/* Photos timeline view */
.photos-container {
    padding: 0;
    display: none;
}

.photos-container.active {
    display: block;
}

/* Toolbar with group mode toggle */
.photos-toolbar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: var(--space-2) var(--space-2) var(--space-1);
}

/* Toggle buttons — wider for text labels */
.photos-toolbar .toggle-btn {
    width: auto;
    padding: 0 var(--space-3-5);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
}

/* Group header */
.photos-day-header {
    padding: var(--space-4) var(--space-2) var(--space-2-5);
    font-size: 15px;
    font-weight: var(--weight-semibold);
    color: var(--color-text);
}

.photos-day-header .photos-day-count {
    font-weight: var(--weight-normal);
    color: var(--color-text-faint);
    font-size: var(--text-sm);
    margin-left: var(--space-2);
}

/* Photo grid — base (daily mode) */
.photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-3);
    padding: 0 var(--space-2);
    margin-bottom: var(--space-4);
}

/* Monthly mode — larger tiles, more breathing room */
.photos-group-monthly .photos-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-3-5);
}

.photos-group-monthly .photos-day-header {
    font-size: 17px;
    padding: var(--space-5) var(--space-2) var(--space-3);
}

/* Yearly mode — smaller tiles, more items visible */
.photos-group-yearly .photos-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--space-2-5);
}

.photos-group-yearly .photos-day-header {
    font-size: var(--text-xl);
    padding: var(--space-6) var(--space-2) var(--space-3-5);
}

/* Individual photo tile */
.photo-tile {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--radius-2xl);
    border: 2px solid var(--color-border);
    cursor: pointer;
    background: var(--color-bg-muted);
    box-shadow: 0 1px 3px var(--color-shadow-xs);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        border-color 0.2s ease;
}

.photo-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
    opacity: 0;
    transition:
        opacity 0.4s ease,
        transform 0.2s ease;
}

.photo-tile img.is-loaded {
    opacity: 1;
}

.photo-tile:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--color-shadow-sm);
    border-color: var(--color-border-medium);
}

.photo-tile:hover img {
    transform: scale(1.03);
}

/* Selection checkbox */
.photo-tile .photo-check {
    position: absolute;
    top: 6px;
    left: 6px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--color-photo-check-border);
    background: var(--color-shadow-2xl);
    opacity: 0;
    transition: opacity 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-danger-text);
    font-size: var(--text-2xs);
    z-index: 2;
}

.photo-tile:hover .photo-check,
.photo-tile.selected .photo-check {
    opacity: 1;
}

.photo-tile.selected .photo-check {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.photo-tile.selected {
    border-color: var(--color-accent);
    background: var(--color-item-selected);
    box-shadow:
        0 0 0 1px var(--color-accent-ring-dark),
        0 4px 12px var(--color-accent-ring);
}

.photo-tile.selected img {
    transform: scale(0.95);
}

/* Video badge */
.photo-tile .video-badge {
    position: absolute;
    bottom: 6px;
    right: 6px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-overlay-video);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-danger-text);
    font-size: var(--text-xs);
    z-index: 2;
}

/* Duration badge for videos */
.photo-tile .video-duration {
    position: absolute;
    bottom: 6px;
    left: 6px;
    font-size: var(--text-2xs);
    color: var(--color-danger-text);
    background: var(--color-overlay-video);
    padding: var(--space-0-5) var(--space-1-5);
    border-radius: var(--radius-sm);
    z-index: 2;
}

/* Empty state */
.photos-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-20) var(--space-5);
    text-align: center;
    color: var(--color-text-faint);
}

.photos-empty i {
    font-size: 56px;
    margin-bottom: var(--space-4);
    color: var(--color-border-medium);
}

.photos-empty p {
    margin: var(--space-1) 0;
    font-size: 15px;
}

.photos-empty .photos-empty-title {
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--color-text-subtle);
}

/* Infinite scroll sentinel */
.photos-sentinel {
    height: 1px;
    width: 100%;
}

/* Loading spinner */
.photos-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    color: var(--color-text-faint);
    font-size: var(--text-base);
    gap: var(--space-2);
}

.photos-loading i {
    animation: spin 1s linear infinite;
}

/* @keyframes spin → base/animations.css (canonical, loaded via main.css). */

/* Selection bar */
.photos-selection-bar {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-multiselect-bg);
    color: var(--color-multiselect-text);
    padding: var(--space-2-5) var(--space-5);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    box-shadow: 0 8px 30px var(--color-shadow-3xl);
    z-index: 1000;
    font-size: var(--text-base);
}

.photos-selection-bar button {
    background: none;
    border: none;
    color: var(--color-multiselect-text);
    cursor: pointer;
    padding: var(--space-1-5) var(--space-2-5);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    transition: background 0.15s;
}

.photos-selection-bar button:hover {
    background: var(--color-multiselect-action-hover);
}

.photos-selection-bar .selection-count {
    font-weight: var(--weight-semibold);
}

/* Responsive */
@media (max-width: 768px) {
    .photos-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: var(--space-0-5);
        padding: 0 var(--space-0-5);
        margin-bottom: var(--space-2);
    }

    .photos-group-monthly .photos-grid {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    }

    .photos-group-yearly .photos-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }

    .photo-tile .photo-check {
        opacity: 1;
    }

    .photos-day-header {
        font-size: var(--text-base);
        padding: var(--space-2-5) var(--space-1) var(--space-1-5);
    }

    .photos-toolbar {
        padding: var(--space-1-5) var(--space-1) var(--space-0-5);
    }
}