/* Pearl Gallery — gallery-wall identity.
 * Deep charcoal-green walls, brass frames, spotlight glow on each frame.
 * Distinct from sibling apps, inside the Pearl brand family. */
:root {
  --wall: #111511;
  --wall-2: #171c17;
  --ink: #ece7d9;
  --muted: #a8a191;
  --brass: #c9a86a;
  --brass-dim: #a59473;
  --frame: #232a23;
  --spot: rgba(255, 244, 214, 0.07);
  --ok: #7fc98f;
  --bad: #e07a7a;
  --card: #1a201a;
  --line: #2b332b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 50% -10%, var(--spot), transparent 60%),
    var(--wall);
  color: var(--ink);
  font: 16px/1.6 "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.86em; }
.muted { color: var(--muted); }
.hidden { display: none !important; }
.mt { margin-top: 14px; }
.center { text-align: center; margin: 26px 0; }
a { color: var(--brass); }
a:hover { color: #e6c88a; }

/* ---------- hero ---------- */
.hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(900px 260px at 50% 0%, rgba(201, 168, 106, 0.10), transparent 65%),
    linear-gradient(180deg, #141a14, var(--wall));
}
.kicker {
  text-transform: uppercase; letter-spacing: 0.22em; font-size: 0.72rem;
  color: var(--brass-dim); margin: 0 0 10px;
}
.hero h1 {
  margin: 0 0 12px; font-size: 3rem; line-height: 1.05; letter-spacing: 0.01em;
  color: var(--ink);
  text-shadow: 0 2px 24px rgba(201, 168, 106, 0.25);
}
.lede { max-width: 640px; color: var(--muted); font-size: 1.06rem; }
.conn {
  display: inline-block; margin-top: 14px; padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--wall-2);
  font-size: 0.82rem; color: var(--muted);
}
.conn.on { border-color: #3d5a44; color: var(--ok); }
.conn.err { border-color: #5a3d3d; color: var(--bad); }

/* ---------- cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
  margin: 22px 0;
}
.card h2 { margin: 0 0 10px; font-size: 1.25rem; color: var(--ink); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1 1 240px; }
input[type="url"], input:not([type]) {
  background: #0e120e; border: 1px solid var(--line); color: var(--ink);
  border-radius: 8px; padding: 10px 12px; font-size: 0.95rem;
}
input:focus { outline: 2px solid var(--brass-dim); border-color: var(--brass); }
.btn {
  background: linear-gradient(180deg, #d8b878, #b8945a); color: #1c1710;
  border: 0; border-radius: 8px; padding: 10px 18px; font-weight: 700;
  cursor: pointer; font-size: 0.95rem;
}
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: 0.4; cursor: default; filter: none; }
.btn.ghost { background: transparent; color: var(--brass); border: 1px solid var(--brass-dim); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.stat { background: #0e120e; border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; }
.stat .k { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted); }
.stat .v { font-size: 1.15rem; color: var(--ink); }

/* ---------- tabs ---------- */
.tabs { display: flex; gap: 8px; margin: 26px 0 6px; border-bottom: 1px solid var(--line); padding-bottom: 10px; }
.tab {
  background: transparent; border: 1px solid transparent; color: var(--muted);
  padding: 8px 18px; border-radius: 8px 8px 0 0; cursor: pointer; font-size: 1rem; font-family: inherit;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--brass); border-color: var(--line); border-bottom-color: var(--card); background: var(--card); }

/* ---------- the wall ---------- */
.wall-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px; margin: 18px 0 4px; }
.wall-head h2 { margin: 0; font-size: 1.4rem; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.fchip {
  background: #0e120e; border: 1px solid var(--line); color: var(--muted);
  border-radius: 999px; padding: 6px 14px; cursor: pointer; font-size: 0.85rem; font-family: inherit;
}
.fchip.active { border-color: var(--brass); color: var(--brass); }

.wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 22px;
  margin: 14px 0 8px;
}

/* brass frame + spotlight */
.frame {
  position: relative;
  background: linear-gradient(180deg, #2b2317, #1d1810);
  border: 1px solid var(--brass-dim);
  outline: 5px solid #14100b;
  border-radius: 3px;
  padding: 10px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.55);
}
.frame:hover, .frame:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.65), 0 0 0 1px var(--brass);
  outline-color: #1a140c;
}
.frame::before { /* spotlight wash */
  content: ""; position: absolute; inset: 0; border-radius: 2px; pointer-events: none;
  background: radial-gradient(140% 90% at 50% 0%, var(--spot), transparent 55%);
}
.frame-num {
  position: absolute; top: 4px; left: 10px; z-index: 2;
  font-size: 0.78rem; color: var(--brass); letter-spacing: 0.08em;
  background: rgba(14, 18, 14, 0.75); padding: 1px 8px; border-radius: 4px;
}
.thumb {
  position: relative; aspect-ratio: 1; border-radius: 2px; overflow: hidden;
  background: #0b0e0b;
  display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 6px;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb.loading .thumb-glyph { animation: spin 1.6s linear infinite; color: var(--brass-dim); font-size: 1.6rem; }
@keyframes spin { to { transform: rotate(360deg); } }
.thumb.failed { color: var(--bad); }
.thumb-err { font-size: 0.8rem; color: var(--bad); }
.thumb-glyph { font-size: 2rem; color: var(--brass-dim); }
.thumb-type { font-size: 0.72rem; color: var(--muted); font-family: ui-monospace, monospace; max-width: 90%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.frame-meta { display: flex; gap: 6px; align-items: center; margin-top: 9px; flex-wrap: wrap; }
.chip {
  font-size: 0.72rem; border: 1px solid var(--line); border-radius: 999px;
  padding: 1px 9px; color: var(--muted); font-family: ui-monospace, monospace;
}
.chip.type { color: var(--brass); border-color: var(--brass-dim); }
.chip.marker { color: #9fd3c7; border-color: #3d5a55; }
.size { font-size: 0.78rem; color: var(--muted); margin-left: auto; }
.frame-sub { margin-top: 4px; font-size: 0.78rem; color: var(--muted); }
.frame-sub .blk { color: var(--muted); }

.empty {
  grid-column: 1 / -1;
  border: 1px dashed var(--line); border-radius: 10px; padding: 28px;
  color: var(--muted); text-align: center;
}

/* ---------- detail dialog ---------- */
.detail {
  background: var(--card); color: var(--ink);
  border: 1px solid var(--brass-dim); border-radius: 14px;
  max-width: 860px; width: calc(100vw - 40px); padding: 0;
}
.detail::backdrop { background: rgba(5, 7, 5, 0.75); backdrop-filter: blur(3px); }
.dlg-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.dlg-head h2 { margin: 0; font-size: 1.3rem; color: var(--brass); }
.dlg-close { background: transparent; border: 1px solid var(--line); color: var(--ink); border-radius: 8px; padding: 6px 12px; cursor: pointer; font-size: 1rem; }
.dlg-close:hover { border-color: var(--brass); color: var(--brass); }
.dlg-body { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 22px; }
.dlg-content { display: flex; align-items: flex-start; justify-content: center; }
.full-img { max-width: 100%; max-height: 52vh; border-radius: 6px; border: 1px solid var(--line); }
.dlg-content audio, .dlg-content video { width: 100%; }
.code-view {
  width: 100%; max-height: 52vh; overflow: auto; white-space: pre-wrap; word-break: break-word;
  background: #0e120e; border: 1px solid var(--line); border-radius: 8px; padding: 12px; font-size: 0.82rem;
}
.kv { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.kv th { text-align: left; color: var(--muted); font-weight: 400; padding: 6px 10px 6px 0; vertical-align: top; white-space: nowrap; }
.kv td { padding: 6px 0; }
.kv .wrap { word-break: break-all; }

/* ---------- footer ---------- */
.foot { margin: 40px auto 48px; padding-top: 22px; border-top: 1px solid var(--line); text-align: center; }
.donate { margin-top: 10px; display: flex; gap: 10px; align-items: center; justify-content: center; flex-wrap: wrap; }
.addr {
  cursor: pointer; background: #0e120e; border: 1px solid var(--line);
  padding: 6px 12px; border-radius: 8px; user-select: all; color: var(--ink);
  max-width: 100%; overflow-wrap: anywhere; word-break: break-all; /* the prl1 address is one long unbroken string — must wrap on mobile */
}
.addr:hover { border-color: var(--brass); }

@media (max-width: 720px) {
  .hero h1 { font-size: 2.1rem; }
  .dlg-body { grid-template-columns: 1fr; }
  .wall { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
}

/* Keyboard focus: a visible ring in this app's accent on every interactive element (fleet focus-visible pass). */
:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }

/* Skip link: the first Tab stop on the page — parked off-screen until keyboard focus reveals it (fleet skip-link pass). */
.skip-link { position: absolute; left: 12px; top: -64px; z-index: 1000; padding: 10px 16px; border: 2px solid var(--brass); border-radius: 8px; background: #0b0e14; color: var(--brass); font-weight: 700; text-decoration: none; transition: top .15s ease; }
.skip-link:focus-visible { top: 12px; }
main:focus { outline: none; }

/* Reduced motion: when the OS asks for reduced motion, animations and transitions finish near-instantly and scrolling is not smoothed (fleet reduced-motion pass). Near-zero durations — not animation: none — so fade-ins still land on their end state and no content can be stranded invisible. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}