:root {
  color-scheme: dark;
  --ink: #f6eddd;
  --ink-muted: rgba(246, 237, 221, 0.66);
  --night: #100d0a;
  --night-soft: #19140f;
  --copper: #bd7743;
  --gold: #ddbd79;
  --line: rgba(246, 237, 221, 0.16);
  --line-strong: rgba(246, 237, 221, 0.32);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body,
main {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

body {
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 15%, rgba(189, 119, 67, 0.15), transparent 29rem),
    radial-gradient(circle at 82% 82%, rgba(221, 189, 121, 0.08), transparent 30rem),
    var(--night);
  font-family: var(--sans);
}

button,
input,
select {
  font: inherit;
}

button,
.download-link {
  min-height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(246, 237, 221, 0.07);
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

button:hover,
.download-link:hover {
  border-color: var(--gold);
  background: rgba(221, 189, 121, 0.13);
}

button:active,
.download-link:active {
  transform: translateY(1px);
}

button:disabled {
  cursor: wait;
  opacity: 0.62;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
.download-link:focus-visible,
.artwork-links a:focus-visible,
.mosaic-stage:focus-visible,
.skip-link:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 4px;
  color: var(--night);
  background: var(--gold);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  border: 0;
  white-space: nowrap;
}

.gate {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(24px, 6vw, 72px);
}

.gate-card {
  width: min(100%, 610px);
  padding: clamp(32px, 7vw, 70px);
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.012)),
    var(--night-soft);
  box-shadow: 0 40px 110px rgba(0, 0, 0, 0.42);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 500px;
  font-size: clamp(3rem, 9vw, 5.7rem);
  line-height: 0.9;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 0.95;
}

.gate-intro {
  max-width: 500px;
  margin: 28px 0 34px;
  color: var(--ink-muted);
  font-family: var(--serif);
  font-size: 1.18rem;
  line-height: 1.55;
}

form label {
  display: block;
  margin-bottom: 10px;
  color: var(--ink-muted);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.access-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.access-row input {
  min-width: 0;
  min-height: 52px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  color: var(--ink);
  background: rgba(0, 0, 0, 0.22);
}

.access-row button {
  min-height: 52px;
  padding: 0 22px;
  border-color: var(--copper);
  background: var(--copper);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.access-row button:hover {
  border-color: #d18c56;
  background: #a96435;
}

.access-error {
  margin: 12px 0 0;
  color: #ffc7b0;
  font-size: 0.88rem;
}

.access-status {
  margin: 12px 0 0;
  color: var(--ink-muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.gate-note {
  margin: 28px 0 0;
  color: rgba(246, 237, 221, 0.43);
  font-size: 0.76rem;
  line-height: 1.5;
}

.workspace {
  height: 100svh;
  min-height: 560px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  background: #090806;
}

.workspace:fullscreen,
.workspace:-webkit-full-screen {
  width: 100vw;
  height: 100dvh;
  min-height: 0;
}

.viewer-header {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 70px;
  padding: 12px 18px 12px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(16, 13, 10, 0.96);
}

.viewer-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: max-content;
  font-family: var(--serif);
  font-size: 1.05rem;
}

.viewer-mark {
  color: var(--gold);
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.viewer-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.viewer-controls select {
  width: min(220px, 26vw);
  min-height: 42px;
  padding: 0 34px 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  background: var(--night-soft);
}

.viewer-controls select:disabled {
  cursor: wait;
  opacity: 0.62;
}

.viewer-controls button {
  min-width: 42px;
  padding: 0 14px;
  white-space: nowrap;
}

.viewer-controls output {
  width: 64px;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.viewer-controls .quiet-control {
  margin-left: 5px;
  border-color: transparent;
  color: var(--ink-muted);
}

[data-fullscreen-exit-icon] {
  display: none;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.download-link {
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  font-size: 0.75rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.mosaic-stage {
  position: relative;
  min-height: 0;
  overflow: hidden;
  contain: layout paint style;
  background:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    #0d0b08;
  background-size: 32px 32px;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.mosaic-stage.is-dragging {
  cursor: grabbing;
}

.mosaic-atlas {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.mosaic-overview,
.mosaic-tile {
  position: absolute;
  display: block;
  max-width: none;
  -webkit-user-drag: none;
}

.mosaic-overview {
  top: 0;
  left: 0;
  z-index: 0;
  transform: translate3d(0, 0, 0);
  transform-origin: 0 0;
  pointer-events: none;
}

.mosaic-tiles {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  contain: strict;
  pointer-events: none;
}

.mosaic-tile {
  top: 0;
  left: 0;
}

.artwork-selection {
  position: absolute;
  z-index: 2;
  overflow: visible;
  pointer-events: none;
}

.artwork-selection rect {
  fill: rgba(221, 189, 121, 0.08);
  stroke: var(--gold);
  stroke-width: 3px;
}

.asset-placeholder {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(calc(100% - 48px), 620px);
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--line);
  background: rgba(16, 13, 10, 0.88);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  text-align: center;
  transform: translate(-50%, -50%);
}

.asset-placeholder p:not(.eyebrow) {
  margin: 22px 0 8px;
  color: var(--ink-muted);
}

.asset-placeholder code {
  display: inline-block;
  max-width: 100%;
  padding: 8px 10px;
  overflow-wrap: anywhere;
  color: var(--gold);
  background: rgba(0, 0, 0, 0.3);
  user-select: text;
}

.asset-status {
  position: absolute;
  left: 16px;
  bottom: 14px;
  margin: 0;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-muted);
  background: rgba(16, 13, 10, 0.82);
  font-size: 0.7rem;
  pointer-events: none;
}

.artwork-info {
  position: fixed;
  inset: 0;
  z-index: 20;
  width: 100vw;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  color: var(--ink);
  background: #0b0907;
  box-shadow: none;
  overscroll-behavior: contain;
  user-select: text;
  -webkit-overflow-scrolling: touch;
}

.artwork-info::backdrop {
  background: #0b0907;
}

.artwork-info:not([open]) {
  display: none;
}

.artwork-dialog-layout {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 430px);
  overflow: hidden;
}

.artwork-preview-frame {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  place-items: center;
  gap: 12px;
  margin: 0;
  padding: clamp(24px, 4vw, 58px);
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 45%, rgba(221, 189, 121, 0.08), transparent 55%),
    #070604;
}

.artwork-preview-clip {
  position: relative;
  width: min(100%, calc(100dvh - 128px));
  max-height: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid rgba(221, 189, 121, 0.26);
  background: #171310;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.58);
}

.artwork-preview {
  position: absolute;
  display: block;
  max-width: none;
  max-height: none;
  user-select: none;
  -webkit-user-drag: none;
}

.artwork-preview-overview {
  z-index: 0;
  filter: saturate(0.88);
}

.artwork-preview-detail {
  z-index: 1;
  opacity: 0;
}

.artwork-preview-detail[data-ready="true"] {
  opacity: 1;
}

.artwork-preview-frame figcaption {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.artwork-metadata {
  min-height: 0;
  padding: clamp(72px, 8vh, 104px) clamp(28px, 4vw, 50px) 40px;
  overflow: auto;
  border-left: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.04), transparent 42%),
    #171310;
}

.artwork-close {
  position: fixed;
  top: max(16px, env(safe-area-inset-top));
  right: max(16px, env(safe-area-inset-right));
  z-index: 22;
  min-width: 48px;
  min-height: 48px;
  padding: 0;
  border-color: var(--line-strong);
  color: var(--ink);
  background: rgba(16, 13, 10, 0.9);
  font-size: 1.55rem;
  line-height: 1;
}

.artwork-index {
  margin: 0 56px 10px 0;
  color: var(--gold);
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.16em;
}

.artwork-info h2 {
  margin-right: 34px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 0.98;
}

.artwork-creator {
  margin: 10px 34px 0 0;
  color: var(--ink-muted);
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.45;
}

.artwork-facts {
  display: grid;
  gap: 11px;
  margin: 18px 0 0;
}

.artwork-facts div {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.artwork-facts dt {
  color: rgba(246, 237, 221, 0.48);
  font-size: 0.65rem;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.artwork-facts dd {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.artwork-provider {
  margin: 14px 0 0;
  color: rgba(246, 237, 221, 0.48);
  font-size: 0.72rem;
  line-height: 1.4;
}

.artwork-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.artwork-links a {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--gold);
  font-size: 0.74rem;
  font-weight: 720;
  text-decoration: none;
}

.artwork-links a:hover {
  border-color: var(--gold);
  background: rgba(221, 189, 121, 0.11);
}

.artwork-cta {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 18px;
  padding: 13px 16px;
  border: 1px solid rgba(221, 189, 121, 0.45);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(221, 189, 121, 0.13), rgba(221, 189, 121, 0.06));
  text-decoration: none;
}

.artwork-cta:hover {
  border-color: var(--gold);
  background: linear-gradient(180deg, rgba(221, 189, 121, 0.2), rgba(221, 189, 121, 0.1));
}

.artwork-cta-lede {
  color: var(--ink-muted);
  font-family: var(--serif);
  font-size: 0.86rem;
  line-height: 1.4;
}

.artwork-cta-action {
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 720;
  letter-spacing: 0.01em;
}

.viewer-footer {
  display: flex;
  justify-content: center;
  gap: 30px;
  min-height: 34px;
  padding: 8px 18px;
  border-top: 1px solid var(--line);
  color: rgba(246, 237, 221, 0.42);
  background: var(--night);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.viewer-footer a {
  color: var(--gold);
  text-underline-offset: 0.22em;
}

.attribution-page {
  min-height: 100svh;
}

.attribution-shell {
  width: min(calc(100% - 40px), 920px);
  margin: 0 auto;
  padding: clamp(48px, 9vw, 104px) 0;
}

.attribution-shell > header {
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.attribution-shell h1 {
  max-width: 760px;
}

.attribution-intro {
  max-width: 720px;
  margin: 26px 0 0;
  color: var(--ink-muted);
  font-family: var(--serif);
  font-size: 1.12rem;
  line-height: 1.6;
}

.credit-list {
  display: grid;
  gap: 18px;
  margin: 38px 0;
}

.credit-card {
  padding: clamp(24px, 5vw, 38px);
  border: 1px solid var(--line);
  background: rgba(246, 237, 221, 0.035);
}

.credit-card h2 {
  font-size: clamp(1.6rem, 4vw, 2.45rem);
  line-height: 1.05;
}

.credit-card p {
  margin: 16px 0 0;
  color: var(--ink-muted);
  line-height: 1.6;
}

.credit-card a,
.attribution-back {
  color: var(--gold);
  overflow-wrap: anywhere;
  text-underline-offset: 0.22em;
}

.attribution-back {
  display: inline-block;
  margin-top: 6px;
}

@media (max-width: 1180px) {
  .viewer-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
    padding: 10px 12px;
  }

  .viewer-controls {
    width: 100%;
    min-width: 0;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-start;
    overflow: visible;
  }

  .viewer-controls button {
    min-width: 38px;
    min-height: 38px;
    padding: 0 12px;
  }

  .viewer-controls output {
    width: 48px;
  }

  .viewer-controls select {
    width: min(220px, 100%);
    min-height: 38px;
  }

  .download-link {
    min-height: 38px;
    padding: 0 12px;
  }

  .workspace {
    min-height: 620px;
  }

  .viewer-footer {
    flex-wrap: wrap;
    gap: 5px 16px;
    justify-content: center;
    overflow: visible;
    padding: 8px 12px;
    line-height: 1.35;
    white-space: normal;
  }
}

@media (max-width: 560px) {
  .gate {
    padding: 16px;
  }

  .gate-card {
    padding: 34px 24px;
  }

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

  .viewer-title {
    min-width: 0;
    flex-wrap: wrap;
  }

  .viewer-controls select {
    flex: 1 0 100%;
    width: 100%;
  }

  .artwork-dialog-layout {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 56dvh) minmax(0, 1fr);
    overflow: auto;
  }

  .artwork-preview-frame {
    padding:
      max(58px, calc(env(safe-area-inset-top) + 48px))
      18px
      16px;
  }

  .artwork-preview-clip {
    width: min(100%, 48dvh);
  }

  .artwork-metadata {
    overflow: visible;
    padding: 28px 22px max(42px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .artwork-facts div {
    grid-template-columns: 82px minmax(0, 1fr);
  }
}

.workspace[data-fullscreen="true"] {
  width: 100vw;
  height: 100dvh;
  min-height: 0;
  grid-template-rows: minmax(0, 1fr);
}

.workspace[data-fullscreen="true"] .viewer-header {
  position: absolute;
  inset: 0 0 auto auto;
  z-index: 8;
  display: block;
  min-height: 0;
  padding:
    max(8px, env(safe-area-inset-top))
    max(8px, env(safe-area-inset-right))
    0
    0;
  border: 0;
  background: transparent;
  pointer-events: none;
}

.workspace[data-fullscreen="true"] .viewer-title,
.workspace[data-fullscreen="true"] .viewer-controls > :not([data-action="fullscreen"]),
.workspace[data-fullscreen="true"] .viewer-footer,
.workspace[data-fullscreen="true"] .asset-status {
  display: none;
}

.workspace[data-fullscreen="true"] .viewer-controls {
  width: auto;
  display: block;
  overflow: visible;
  pointer-events: none;
}

.workspace[data-fullscreen="true"] [data-action="fullscreen"] {
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
  display: grid;
  place-items: center;
  padding: 0;
  border-color: rgba(246, 237, 221, 0.28);
  background: rgba(16, 13, 10, 0.82);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.34);
  pointer-events: auto;
}

.workspace[data-fullscreen="true"] [data-fullscreen-label] {
  display: none;
}

.workspace[data-fullscreen="true"] [data-fullscreen-exit-icon] {
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}