/* =============================================================================
   Art Gallery — Protogen Technical Dossier edition

   The gallery lives in an iframe inside the card, so it speaks the same
   language as its host: the same tokens, the same three faces, the same
   chamfered 1px HUD edges, the same scan-grid floor. Holograms cast no
   shadows, and there is no blur-as-decoration anywhere in here.
   ========================================================================== */

/* -----------------------------------------------------------------------------
   1. Tokens — identical values to the host card
   -------------------------------------------------------------------------- */
:root {
    color-scheme: dark;

    --display: "Exo 2", "Segoe UI", system-ui, sans-serif;
    --ui: "Chakra Petch", "Segoe UI", system-ui, sans-serif;
    --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", monospace;

    --void: #06080f;
    --void-deep: #04050b;
    --surface: #0c1020;
    --surface-sunk: #080b16;
    --surface-raised: #121a2e;

    --edge: #1e2a44;
    --edge-soft: #16203a;
    --edge-lit: rgba(0, 240, 212, 0.5);

    --holo-1: #00f0d4;
    --holo-2: #ff2d95;
    --holo-3: #ffc940;
    --holo-1-rgb: 0, 240, 212;
    --holo-2-rgb: 255, 45, 149;
    --holo-3-rgb: 255, 201, 64;

    --holo: linear-gradient(100deg, #00f0d4 0%, #4fd8ff 16%, #ff2d95 44%, #ffc940 70%, #00f0d4 100%);

    --text: #e0e8f0;
    --text-bright: #f2fbff;
    --muted: #7b93a8;
    --faint: #6b7a90;

    --danger: #ff4466;
    --success: #3dd68c;
    --nsfw-badge: #ff2d95;

    --c-xs: 6px;
    --c-sm: 10px;
    --c-md: 14px;
    --c-lg: 22px;

    --gap-1: 6px;
    --gap-2: 12px;
    --gap-3: 20px;
    --gap-4: 32px;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* -----------------------------------------------------------------------------
   2. Reset & browser surfaces
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--ui);
    background: var(--void);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* The same raster floor as the host: one texture, very quiet. */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        repeating-linear-gradient(0deg, rgba(var(--holo-1-rgb), 0.05) 0 1px, transparent 1px 72px),
        repeating-linear-gradient(90deg, rgba(var(--holo-1-rgb), 0.04) 0 1px, transparent 1px 72px);
    -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 0%, rgba(0, 0, 0, 0.45) 50%, transparent 85%);
    mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 0%, rgba(0, 0, 0, 0.45) 50%, transparent 85%);
}

.hidden {
    display: none !important;
}

::selection {
    background: rgba(var(--holo-2-rgb), 0.34);
    color: var(--text-bright);
}

:focus-visible {
    outline: 2px solid var(--holo-1);
    outline-offset: 3px;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--void-deep);
}

::-webkit-scrollbar-thumb {
    background: var(--edge);
    border: 3px solid var(--void-deep);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--holo-1-rgb), 0.45);
}

button {
    font-family: inherit;
    border: none;
    background: none;
    color: inherit;
    cursor: pointer;
}

/* -----------------------------------------------------------------------------
   3. HUD panel core — the element's own background is the 1px edge, the face
      sits 1px inside under the same clip, brackets mark the square corners.
   -------------------------------------------------------------------------- */
.hud-panel {
    position: relative;
    isolation: isolate;
    background: var(--edge);
    clip-path: polygon(var(--c-lg) 0, 100% 0, 100% calc(100% - var(--c-lg)), calc(100% - var(--c-lg)) 100%, 0 100%, 0 var(--c-lg));
}

.hud-panel::before {
    content: "";
    position: absolute;
    inset: 1px;
    z-index: -1;
    clip-path: polygon(var(--c-lg) 0, 100% 0, 100% calc(100% - var(--c-lg)), calc(100% - var(--c-lg)) 100%, 0 100%, 0 var(--c-lg));
    background: var(--surface);
}

/* -----------------------------------------------------------------------------
   4. Header
   -------------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(6, 8, 15, 0.92);
    border-bottom: 1px solid var(--edge);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--gap-3);
    flex-wrap: wrap;
    padding: 14px 24px;
}

.header-brand {
    display: flex;
    align-items: baseline;
    gap: var(--gap-2);
}

.site-title {
    font-family: var(--display);
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: 0.06em;
    text-transform: lowercase;
    color: var(--text-bright);
}

.site-title i {
    margin-right: 9px;
    color: var(--holo-1);
    font-size: 0.9em;
}

.artwork-count {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: lowercase;
    color: var(--muted);
    padding: 3px 9px;
    border: 1px solid var(--edge-soft);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--gap-2);
}

.control-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    font-family: var(--ui);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--muted);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.control-btn:hover {
    color: var(--holo-1);
    border-color: var(--edge-lit);
    background: rgba(var(--holo-1-rgb), 0.07);
}

.control-btn.active {
    color: var(--holo-1);
    border-color: var(--edge-lit);
}

.control-btn i {
    font-size: 0.85em;
}

.nsfw-control {
    position: relative;
}

.nsfw-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 120;
    min-width: 210px;
    padding: 6px;
    --c-lg: var(--c-md);
    background: var(--edge);
    clip-path: polygon(var(--c-md) 0, 100% 0, 100% calc(100% - var(--c-md)), calc(100% - var(--c-md)) 100%, 0 100%, 0 var(--c-md));
    isolation: isolate;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.2s ease, transform 0.2s var(--ease-out), visibility 0.2s;
}

.nsfw-dropdown.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.nsfw-dropdown::before {
    content: "";
    position: absolute;
    inset: 1px;
    z-index: -1;
    clip-path: polygon(var(--c-md) 0, 100% 0, 100% calc(100% - var(--c-md)), calc(100% - var(--c-md)) 100%, 0 100%, 0 var(--c-md));
    background: var(--surface-raised);
}

.nsfw-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 12px;
    font-size: 0.8rem;
    text-align: left;
    color: var(--muted);
    transition: color 0.18s ease, background-color 0.18s ease;
}

.nsfw-option:hover {
    color: var(--text-bright);
    background: rgba(var(--holo-1-rgb), 0.07);
}

.nsfw-option.active {
    color: var(--holo-1);
}

.nsfw-option i {
    width: 15px;
    text-align: center;
    font-size: 0.82em;
}

.nsfw-toggle[data-mode="hide"] { color: var(--muted); }
.nsfw-toggle[data-mode="blur"] { color: var(--holo-3); }
.nsfw-toggle[data-mode="show"] { color: var(--holo-2); }

.admin-btn {
    color: var(--holo-3);
    border-color: rgba(var(--holo-3-rgb), 0.4);
}

.admin-btn:hover {
    color: var(--holo-3);
    border-color: var(--holo-3);
    background: rgba(var(--holo-3-rgb), 0.08);
}

/* -----------------------------------------------------------------------------
   5. Filter bar
   -------------------------------------------------------------------------- */
.filter-bar {
    position: relative;
    z-index: 50;
    padding: 14px 24px;
    border-bottom: 1px solid var(--edge-soft);
    background: rgba(8, 11, 22, 0.6);
}

.filter-row {
    display: flex;
    align-items: center;
    gap: var(--gap-2);
    flex-wrap: wrap;
}

.filter-fursona {
    flex: none;
}

.fursona-select,
.sort-select {
    padding: 9px 12px;
    font-family: var(--mono);
    font-size: 0.76rem;
    letter-spacing: 0.04em;
    color: var(--text);
    background: var(--surface-sunk);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
    transition: border-color 0.2s ease;
}

.fursona-select:focus,
.sort-select:focus {
    border-color: var(--edge-lit);
    outline: none;
}

.fursona-select option,
.sort-select option {
    background: var(--surface);
    color: var(--text);
}

.filter-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    font-family: var(--ui);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--muted);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.pill:hover {
    color: var(--text-bright);
    border-color: var(--edge-lit);
}

.pill.active {
    color: #06131a;
    background: var(--holo-1);
    border-color: var(--holo-1);
}

.filter-meta {
    display: flex;
    align-items: center;
    gap: var(--gap-2);
    margin-left: auto;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 8px 12px;
    background: var(--surface-sunk);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
    transition: border-color 0.2s ease;
}

.search-box:focus-within {
    border-color: var(--edge-lit);
}

.search-box i {
    color: var(--faint);
    font-size: 0.8rem;
}

.search-box input {
    width: 190px;
    border: none;
    background: none;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--text);
    caret-color: var(--holo-1);
}

.search-box input:focus {
    outline: none;
}

.search-box input::placeholder {
    color: var(--faint);
}

/* -----------------------------------------------------------------------------
   6. Grid & cards
   -------------------------------------------------------------------------- */
.gallery-container {
    position: relative;
    z-index: 1;
    padding: var(--gap-3) 24px 64px;
}

.gallery-grid {
    columns: 4;
    column-gap: 14px;
}

.gallery-empty,
.gallery-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--gap-2);
    padding: 80px 0;
    color: var(--faint);
    text-align: center;
}

.gallery-empty i {
    font-size: 2.2rem;
    color: var(--edge);
}

.gallery-empty p {
    font-family: var(--mono);
    font-size: 0.82rem;
    letter-spacing: 0.06em;
}

.spinner {
    width: 34px;
    height: 34px;
    border: 2px solid var(--edge);
    border-top-color: var(--holo-1);
    border-radius: 50%;
    animation: gal-spin 0.9s linear infinite;
}

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

/* A card is a window cut at the corners: the artwork runs to the chamfer, so
   the silhouette itself is the edge. The hover reward is a glow that follows
   that silhouette — drop-shadow is the one effect that respects clip-path. */
.art-card {
    position: relative;
    margin: 0 0 14px;
    break-inside: avoid;
    cursor: pointer;
    clip-path: polygon(var(--c-md) 0, 100% 0, 100% calc(100% - var(--c-md)), calc(100% - var(--c-md)) 100%, 0 100%, 0 var(--c-md));
    background: var(--surface-sunk);
    transition: filter 0.3s ease, transform 0.3s var(--ease-out);
}

.art-card:hover {
    transform: translateY(-3px);
    filter: drop-shadow(0 0 7px rgba(var(--holo-1-rgb), 0.34));
}

.art-card-image-wrap {
    position: relative;
    overflow: hidden;
}

.art-card-image-wrap img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform 0.5s var(--ease-out), opacity 0.45s ease;
}

.art-card:hover .art-card-image-wrap img {
    transform: scale(1.035);
}

/* Thumbnails fade up from the raster floor as they arrive. */
.art-card img[data-src] {
    opacity: 0;
}

.art-card img.loaded {
    opacity: 1;
}

.card-gradient {
    position: absolute;
    inset: auto 0 0 0;
    height: 55%;
    background: linear-gradient(180deg, transparent 0%, rgba(4, 5, 11, 0.55) 42%, rgba(4, 5, 11, 0.92) 100%);
    pointer-events: none;
}

.card-overlay-top {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 3;
}

.heart-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 10px;
    font-size: 0.82rem;
    color: var(--text-bright);
    background: rgba(6, 8, 15, 0.62);
    border: 1px solid rgba(var(--holo-1-rgb), 0.22);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.heart-btn:hover {
    color: var(--holo-2);
    border-color: rgba(var(--holo-2-rgb), 0.55);
}

.heart-btn.liked {
    color: var(--holo-2);
    border-color: rgba(var(--holo-2-rgb), 0.6);
    background: rgba(var(--holo-2-rgb), 0.16);
}

.heart-btn.liked i {
    filter: drop-shadow(0 0 5px rgba(var(--holo-2-rgb), 0.6));
}

.heart-count {
    font-family: var(--mono);
    font-size: 0.7rem;
}

.card-overlay-bottom {
    position: absolute;
    inset: auto 0 0 0;
    z-index: 2;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--gap-2);
    padding: 12px 14px;
}

.card-info {
    min-width: 0;
}

.card-fursona {
    font-family: var(--mono);
    font-size: 0.64rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--holo-1);
}

.card-title {
    font-family: var(--display);
    font-weight: 700;
    font-size: 0.98rem;
    line-height: 1.3;
    color: var(--text-bright);
    overflow-wrap: anywhere;
}

.card-artist {
    font-size: 0.76rem;
    color: var(--muted);
}

.card-meta {
    flex: none;
}

.card-date {
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.06em;
    color: var(--faint);
    white-space: nowrap;
}

/* Blur mode: the artwork stays private until asked. */
.art-card.nsfw-blur .art-card-image-wrap img {
    filter: blur(22px) saturate(0.6);
    transform: scale(1.06);
}

.nsfw-reveal-hint {
    position: absolute;
    inset: 0;
    z-index: 4;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 9px;
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: lowercase;
    color: var(--text-bright);
    background: rgba(6, 8, 15, 0.5);
}

.art-card.nsfw-blur .nsfw-reveal-hint {
    display: flex;
}

.nsfw-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 3;
    padding: 4px 9px;
    font-family: var(--mono);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: #14060d;
    background: var(--nsfw-badge);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
}

.type-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 9px;
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-bright);
    background: rgba(6, 8, 15, 0.7);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
}

.type-badge.type-art i { color: var(--holo-1); }
.type-badge.type-fursuit i { color: var(--holo-3); }

/* -----------------------------------------------------------------------------
   7. Lightbox
   -------------------------------------------------------------------------- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(4, 5, 11, 0.9);
}

.lightbox-content {
    position: relative;
    z-index: 2;
    display: flex;
    max-width: min(1180px, 94vw);
    max-height: 90vh;
    --c-lg: var(--c-lg);
    background: var(--edge);
    clip-path: polygon(var(--c-lg) 0, 100% 0, 100% calc(100% - var(--c-lg)), calc(100% - var(--c-lg)) 100%, 0 100%, 0 var(--c-lg));
    isolation: isolate;
}

.lightbox-content::before {
    content: "";
    position: absolute;
    inset: 1px;
    z-index: -1;
    clip-path: polygon(var(--c-lg) 0, 100% 0, 100% calc(100% - var(--c-lg)), calc(100% - var(--c-lg)) 100%, 0 100%, 0 var(--c-lg));
    background: var(--surface);
}

.lightbox-image-wrap {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--void-deep);
    cursor: grab;
}

.lightbox-image-wrap.dragging {
    cursor: grabbing;
}

.lightbox-image-wrap img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    user-select: none;
}

.lightbox-details {
    flex: none;
    width: 300px;
    padding: 26px 22px;
    overflow-y: auto;
    border-left: 1px solid var(--edge-soft);
    display: flex;
    flex-direction: column;
    gap: var(--gap-2);
}

.lb-title {
    font-family: var(--display);
    font-weight: 800;
    font-size: 1.25rem;
    line-height: 1.25;
    color: var(--text-bright);
}

.lb-meta {
    display: flex;
    align-items: center;
    gap: var(--gap-2);
    flex-wrap: wrap;
}

.lb-fursona {
    padding: 3px 9px;
    font-family: var(--mono);
    font-size: 0.64rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #06131a;
    background: var(--holo-1);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
}

.lb-date {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.lb-artist-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.84rem;
    color: var(--muted);
}

.lb-artist-row i {
    color: var(--holo-1);
    font-size: 0.8rem;
}

.lb-artist-row a {
    color: var(--text-bright);
    text-decoration: none;
    border-bottom: 1px solid rgba(var(--holo-1-rgb), 0.4);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.lb-artist-row a:hover {
    color: var(--holo-1);
    border-color: var(--holo-1);
}

.lb-price {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--holo-3);
}

.lb-price.hidden-price {
    color: var(--faint);
}

.lb-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.lb-tag {
    padding: 3px 8px;
    font-family: var(--mono);
    font-size: 0.64rem;
    letter-spacing: 0.06em;
    color: var(--muted);
    border: 1px solid var(--edge-soft);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
}

.lb-dimensions {
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    color: var(--faint);
}

.lb-dimensions i {
    margin-right: 6px;
}

.lb-full-quality-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    font-family: var(--ui);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-decoration: none;
    color: #06131a;
    background: var(--holo-1);
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
    transition: filter 0.2s ease;
}

.lb-full-quality-btn:hover {
    filter: brightness(1.12);
}

.lb-full-quality-btn i {
    font-size: 0.8em;
}

.lb-zoom-controls {
    display: flex;
    gap: 8px;
    margin-top: auto;
    padding-top: var(--gap-2);
    border-top: 1px solid var(--edge-soft);
}

.lb-zoom-controls button {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    font-size: 0.78rem;
    color: var(--muted);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.lb-zoom-controls button:hover {
    color: var(--holo-1);
    border-color: var(--edge-lit);
    background: rgba(var(--holo-1-rgb), 0.08);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    font-size: 1rem;
    color: var(--muted);
    background: rgba(6, 8, 15, 0.7);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
    transition: color 0.2s ease, border-color 0.2s ease;
}

.lightbox-nav:hover {
    color: var(--holo-1);
    border-color: var(--edge-lit);
}

.lightbox-prev { left: 14px; }
.lightbox-next { right: 14px; }

.lightbox-close {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 6;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    font-size: 0.9rem;
    color: var(--muted);
    background: rgba(6, 8, 15, 0.7);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
    transition: color 0.2s ease, border-color 0.2s ease;
}

.lightbox-close:hover {
    color: var(--holo-2);
    border-color: rgba(var(--holo-2-rgb), 0.55);
}

/* -----------------------------------------------------------------------------
   8. Age gate
   -------------------------------------------------------------------------- */
.age-gate {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--gap-3);
    background: rgba(4, 5, 11, 0.92);
}

.age-gate-card {
    position: relative;
    isolation: isolate;
    max-width: 440px;
    width: 100%;
    padding: 38px 32px;
    text-align: center;
    background: var(--edge);
    clip-path: polygon(var(--c-lg) 0, 100% 0, 100% calc(100% - var(--c-lg)), calc(100% - var(--c-lg)) 100%, 0 100%, 0 var(--c-lg));
}

.age-gate-card::before {
    content: "";
    position: absolute;
    inset: 1px;
    z-index: -1;
    clip-path: polygon(var(--c-lg) 0, 100% 0, 100% calc(100% - var(--c-lg)), calc(100% - var(--c-lg)) 100%, 0 100%, 0 var(--c-lg));
    background: var(--surface);
}

.age-icon {
    font-size: 2.2rem;
    color: var(--holo-3);
    filter: drop-shadow(0 0 14px rgba(var(--holo-3-rgb), 0.4));
}

.age-gate-card h2 {
    margin-top: var(--gap-2);
    font-family: var(--display);
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: 0.04em;
    text-transform: lowercase;
    color: var(--text-bright);
}

.age-gate-card p {
    margin-top: 8px;
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--muted);
}

.age-gate-actions {
    display: flex;
    justify-content: center;
    gap: var(--gap-2);
    flex-wrap: wrap;
    margin-top: var(--gap-3);
}

/* -----------------------------------------------------------------------------
   9. Admin modal & form
   -------------------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--gap-3);
    background: rgba(4, 5, 11, 0.88);
}

.modal {
    position: relative;
    isolation: isolate;
    max-width: 540px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 34px 30px;
    background: var(--edge);
    clip-path: polygon(var(--c-lg) 0, 100% 0, 100% calc(100% - var(--c-lg)), calc(100% - var(--c-lg)) 100%, 0 100%, 0 var(--c-lg));
}

.modal::before {
    content: "";
    position: absolute;
    inset: 1px;
    z-index: -1;
    clip-path: polygon(var(--c-lg) 0, 100% 0, 100% calc(100% - var(--c-lg)), calc(100% - var(--c-lg)) 100%, 0 100%, 0 var(--c-lg));
    background: var(--surface);
}

.modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    font-size: 0.85rem;
    color: var(--muted);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
    transition: color 0.2s ease, border-color 0.2s ease;
}

.modal-close:hover {
    color: var(--holo-2);
    border-color: rgba(var(--holo-2-rgb), 0.55);
}

#admin-pin-screen,
#admin-form-screen {
    display: flex;
    flex-direction: column;
    gap: var(--gap-2);
}

#admin-pin-screen h2,
#admin-form-screen h2 {
    font-family: var(--display);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: 0.04em;
    text-transform: lowercase;
    color: var(--text-bright);
}

.admin-form-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-form-header h2 {
    margin: 0;
}

#admin-signout {
    font-size: 0.75rem;
    padding: 5px 10px;
    opacity: 0.6;
    transition: opacity 0.2s;
}

#admin-signout:hover {
    opacity: 1;
}

#admin-pin-screen h2 i,
#admin-form-screen h2 i {
    margin-right: 9px;
    color: var(--holo-1);
    font-size: 0.88em;
}

#admin-pin-screen p {
    font-size: 0.86rem;
    color: var(--muted);
}

.pin-input {
    padding: 12px 14px;
    font-family: var(--mono);
    font-size: 1rem;
    letter-spacing: 0.3em;
    text-align: center;
    color: var(--text-bright);
    background: var(--surface-sunk);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
    caret-color: var(--holo-1);
}

.pin-input:focus {
    outline: none;
    border-color: var(--edge-lit);
}

.pin-actions {
    display: flex;
    gap: var(--gap-2);
    flex-wrap: wrap;
}

.pin-error {
    font-family: var(--mono);
    font-size: 0.76rem;
    color: var(--danger);
}

.upload-form {
    display: flex;
    flex-direction: column;
    gap: var(--gap-2);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.form-group label {
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    text-transform: lowercase;
    color: var(--muted);
}

.form-group input,
.form-select {
    padding: 10px 12px;
    font-family: var(--ui);
    font-size: 0.86rem;
    color: var(--text);
    background: var(--surface-sunk);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
}

.form-group input[type="month"] {
    font-family: var(--mono);
    color-scheme: dark;
}

.form-group input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--edge-lit);
}

.form-group input::placeholder {
    color: var(--faint);
}

.form-select option {
    background: var(--surface);
    color: var(--text);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-2);
}

.file-drop {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 26px 16px;
    text-align: center;
    color: var(--muted);
    border: 1px dashed var(--edge);
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.file-drop:hover,
.file-drop.dragover {
    color: var(--holo-1);
    border-color: var(--edge-lit);
    background: rgba(var(--holo-1-rgb), 0.06);
}

.file-drop i {
    font-size: 1.4rem;
}

.file-drop span {
    font-size: 0.8rem;
}

.file-preview {
    max-width: 100%;
    max-height: 180px;
    object-fit: contain;
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
}

.form-check {
    flex-direction: row;
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--ui);
    font-size: 0.84rem;
    color: var(--text);
    cursor: pointer;
}

.checkbox-label input {
    width: 16px;
    height: 16px;
    accent-color: var(--holo-2);
}

.checkbox-label .checkmark {
    display: none;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    font-family: var(--ui);
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
    transition: filter 0.2s ease, color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.btn-primary {
    color: #06131a;
    background: var(--holo-1);
}

.btn-primary:hover {
    filter: brightness(1.12);
}

.btn-primary:disabled {
    filter: grayscale(0.6) brightness(0.7);
    cursor: not-allowed;
}

.btn-danger {
    color: #14060d;
    background: var(--holo-2);
}

.btn-danger:hover {
    filter: brightness(1.12);
}

.btn-ghost {
    color: var(--muted);
    background: transparent;
    box-shadow: inset 0 0 0 1px var(--edge);
}

.btn-ghost:hover {
    color: var(--text-bright);
    box-shadow: inset 0 0 0 1px var(--edge-lit);
}

.form-actions {
    display: flex;
    gap: var(--gap-2);
}

.upload-progress {
    display: flex;
    align-items: center;
    gap: var(--gap-2);
}

.progress-bar {
    flex: 1;
    height: 3px;
    background: var(--edge-soft);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0;
    background: var(--holo);
    background-size: 280% 100%;
    animation: gal-holo-shift 1.6s linear infinite;
    transition: width 0.25s ease;
}

@keyframes gal-holo-shift {
    0% { background-position: 0% 50%; }
    100% { background-position: 280% 50%; }
}

#progress-text {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: var(--muted);
    white-space: nowrap;
}

/* -----------------------------------------------------------------------------
   10. Toast
   -------------------------------------------------------------------------- */
.toast {
    position: fixed;
    bottom: 22px;
    left: 50%;
    transform: translateX(-50%) translateY(16px);
    z-index: 3000;
    padding: 11px 20px;
    font-family: var(--ui);
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--text-bright);
    background: var(--surface-raised);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s var(--ease-out);
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.success { border-color: rgba(var(--holo-1-rgb), 0.6); }
.toast.error { border-color: rgba(var(--danger), 0.6); }

/* -----------------------------------------------------------------------------
   10b. Variant badge — shown on gallery cards with multiple images
   -------------------------------------------------------------------------- */
.variant-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 9px;
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-bright);
    background: rgba(6, 8, 15, 0.7);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
}

.variant-badge i {
    color: var(--holo-3);
    font-size: 0.8em;
}

/* When variant badge is present, push type badge below it */
.variant-badge ~ .type-badge {
    top: 36px;
}

.variant-badge ~ .nsfw-badge {
    top: 36px;
}

/* -----------------------------------------------------------------------------
   10c. Lightbox variant strip — thumbnail strip for switching variants
   -------------------------------------------------------------------------- */
.lb-variant-strip {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    padding: 0;
}

.lb-variant-thumb {
    position: relative;
    flex: none;
    width: 52px;
    height: 52px;
    border: 2px solid var(--edge);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.2s ease;
    background: var(--surface-sunk);
}

.lb-variant-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lb-variant-thumb:hover {
    border-color: var(--edge-lit);
}

.lb-variant-thumb.active {
    border-color: var(--holo-1);
    box-shadow: 0 0 6px rgba(var(--holo-1-rgb), 0.4);
}

.lb-variant-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1px 0;
    font-family: var(--mono);
    font-size: 0.5rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    color: var(--text-bright);
    background: rgba(6, 8, 15, 0.75);
}

/* -----------------------------------------------------------------------------
   10d. Admin variant preview strip — shown in upload form for multi-file
   -------------------------------------------------------------------------- */
.variant-preview-strip {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.variant-preview-strip:empty {
    display: none;
}

.variant-preview-item {
    position: relative;
    flex: none;
    width: 80px;
    height: 80px;
    border: 2px solid var(--edge);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
    overflow: hidden;
    cursor: grab;
    transition: border-color 0.2s ease, opacity 0.2s ease;
    background: var(--surface-sunk);
}

.variant-preview-item.dragging {
    opacity: 0.4;
    cursor: grabbing;
}

.variant-preview-item:hover {
    border-color: var(--edge-lit);
}

.variant-preview-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.variant-preview-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2px 0;
    font-family: var(--mono);
    font-size: 0.52rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    color: var(--text-bright);
    background: rgba(6, 8, 15, 0.75);
}

.variant-preview-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    display: grid;
    place-items: center;
    font-size: 0.55rem;
    color: var(--text-bright);
    background: rgba(var(--holo-2-rgb), 0.85);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
    transition: background-color 0.2s ease;
}

.variant-preview-remove:hover {
    background: var(--holo-2);
}

.variant-preview-moves {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 2px;
    pointer-events: none;
}

.variant-preview-move {
    width: 18px;
    height: 18px;
    display: grid;
    place-items: center;
    font-size: 0.5rem;
    color: var(--text-bright);
    background: rgba(6, 8, 15, 0.7);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
    pointer-events: auto;
    transition: background-color 0.2s ease;
}

.variant-preview-move:hover {
    background: rgba(var(--holo-1-rgb), 0.5);
}

/* -----------------------------------------------------------------------------
   10e. Variant manager modal — for editing variants on existing artworks
   -------------------------------------------------------------------------- */
.variant-modal {
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: var(--gap-2);
}

.variant-modal h2 {
    font-family: var(--display);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: 0.04em;
    text-transform: lowercase;
    color: var(--text-bright);
}

.variant-modal h2 i {
    margin-right: 9px;
    color: var(--holo-1);
    font-size: 0.88em;
}

.variant-modal-subtitle {
    font-family: var(--mono);
    font-size: 0.76rem;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.variant-manager-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 320px;
    overflow-y: auto;
    padding: 4px 0;
}

.variant-manager-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    background: var(--surface-sunk);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
    cursor: grab;
    transition: border-color 0.2s ease, opacity 0.2s ease;
}

.variant-manager-item.dragging {
    opacity: 0.4;
    cursor: grabbing;
}

.variant-manager-item:hover {
    border-color: var(--edge-lit);
}

.variant-manager-item img {
    flex: none;
    width: 64px;
    height: 64px;
    object-fit: cover;
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
}

.variant-manager-label {
    flex: 1;
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--holo-1);
}

.variant-manager-controls {
    display: flex;
    gap: 6px;
    flex: none;
}

.variant-manager-move,
.variant-manager-remove {
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    font-size: 0.68rem;
    color: var(--muted);
    border: 1px solid var(--edge);
    clip-path: polygon(var(--c-xs) 0, 100% 0, 100% calc(100% - var(--c-xs)), calc(100% - var(--c-xs)) 100%, 0 100%, 0 var(--c-xs));
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.variant-manager-move:hover {
    color: var(--holo-1);
    border-color: var(--edge-lit);
    background: rgba(var(--holo-1-rgb), 0.08);
}

.variant-manager-remove:hover {
    color: var(--danger);
    border-color: rgba(var(--holo-2-rgb), 0.55);
    background: rgba(var(--holo-2-rgb), 0.1);
}

.variant-manager-drop {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 16px;
    text-align: center;
    color: var(--muted);
    border: 1px dashed var(--edge);
    clip-path: polygon(var(--c-sm) 0, 100% 0, 100% calc(100% - var(--c-sm)), calc(100% - var(--c-sm)) 100%, 0 100%, 0 var(--c-sm));
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.variant-manager-drop:hover,
.variant-manager-drop.dragover {
    color: var(--holo-1);
    border-color: var(--edge-lit);
    background: rgba(var(--holo-1-rgb), 0.06);
}

.variant-manager-drop i {
    font-size: 1.2rem;
}

.variant-manager-drop span {
    font-size: 0.78rem;
}

.variant-manager-actions {
    display: flex;
    gap: var(--gap-2);
    margin-top: var(--gap-2);
}

.lb-manage-variants-btn {
    margin-top: var(--gap-2);
}

/* -----------------------------------------------------------------------------
   11. Card entrance — a short cascade as the grid renders
   -------------------------------------------------------------------------- */
@keyframes gal-card-in {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.art-card {
    animation: gal-card-in 0.4s var(--ease-out) backwards;
}

.art-card:nth-child(1) { animation-delay: 0s; }
.art-card:nth-child(2) { animation-delay: 0.04s; }
.art-card:nth-child(3) { animation-delay: 0.08s; }
.art-card:nth-child(4) { animation-delay: 0.12s; }
.art-card:nth-child(5) { animation-delay: 0.16s; }
.art-card:nth-child(6) { animation-delay: 0.2s; }
.art-card:nth-child(7) { animation-delay: 0.24s; }
.art-card:nth-child(8) { animation-delay: 0.28s; }

/* -----------------------------------------------------------------------------
   12. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
    .gallery-grid { columns: 3; }
}

@media (max-width: 900px) {
    .gallery-grid { columns: 2; }

    .lightbox-content {
        flex-direction: column;
        max-width: 95vw;
    }

    .lightbox-image-wrap {
        max-height: 55vh;
    }

    .lightbox-details {
        width: 100%;
        max-height: 35vh;
        border-left: none;
        border-top: 1px solid var(--edge-soft);
    }

    .lightbox-nav {
        width: 40px;
        height: 40px;
    }

    .lightbox-prev { left: 8px; }
    .lightbox-next { right: 8px; }
}

@media (max-width: 640px) {
    .gallery-grid {
        columns: 2;
        column-gap: 10px;
    }

    .header-inner { padding: 12px 16px; }
    .filter-bar { padding: 12px 16px; }
    .gallery-container { padding: 4px 16px 40px; }

    .control-label { display: none; }
    .control-btn { padding: 8px 10px; }

    .filter-meta {
        width: 100%;
        margin-left: 0;
    }

    .search-box { flex: 1; }
    .search-box input { width: 100%; }

    .form-row { grid-template-columns: 1fr; }

    .card-overlay-bottom { padding: 10px 12px; }
    .card-title { font-size: 0.85rem; }
    .card-fursona { font-size: 0.6rem; }
    .card-artist { font-size: 0.7rem; }
}

@media (max-width: 400px) {
    .gallery-grid { columns: 1; }
}

/* -----------------------------------------------------------------------------
   13. Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}