:root {
    --bg-primary: #050510;
    --bg-secondary: #0f0f25;
    --bg-card: rgba(20, 20, 40, 0.7);
    --accent-primary: #ff00ff;
    --accent-secondary: #00ffff;
    --text-primary: #ffffff;
    --text-secondary: #b3b3ff;
    --border: #3333cc;
    --error: #ff3366;
    --success: #00ff99;
    --warning: #ffcc00;
    --glow: 0 0 10px var(--accent-primary), 0 0 20px var(--accent-secondary);
}

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

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Landing Page Styles */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
}

.header h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(255, 0, 255, 0.5);
    animation: title-pulse 3s infinite alternate;
}

@keyframes title-pulse {
    from {
        text-shadow: 0 0 20px rgba(255, 0, 255, 0.5);
    }

    to {
        text-shadow: 0 0 40px rgba(0, 255, 255, 0.5);
    }
}

.header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 0, 0, 0.5);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.4);
}

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

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

textarea {
    width: 100%;
    min-height: 200px;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    resize: vertical;
    transition: border-color 0.2s;
}

textarea:focus {
    outline: none;
    border-color: var(--accent-secondary);
    box-shadow: 0 0 10px var(--accent-primary);
}

textarea::placeholder {
    color: var(--text-secondary);
}

.btn {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--accent-primary);
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.help-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none;
}

.error-message.show {
    display: block;
}

/* Player Page Styles */
.player-container {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    /* Ensure pseudo-element positions correctly */
}

.controls-panel {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    /* Floating styles */
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 1;
    transform: translateY(0);
}

.controls-hidden {
    opacity: 0;
    transform: translateY(100%);
    pointer-events: none;
}

.control-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.control-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

select {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
}

.timeline-control {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 200px;
}

.timeline-control input[type="range"] {
    flex: 1;
    height: 6px;
    background: var(--bg-card);
    border-radius: 3px;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.timeline-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
}

.timeline-control input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.time-display {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    min-width: 100px;
}

.video-grid {
    flex: 1;
    display: grid;
    gap: 4px;
    background: var(--bg-primary);
    padding: 4px;
    overflow: auto;
}

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

.video-grid.layout-2x2 {
    grid-template-columns: repeat(2, 1fr);
}

.video-grid.layout-3x3 {
    grid-template-columns: repeat(3, 1fr);
}

.video-grid.layout-1x4 {
    grid-template-columns: repeat(4, 1fr);
}

.video-grid.layout-auto {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

/* Responsive Overrides for fixed layouts */
@media (max-width: 768px) {

    .video-grid.layout-2x2,
    .video-grid.layout-3x3,
    .video-grid.layout-1x4 {
        grid-template-columns: 1fr;
    }
}

.video-wrapper {
    position: relative;
    background: #000;
    border-radius: 4px;
    overflow: hidden;
    min-height: 200px;
}

.video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 0.5rem;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent);
    display: flex;
    justify-content: space-between;
    align-items: start;
    opacity: 0;
    transition: opacity 0.2s;
}

.video-wrapper:hover .video-overlay {
    opacity: 1;
}

.video-index {
    background: var(--accent-primary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.mute-btn {
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.mute-btn:hover {
    background: rgba(0, 0, 0, 0.9);
    border-color: var(--accent-primary);
}

.loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    border: 4px solid var(--border);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.video-error {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    padding: 1rem;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.error-message-text {
    color: var(--error);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.error-url {
    color: var(--text-secondary);
    font-size: 0.8rem;
    word-break: break-all;
}

/* Border Glow Effect */
.border-glow::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    box-shadow: inset 0 0 50px 20px var(--accent-primary), inset 0 0 100px 40px var(--accent-secondary);
    animation: glow-pulse 1s ease-in-out infinite alternate;
    pointer-events: none;
    /* Let clicks pass through */
    z-index: 9998;
    /* Above videos but below timer/controls overlay if needed */
}

@keyframes glow-pulse {
    from {
        box-shadow: inset 0 0 50px 20px var(--accent-primary), inset 0 0 100px 40px var(--accent-secondary);
    }

    to {
        box-shadow: inset 0 0 80px 30px var(--accent-primary), inset 0 0 150px 60px var(--accent-secondary);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }

    .controls-panel {
        flex-direction: column;
        align-items: stretch;
    }

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

/* Loading state */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* NOW Timer */
#now-timer {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    border: 1px solid var(--border);
    z-index: 1000;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#now-timer.controls-hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(-100%);
}

#now-countdown {
    color: var(--accent-primary);
    font-weight: bold;
}

/* URL Blocks UI */
.input-group {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.input-group input[type="text"] {
    flex: 1;
    padding: 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: monospace;
}

.add-btn {
    background: var(--accent-primary);
    color: white;
    border: none;
    padding: 0 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s;
}

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

.url-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
    max-height: 300px;
    overflow-y: auto;
}

.url-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    animation: slideIn 0.2s ease-out;
}

.url-text {
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 90%;
}

.remove-btn {
    background: transparent;
    border: none;
    color: var(--error);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.remove-btn:hover {
    opacity: 1;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 4px;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 1rem;
    border: 1px dashed var(--border);
    border-radius: 6px;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

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

.footer {
    text-align: center;
    margin-top: 2rem;
    animation: slideIn 0.5s ease-out 0.2s both;
}

.community-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 50px;
    background: rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
    display: inline-block;
    letter-spacing: 0.5px;
}

.community-link:hover {
    color: var(--accent-secondary);
    border-color: var(--accent-secondary);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
    background: rgba(0, 255, 255, 0.05);
    transform: translateY(-2px);
}

/* Tutorial Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.tutorial-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    padding: 2rem;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5), var(--glow);
    transform: translateY(20px);
    transition: transform 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-overlay.show .tutorial-modal {
    transform: translateY(0);
}

.tutorial-header {
    text-align: center;
    margin-bottom: 2rem;
}

.tutorial-header h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    color: white;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.tutorial-content {
    margin-bottom: 2rem;
}

.tutorial-step {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    border-left: 4px solid var(--accent-primary);
}

.tutorial-step h3 {
    color: var(--accent-secondary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.tutorial-step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.code-snippet {
    background: rgba(0, 0, 0, 0.5);
    padding: 0.5rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.85rem;
    color: #ffd700;
}

.tutorial-footer {
    display: flex;
    justify-content: center;
}

.close-tutorial {
    background: var(--accent-primary);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
}

.close-tutorial:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px var(--accent-primary);
}