/* Tesla LightShow - Matching parent site style */
/* Uses same color scheme and design system as ringchime */

:root {
    /* Match ringchime color scheme */
    --bg-color: #1a1a1a;
    --card-bg: #2a2a2a;
    --text-color: #e0e0e0;
    --text-muted: #b0b0b0;
    --border-color: #3a3a3a;
    --hover-bg: #3a3a3a;
    --primary-color: #5caaff;
    --primary-hover: #7cc0ff;
    --btn-primary-bg: #0069d9;
    --btn-primary-hover: #0056b3;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.5);
    
    /* LightShow specific (Tesla colors) */
    --surface-color: #2a2a2a;
    --surface-color-secondary: #1e1e1e;
    --accent-color: #3e6ae1;
    --text-secondary: #a0a0a0;
    --border-radius: 16px;
    --spacing-unit: 1rem;
    --transition-speed: 0.3s;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.5);
    
    /* Override main site variables for dark theme compatibility */
    --background-color: #1a1a1a;
    --text-primary: #e0e0e0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Subtle background glow (matching parent site style) */
body::before {
    content: '';
    position: fixed;
    top: -20%;
    left: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(92, 170, 255, 0.08), transparent 70%);
    z-index: -1;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    bottom: -20%;
    right: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(62, 106, 225, 0.05), transparent 70%);
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
    width: 100%;
}

/* Intro Section (matching parent site style) */
.intro-section {
    text-align: center;
}

.intro-section h1 {
    font-size: 3rem;
    font-weight: 700;
    margin: 0 0 1.5rem 0;
    color: var(--text-color);
    line-height: 1.2;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-color) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Fallback for browsers that don't support background-clip */
@supports not (-webkit-background-clip: text) {
    .intro-section h1 {
        background: none;
        -webkit-text-fill-color: var(--text-color);
        color: var(--text-color);
    }
}

.intro-section .subtitle {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

/* Header (legacy support) */
header {
    padding: 1.5rem 0;
    text-align: center;
    position: relative;
    z-index: 10;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-color) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Fallback for browsers that don't support background-clip */
@supports not (-webkit-background-clip: text) {
    header h1 {
        background: none;
        -webkit-text-fill-color: var(--text-color);
        color: var(--text-color);
    }
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 300;
}

/* Visualizer Section */
.tesla-visualizer-container {
    position: relative;
    width: 100%;
    height: 500px;
    /* Fixed height for 3D canvas */
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-color);
    margin: 2rem 0;
    transition: all 0.3s ease;
}

.tesla-visualizer-container:hover {
    box-shadow: 0 4px 12px var(--shadow-hover);
    border-color: var(--primary-color);
}

/* Model Loading Overlay */
.model-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    /* z-index: 1000; */
    transition: opacity 0.3s ease;
}

.model-loading-content {
    text-align: center;
    padding: 2rem;
    max-width: 400px;
}

.model-loading-spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.model-loading-content h3 {
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 1.5rem 0;
}

.model-loading-progress {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin: 0 0 1rem 0;
    position: relative;
}

.model-loading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
    border-radius: 4px;
    width: 0%;
    transition: width 0.2s ease;
    position: relative;
    overflow: hidden;
}

.model-loading-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.model-loading-text {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
}

.model-loading-hint {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Start Screen Overlay (Facade/Poster Pattern) */
.start-screen-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    /* z-index: 2000; */
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.start-screen-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.start-screen-content {
    text-align: center;
    padding: 2rem;
    max-width: 500px;
}

.launch-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border: none;
    border-radius: 50px;
    padding: 1.25rem 3rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(92, 170, 255, 0.4);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.launch-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.launch-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(92, 170, 255, 0.5);
}

.launch-button:active {
    transform: translateY(0);
    box-shadow: 0 4px 16px rgba(92, 170, 255, 0.4);
}

.launch-button:active::before {
    width: 300px;
    height: 300px;
}

.launch-button-text {
    position: relative;
    z-index: 1;
}

.start-screen-spinner {
    margin-top: 2rem;
    text-align: center;
}

.start-screen-spinner .spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 1rem;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.start-screen-spinner .spinner-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Page Loading Overlay */
.page-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.page-loading-content {
    text-align: center;
    padding: 2rem;
    max-width: 400px;
}

.page-loading-spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.page-loading-content h3 {
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 1.5rem 0;
}

.page-loading-progress {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin: 0 0 1rem 0;
    position: relative;
}

.page-loading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
    overflow: hidden;
}

.page-loading-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 1.5s infinite;
}

.page-loading-text {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

/* Publish Modal */
.publish-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.publish-modal[style*="display: block"],
.publish-modal.show {
    opacity: 1;
    visibility: visible;
}

.publish-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.publish-modal-content {
    position: relative;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    z-index: 10001;
}

.publish-modal.show .publish-modal-content {
    transform: scale(1);
}

.publish-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--hover-bg);
    color: var(--text-color);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 10002;
}

.publish-modal-close:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(90deg);
}

.publish-modal-content h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-color);
}

.publish-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0 0 1.5rem 0;
}

.publish-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.publish-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.publish-form label {
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
}

.publish-form input[type="text"],
.publish-form input[type="file"],
.publish-form textarea,
.publish-form select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.publish-form input[type="text"]:focus,
.publish-form textarea:focus,
.publish-form select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(92, 170, 255, 0.1);
}

.publish-form textarea {
    resize: vertical;
    min-height: 100px;
}

.publish-form select {
    cursor: pointer;
}

.form-hint {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.cover-preview {
    margin-top: 1rem;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.cover-preview img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 200px;
    object-fit: cover;
}

.publish-form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.publish-form-actions .big-button {
    flex: 1;
    margin: 0;
}

.publish-status {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.9rem;
    display: none;
}

.publish-status.success {
    display: block;
    background: rgba(46, 204, 113, 0.15);
    color: #2ecc71;
    border: 1px solid rgba(46, 204, 113, 0.3);
}

.publish-status.error {
    display: block;
    background: rgba(231, 76, 60, 0.15);
    color: #e74c3c;
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.publish-status.loading {
    display: block;
    background: rgba(92, 170, 255, 0.15);
    color: var(--primary-color);
    border: 1px solid rgba(92, 170, 255, 0.3);
}

@media (max-width: 768px) {
    .publish-modal-content {
        padding: 1.5rem;
        width: 95%;
    }
    
    .publish-form-actions {
        flex-direction: column;
    }
}

/* Explore Page - Shows Grid */
.shows-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
    display: none; /* Hidden until shows are loaded */
}

.show-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.show-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-hover);
    border-color: var(--primary-color);
}

.show-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.show-cover {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 aspect ratio */
    background: var(--bg-color);
    overflow: hidden;
}

.show-cover img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.show-card:hover .show-cover img {
    transform: scale(1.05);
}

.show-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.show-card:hover .show-overlay {
    opacity: 1;
}

.show-overlay i {
    font-size: 3rem;
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.show-info {
    padding: 1.25rem;
}

.show-info h3 {
    margin: 0 0 0.75rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 2.8em;
}

.show-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.show-likes,
.show-downloads {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.show-likes i {
    color: #e74c3c;
}

.show-downloads i {
    color: var(--primary-color);
}

.explore-loading,
.explore-error,
.explore-empty {
    margin: 2rem 0;
}

@media (max-width: 768px) {
    .shows-grid {
        grid-template-columns: 1fr;
    }
}

.tesla-visualizer-container canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
    outline: none;
}

/* Old styles removal (optional but cleaner) */
/* .tesla-front, .tesla-rear { ... } */

/* Controls Section */
.main-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
    align-items: stretch; /* Все карточки одинаковой высоты */
}

.step {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-hover);
    border-color: var(--primary-color);
}

.step-number {
    position: absolute;
    top: -10px;
    left: -10px;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--btn-primary-bg) 0%, var(--btn-primary-hover) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 10px rgba(92, 170, 255, 0.4);
}

/* Buttons */
.big-button {
    width: 100%;
    padding: 1rem;
    margin: 1rem 0 0 0;
    margin-top: auto; /* Прижимаем кнопку к низу карточки */
    border: none;
    border-radius: 12px;
    font-family: inherit;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.big-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-hover);
    background: var(--hover-bg);
    border-color: var(--primary-color);
}

.big-button:active:not(:disabled) {
    transform: translateY(0);
}

.big-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--card-bg);
    pointer-events: none;
}

.big-button.accent:disabled {
    opacity: 0.6;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
}

.big-button:disabled span {
    opacity: 0.8;
}

.big-button.primary {
    background: linear-gradient(135deg, var(--btn-primary-bg) 0%, var(--btn-primary-hover) 100%);
    color: white;
    border-color: var(--btn-primary-bg);
    box-shadow: 0 4px 16px rgba(92, 170, 255, 0.4);
}

.big-button.primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--btn-primary-hover) 0%, var(--btn-primary-bg) 100%);
    box-shadow: 0 6px 20px rgba(92, 170, 255, 0.5);
    transform: translateY(-2px);
}

.big-button.accent {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(92, 170, 255, 0.4);
}

.big-button.accent:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary-color) 100%);
    box-shadow: 0 6px 20px rgba(92, 170, 255, 0.5);
}

/* Player Section */
.player-section {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.25), transparent);
    border-top: 1px solid var(--border-color);
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 0.25rem var(--spacing-unit);
    z-index: 50;
    backdrop-filter: blur(1px);
    -webkit-backdrop-filter: blur(1px);
}

.player-controls {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
}

.player-button {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.2s;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

.player-button:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}

.progress-bar {
    max-width: 800px;
    margin: 0 auto;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
    border-radius: 3px;
    width: 0%;
    position: relative;
    transition: width 0.1s linear;
}

.progress-fill::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.2s;
}

.progress-bar:hover .progress-fill::after {
    opacity: 1;
}

.progress-time {
    position: absolute;
    right: 0;
    top: -25px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Volume */
.volume-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.volume-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    outline: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    cursor: pointer;
}

/* Checkboxes */
.closure-options {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 1rem; /* Отступ перед кнопкой для выравнивания */
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-label input {
    accent-color: var(--primary-color);
}

/* Info Text */
.info-text {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-height: 1.2em;
}

.info-text.error {
    color: #ff6b6b;
}

.info-text.warning {
    color: #ffa726;
}

/* Header Styles - matching cutter/tracks.php */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background-color: var(--background-color, var(--bg-color, #1a1a1a));
    border-bottom: 1px solid var(--border-color, #3a3a3a);
    z-index: 100;
    backdrop-filter: blur(8px);
}

.nav-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-controls-main-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-button, .cutter-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--surface-color, #2a2a2a);
    border-radius: 4px;
    color: var(--text-color, var(--text-primary, #fff));
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    text-decoration: none;
    border: 1px solid var(--border-color, #3a3a3a);
}

.blog-button:hover, .cutter-button:hover {
    background: var(--primary-color, #3e6ae1);
    color: white;
    border-color: var(--primary-color, #3e6ae1);
}

.blog-button i, .cutter-button i {
    font-size: 1rem;
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color, #3a3a3a);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    color: var(--text-color, var(--text-primary, #fff));
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-right: 0.5rem;
}

.theme-toggle:hover {
    background: var(--surface-color, #2a2a2a);
    border-color: var(--primary-color, #3e6ae1);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle i {
    font-size: 1.1rem;
}

.language-toggle {
    background: transparent;
    border: 1px solid var(--border-color, #3a3a3a);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    color: var(--text-color, var(--text-primary, #fff));
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.language-toggle:hover {
    background: var(--surface-color, #2a2a2a);
    border-color: var(--primary-color, #3e6ae1);
}

.language-toggle i {
    font-size: 1rem;
}

/* Language Menu Overlay */
.language-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2147483646;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.language-menu-overlay.show {
    display: block;
    opacity: 1;
}

/* Language Menu - Modal */
.language-menu {
    position: fixed;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: var(--surface-color, #2a2a2a);
    border: 1px solid var(--border-color, #3a3a3a);
    border-radius: 16px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
    padding: 0;
    width: 90%;
    max-width: 500px;
    max-height: 85vh;
    z-index: 2147483647;
    display: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.language-menu.show {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: translate(-50%, -50%) scale(1) !important;
}

.language-menu-header {
    display: flex;
    padding: 1.5rem 1.5rem 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color, #3a3a3a);
    justify-content: space-between;
    align-items: center;
}

.language-menu-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color, var(--text-primary, #fff));
}

.language-menu-close {
    background: transparent;
    border: none;
    color: var(--text-color, var(--text-primary, #fff));
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    transition: color 0.2s;
}

.language-menu-close:hover {
    color: var(--primary-color, #3e6ae1);
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    padding: 1.5rem;
    max-height: calc(85vh - 100px);
    overflow-y: auto;
}

.language-switcher {
    position: relative;
}

.language-item {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--text-color, var(--text-primary, #fff));
    border-radius: 8px;
    transition: all 0.2s;
    font-weight: 500;
    border: 1px solid transparent;
}

.language-item:hover {
    background: var(--surface-color, #2a2a2a);
    border-color: var(--border-color, #3a3a3a);
}

.language-item.active {
    background: var(--primary-color, #3e6ae1);
    color: white;
    font-weight: 600;
    border-color: var(--primary-color, #3e6ae1);
}

.language-name {
    color: inherit;
    font-size: 0.95rem;
    white-space: nowrap;
}

body {
    padding-top: 70px;
}

/* Responsive adjustments - matching cutter/tracks.php */
@media (max-width: 768px) {
    .main-header {
        height: 60px;
    }
    
    body {
        padding-top: 60px;
    }
    
    
    /* Общие стили для мобильных устройств */
    .container {
        padding: 0 1rem;
        width: 100%;
    }
    
    /* Mobile horizontal scroll for navigation */
    .nav-container {
        display: flex !important;
        align-items: center;
        gap: 1rem;
        overflow: visible;
        width: 100%;
        position: relative;
        justify-content: flex-start !important;
    }
    
    /* Скрываем логотип на мобильных */
    .logo {
        display: none !important;
    }
    
    /* Navigation controls scroll horizontally */
    .nav-controls {
        display: flex !important;
        align-items: center;
        gap: 0.5rem;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        scroll-behavior: smooth;
        flex: 1;
        min-width: 0;
        margin: 0;
        position: relative;
        width: 100%;
        justify-content: space-between;
        /* Gradient overlays to indicate scrollable content */
        mask-image: linear-gradient(
            to right,
            transparent 0%,
            black 20px,
            black calc(100% - 20px),
            transparent 100%
        );
        -webkit-mask-image: linear-gradient(
            to right,
            transparent 0%,
            black 20px,
            black calc(100% - 20px),
            transparent 100%
        );
    }
    
    .nav-controls::-webkit-scrollbar {
        display: none;
        width: 0;
        height: 0;
    }
    
    /* Gradient fade indicator on right side */
    .nav-controls::after {
        content: '';
        position: absolute;
        top: 0;
        bottom: 0;
        right: 0;
        width: 30px;
        pointer-events: none;
        z-index: 1;
        transition: opacity 0.3s ease;
        background: linear-gradient(to left, var(--background-color, var(--bg-color, #1a1a1a)), transparent);
        opacity: 1;
    }
    
    /* Hide right fade when scrolled to the end */
    .nav-controls.scrolled-right::after {
        opacity: 0;
    }
    
    /* Show right fade when NOT at the end */
    .nav-controls:not(.scrolled-right)::after {
        opacity: 1;
    }
    
    .nav-controls-main-group {
        display: flex !important;
        align-items: center;
        gap: 0.5rem;
        flex-wrap: nowrap !important;
        min-width: max-content;
        flex: 1;
        justify-content: space-around;
    }
    
    .blog-button, .cutter-button {
        white-space: nowrap !important;
        flex-shrink: 0 !important;
        min-width: fit-content;
        padding: 0.5rem 0.6rem;
        font-size: 0.85rem;
        flex-grow: 1;
        justify-content: center;
    }
    
    .blog-button i, .cutter-button i {
        font-size: 0.9rem;
    }
    
    .language-toggle, .theme-toggle {
        flex-shrink: 0 !important;
        margin-left: 0.5rem;
        width: 36px;
        height: 36px;
        padding: 0.4rem;
        font-size: 0.8rem;
    }
    
    .language-toggle span {
        display: none;
    }
    
    /* Скрываем иконку глобуса */
    .language-toggle i {
        display: block;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .nav-controls {
        gap: 0.25rem;
    }
    
    .nav-controls-main-group {
        gap: 0.2rem;
    }
    
    .blog-button, .cutter-button {
        padding: 0.4rem 0.5rem;
        font-size: 0.75rem;
    }
    
    .blog-button i, .cutter-button i {
        font-size: 0.85rem;
    }
}



/* Share Section */
.share-section {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    text-align: center;
}

.share-section h3 {
    margin: 0 0 1.5rem 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.share-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.share-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.share-button i {
    font-size: 1.1rem;
}

.share-facebook:hover {
    background: #1877f2;
    border-color: #1877f2;
    color: white;
}

.share-twitter:hover {
    background: #1da1f2;
    border-color: #1da1f2;
    color: white;
}

.share-telegram:hover {
    background: #0088cc;
    border-color: #0088cc;
    color: white;
}

.share-whatsapp:hover {
    background: #25d366;
    border-color: #25d366;
    color: white;
}

.share-vk:hover {
    background: #4c75a3;
    border-color: #4c75a3;
    color: white;
}

.share-copy:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.share-copy {
    border: none;
    font-family: inherit;
}

@media (max-width: 768px) {
    .share-buttons {
        flex-direction: column;
    }
    
    .share-button {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .tesla-visualizer {
        flex-direction: column;
        align-items: center;
    }

    .tesla-front,
    .tesla-rear {
        max-width: 100%;
    }

    .main-controls {
        grid-template-columns: 1fr;
    }

    .player-controls {
        gap: 1rem;
    }

    .volume-slider {
        width: 80px;
    }
}