/* Storage Manager Component Styles */

/* ========== АНИМАЦИИ ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.storage-manager-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.storage-manager-header {
    padding: var(--spacing-lg);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.storage-manager-header h2 {
    margin: 0;
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.storage-quota-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.quota-bar {
    width: min(200px, 100%);
    height: clamp(6px, 1vh, 10px);
    background: var(--background);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.quota-bar-fill {
    height: 100%;
    background: var(--accent);
    transition: width 0.3s ease;
}

.quota-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.storage-manager-toolbar {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: var(--spacing-md);
}

.storage-files-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.storage-file-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: var(--spacing-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, box-shadow;
    animation: fadeInUp 0.3s ease-out;
    animation-fill-mode: both;
    box-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.05),
        0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Stagger animation */
.storage-file-item:nth-child(1) { animation-delay: 0.05s; }
.storage-file-item:nth-child(2) { animation-delay: 0.1s; }
.storage-file-item:nth-child(3) { animation-delay: 0.15s; }
.storage-file-item:nth-child(4) { animation-delay: 0.2s; }
.storage-file-item:nth-child(5) { animation-delay: 0.25s; }

.storage-file-item:hover {
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.08),
        0 8px 24px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.storage-file-item:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.file-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    border-radius: 8px;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 2px 4px rgba(52, 152, 219, 0.3);
}

.file-info {
    flex: 1;
}

.file-name {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.file-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.file-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    min-height: 300px;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-disabled);
    opacity: 0.5;
    animation: float 3s ease-in-out infinite;
}

.empty-state-title {
    font-size: clamp(1.25rem, 4vw, 1.5rem);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.empty-state-description {
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0;
}

.empty-state-action {
    margin-top: var(--spacing-md);
}

/* Badge для статусов */
.file-status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.file-status-badge.uploaded {
    background: linear-gradient(135deg, var(--success) 0%, #2ecc71 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(46, 204, 113, 0.3);
}

.file-status-badge.uploading {
    background: linear-gradient(135deg, var(--warning) 0%, #f39c12 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(243, 156, 18, 0.3);
}

/* ========== ERROR STATES ========== */
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    min-height: 300px;
}

.error-state-icon {
    font-size: 4rem;
    color: var(--error);
    opacity: 0.7;
}

.error-state-title {
    font-size: clamp(1.25rem, 4vw, 1.5rem);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.error-state-description {
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0;
}

.error-state-action {
    margin-top: var(--spacing-md);
}

/* ========== МОБИЛЬНАЯ АДАПТИВНОСТЬ ========== */

/* Mobile (default, до 480px) */
.storage-manager-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.storage-quota-info {
    width: 100%;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.quota-bar {
    width: 100%;
    max-width: none;
}

.storage-manager-toolbar {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.storage-manager-toolbar .btn {
    flex: 1;
    min-width: min(150px, 100%);
    min-height: 44px;
    touch-action: manipulation;
}

.storage-file-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.file-actions {
    width: 100%;
    justify-content: flex-end;
}

.file-actions .btn-icon {
    min-width: 44px;
    min-height: 44px;
    touch-action: manipulation;
}

/* Small tablets (480px+) */
@media (min-width: 480px) {
    .storage-manager-header {
        flex-direction: row;
        align-items: center;
    }
    
    .storage-quota-info {
        flex-direction: row;
        width: auto;
    }
    
    .quota-bar {
        width: min(200px, 100%);
    }
    
    .storage-file-item {
        flex-direction: row;
        align-items: center;
    }
    
    .file-actions {
        width: auto;
    }
}

/* Tablets (768px+) */
@media (min-width: 768px) {
    .storage-manager-toolbar .btn {
        flex: 0 1 auto;
        min-width: auto;
        min-height: 36px;
    }
    
    .file-actions .btn-icon {
        min-width: 36px;
        min-height: 36px;
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .storage-files-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .storage-file-item {
        margin-bottom: 0;
    }
}

/* Large desktop (1440px+) */
@media (min-width: 1440px) {
    .storage-files-list {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
}

/* ========== SKELETON SCREENS ========== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--surface) 0%,
        var(--surface-hover) 50%,
        var(--surface) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 4px;
}

.skeleton-file-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
}

.skeleton-file-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
}

.skeleton-file-info {
    flex: 1;
}

.skeleton-file-name {
    height: 1.2em;
    margin-bottom: var(--spacing-xs);
    width: 60%;
}

.skeleton-file-meta {
    height: 1em;
    width: 40%;
}