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

/* Glassmorphism effect for special cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: var(--text-secondary);
}

.theme-toggle:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
}

[data-theme="light"] .theme-toggle .sun-icon {
    display: block;
}

[data-theme="light"] .theme-toggle .moon-icon {
    display: none;
}

/* Modal Styling */
.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
}

.modal-header .modal-title {
    color: var(--text-primary);
    font-weight: 600;
}

.modal-header .btn-close {
    filter: var(--toggler-filter);
    opacity: 0.7;
}

.modal-header .btn-close:hover {
    opacity: 1;
}

.modal-body {
    padding: 1.5rem;
    color: var(--text-primary);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

/* Animation utilities */
.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}