/* Global Styles */
:root {
    --bg-color: #0f1115;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --accent-primary: #4f46e5;
    --accent-secondary: #a855f7;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    --input-bg: rgba(0, 0, 0, 0.3);
    --input-focus-shadow: rgba(99, 102, 241, 0.1);
    --text-placeholder: rgba(255, 255, 255, 0.3);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

[data-theme="light"] {
    --bg-color: #f3f4f6;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --accent-primary: #4f46e5;
    --accent-secondary: #9333ea;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    --input-bg: rgba(255, 255, 255, 0.8);
    --input-focus-shadow: rgba(79, 70, 229, 0.2);
    --text-placeholder: rgba(0, 0, 0, 0.4);
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* Background Atmosphere */
.background-glow-1,
.background-glow-2 {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.4;
}

.background-glow-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--accent-primary), transparent 70%);
}

.background-glow-2 {
    bottom: -10%;
    right: -10%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, var(--accent-secondary), transparent 70%);
}

/* Glassmorphism Components */
.glass-nav {
    background: rgba(15, 17, 21, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="light"] .glass-nav {
    background: rgba(255, 255, 255, 0.8);
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

[data-theme="light"] .glass-btn {
    background: rgba(0, 0, 0, 0.05);
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: translateY(-1px);
}

[data-theme="light"] .glass-btn:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* Dropdown Menu */
.glass-dropdown {
    background: var(--bg-color);
    /* Fallback */
    background: rgba(15, 17, 21, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

[data-theme="light"] .glass-dropdown {
    background: rgba(255, 255, 255, 0.95);
}

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

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

[data-theme="light"] .dropdown-item:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* Typography & Text */
.tracking-tight {
    letter-spacing: -0.025em;
}

.tracking-wide {
    letter-spacing: 0.1em;
}

.text-xs {
    font-size: 0.75rem;
}

.text-sm {
    font-size: 0.875rem;
}

.text-primary-gradient {
    background: linear-gradient(135deg, #6366f1, #d8b4fe);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Input Group Styles */
.search-bar-shadow {
    background: var(--input-bg);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    padding: 4px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.search-bar-shadow:focus-within {
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 0 0 4px var(--input-focus-shadow);
}

input.form-control {
    color: var(--text-primary);
    background-color: transparent;
}

input.form-control:focus {
    box-shadow: none;
    background-color: transparent;
    color: var(--text-primary);
}

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

/* Buttons */
.btn-primary-gradient {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    color: white;
    border-radius: 8px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary-gradient:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    color: white;
}

.btn-primary-gradient:active {
    transform: translateY(0);
}

/* Video Player */
.video-container {
    width: 100%;
    aspect-ratio: 16/9;
    background: black;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    outline: none;
}

/* Custom Tabs */
.custom-tabs .nav-link {
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.custom-tabs .nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .custom-tabs .nav-link:hover {
    background: rgba(0, 0, 0, 0.05);
}

.custom-tabs .nav-link.active {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

/* Controls Toolbar */
.header-toolbar {
    border-top: 1px solid var(--glass-border);
}

.glass-select {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
}

[data-theme="light"] .glass-select {
    background-color: rgba(0, 0, 0, 0.05);
}

.glass-select:focus {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--accent-primary);
    box-shadow: none;
}

[data-theme="light"] .glass-select:focus {
    background-color: rgba(0, 0, 0, 0.1);
}

.glass-select option {
    background-color: #1f2937;
    /* Dark bg for options */
    color: white;
}

[data-theme="light"] .glass-select option {
    background-color: white;
    color: #333;
}

/* Animations */
.animate-up {
    animation: slideUpFade 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

@keyframes slideUpFade {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading Spinner */
.spinner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

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

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

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Theme Utilities */
.theme-text-heading {
    color: var(--text-primary);
}

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

.input-icon-color {
    color: var(--text-placeholder);
}

.glass-btn-outline {
    border: 1px solid var(--text-secondary);
    color: var(--text-secondary);
    background: transparent;
    transition: all 0.3s ease;
}

.glass-btn-outline:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .glass-btn-outline:hover {
    background: rgba(0, 0, 0, 0.05);
}

.modal-content.glass-panel {
    border: 1px solid var(--glass-border);
}

.btn-close-white {
    filter: invert(1) grayscale(100%) brightness(200%);
}

[data-theme="light"] .btn-close-white {
    filter: none;
}