/* Ультрасовременный фиолетовый дизайн для модуля 3D моделей */

:root {
    --purple-primary: #6c5efc;
    --purple-primary-dark: #4f3ecf;
    --purple-primary-light: #8b7aff;
    --purple-secondary: #a855f7;
    --purple-accent: #8b00ff;
    --purple-dark: #6400c8;
    --purple-gradient: linear-gradient(135deg, #6c5efc 0%, #a855f7 100%);
    --purple-gradient-dark: linear-gradient(135deg, #4f3ecf 0%, #6c5efc 100%);
    --purple-gradient-light: linear-gradient(135deg, #8b7aff 0%, #a855f7 100%);
    --purple-gradient-accent: linear-gradient(135deg, #8b00ff 0%, #6c5efc 100%);
    --secondary-gradient: linear-gradient(135deg, #f4b96d 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --dark-bg: #11152a;
    --card-bg: rgba(255, 255, 255, 0.98);
    --glass-bg: rgba(108, 94, 252, 0.1);
    --glass-border: rgba(108, 94, 252, 0.2);
    --text-primary: #1c1f2d;
    --text-secondary: #475467;
    --shadow-sm: 0 2px 12px rgba(108, 94, 252, 0.15);
    --shadow-md: 0 8px 24px rgba(108, 94, 252, 0.25);
    --shadow-lg: 0 16px 48px rgba(108, 94, 252, 0.3);
    --shadow-xl: 0 24px 64px rgba(108, 94, 252, 0.4);
    --shadow-glow: 0 0 40px rgba(108, 94, 252, 0.5);
    --border-radius: 24px;
    --border-radius-sm: 16px;
    --transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: #ffffff !important;
    background-attachment: fixed;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    display: none !important;
}

/* Переопределение стилей header.php для страниц models_3d */
.models-3d-container body,
.model-view-container body,
.upload-container body {
    background: #ffffff !important;
}

/* ========== КОНТЕЙНЕРЫ ========== */
.models-3d-container,
.model-view-container,
.upload-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: clamp(30px, 5vw, 50px) clamp(20px, 4vw, 25px);
    position: relative;
    z-index: 1;
}

/* ========== ЗАГОЛОВКИ ========== */
.models-3d-header,
.upload-header {
    text-align: center;
    margin-bottom: clamp(40px, 6vw, 60px);
    position: relative;
    animation: fadeInDown 0.8s ease-out;
    background: #ffffff;
    padding: clamp(25px, 4vw, 40px) clamp(20px, 3vw, 30px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.models-3d-header::before,
.upload-header::before {
    content: '';
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 5px;
    background: var(--purple-gradient);
    border-radius: 3px;
    box-shadow: var(--shadow-glow);
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(108, 94, 252, 0.5);
    }
    50% {
        box-shadow: 0 0 40px rgba(108, 94, 252, 0.8);
    }
}

.models-3d-header h1,
.upload-header h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--text-primary) !important;
    letter-spacing: -0.03em;
    position: relative;
    display: inline-block;
}

.models-3d-header h1::after,
.upload-header h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--purple-gradient-accent);
    border-radius: 2px;
    animation: expandWidth 1s ease-out 0.5s both;
}

@keyframes expandWidth {
    from {
        width: 0;
    }
    to {
        width: 60px;
    }
}

.models-3d-header .subtitle,
.upload-header .subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-top: 15px;
    animation: fadeIn 1s ease-out 0.3s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========== КНОПКИ ========== */
.btn-upload,
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--purple-gradient);
    color: white;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-upload::before,
.btn-primary::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, height 0.6s;
}

.btn-upload:hover::before,
.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-upload::after,
.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

.btn-upload:hover::after,
.btn-primary:hover::after {
    left: 100%;
}

.btn-upload:hover,
.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
    background: var(--purple-gradient-light);
}

.btn-upload:active,
.btn-primary:active {
    transform: translateY(-2px) scale(0.98);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 2px solid rgba(108, 94, 252, 0.3);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: rgba(108, 94, 252, 0.05);
    border-color: var(--purple-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    color: var(--purple-primary);
}

.btn-disabled {
    padding: 16px 32px;
    background: #f0f0f0;
    color: #999;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: not-allowed;
    opacity: 0.6;
}

/* ========== ФИЛЬТРЫ ========== */
.models-3d-filters {
    background: var(--card-bg);
    backdrop-filter: blur(30px);
    padding: 35px;
    border-radius: var(--border-radius);
    margin-bottom: 50px;
    box-shadow: var(--shadow-lg);
    border: 2px solid rgba(108, 94, 252, 0.2);
    animation: slideUp 0.6s ease-out 0.2s both;
    position: relative;
    overflow: hidden;
}

.models-3d-filters::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--purple-gradient);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.filters-form {
    display: grid;
    grid-template-columns: 2fr 1fr auto auto;
    gap: 20px;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group label {
    margin-bottom: 10px;
    font-weight: 700;
    color: var(--text-primary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.search-input,
.category-select {
    width: 100%;
    padding: 14px 20px;
    border: 2px solid rgba(108, 94, 252, 0.2);
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    transition: var(--transition);
    background: white;
    font-weight: 500;
}

.search-input:focus,
.category-select:focus {
    outline: none;
    border-color: var(--purple-primary);
    box-shadow: 0 0 0 4px rgba(108, 94, 252, 0.15), var(--shadow-md);
    transform: translateY(-2px);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 14px 18px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    border: 2px solid transparent;
}

.checkbox-label:hover {
    background: rgba(108, 94, 252, 0.08);
    border-color: rgba(108, 94, 252, 0.3);
    transform: translateX(5px);
}

.btn-filter,
.btn-reset {
    padding: 14px 28px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 13px;
}

.btn-filter {
    background: var(--purple-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-filter:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-xl);
    background: var(--purple-gradient-light);
}

.btn-reset {
    background: white;
    color: var(--text-primary);
    border: 2px solid rgba(108, 94, 252, 0.3);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.btn-reset:hover {
    border-color: var(--purple-primary);
    background: rgba(108, 94, 252, 0.05);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--purple-primary);
}

/* ========== СЕТКА МОДЕЛЕЙ ========== */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 35px;
    margin-bottom: 60px;
}

.model-card {
    background: var(--card-bg);
    backdrop-filter: blur(30px);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid rgba(108, 94, 252, 0.2);
    position: relative;
    animation: fadeInUp 0.6s ease-out both;
    animation-delay: calc(var(--index, 0) * 0.1s);
    cursor: pointer;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.model-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--purple-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 0;
    pointer-events: none;
}

.model-card:hover::before {
    transform: scaleX(1);
}

.model-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(108, 94, 252, 0.15) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: 0;
    pointer-events: none;
}

.model-card:hover::after {
    width: 300px;
    height: 300px;
}

.model-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: rgba(108, 94, 252, 0.5);
}

.model-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
    position: relative;
    z-index: 1;
}

.model-thumbnail {
    position: relative;
    width: 100%;
    height: 260px;
    background: linear-gradient(135deg, rgba(108, 94, 252, 0.2) 0%, rgba(168, 85, 247, 0.2) 100%);
    overflow: hidden;
}

.model-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.model-card:hover .model-thumbnail img {
    transform: scale(1.15) rotate(2deg);
}

.model-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #999;
    background: linear-gradient(135deg, rgba(108, 94, 252, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
}

.model-placeholder .icon-3d {
    font-size: 72px;
    margin-bottom: 20px;
    opacity: 0.6;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-15px) rotate(5deg);
    }
}

.price-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--purple-gradient);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 800;
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    z-index: 2;
    animation: pulse 2s ease-in-out infinite;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 8px 24px rgba(108, 94, 252, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 12px 32px rgba(108, 94, 252, 0.6);
    }
}

.price-badge.free {
    background: var(--success-gradient);
}

.model-info {
    padding: 25px;
    position: relative;
    z-index: 1;
}

.model-title {
    font-size: 1.3em;
    font-weight: 800;
    margin: 0 0 12px 0;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.model-author {
    font-size: 0.95em;
    color: var(--text-secondary);
    margin: 0 0 15px 0;
    font-weight: 500;
}

.model-stats {
    display: flex;
    gap: 25px;
    margin-bottom: 15px;
    font-size: 0.9em;
    color: var(--text-secondary);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.stat-item:hover {
    color: var(--purple-primary);
    transform: translateX(3px);
}

.model-info-section .model-details .model-category,
.model-details .model-category,
.model-category {
    margin-top: 25px !important;
    margin-bottom: 45px !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    display: block !important;
    position: relative !important;
}

.model-category h3 {
    margin-bottom: 15px;
    margin-top: 0;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1em;
}

.model-category .category-link {
    display: inline-block;
    background: var(--purple-gradient);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 13px;
}


.no-models {
    grid-column: 1 / -1;
    text-align: center;
    padding: 100px 20px;
    color: var(--text-secondary);
}

/* ========== ПАГИНАЦИЯ ========== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 60px;
}

.pagination-btn {
    padding: 14px 28px;
    background: var(--purple-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 13px;
}

.pagination-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-xl);
    background: var(--purple-gradient-light);
}

.pagination-info {
    color: var(--text-secondary);
    font-weight: 600;
}

/* ========== СТРАНИЦА ПРОСМОТРА ========== */
.model-view-header {
    margin-bottom: 50px;
    animation: fadeInDown 0.8s ease-out;
    background: #ffffff;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
    color: var(--purple-primary);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    padding: 12px 20px;
    border-radius: var(--border-radius-sm);
    background: rgba(108, 94, 252, 0.1);
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 13px;
}

.back-link:hover {
    background: rgba(108, 94, 252, 0.2);
    border-color: var(--purple-primary);
    transform: translateX(-8px);
    box-shadow: var(--shadow-sm);
}

.model-view-header h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.model-meta {
    display: flex;
    gap: 30px;
    color: var(--text-secondary);
    font-size: 1em;
    flex-wrap: wrap;
}

.model-meta .author a {
    color: var(--purple-primary);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    padding: 4px 8px;
    border-radius: 6px;
}

.model-meta .author a:hover {
    background: rgba(108, 94, 252, 0.1);
    text-decoration: none;
    transform: translateY(-2px);
}

.model-view-content {
    display: grid;
    grid-template-columns: 1fr 450px;
    gap: 40px;
    animation: fadeIn 0.8s ease-out 0.2s both;
}

.model-viewer-section {
    background: var(--card-bg);
    backdrop-filter: blur(30px);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow-lg);
    border: 2px solid rgba(108, 94, 252, 0.2);
    position: relative;
    overflow: hidden;
}

.model-viewer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--purple-gradient);
}

.model-viewer-wrapper {
    margin-bottom: 30px;
}

.model-viewer {
    width: 100%;
    height: 600px;
    background: linear-gradient(135deg, rgba(108, 94, 252, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border-radius: var(--border-radius-sm);
    margin-bottom: 25px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 2px solid rgba(108, 94, 252, 0.2);
}

.viewer-controls {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.control-btn {
    padding: 12px 22px;
    background: white;
    border: 2px solid rgba(108, 94, 252, 0.3);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
    isolation: isolate;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Фоновый градиент при наведении */
.control-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--purple-gradient);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
    border-radius: var(--border-radius-sm);
}

.control-btn:hover::before {
    opacity: 1;
}

/* Анимация расширяющегося круга для эффекта */
.control-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    transform: translate(-50%, -50%);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1), height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
    pointer-events: none;
}

.control-btn:hover::after {
    width: 250px;
    height: 250px;
}

/* Стили для иконок и текста */
.control-btn .btn-icon,
.control-btn .btn-text {
    position: relative;
    z-index: 2;
    transition: opacity 0.3s ease, color 0.3s ease;
}

/* Иконки остаются видимыми, но немного светлее при наведении */
.control-btn:hover .btn-icon {
    opacity: 0.9;
    filter: none;
}

/* Текст белый при наведении */
.control-btn:hover .btn-text {
    color: white !important;
}

/* Общие стили при наведении */
.control-btn:hover {
    border-color: rgba(108, 94, 252, 0.6);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 24px rgba(108, 94, 252, 0.4);
    color: white !important;
}

.model-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-like {
    padding: 14px 24px;
    background: white;
    border: 2px solid rgba(108, 94, 252, 0.3);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    font-weight: 700;
    box-shadow: var(--shadow-sm);
    position: relative;
}

/* Тултип со списком пользователей, которые поставили лайк */
.likes-tooltip {
    position: fixed;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 16px;
    box-shadow: 0 12px 48px rgba(108, 94, 252, 0.25), 
                0 4px 16px rgba(0, 0, 0, 0.1),
                0 0 0 1px rgba(108, 94, 252, 0.15);
    padding: 0;
    z-index: 10000;
    min-width: 300px;
    max-width: 420px;
    max-height: 420px;
    overflow: hidden;
    animation: tooltipFadeIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    transform: translateX(-50%);
    margin-top: 0;
    pointer-events: auto;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-8px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0) scale(1);
    }
}

.likes-tooltip-header {
    padding: 14px 18px;
    background: linear-gradient(135deg, rgba(108, 94, 252, 0.12) 0%, rgba(168, 85, 247, 0.12) 100%);
    border-bottom: 1px solid rgba(108, 94, 252, 0.2);
    font-weight: 700;
    font-size: 13px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.likes-tooltip-list {
    max-height: 340px;
    overflow-y: auto;
    padding: 6px 0;
}

.likes-tooltip-list::-webkit-scrollbar {
    width: 8px;
}

.likes-tooltip-list::-webkit-scrollbar-track {
    background: rgba(108, 94, 252, 0.05);
    border-radius: 4px;
    margin: 4px 0;
}

.likes-tooltip-list::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, rgba(108, 94, 252, 0.4) 0%, rgba(168, 85, 247, 0.4) 100%);
    border-radius: 4px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

.likes-tooltip-list::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, rgba(108, 94, 252, 0.6) 0%, rgba(168, 85, 247, 0.6) 100%);
    background-clip: padding-box;
}

.likes-tooltip-user {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 18px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 3px solid transparent;
    margin: 2px 0;
    border-radius: 0 8px 8px 0;
    position: relative;
    overflow: hidden;
}

.likes-tooltip-user::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(90deg, rgba(108, 94, 252, 0.15) 0%, rgba(168, 85, 247, 0.1) 100%);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.likes-tooltip-user:hover::before {
    width: 100%;
}

.likes-tooltip-user:hover {
    border-left-color: var(--purple-primary);
    color: var(--purple-primary);
    transform: translateX(4px);
}

.likes-tooltip-user > * {
    position: relative;
    z-index: 1;
}

.likes-tooltip-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(108, 94, 252, 0.25) 0%, rgba(168, 85, 247, 0.25) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(108, 94, 252, 0.2);
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.likes-tooltip-user:hover .likes-tooltip-avatar {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(108, 94, 252, 0.35);
    border-color: rgba(108, 94, 252, 0.4);
}

.likes-tooltip-name {
    font-weight: 600;
    font-size: 14px;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.3s ease;
}

.likes-tooltip-more {
    padding: 12px 18px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
    font-style: italic;
    border-top: 1px solid rgba(108, 94, 252, 0.15);
    background: linear-gradient(135deg, rgba(108, 94, 252, 0.05) 0%, rgba(168, 85, 247, 0.03) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-like:hover {
    border-color: #ff6b6b;
    background: linear-gradient(135deg, #fff5f5 0%, #ffe0e0 100%);
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-md);
}

.btn-like.liked {
    border-color: #ff6b6b;
    background: linear-gradient(135deg, #fff5f5 0%, #ffe0e0 100%);
    animation: heartBeat 0.6s ease-in-out;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.2); }
    50% { transform: scale(1.1); }
    75% { transform: scale(1.15); }
}

.model-info-section {
    background: var(--card-bg);
    backdrop-filter: blur(30px);
    border-radius: var(--border-radius);
    padding: 35px;
    box-shadow: var(--shadow-lg);
    border: 2px solid rgba(108, 94, 252, 0.2);
    height: fit-content;
    position: sticky;
    top: 30px;
}

.model-info-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--purple-gradient);
}

.model-details h2,
.model-details h3 {
    margin-top: 0;
    color: var(--text-primary);
    font-weight: 800;
    letter-spacing: -0.01em;
}

.description {
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 35px;
    font-size: 1.05em;
}

.model-specs {
    margin-bottom: 35px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table td {
    padding: 15px 0;
    border-bottom: 1px solid rgba(108, 94, 252, 0.1);
    transition: var(--transition-fast);
}

.specs-table tr:hover td {
    background: rgba(108, 94, 252, 0.05);
    padding-left: 10px;
}

.specs-table td:first-child {
    color: var(--text-secondary);
    width: 40%;
    font-weight: 600;
}

.specs-table td:last-child {
    font-weight: 700;
    color: var(--text-primary);
}

.model-info-section .model-details .model-tags,
.model-details .model-tags,
.model-tags {
    margin-bottom: 50px !important;
    margin-top: 0 !important;
    display: block !important;
    position: relative !important;
}

.model-tags h3 {
    margin-bottom: 15px;
    margin-top: 0;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1em;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tag {
    background: linear-gradient(135deg, rgba(108, 94, 252, 0.2) 0%, rgba(168, 85, 247, 0.2) 100%);
    color: var(--purple-primary);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.9em;
    font-weight: 600;
    border: 2px solid rgba(108, 94, 252, 0.3);
    transition: var(--transition);
    cursor: pointer;
}

.tag:hover {
    background: var(--purple-gradient);
    color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-md);
}

.category-link {
    display: inline-block;
    background: var(--purple-gradient);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 13px;
}

.category-link:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-xl);
    background: var(--purple-gradient-light);
}

/* ========== СТРАНИЦА ЗАГРУЗКИ ========== */
.upload-form {
    background: var(--card-bg);
    backdrop-filter: blur(30px);
    padding: clamp(30px, 5vw, 60px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 2px solid rgba(108, 94, 252, 0.2);
    animation: slideUp 0.8s ease-out 0.2s both;
    position: relative;
    overflow: hidden;
}

.upload-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--purple-gradient);
    z-index: 1;
}

.upload-form::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(108, 94, 252, 0.03) 0%, transparent 70%);
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

/* Секции формы */
.form-section-essential {
    background: white;
    padding: clamp(25px, 4vw, 40px);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
    margin-bottom: clamp(20px, 3vw, 30px);
    border: 2px solid rgba(108, 94, 252, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.form-section-essential::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--purple-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.form-section-essential:hover::before {
    transform: scaleX(1);
}

.form-section-optional {
    background: linear-gradient(135deg, rgba(248, 249, 250, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    margin-bottom: clamp(20px, 3vw, 30px);
    border: 2px solid rgba(108, 94, 252, 0.1);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.form-section-optional:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(108, 94, 252, 0.2);
}

.optional-toggle {
    width: 100%;
    padding: clamp(15px, 3vw, 20px) clamp(18px, 3.5vw, 25px);
    background: transparent;
    border: none;
    border-bottom: 2px solid rgba(224, 224, 224, 0.5);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: clamp(15px, 2.5vw, 18px);
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.optional-toggle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--purple-gradient);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.3s ease;
}

.optional-toggle:hover {
    background: rgba(108, 94, 252, 0.05);
    color: var(--purple-primary);
    padding-left: clamp(25px, 4vw, 30px);
}

.optional-toggle:hover::before {
    transform: scaleY(1);
}

.optional-toggle.active {
    border-bottom-color: var(--purple-primary);
    color: var(--purple-primary);
    background: rgba(108, 94, 252, 0.08);
}

.optional-toggle.active::before {
    transform: scaleY(1);
}

.optional-toggle.active .optional-arrow {
    transform: rotate(180deg);
    color: var(--purple-primary);
}

.optional-icon {
    margin-right: clamp(8px, 1.5vw, 12px);
    font-size: clamp(18px, 3vw, 22px);
    transition: var(--transition);
}

.optional-toggle:hover .optional-icon {
    transform: scale(1.1) rotate(5deg);
}

.optional-text {
    flex: 1;
    text-align: left;
    letter-spacing: 0.3px;
}

.optional-arrow {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: clamp(12px, 2vw, 16px);
    color: var(--text-secondary);
}

.optional-content {
    padding: clamp(20px, 4vw, 30px);
    background: white;
    animation: slideDown 0.4s ease-out;
}

.optional-note {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1) 0%, rgba(33, 150, 243, 0.05) 100%);
    border-left: 4px solid #2196f3;
    padding: clamp(12px, 2.5vw, 18px) clamp(15px, 3vw, 20px);
    margin-bottom: clamp(15px, 3vw, 25px);
    border-radius: var(--border-radius-sm);
    font-size: clamp(13px, 2.5vw, 15px);
    color: #1976d2;
    line-height: 1.6;
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.1);
    transition: var(--transition);
}

.optional-note:hover {
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.15);
    transform: translateX(4px);
}

/* Область загрузки файлов */
.file-upload-area {
    border: 3px dashed rgba(108, 94, 252, 0.3);
    border-radius: var(--border-radius-sm);
    padding: clamp(40px, 6vw, 60px) clamp(30px, 5vw, 50px);
    text-align: center;
    background: linear-gradient(135deg, rgba(108, 94, 252, 0.05) 0%, rgba(255, 255, 255, 0.95) 100%);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: block;
    box-shadow: var(--shadow-sm);
    margin: clamp(15px, 2.5vw, 25px) 0;
}

.file-upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(108, 94, 252, 0.1), transparent);
    transition: left 0.6s ease;
}

.file-upload-area:hover::before {
    left: 100%;
}

.file-upload-area:hover {
    border-color: var(--purple-primary);
    background: linear-gradient(135deg, rgba(108, 94, 252, 0.1) 0%, rgba(255, 255, 255, 1) 100%);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.file-upload-area.drag-over {
    border-color: #10b981;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(255, 255, 255, 1) 100%);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.file-upload-icon {
    font-size: clamp(48px, 8vw, 64px);
    display: block;
    margin-bottom: clamp(15px, 3vw, 20px);
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(108, 94, 252, 0.2));
}

.file-upload-text {
    font-size: clamp(18px, 3.5vw, 24px);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: clamp(10px, 2vw, 15px);
    letter-spacing: -0.02em;
}

.file-upload-hint {
    font-size: clamp(13px, 2.5vw, 15px);
    color: var(--text-secondary);
    margin-bottom: clamp(15px, 3vw, 20px);
    line-height: 1.6;
}

.file-upload-button {
    display: inline-block;
    padding: clamp(12px, 2.5vw, 16px) clamp(24px, 4vw, 32px);
    background: var(--purple-gradient);
    color: white;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: clamp(10px, 2vw, 15px);
    pointer-events: auto;
    position: relative;
    z-index: 10;
    box-shadow: var(--shadow-sm);
    font-size: clamp(14px, 2.5vw, 16px);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.file-upload-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--purple-gradient-light);
}

.file-upload-button:active {
    transform: translateY(-1px) scale(1.02);
}

/* Информация о файле */
.file-info {
    margin-top: clamp(20px, 3vw, 30px);
    padding: clamp(18px, 3vw, 25px);
    background: linear-gradient(135deg, rgba(108, 94, 252, 0.1) 0%, rgba(255, 255, 255, 0.95) 100%);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-sm);
    border: 2px solid rgba(108, 94, 252, 0.2);
    display: none;
    animation: slideDown 0.4s ease-out;
    box-shadow: var(--shadow-sm);
}

.file-info.show {
    display: block;
}

.file-info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(10px, 2vw, 15px) 0;
    border-bottom: 1px solid rgba(108, 94, 252, 0.1);
    transition: var(--transition-fast);
    gap: clamp(10px, 2vw, 15px);
}

.file-info-item:hover {
    background: rgba(108, 94, 252, 0.05);
    padding-left: clamp(10px, 2vw, 15px);
    border-radius: 8px;
}

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

.file-name {
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
    margin-right: clamp(10px, 2vw, 15px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: clamp(14px, 2.5vw, 16px);
}

.file-size {
    color: var(--text-secondary);
    font-size: clamp(12px, 2vw, 14px);
    font-weight: 600;
    white-space: nowrap;
}

.file-remove {
    background: linear-gradient(135deg, #f44336 0%, #e53935 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    padding: clamp(6px, 1.5vw, 10px) clamp(12px, 2.5vw, 18px);
    cursor: pointer;
    font-size: clamp(12px, 2vw, 14px);
    font-weight: 700;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.file-remove:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
    background: #d32f2f;
}

.file-remove:active {
    transform: translateY(0) scale(0.98);
}

.form-section {
    margin-bottom: 45px;
    padding-bottom: 45px;
    border-bottom: 2px solid rgba(108, 94, 252, 0.1);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h2 {
    font-size: 1.8em;
    margin-bottom: 30px;
    color: var(--text-primary);
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 15px;
    letter-spacing: -0.01em;
}

.form-section h2::before {
    content: '';
    width: 6px;
    height: 30px;
    background: var(--purple-gradient);
    border-radius: 3px;
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 12px;
    font-weight: 700;
    color: var(--text-primary);
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="url"],
.form-group input[type="email"],
.form-group input[type="file"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid rgba(108, 94, 252, 0.2);
    border-radius: var(--border-radius-sm);
    font-size: 16px;
    font-family: inherit;
    transition: all 0.2s ease;
    background: white;
    font-weight: 500;
    color: var(--text-primary);
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    vertical-align: middle;
    line-height: 1.5;
}

.form-group input[type="text"]:focus,
.form-group input[type="number"]:focus,
.form-group input[type="date"]:focus,
.form-group input[type="url"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--purple-primary);
    box-shadow: 0 0 0 3px rgba(108, 94, 252, 0.1);
    background: white;
}

/* Специальные стили для input[type="date"] */
.form-group input[type="date"] {
    position: relative;
}

.form-group input[type="date"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.form-group input[type="date"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.form-hint {
    display: block;
    margin-top: 10px;
    font-size: 0.9em;
    color: var(--text-secondary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(20px, 3vw, 30px);
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.form-actions {
    display: flex;
    gap: 20px;
    margin-top: 50px;
}

.upload-status {
    margin-top: 30px;
    padding: 25px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    animation: slideDown 0.4s ease-out;
}

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

.status-loading {
    background: rgba(108, 94, 252, 0.15);
    color: var(--purple-primary);
    border: 2px solid rgba(108, 94, 252, 0.3);
}

.status-success {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    font-weight: 700;
    border: 2px solid rgba(16, 185, 129, 0.3);
}

.status-error {
    background: rgba(244, 67, 54, 0.15);
    color: #f44336;
    font-weight: 700;
    border: 2px solid rgba(244, 67, 54, 0.3);
}

/* ========== ПРОГРЕСС БАР ========== */
.upload-progress {
    margin-top: 25px;
    display: none;
}

.upload-progress.show {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: var(--purple-gradient);
    transition: width 0.3s ease-out;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(108, 94, 252, 0.5);
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 1.5s infinite;
}

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

/* ========== МОДАЛЬНОЕ ОКНО РЕДАКТИРОВАНИЯ ========== */
.edit-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 15, 35, 0.85);
    backdrop-filter: blur(15px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease-out;
}

.edit-modal {
    background: var(--card-bg);
    backdrop-filter: blur(30px);
    border-radius: var(--border-radius);
    max-width: 700px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    border: 2px solid rgba(108, 94, 252, 0.3);
    animation: modalSlideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.edit-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 35px;
    border-bottom: 2px solid rgba(108, 94, 252, 0.1);
    position: relative;
}

.edit-modal-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--purple-gradient);
}

.edit-modal-header h2 {
    margin: 0;
    font-size: 2em;
    font-weight: 900;
    background: var(--purple-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.close-btn {
    background: rgba(108, 94, 252, 0.1);
    border: none;
    font-size: 32px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    width: 40px;
    height: 40px;
    line-height: 40px;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: rgba(244, 67, 54, 0.1);
    color: #f44336;
    transform: rotate(90deg) scale(1.1);
}

/* ========== АДАПТИВНОСТЬ ========== */
@media (max-width: 1024px) {
    .model-view-content {
        grid-template-columns: 1fr;
    }
    
    .model-info-section {
        position: static;
    }
}

@media (max-width: 768px) {
    .models-3d-container,
    .model-view-container,
    .upload-container {
        padding: clamp(20px, 4vw, 30px) clamp(15px, 3vw, 25px);
    }
    
    .models-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 25px;
    }
    
    .filters-form {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .model-viewer {
        height: 450px;
    }
    
    .viewer-controls {
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .model-actions {
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .upload-form {
        padding: clamp(25px, 5vw, 35px) clamp(20px, 4vw, 25px);
    }
    
    .upload-header {
        padding: clamp(20px, 4vw, 30px);
        margin-bottom: clamp(30px, 5vw, 60px);
    }
    
    .upload-header h1 {
        font-size: clamp(2rem, 8vw, 3rem);
        margin-bottom: 15px;
    }
    
    .upload-header .subtitle {
        font-size: clamp(1rem, 3vw, 1.3rem);
    }
    
    .form-group {
        margin-bottom: clamp(20px, 3vw, 30px);
    }
    
    .form-group label {
        font-size: clamp(13px, 2.5vw, 15px);
        margin-bottom: clamp(8px, 1.5vw, 12px);
    }
    
    .form-group input[type="text"],
    .form-group input[type="number"],
    .form-group input[type="file"],
    .form-group textarea,
    .form-group select {
        padding: clamp(12px, 2.5vw, 16px) clamp(16px, 3vw, 22px);
        font-size: clamp(14px, 3vw, 16px);
    }
    
    .form-actions {
        flex-direction: column;
        gap: 15px;
        margin-top: clamp(30px, 5vw, 50px);
    }
    
    .btn-upload,
    .btn-primary,
    .btn-secondary {
        width: 100%;
        padding: clamp(14px, 3vw, 16px) clamp(24px, 5vw, 32px);
        font-size: clamp(14px, 3vw, 16px);
    }
}

@media (max-width: 480px) {
    .models-grid {
        grid-template-columns: 1fr;
    }
    
    .upload-form {
        padding: clamp(20px, 4vw, 25px) clamp(15px, 3vw, 20px);
        border-radius: clamp(16px, 3vw, 24px);
    }
    
    .upload-container {
        padding: 15px 10px;
    }
    
    .upload-header {
        padding: 20px 15px;
        border-radius: clamp(16px, 3vw, 24px);
    }
    
    .form-section-essential,
    .form-section-optional {
        padding: clamp(20px, 4vw, 30px) clamp(15px, 3vw, 20px);
        border-radius: clamp(12px, 2.5vw, 16px);
    }
    
    .file-upload-area {
        padding: clamp(30px, 6vw, 50px) clamp(20px, 4vw, 40px);
        border-radius: clamp(12px, 2.5vw, 16px);
    }
    
    .file-upload-text {
        font-size: clamp(16px, 4vw, 20px);
    }
    
    .file-upload-hint {
        font-size: clamp(12px, 2.5vw, 14px);
    }
    
    .optional-toggle {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .optional-content {
        padding: 15px;
    }
    
    .form-group input[type="text"],
    .form-group input[type="number"],
    .form-group textarea,
    .form-group select {
        padding: 12px 16px;
        font-size: 14px;
    }
}

/* Адаптивные стили для превью контейнера */
#model-preview-container {
    margin-top: clamp(15px, 3vw, 25px);
}

#model-preview-viewer {
    height: clamp(300px, 50vw, 500px) !important;
    border-radius: clamp(8px, 1.5vw, 12px) !important;
}

/* Адаптивные стили для чекбоксов и радиокнопок */
.checkbox-label,
.radio-label {
    display: flex;
    align-items: center;
    gap: clamp(8px, 1.5vw, 12px);
    cursor: pointer;
    padding: clamp(10px, 2vw, 15px);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    font-size: clamp(14px, 2.5vw, 16px);
}

.checkbox-label:hover,
.radio-label:hover {
    background: rgba(108, 94, 252, 0.05);
}

.checkbox-label input[type="checkbox"],
.radio-label input[type="radio"] {
    width: clamp(18px, 3vw, 22px);
    height: clamp(18px, 3vw, 22px);
    cursor: pointer;
    accent-color: var(--purple-primary);
}

/* Адаптивные стили для back-link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: clamp(6px, 1.5vw, 10px);
    margin-top: clamp(15px, 3vw, 25px);
    padding: clamp(10px, 2vw, 14px) clamp(18px, 3.5vw, 24px);
    background: white;
    color: var(--purple-primary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: clamp(13px, 2.5vw, 15px);
    transition: var(--transition);
    border: 2px solid rgba(108, 94, 252, 0.2);
    box-shadow: var(--shadow-sm);
}

.back-link:hover {
    background: var(--purple-gradient);
    color: white;
    transform: translateX(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

/* ========== АНИМАЦИИ ========== */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--purple-gradient);
    border-radius: 10px;
    border: 2px solid #f1f1f1;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--purple-gradient-dark);
}

/* ========== ДОПОЛНИТЕЛЬНЫЕ ЭФФЕКТЫ ========== */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}