/* MyLibrary - Premium Media Library Styles */

/* ===== CSS Variables ===== */
:root {
    --library-toolbar-height: 56px;
    --library-item-size: 200px;
    --library-item-gap: 1px;
    --library-search-width: 300px;
}

/* ===== Main Container ===== */
.library-page {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

.library-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 56px); /* Viewport height minus header */
    background: var(--bg-primary);
    overflow: hidden;
}

/* ===== Toolbar ===== */
.library-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--library-toolbar-height);
    padding: 0 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    gap: 12px;
}

.library-toolbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.library-toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* ===== Folder Dropdown ===== */
.library-folder-dropdown {
    position: relative;
}

.library-folder-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    max-width: 200px;
}

.library-folder-toggle:hover {
    background: var(--bg-tertiary);
}

.library-folder-toggle .material-icons-outlined {
    font-size: 20px;
    color: var(--text-secondary);
}

.library-folder-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.library-folder-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    min-width: 220px;
    max-width: 300px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.library-folder-menu.show {
    display: block;
}

.library-folder-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 14px;
}

.library-folder-item:hover {
    background: var(--bg-tertiary);
}

.library-folder-item.active {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

.library-folder-item .material-icons-outlined {
    font-size: 18px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.library-folder-item.active .material-icons-outlined {
    color: var(--accent-primary);
}

.library-folder-item-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.library-folder-item-count {
    font-size: 12px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.library-folder-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

/* ===== Search Bar ===== */
.library-search {
    position: relative;
    display: flex;
    align-items: center;
    width: var(--library-search-width);
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid transparent;
}

.library-search:focus-within {
    border-color: var(--accent-primary);
}

.library-search-icon {
    position: absolute;
    left: 12px;
    color: var(--text-secondary);
    font-size: 20px;
    pointer-events: none;
}

.library-search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 10px 12px 10px 40px;
    color: var(--text-primary);
    font-size: 14px;
    width: 100%;
}

.library-search-input::placeholder {
    color: var(--text-tertiary);
}

.library-search-clear {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.library-search-clear:hover {
    color: var(--text-primary);
}

.library-search-clear .material-icons-outlined {
    font-size: 18px;
}

/* ===== Selection Info ===== */
.library-selection-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.library-selection-count {
    padding: 4px 10px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
}

.library-selection-clear {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    padding: 4px 10px;
}

.library-selection-clear:hover {
    color: var(--text-primary);
    border-color: var(--text-tertiary);
}

/* ===== Select Mode Button ===== */
.library-select-mode-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.library-select-mode-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-tertiary);
}

.library-select-mode-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.library-select-mode-btn .material-icons-outlined {
    font-size: 20px;
}

/* ===== Action Buttons ===== */
.library-action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
}

.library-action-btn .material-icons-outlined {
    font-size: 18px;
}

.library-action-btn.secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.library-action-btn.secondary:hover {
    background: var(--bg-secondary);
}

.library-action-btn.danger {
    background: var(--danger);
    color: white;
}

.library-action-btn.danger:hover {
    background: #c0392b;
}

.library-action-btn.primary {
    background: var(--accent-primary);
    color: white;
}

.library-action-btn.primary:hover {
    background: var(--accent-hover);
}

/* ===== Grid Container ===== */
.library-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px;
    min-height: 0;
}

.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(var(--library-item-size), 1fr));
    gap: var(--library-item-gap);
    align-content: start;
}

/* ===== Grid Items ===== */
.library-item {
    position: relative;
    aspect-ratio: 1;
    background: var(--bg-secondary);
    overflow: hidden;
    cursor: pointer;
}

.library-item.selected {
    outline: 3px solid var(--accent-primary);
    outline-offset: -3px;
}

.library-item-media {
    width: 100%;
    height: 100%;
}

.library-item-media img,
.library-item-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Checkbox - Hidden by default, shown in select mode */
.library-item-checkbox {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 3;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 4px;
    padding: 2px;
    line-height: 0;
    display: none;
}

.library-container.select-mode .library-item-checkbox {
    display: block;
}

.library-item-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--accent-primary);
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 4px;
    margin: 0;
    display: block;
}

.library-item-checkbox input[type="checkbox"]:checked {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.library-item-checkbox input[type="checkbox"]:checked::after {
    content: '\2713';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.library-item-checkbox input[type="checkbox"]:hover {
    border-color: var(--accent-primary);
}

/* Overlay Actions */
.library-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 8px;
    opacity: 0;
    z-index: 2;
}

.library-item:hover .library-item-overlay {
    opacity: 1;
}

/* Touch devices - hide overlay buttons (too cluttered) */
@media (hover: none), (pointer: coarse) {
    .library-item-overlay {
        display: none;
    }
}

/* Select mode - hide overlay buttons */
.library-container.select-mode .library-item-overlay {
    display: none;
}

.library-item-action {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.library-item-action:hover {
    background: rgba(0, 0, 0, 0.9);
    border-color: rgba(255, 255, 255, 0.4);
}

.library-item-action .material-icons-outlined {
    font-size: 18px;
}

/* Media Badges */
.library-item-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--accent-primary);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    z-index: 2;
    text-transform: uppercase;
}

.library-item-note-badge {
    position: absolute;
    bottom: 8px;
    left: 8px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--warning);
    padding: 4px;
    border-radius: 4px;
    z-index: 2;
    line-height: 0;
}

.library-item-note-badge .material-icons-outlined {
    font-size: 16px;
}

/* ===== Loading States ===== */
.library-loading {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 32px;
    color: var(--text-secondary);
}

.library-loading-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: library-spin 0.8s linear infinite;
}

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

.library-load-trigger {
    grid-column: 1 / -1;
    height: 1px;
}

/* Skeleton Loading */
.library-skeleton {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.library-skeleton::after {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent);
    animation: library-shimmer 1.5s infinite;
}

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

/* ===== Empty State ===== */
.library-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    text-align: center;
}

.library-empty .material-icons-outlined {
    font-size: 64px;
    color: var(--text-tertiary);
    margin-bottom: 16px;
}

.library-empty h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.library-empty p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ===== Error State ===== */
.library-error {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    text-align: center;
}

.library-error .material-icons-outlined {
    font-size: 64px;
    color: var(--danger);
    margin-bottom: 16px;
}

/* ===== Download Modal ===== */
.library-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.library-modal {
    background: var(--bg-secondary);
    border-radius: 12px;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.library-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.library-modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.library-modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.library-modal-close:hover {
    color: var(--text-primary);
}

.library-modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.library-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

/* Download Modal Specific */
.library-download-summary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: 20px;
}

.library-download-summary .material-icons-outlined {
    font-size: 24px;
    color: var(--accent-primary);
}

.library-download-summary span {
    color: var(--text-primary);
    font-size: 14px;
}

.library-download-section {
    margin-bottom: 20px;
}

.library-download-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.library-format-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.library-format-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
}

.library-format-option:hover {
    background: var(--bg-primary);
}

.library-format-option.selected {
    border-color: var(--accent-primary);
    background: var(--accent-light);
}

.library-format-option input[type="radio"] {
    margin-top: 2px;
    accent-color: var(--accent-primary);
}

.library-format-label {
    flex: 1;
}

.library-format-label strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.library-format-label small {
    color: var(--text-secondary);
    font-size: 12px;
}

/* Download Progress */
.library-download-progress {
    margin-top: 20px;
}

.library-progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.library-progress-fill {
    height: 100%;
    background: var(--accent-primary);
    width: 0%;
}

.library-progress-text {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
}

/* ===== Folder Modal ===== */
.library-folder-modal {
    max-width: 400px;
}

.library-folder-modal-search {
    position: relative;
    margin-bottom: 16px;
}

.library-folder-modal-search input {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 12px 10px 40px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
}

.library-folder-modal-search input:focus {
    border-color: var(--accent-primary);
}

.library-folder-modal-search .material-icons-outlined {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 20px;
}

.library-folder-modal-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.library-folder-modal-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
}

.library-folder-modal-item:last-child {
    border-bottom: none;
}

.library-folder-modal-item:hover {
    background: var(--bg-tertiary);
}

.library-folder-modal-item.selected {
    background: var(--accent-light);
}

.library-folder-modal-item.current {
    opacity: 0.5;
    pointer-events: none;
}

.library-folder-modal-item .material-icons-outlined {
    font-size: 20px;
    color: var(--text-secondary);
}

.library-folder-modal-item-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
}

.library-folder-modal-item-count {
    font-size: 12px;
    color: var(--text-secondary);
}

.library-folder-modal-empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-secondary);
}

.library-folder-modal-empty .material-icons-outlined {
    font-size: 48px;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

/* Create Folder Input */
.library-create-folder {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.library-create-folder input {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
}

.library-create-folder input:focus {
    border-color: var(--accent-primary);
}

/* ===== Responsive Styles ===== */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --library-item-size: 180px;
        --library-search-width: 250px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --library-item-size: 150px;
        --library-toolbar-height: auto;
    }

    .library-toolbar {
        flex-wrap: wrap;
        padding: 12px;
        gap: 10px;
    }

    .library-search {
        width: 100%;
        order: -1;
    }

    .library-toolbar-left {
        flex: 1;
        min-width: 0;
    }

    .library-folder-toggle {
        max-width: none;
    }

    .library-toolbar-right {
        flex-shrink: 0;
    }

    /* When selection is active, wrap action buttons to own row */
    .library-toolbar.has-selection .library-toolbar-right {
        flex-basis: 100%;
        justify-content: flex-end;
        display: flex;
        gap: 8px;
    }

    .library-content {
        padding: 8px;
    }

    .library-grid {
        gap: 1px;
    }

    /* Larger touch targets */
    .library-item-action {
        width: 36px;
        height: 36px;
    }

    .library-item-checkbox input[type="checkbox"] {
        width: 24px;
        height: 24px;
    }

    .library-action-btn {
        padding: 8px 10px;
    }

    .library-action-btn span:not(.material-icons-outlined) {
        display: none;
    }

    /* Modal adjustments */
    .library-modal {
        max-width: none;
        margin: 10px;
        max-height: calc(100vh - 20px);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --library-item-size: 110px;
    }

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

    .library-item-action {
        width: 32px;
        height: 32px;
    }

    .library-item-action .material-icons-outlined {
        font-size: 16px;
    }

    /* Keep toolbar items on same row */
    .library-toolbar-left {
        flex: 1;
    }

    .library-toolbar-right {
        flex-shrink: 0;
    }
}

/* ===== Focus States ===== */
.library-action-btn:focus-visible,
.library-select-mode-btn:focus-visible,
.library-folder-toggle:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}