:root {
    --bg: #0a0d15;
    --bg-elevated: #111827;
    --border-subtle: #222c3f;
    --accent: #ffb347;
    --accent-soft: rgba(255, 179, 71, 0.18);
    --text: #f7f9ff;
    --text-muted: #a8b4c8;
    --chip-bg: #151d2b;
    --chip-active-bg: #ffb347;
    --chip-active-text: #0d1420;
    --chip-active-dot: #0d1420;
    --page-bg: linear-gradient(180deg, #0f1522 0%, #0a0f19 100%);
    --panel-bg: linear-gradient(135deg, rgba(19, 27, 44, 0.95), rgba(19, 27, 44, 0.72));
    --card-bg: radial-gradient(circle at top left, #151d2b, #0b101a);
    --card-border: rgba(28, 38, 56, 0.95);
    --card-border-hover: rgba(168, 184, 214, 0.5);
    --image-bg: #0b101a;
    --pill-border: rgba(168, 184, 214, 0.35);
    --pill-bg: rgba(19, 27, 44, 0.9);
    --lightbox-backdrop: rgba(0, 0, 0, 0.86);
    --lightbox-frame: #0c111b;
    --lightbox-border: rgba(168, 184, 214, 0.35);
    --lightbox-text: #f7f9ff;
    --lightbox-muted: #d3ddef;
    --button-bg: rgba(19, 27, 44, 0.92);
    --button-border: rgba(168, 184, 214, 0.45);
    --button-hover-bg: rgba(19, 27, 44, 1);
    --button-hover-border: var(--accent);
    --button-hover-text: var(--accent);
    --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.45);
    --radius-card: 18px;
    --radius-pill: 999px;
    --transition-fast: 0.16s ease-out;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--page-bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.no-scroll,
:root.no-scroll {
    overflow: hidden;
}

body.no-scroll {
    position: fixed;
    width: 100%;
}

.back-link {
    position: fixed;
    top: 16px;
    left: 16px;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--button-border);
    background: var(--button-bg);
    box-shadow: var(--shadow-soft);
    color: inherit;
    text-decoration: none;
    font-size: 1.1rem;
    z-index: 10;
    transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
}

.back-link svg {
    width: 18px;
    height: 18px;
}

.back-link:hover {
    border-color: var(--button-hover-border);
    color: var(--button-hover-text);
    background: var(--button-hover-bg);
    transform: translateY(-1px);
}

.page {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 24px 16px 48px;
}

header {
    margin-bottom: 18px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.header-text h1 {
    font-size: clamp(2.0rem, 2.6vw, 2.4rem);
    margin: 0 0 4px;
    letter-spacing: 0.03em;
}

.header-text p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 16px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.controls-left,
.controls-right {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.tag-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    padding: 4px 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--chip-bg);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.chip span.dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--accent);
    opacity: 0.9;
}

.chip:hover {
    border-color: var(--accent);
    color: var(--text);
    transform: translateY(-1px);
}

.chip.active {
    background: var(--chip-active-bg);
    color: var(--chip-active-text);
    border-color: transparent;
}

.chip.active span.dot {
    background: var(--chip-active-dot);
}

.sort-toggle {
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-subtle);
    padding: 4px;
    display: inline-flex;
    gap: 2px;
    background: var(--panel-bg);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.sort-toggle button {
    border: none;
    background: transparent;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    color: var(--text-muted);
    font-size: 0.78rem;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.sort-toggle button.active {
    background: var(--accent-soft);
    color: var(--accent);
    transform: translateY(-1px);
}

.sort-toggle button .arrow {
    font-size: 0.9em;
}

/* Gallery */

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.section-header {
    grid-column: 1 / -1;
    padding: 6px 4px 0;
    color: var(--text);
}

.section-header h3 {
    margin: 0;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
}

.section-header p {
    margin: 4px 0 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.card {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    min-width: 0;
    cursor: pointer;
    transition: transform 0.12s ease-out, box-shadow 0.12s ease-out, border-color 0.12s ease-out;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.5);
    border-color: var(--card-border-hover);
}

.card-image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 5;
    background: var(--image-bg);
}

.card img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    min-width: 0;
    min-height: 0;
    object-fit: cover;
    display: block;
    transition: transform 0.7s ease-out;
}

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

.card-body {
    padding: 10px 12px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.card-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 0.76rem;
    color: var(--text-muted);
}

.card-meta .meta-primary {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.card-meta span.time {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
    font-size: 0.72rem;
}

.card-meta span.location {
    font-style: italic;
    opacity: 0.9;
}

.card-caption {
    font-size: 0.87rem;
    color: var(--text);
    line-height: 1.35;
}

.card-tags {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.tag-pill {
    font-size: 0.7rem;
    text-transform: lowercase;
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--pill-border);
    color: var(--text-muted);
    background: var(--pill-bg);
    pointer-events: none;
}

.empty-state {
    text-align: center;
    padding: 40px 16px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Lightbox */

.lightbox {
    position: fixed;
    inset: 0;
    background: var(--lightbox-backdrop);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease-out;
}

.lightbox.visible {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-inner {
    max-width: 92vw;
    max-height: 90vh;
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
    gap: 12px;
}

.lightbox-image-wrapper {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    background: var(--lightbox-frame);
    border: 1px solid var(--lightbox-border);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.75);
}

.lightbox-image-wrapper img {
    display: block;
    max-height: 80vh;
    height: 100%;
    width: 100%;
    object-fit: contain;
    background: var(--image-bg);
}

.lightbox-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    color: var(--lightbox-text);
    font-size: 0.9rem;
}

.lightbox-text {
    max-width: 640px;
    color: var(--lightbox-text);
}

.lightbox-time-location {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.72rem;
    color: var(--lightbox-muted);
    margin-bottom: 4px;
}

.lightbox-caption {
    line-height: 1.45;
    color: var(--lightbox-text);
}

.lightbox-tags {
    margin-top: 2px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.lightbox-tags .tag-pill {
    color: var(--lightbox-muted);
    border-color: rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.06);
}

.lightbox-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.icon-btn {
    border-radius: 999px;
    border: 1px solid var(--button-border);
    padding: 6px 10px;
    min-width: 34px;
    min-height: 34px;
    background: var(--button-bg);
    color: var(--text);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.78rem;
    transition: background var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.icon-btn:hover {
    background: var(--button-hover-bg);
    border-color: var(--button-hover-border);
    transform: translateY(-1px);
    color: var(--button-hover-text);
}

.icon-btn span.icon {
    font-size: 0.9rem;
}

.theme-toggle {
    padding: 6px 10px;
    font-weight: 600;
    gap: 0;
    min-width: 42px;
}

.lightbox-close {
    position: fixed;
    top: 14px;
    right: 14px;
    z-index: 1000;
}

:root[data-theme="light"] {
    --bg: #fdfaf5;
    --bg-elevated: #ffffff;
    --border-subtle: #e1d9cc;
    --accent: #f08c42;
    --accent-soft: rgba(240, 140, 66, 0.14);
    --text: #1f2933;
    --text-muted: #5f6c7b;
    --chip-bg: #f3ede3;
    --chip-active-bg: #f08c42;
    --chip-active-text: #1f2933;
    --chip-active-dot: #1f2933;
    --page-bg: radial-gradient(circle at top left, #fff7ec 0, #f6efe4 45%, #eee6da 100%);
    --panel-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(253, 248, 239, 0.92));
    --card-bg: linear-gradient(160deg, #ffffff, #f6eee1);
    --card-border: #ede4d7;
    --card-border-hover: #f08c42;
    --image-bg: #f7f1e6;
    --pill-border: #e6dece;
    --pill-bg: #f9f3e7;
    --lightbox-backdrop: rgba(15, 18, 28, 0.7);
    --lightbox-frame: #f7f1e6;
    --lightbox-border: #e2d7c4;
    --lightbox-text: #fdfaf5;
    --lightbox-muted: #e7dccb;
    --button-bg: #fff8ed;
    --button-border: #e6dece;
    --button-hover-bg: #fff1de;
    --button-hover-border: #f08c42;
    --button-hover-text: #d26d23;
    --shadow-soft: 0 18px 40px rgba(49, 46, 34, 0.16);
}

@media (max-width: 640px) {
    .page {
        padding-inline: 14px;
    }

    .controls {
        align-items: flex-start;
    }

    header {
        align-items: center;
    }

    .lightbox-inner {
        max-width: 96vw;
        max-height: 96vh;
    }

    .lightbox-image-wrapper img {
        max-height: 70vh;
    }

    .controls-right {
        width: 100%;
        justify-content: flex-start;
    }
}