/* Fotodrop – guest gallery (/gallery). Builds on common.css tokens. */

html { overflow-anchor: none; }

body.gl {
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(130% 50% at 50% -14%, var(--accent-soft) 0%, rgba(0, 0, 0, 0) 70%) no-repeat,
    var(--bg);
}

/* ---------------------------------------------------------------- header */

.gl-hero {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: max(var(--space-6), calc(env(safe-area-inset-top) + var(--space-5))) max(var(--space-4), env(safe-area-inset-right)) var(--space-5) max(var(--space-4), env(safe-area-inset-left));
  text-align: center;
}

.eyebrow {
  margin-bottom: var(--space-2);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.gl-hero h1 {
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.subtitle {
  margin-top: var(--space-2);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.12rem;
  color: var(--text-muted);
}

.gl-hero .ornament { margin: var(--space-4) auto; }

.count {
  min-height: 1.5em;
  font-family: var(--font-display);
  font-size: 1.12rem;
  color: var(--text-muted);
  font-variant-numeric: lining-nums;
}

.upload-link { margin-top: var(--space-4); }
.btn-icon { width: 20px; height: 20px; flex: none; }

body[data-view="message"] .upload-link,
body[data-view="message"] .count,
body[data-view="empty"] .upload-link,
body[data-view="empty"] .count { display: none; }

.gl-notice {
  width: calc(100% - 2 * var(--space-4));
  max-width: 520px;
  margin: 0 auto var(--space-5);
  text-align: center;
}

/* ---------------------------------------------------------------- states */

.gl-state {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-7) var(--space-4);
  color: var(--text-muted);
}

.gl-message {
  width: calc(100% - 2 * var(--space-4));
  max-width: 480px;
  margin: 0 auto var(--space-6);
  padding: var(--space-6) var(--space-5);
  text-align: center;
  animation: gl-rise .45s var(--ease) both;
}
.gl-message h2 { margin-bottom: var(--space-2); }
.gl-message-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto var(--space-4);
  color: var(--accent);
}
.gl-message-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

@keyframes gl-rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ---------------------------------------------------------------- grid */

.gl-main {
  flex: 1 0 auto;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 0 var(--space-6);
}

.grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 3px;
}

.tile {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--bg-sunken);
  content-visibility: auto;
  contain-intrinsic-size: auto 130px;
}

.tile-btn {
  appearance: none;
  -webkit-appearance: none;
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  border-radius: inherit;
}
.tile-btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -3px;
  z-index: 1;
}

.tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .45s ease, transform .5s var(--ease);
  -webkit-touch-callout: none;
}
.tile img.is-loaded { opacity: 1; }
.tile img.is-error { opacity: 0; }

@media (hover: hover) and (pointer: fine) {
  .tile-btn:hover img { transform: scale(1.035); }
}

@media (min-width: 600px) {
  .gl-main { padding: 0 var(--space-4) var(--space-7); }
  .grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
  .tile { border-radius: var(--radius-sm); contain-intrinsic-size: auto 160px; }
}
@media (min-width: 900px) {
  .grid { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
  .tile { contain-intrinsic-size: auto 200px; }
}
@media (min-width: 1200px) {
  .grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

.sentinel { height: 1px; }

.grid-end {
  padding: var(--space-6) var(--space-4) 0;
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
}
.grid-end .ornament { margin-top: 0; }

/* ---------------------------------------------------------------- footer */

.gl-footer {
  padding: var(--space-4) var(--space-4) max(96px, calc(env(safe-area-inset-bottom) + 88px));
  text-align: center;
  font-size: .92rem;
  color: var(--text-muted);
}
.gl-footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
}
.gl-footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--space-3);
}

.nowrap { white-space: nowrap; }

/* Foto-Drop wordmark: quiet, secondary to the event title. */
.brand-foot {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: .78rem;
  letter-spacing: .02em;
  color: var(--text-muted);
}
.brand-foot .wordmark {
  width: auto;
  height: 24px;
  aspect-ratio: 332 / 142;
}

/* ---------------------------------------------------------------- floating upload button + new-photos pill */

.fab {
  position: fixed;
  z-index: 20;
  left: 50%;
  bottom: calc(var(--space-4) + env(safe-area-inset-bottom));
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 16px);
  transition: opacity .3s ease, transform .3s var(--ease), visibility 0s linear .3s, background-color .2s var(--ease);
}
.fab.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  transition: opacity .3s ease, transform .3s var(--ease), visibility 0s, background-color .2s var(--ease);
}
.fab:active { transform: translate(-50%, 0) scale(.98); }

.new-pill {
  appearance: none;
  -webkit-appearance: none;
  position: fixed;
  z-index: 21;
  top: calc(var(--space-3) + env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-4);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-elevated);
  color: var(--accent-strong);
  font: 600 .95rem/1 var(--font-body);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  animation: gl-drop .4s var(--ease) both;
}
.new-pill svg { width: 18px; height: 18px; }
@keyframes gl-drop {
  from { opacity: 0; transform: translate(-50%, -10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ---------------------------------------------------------------- viewer */

.viewer {
  position: fixed;
  z-index: 50;
  top: 0; right: 0; bottom: 0; left: 0;
  background: #0b0908;
  color: #f4ede4;
  overscroll-behavior: contain;
  animation: gl-fade .22s ease both;
}
@keyframes gl-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.viewer-stage {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  overflow: hidden;
  touch-action: none;
}

.viewer-track {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  will-change: transform;
}
.viewer-track.is-animating { transition: transform .32s var(--ease); }

.viewer-slide {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  margin: 0;
  padding: max(56px, calc(env(safe-area-inset-top) + 52px)) max(0px, env(safe-area-inset-right)) max(64px, calc(env(safe-area-inset-bottom) + 56px)) max(0px, env(safe-area-inset-left));
  background: transparent none center / contain no-repeat;
  background-origin: content-box;
  background-clip: content-box;
}
.viewer-slide[data-pos="-1"] { transform: translate3d(calc(-100% - 24px), 0, 0); }
.viewer-slide[data-pos="0"] { transform: none; }
.viewer-slide[data-pos="1"] { transform: translate3d(calc(100% + 24px), 0, 0); }

.viewer-img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: contain;
  opacity: 0;
  transition: opacity .25s ease;
  -webkit-touch-callout: default;
  user-select: none;
  -webkit-user-select: none;
}
.viewer-img.is-loaded { opacity: 1; }

.viewer-top,
.viewer-bottom {
  position: absolute;
  left: 0; right: 0;
  display: flex;
  align-items: center;
  padding-left: max(var(--space-3), env(safe-area-inset-left));
  padding-right: max(var(--space-3), env(safe-area-inset-right));
  pointer-events: none;
  transition: opacity .25s ease;
}
.viewer-top > *,
.viewer-bottom > * { pointer-events: auto; }

.viewer-top {
  top: 0;
  justify-content: space-between;
  padding-top: max(var(--space-2), env(safe-area-inset-top));
  background: linear-gradient(to bottom, rgba(0, 0, 0, .5), rgba(0, 0, 0, 0));
}

.viewer-bottom {
  bottom: 0;
  flex-direction: column;
  gap: 2px;
  padding-top: var(--space-5);
  padding-bottom: max(var(--space-3), env(safe-area-inset-bottom));
  text-align: center;
  background: linear-gradient(to top, rgba(0, 0, 0, .55), rgba(0, 0, 0, 0));
}

.viewer-pos {
  padding-left: var(--space-2);
  font-size: .95rem;
  font-variant-numeric: tabular-nums;
  color: rgba(244, 237, 228, .8);
}

.viewer-meta {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 1.1rem;
}
.viewer-meta:empty { display: none; }

.viewer-hint {
  font-size: .8rem;
  color: rgba(244, 237, 228, .62);
}

.viewer-btn {
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  cursor: pointer;
  transition: background-color .2s ease, opacity .2s ease;
}
.viewer-btn svg { width: 24px; height: 24px; }
.viewer-btn:hover { background: rgba(255, 255, 255, .22); }
.viewer-btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.viewer-btn[disabled] { opacity: 0; pointer-events: none; }

.viewer-nav {
  position: absolute;
  top: 50%;
  margin-top: -28px;
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, .1);
  transition: background-color .2s ease, opacity .25s ease;
}
.viewer-prev { left: max(var(--space-4), env(safe-area-inset-left)); }
.viewer-next { right: max(var(--space-4), env(safe-area-inset-right)); }

.viewer.chrome-hidden .viewer-top,
.viewer.chrome-hidden .viewer-bottom,
.viewer.chrome-hidden .viewer-nav { opacity: 0; pointer-events: none; }
.viewer.chrome-hidden .viewer-top > *,
.viewer.chrome-hidden .viewer-bottom > * { pointer-events: none; }

/* Phones swipe; arrows only where there is a mouse. */
@media (hover: none), (pointer: coarse) {
  .viewer-nav { display: none; }
}

body.is-locked { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  .viewer-track.is-animating { transition: none; }
}