/* Open Together: photo gallery. Night-party theme, HF yellow accents. */
:root {
  --yellow: #FFD21E;
  --orange: #FF9D00;
  --pink: #ff5fa2;
  --violet: #7c5cff;
  --bg: #0b0d17;
  --bg-2: #12152a;
  --surface: rgba(255,255,255,.06);
  --surface-2: rgba(255,255,255,.1);
  --border: rgba(255,255,255,.12);
  --text: #f5f6fb;
  --muted: #a9afc4;
  --ok: #34d399;
  --err: #f87171;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fffaf0; --bg-2: #fff3d6; --surface: rgba(255,255,255,.75); --surface-2: #ffffff;
    --border: rgba(17,24,39,.1); --text: #14161f; --muted: #5d6475; --ok: #047857; --err: #b91c1c;
    --shadow: 0 10px 30px rgba(120,80,0,.12); color-scheme: light;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font: 16px/1.5 ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; -webkit-font-smoothing: antialiased; min-height: 100vh; overflow-x: hidden; }
a { color: inherit; }
svg { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.glow { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.glow span { position: absolute; border-radius: 50%; filter: blur(80px); }
.glow .g1 { width: 460px; height: 460px; top: -200px; right: -140px; background: radial-gradient(circle, var(--yellow), transparent 70%); opacity: .4; }
.glow .g2 { width: 420px; height: 420px; top: 260px; left: -240px; background: radial-gradient(circle, var(--violet), transparent 70%); opacity: .3; }
@media (prefers-color-scheme: light) { .glow .g1 { opacity: .28; } .glow .g2 { opacity: .14; } }

/* ---- header ---- */
.top {
  position: sticky; top: 0; z-index: 4; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: color-mix(in srgb, var(--bg) 78%, transparent); backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; text-decoration: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.eyebrow { font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.title { font-size: 18px; font-weight: 800; letter-spacing: -.02em; }
.top-actions { display: flex; align-items: center; gap: 8px; flex: none; }
.avatar { width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--border); }
.wrap { max-width: 1240px; margin: 0 auto; padding: 18px 16px 48px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 10px 18px;
  border-radius: 16px; border: 0; background: var(--yellow); color: #1a1300; font: inherit; font-weight: 800;
  text-decoration: none; cursor: pointer; box-shadow: 0 8px 20px rgba(255,170,0,.25);
}
.btn svg { width: 18px; height: 18px; stroke-width: 2.2; }
.btn img { width: 20px; height: 20px; }
.btn.secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); box-shadow: none; }
.btn.small { min-height: 38px; padding: 6px 14px; font-size: 14px; border-radius: 999px; }
.btn.danger { background: #dc2626; color: #fff; box-shadow: none; }
.btn.link { background: none; box-shadow: none; padding: 0 6px; min-height: 36px; color: var(--muted); text-decoration: underline; text-underline-offset: 3px; font-weight: 700; }
.btn:focus-visible, .tab:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }

/* ---- gate ---- */
.gate {
  position: relative; max-width: 440px; margin: 8vh auto 0; padding: 92px 24px 26px; text-align: center;
  border-radius: 28px; background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(14px); box-shadow: var(--shadow);
}
.gate .gate-huggy { position: absolute; top: -64px; left: 50%; transform: translateX(-50%); width: 170px; filter: drop-shadow(0 12px 24px rgba(0,0,0,.35)); }
.gate h2 { font-size: 28px; line-height: 1.1; letter-spacing: -.03em; margin: 0 0 10px; }
.gate p { color: var(--muted); margin: 0 0 22px; }
.gate .row { display: flex; flex-direction: column; gap: 10px; align-items: stretch; }

/* ---- intro + tabs ---- */
.intro { margin: 6px 0 16px; }
h1 { margin: 0; font-size: clamp(30px, 8vw, 44px); line-height: 1.05; letter-spacing: -.035em; font-weight: 800; }
.hl { background: linear-gradient(100deg, var(--yellow), var(--orange) 55%, var(--pink)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sub { margin: 6px 0 0; color: var(--muted); font-size: 14px; font-weight: 600; }
.tabs { display: flex; gap: 6px; overflow-x: auto; padding: 4px; margin-bottom: 16px; width: max-content; max-width: 100%;
  border-radius: 999px; background: var(--surface); border: 1px solid var(--border); scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { flex: none; display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: 999px; border: 0; background: transparent;
  color: var(--muted); font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; }
@media (max-width: 420px) { .tab { font-size: 13.5px; padding: 7px 10px; } .top .btn.link { padding: 0 2px; } }
.tab[aria-current="true"] { background: var(--yellow); color: #1a1300; }
.tab .count { font-size: 12px; padding: 1px 7px; border-radius: 999px; background: rgba(127,127,127,.18); color: inherit; }
.tab[aria-current="true"] .count { background: rgba(0,0,0,.12); }
.tab .count.alert { background: var(--pink); color: #fff; }
.new-pill { position: sticky; top: 74px; z-index: 3; display: block; margin: 0 auto 12px; padding: 9px 18px; border-radius: 999px; border: 0;
  background: var(--yellow); color: #1a1300; font: inherit; font-weight: 800; cursor: pointer; box-shadow: 0 8px 24px rgba(0,0,0,.35); }

.empty { text-align: center; color: var(--muted); padding: 32px 0 12px; }
.empty img { width: 140px; display: block; margin: 0 auto 12px; }
.empty strong { display: block; color: var(--text); font-size: 18px; margin-bottom: 4px; }

/* ---- grid ---- */
.grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
@media (min-width: 700px) { .grid { grid-template-columns: repeat(4, 1fr); gap: 8px; } }
@media (min-width: 1040px) { .grid { grid-template-columns: repeat(5, 1fr); gap: 10px; } }
.cell { position: relative; aspect-ratio: 1; overflow: hidden; border-radius: 8px; background: var(--surface-2); }
@media (min-width: 700px) { .cell { border-radius: 14px; } }
.cell::before { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.08) 50%, transparent 70%); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
.cell button { all: unset; position: relative; display: block; width: 100%; height: 100%; cursor: pointer; }
.cell img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: 0; transition: opacity .3s ease, transform .4s ease; }
.cell img.loaded { opacity: 1; }
.cell .by { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 8px 6px; font-size: 12px; font-weight: 700; color: #fff;
  background: linear-gradient(transparent, rgba(0,0,0,.65)); opacity: 0; transition: opacity .2s ease; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (hover: hover) { .cell:hover img { transform: scale(1.04); } .cell:hover .by { opacity: 1; } }
.cell .tag { position: absolute; top: 6px; left: 6px; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 800; background: rgba(180,83,9,.92); color: #fff; }
.cell button:focus-visible { outline: 3px solid var(--orange); outline-offset: -3px; }
.sentinel { height: 40px; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* ---- lightbox ---- */
.lightbox { position: fixed; top: 0; left: 0; right: 0; height: 100vh; height: 100dvh; z-index: 20; display: flex; flex-direction: column;
  background: #05060c; color: #fff; overflow: hidden; overscroll-behavior: contain; animation: fade .2s ease both; }
.lb-top, .lb-actions { flex: none; display: flex; align-items: center; gap: 10px; padding: 12px 14px; }
.lb-top { justify-content: space-between; padding-top: calc(12px + env(safe-area-inset-top)); }
.lb-actions { justify-content: center; flex-wrap: wrap; padding-bottom: calc(14px + env(safe-area-inset-bottom)); }
.lb-credit { display: flex; align-items: center; gap: 10px; min-width: 0; font-weight: 700; }
.lb-credit img { width: 34px; height: 34px; border-radius: 50%; border: 2px solid rgba(255,255,255,.2); }
.lb-credit a { color: #fff; text-decoration: none; }
.lb-credit .who { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.lb-credit .when { color: #a9afc4; font-weight: 500; font-size: 13px; }
.lb-stage { position: relative; flex: 1 1 auto; min-height: 0; overflow: hidden; touch-action: pan-y; }
.lb-stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; user-select: none; -webkit-user-drag: none; }
.icon-btn { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(255,255,255,.12); color: #fff; cursor: pointer; }
.icon-btn svg { width: 20px; height: 20px; }
.nav { position: absolute; top: 50%; transform: translateY(-50%); z-index: 1; display: grid; place-items: center; width: 48px; height: 48px; border: 0; border-radius: 50%;
  background: rgba(255,255,255,.12); color: #fff; cursor: pointer; backdrop-filter: blur(8px); }
.nav svg { width: 24px; height: 24px; }
.nav.prev { left: 12px; } .nav.next { right: 12px; }
@media (hover: none) { .nav { display: none; } }
.lightbox .btn { min-height: 44px; padding: 8px 16px; border-radius: 999px; }
.lightbox .btn.secondary { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.2); }
.state-tag { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 800; background: #b45309; color: #fff; flex: none; }

.toast { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 30;
  max-width: calc(100% - 32px); padding: 12px 18px; border-radius: 999px; background: #fff; color: #111; font-weight: 700; box-shadow: 0 12px 40px rgba(0,0,0,.4); animation: fade .2s ease both; }
.frame-banner { display: flex; gap: 10px; align-items: center; justify-content: space-between; padding: 10px 16px; background: var(--yellow); color: #111; font-size: 14px; font-weight: 700; }
.pill-link { padding: 6px 12px; border-radius: 999px; background: #111; color: #fff; text-decoration: none; font-weight: 800; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
[hidden] { display: none !important; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }