body {
    font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    margin-top: 20px;
    margin-bottom: 20px;
}

h1 {
    text-align: center;
    color: #5043c2;
    font-size: 2.5em;
    margin-bottom: 30px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    background: linear-gradient(45deg, #5e35b1, #3949ab);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    margin-bottom: 20px;
    cursor: pointer;
    border: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(92, 107, 192, 0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(92, 107, 192, 0.4);
    background: linear-gradient(45deg, #3949ab, #5e35b1);
}

.models-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin: 25px 0;
}

.model-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 2px solid #e8eaf6;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 80px;
    grid-template-areas:
        "content image"
        "button button";
}

.model-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: #5e35b1;
}

.model-content {
    grid-area: content;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.model-title {
    margin: 0 0 15px 0;
    color: #5043c2;
    font-size: 1.6em;
    font-weight: 700;
}

.model-description {
    color: #546e7a;
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 16px;
}

.no-description {
    color: #90a4ae;
    font-style: italic;
    margin-bottom: 15px;
}

.image-container {
    grid-area: image;
    width: 100%;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #ede7f6, #d1c4e9);
    padding: 15px;
}

.model-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.model-card:hover .model-image {
    transform: scale(1.05);
}

.no-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #7986cb;
    font-size: 16px;
    font-weight: 600;
}

.model-actions {
    grid-area: button;
    padding: 0 25px 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-top: 2px solid #f5f5f5;
}

.view-btn {
    background: linear-gradient(45deg, #5e35b1, #3949ab);
    color: white;
    border: none;
    padding: 12px 35px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(92, 107, 192, 0.3);
    font-size: 16px;
}

.view-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(92, 107, 192, 0.4);
    background: linear-gradient(45deg, #3949ab, #5e35b1);
}

/* Адаптивность для мобильных устройств */
@media (max-width: 768px) {
    .model-card {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        grid-template-areas:
            "image"
            "content"
            "button";
    }

    .image-container {
        height: 250px;
    }

    .model-content {
        padding: 20px;
    }

    .model-title {
        font-size: 1.4em;
        text-align: center;
    }

    .model-description, .no-description {
        text-align: center;
    }
}
.download-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    background: linear-gradient(45deg, #3949ab, #5e35b1);
    color: white;
    box-shadow: 0 3px 10px rgba(33, 150, 243, 0.3);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(33, 150, 243, 0.4);
}

.file-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}
.tabs {
    display: flex;
    margin-bottom: 25px;
    border-bottom: 3px solid #ede7f6;
    gap: 5px;
}

.tab-btn {
    padding: 12px 25px;
    background: #f5f5f5;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    border-radius: 10px 10px 0 0;
    transition: all 0.3s ease;
    color: #666;
}

.tab-btn.active {
    background: #5e35b1;
    color: white;
    box-shadow: 0 -4px 10px rgba(92, 107, 192, 0.2);
}

.loading {
    text-align: center;
    padding: 40px;
    color: #7986cb;
    font-size: 18px;
}

.error {
    color: #d32f2f;
    padding: 20px;
    background: #ffebee;
    border-radius: 12px;
    text-align: center;
    border: 2px solid #ffcdd2;
}

.success {
    color: #2e7d32;
    padding: 20px;
    background: #e8f5e8;
    border-radius: 12px;
    text-align: center;
    border: 2px solid #c8e6c9;
}

.info {
    color: #1565c0;
    padding: 20px;
    background: #e3f2fd;
    border-radius: 12px;
    text-align: center;
    border: 2px solid #bbdefb;
}

.error-message {
    padding: 25px;
    background: linear-gradient(135deg, #ffebee, #ffcdd2);
    border: 2px solid #ef5350;
    border-radius: 15px;
    color: #c62828;
    text-align: center;
}

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

.model-card {
    animation: fadeIn 0.6s ease-out;
}
.delete-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    background: linear-gradient(45deg, #3949ab, #5e35b1);
    color: white;
    box-shadow: 0 3px 10px rgba(33, 150, 243, 0.3);
}
.delete-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(33, 150, 243, 0.4);
}
.play-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    background: linear-gradient(45deg, #3949ab, #5e35b1);
    color: white;
    box-shadow: 0 3px 10px rgba(33, 150, 243, 0.3);
}
.play-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(33, 150, 243, 0.4);
}
.upload-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    background: linear-gradient(45deg, #3949ab, #5e35b1);
    color: white;
    box-shadow: 0 3px 10px rgba(33, 150, 243, 0.3);
}
.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(33, 150, 243, 0.4);
}
.admin-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 100;
    background: rgba(255,255,255,0.8);
    padding: 10px 15px;
    border-radius: 4px;
    color: #333;
    text-decoration: none;
    font-weight: bold;
}