/* OSS album - paper/ink style aligned with hexo-theme-shiro */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scrollbar-color: var(--scrollbar-thumb, rgba(43, 48, 54, 0.32)) #f5f6f7;
    scrollbar-width: thin;
}

body {
    font-family: var(--font-serif);
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ---------- nav ---------- */
.site-nav {
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.6rem 1.5rem 0.6rem;
    border-bottom: 1px solid var(--soft-border);
    flex-wrap: wrap;
}

.site-nav .brand {
    font-family: var(--font-title);
    font-size: 1.15rem;
    margin-right: 0.75rem;
    white-space: nowrap;
}

.site-nav a.link {
    font-size: 0.9rem;
    color: var(--ink);
    opacity: 0.72;
    transition: opacity 0.25s var(--ease-soft);
}

.site-nav a.link:hover {
    opacity: 1;
}

.site-nav a.link.active {
    color: var(--seal);
    opacity: 1;
}

/* ---------- layout ---------- */
.wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.2rem 1.5rem 3rem;
}

.gallery-head {
    display: flex;
    align-items: baseline;
    gap: 0.9rem;
    margin-bottom: 1.6rem;
}

.gallery-title {
    font-family: var(--font-title);
    font-size: 2.6rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.gallery-count {
    color: var(--muted);
    font-size: 0.95rem;
}

/* ---------- filter bar ---------- */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.8rem;
}

.filter-chip {
    font-family: var(--font-serif);
    font-size: 0.85rem;
    padding: 0.32rem 0.95rem;
    border-radius: 999px;
    border: 1px solid var(--soft-border);
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    transition: all 0.25s var(--ease-soft);
}

.filter-chip:hover {
    border-color: rgba(176, 23, 26, 0.35);
}

.filter-chip.active {
    background: var(--seal);
    border-color: var(--seal);
    color: #fff;
}

/* ---------- grid ---------- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.4rem;
}

.card {
    background: var(--paper);
    border: 1px solid var(--soft-border);
    border-radius: 10px;
    box-shadow: var(--shadow-paper);
    overflow: hidden;
    transition: transform 0.3s var(--ease-soft), box-shadow 0.3s var(--ease-soft);
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-ink);
}

.card-media {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    cursor: zoom-in;
    background: #f7f7f6;
}

.card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s var(--ease-soft);
}

.card:hover .card-media img {
    transform: scale(1.03);
}

.card-badge {
    position: absolute;
    top: 0.6rem;
    left: 0.6rem;
    font-size: 0.72rem;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.88);
    color: var(--ink);
    box-shadow: 0 1px 4px rgba(16, 24, 40, 0.12);
    display: none;
}

.card-badge.show {
    display: inline-block;
}

.card-name {
    padding: 0.55rem 0.9rem 0.65rem;
    font-size: 0.82rem;
    color: var(--ink);
    opacity: 0.78;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ---------- pagination ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.9rem;
    margin-top: 2.2rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.pagination button {
    font-family: var(--font-serif);
    font-size: 0.85rem;
    padding: 0.35rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--soft-border);
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    transition: all 0.25s var(--ease-soft);
}

.pagination button:hover:not(:disabled) {
    border-color: var(--seal);
    color: var(--seal);
}

.pagination button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* ---------- lightbox ---------- */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(15, 17, 20, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.lightbox[hidden] {
    display: none;
}

.lightbox-stage {
    max-width: 92vw;
    max-height: 86vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-stage img {
    max-width: 92vw;
    max-height: 72vh;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-meta {
    margin-top: 1rem;
    text-align: center;
    color: #e6e4df;
    font-size: 0.9rem;
    max-width: 92vw;
}

.lightbox-meta .meta-name {
    font-family: var(--font-serif);
    display: block;
    margin-bottom: 0.2rem;
}

.lightbox-meta .meta-sub {
    display: block;
    color: rgba(230, 228, 223, 0.6);
    font-size: 0.8rem;
    margin-bottom: 0.7rem;
}

.meta-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.meta-actions input {
    font-family: var(--font-serif);
    font-size: 0.82rem;
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    width: 180px;
}

.meta-actions button {
    font-family: var(--font-serif);
    font-size: 0.82rem;
    padding: 0.3rem 0.9rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: transparent;
    color: #e6e4df;
    cursor: pointer;
    transition: all 0.25s var(--ease-soft);
}

.meta-actions button:hover {
    border-color: #fff;
    color: #fff;
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1.4rem;
    font-size: 1.9rem;
    line-height: 1;
    color: rgba(255, 255, 255, 0.75);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color 0.25s var(--ease-soft);
}

.lightbox-close:hover {
    color: #fff;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3rem;
    height: 3rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-size: 1.6rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s var(--ease-soft);
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.16);
}

.lightbox-nav.prev {
    left: 1.2rem;
}

.lightbox-nav.next {
    right: 1.2rem;
}

.lightbox-hint {
    position: absolute;
    bottom: 1.2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
}

/* ---------- footer ---------- */
.site-footer {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.4rem 1.5rem 2.4rem;
    text-align: center;
    font-size: 0.78rem;
    color: var(--muted);
    border-top: 1px solid var(--soft-border);
}

.site-footer a:hover {
    text-decoration: underline;
}

.site-footer .beian-line {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.site-footer img {
    width: 14px;
    height: 14px;
    vertical-align: text-bottom;
}

/* ---------- responsive ---------- */
@media (max-width: 640px) {
    .gallery-title {
        font-size: 2rem;
    }

    .grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 0.9rem;
    }

    .site-nav {
        gap: 0.9rem;
    }

    .lightbox-nav {
        width: 2.4rem;
        height: 2.4rem;
        font-size: 1.2rem;
    }
}