/* ==========================================================================
   Old Maid — game shell styles
   Scoped with .oma-* so the shared site stylesheet can't leak in and we
   can't leak out. Mobile-first, single file, no image assets — every
   visual is CSS (gradients, shadows, borders) plus text/emoji glyphs.
   ========================================================================== */

:root {
  /* Vintage-parlour palette on a dark burgundy felt ground. */
  --oma-bg-0:        #260d13;
  --oma-bg-1:         #38121b;
  --oma-bg-2:         #4a1a26;
  --oma-felt:         #5c2233;
  --oma-gold:         #ffd23f;
  --oma-gold-soft:    #ffe9a3;
  --oma-mint:         #4ce0b3;
  --oma-red:          #ff5d6c;
  --oma-ink:          #fbf1e7;
  --oma-ink-dim:      #dcb9c2;
  --oma-panel:        rgba(38, 13, 19, 0.92);
  --oma-panel-line:   rgba(255, 210, 63, 0.22);
  --oma-chip:         rgba(16, 5, 8, 0.6);
  --oma-cell:         rgba(255, 255, 255, 0.06);

  /* Playing-card faces are always cream/white, independent of the felt
     theme above — that's the one deliberately "unthemed" part, same as a
     real deck. */
  --oma-card-bg:      #fbf8ef;
  --oma-card-black:   #1c2420;
  --oma-card-red:     #c81e3a;
  --oma-card-back-a:  #5c2233;
  --oma-card-back-b:  #38121b;

  /* Card geometry — one source of truth, everything else (corner sizes,
     the opponents' fan offset) derives from these via calc(), never a
     percent-of-own-width trick. */
  --oma-card-w:       clamp(40px, 11vw, 68px);
  --oma-card-h:       calc(var(--oma-card-w) * 1.4);
  --oma-back-w:       clamp(26px, 7vw, 42px);
  --oma-back-h:       calc(var(--oma-back-w) * 1.4);
  --oma-back-offset:  calc(var(--oma-back-w) * 0.32);

  --oma-radius:       16px;
  --oma-font:         'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  --oma-safe-t:       env(safe-area-inset-top, 0px);
  --oma-safe-b:       env(safe-area-inset-bottom, 0px);
  --oma-safe-l:       env(safe-area-inset-left, 0px);
  --oma-safe-r:       env(safe-area-inset-r, 0px);
}

html, body.oma-body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--oma-bg-0);
  color: var(--oma-ink);
  font-family: var(--oma-font);
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
}

.oma-red { color: var(--oma-red); }

/* --------------------------------------------------------------------------
   Shared site header — visible on the menu/help, hidden during play.
   -------------------------------------------------------------------------- */
.oma-site-header {
  position: relative;
  z-index: 40;
  font-size: 13px;
}
.oma-site-header header {
  padding: 10px calc(16px + var(--oma-safe-r)) 10px calc(16px + var(--oma-safe-l));
  padding-top: calc(10px + var(--oma-safe-t));
  background: rgba(20, 6, 10, .78);
  border-bottom: 1px solid var(--oma-panel-line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.oma-site-header a { color: var(--oma-ink-dim); text-decoration: none; padding: 5px 9px; border-radius: 8px; }
.oma-site-header a:hover { color: var(--oma-ink); background: rgba(255,255,255,.07); }
.oma-site-header a.active { color: var(--oma-gold); background: rgba(255,210,63,.14); }

body:has(.oma-root.is-playing) .oma-site-header,
body:has(.oma-root.is-playing) #footer { display: none; }

.oma-root {
  position: relative;
  min-height: 100vh;
  background:
    radial-gradient(60vw 60vw at 15% -10%, rgba(255, 93, 108, .12), transparent 60%),
    radial-gradient(70vw 70vw at 110% 10%, rgba(255, 210, 63, .08), transparent 60%),
    linear-gradient(180deg, var(--oma-bg-1), var(--oma-bg-0) 60%);
}
.oma-root.is-playing { height: 100vh; overflow: hidden; }

/* --------------------------------------------------------------------------
   Generic dialog-style screens (loading / menu / help / round-over)
   -------------------------------------------------------------------------- */
.oma-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(20px + var(--oma-safe-t)) calc(16px + var(--oma-safe-r)) calc(20px + var(--oma-safe-b)) calc(16px + var(--oma-safe-l));
  opacity: 0;
  transform: scale(.98);
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 20;
  overflow-y: auto;
}
.oma-screen.is-open { opacity: 1; transform: none; pointer-events: auto; z-index: 30; }

.oma-panel {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--oma-panel);
  border: 1px solid var(--oma-panel-line);
  border-radius: 22px;
  padding: 28px 24px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.02) inset;
}
.oma-panel-narrow { max-width: 340px; }
.oma-panel-wide { max-width: 720px; text-align: left; }

.oma-logo {
  margin: 6px 0 4px;
  font-size: 38px;
  font-weight: 800;
  letter-spacing: .3px;
  background: linear-gradient(135deg, var(--oma-gold), var(--oma-red) 65%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.oma-menu-glyphs { font-size: 26px; letter-spacing: 10px; margin-bottom: 4px; filter: drop-shadow(0 2px 8px rgba(0,0,0,.4)); }
.oma-tagline { color: var(--oma-ink-dim); margin: 0 0 18px; font-size: 14px; font-style: italic; }
.oma-muted { color: var(--oma-ink-dim); }

.oma-progress { width: 100%; height: 8px; border-radius: 8px; background: rgba(255,255,255,.08); overflow: hidden; margin-top: 18px; }
.oma-progress-bar { height: 100%; width: 40%; background: linear-gradient(90deg, var(--oma-red), var(--oma-gold)); border-radius: 8px; animation: oma-load 1.1s ease-in-out infinite; }
@keyframes oma-load { 0% { transform: translateX(-100%); } 100% { transform: translateX(250%); } }

/* Opponent-count toggle (menu only) */
.oma-opp-toggle { display: flex; gap: 6px; justify-content: center; margin: 4px 0 4px; flex-wrap: wrap; }
.oma-opp-btn {
  flex: 1; min-width: 90px; padding: 10px 8px; border-radius: 12px; cursor: pointer;
  border: 1px solid var(--oma-panel-line); background: rgba(255,255,255,.04); color: var(--oma-ink-dim);
  font-family: inherit; font-size: 12px; font-weight: 700;
}
.oma-opp-btn.is-active { background: rgba(255,210,63,.18); border-color: var(--oma-gold); color: var(--oma-ink); }

.oma-actions { display: flex; flex-direction: column; gap: 10px; margin: 18px 0 8px; }
.oma-actions-secondary { margin-top: 4px; }
.oma-btn {
  appearance: none; border: none; cursor: pointer;
  padding: 14px 20px; border-radius: 14px; font-size: 16px; font-weight: 700;
  font-family: inherit; color: var(--oma-ink);
  transition: transform .12s ease, filter .12s ease, opacity .12s ease;
}
.oma-btn:active { transform: scale(.97); }
.oma-btn-primary { background: linear-gradient(135deg, var(--oma-gold), #ffb23f); box-shadow: 0 10px 24px rgba(255,210,63,.3); color: #2a1400; }
.oma-btn-primary:hover { filter: brightness(1.08); }
.oma-btn-cash { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); color: var(--oma-ink-dim); }
.oma-btn-cash.is-disabled, .oma-btn-cash:disabled { opacity: .55; cursor: not-allowed; }
.oma-btn-ghost { background: rgba(255,255,255,.05); border: 1px solid var(--oma-panel-line); color: var(--oma-ink); }
.oma-btn-ghost:hover { background: rgba(255,255,255,.09); }

.oma-record-strip {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  margin: 14px 0 6px;
}
.oma-record-item {
  padding: 10px 8px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(255,210,63,.1), rgba(255,93,108,.08));
  border: 1px solid rgba(255,210,63,.22);
  display: flex; flex-direction: column; gap: 2px;
}
.oma-record-label { font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--oma-gold-soft); }
.oma-record-value { font-size: 16px; font-weight: 800; color: var(--oma-ink); font-variant-numeric: tabular-nums; }

.oma-fineprint { margin-top: 14px; font-size: 11px; color: var(--oma-ink-dim); opacity: .8; line-height: 1.5; }
.oma-version::before { content: 'v' attr(data-v); }

.oma-close {
  position: absolute; top: 14px; right: 14px; width: 34px; height: 34px;
  border-radius: 50%; border: 1px solid var(--oma-panel-line); background: rgba(255,255,255,.06);
  color: var(--oma-ink); font-size: 20px; line-height: 1; cursor: pointer;
}

.oma-h2 { margin: 0 0 14px; font-size: 22px; font-weight: 800; color: var(--oma-ink); }
.oma-h3 { margin: 18px 0 8px; font-size: 15px; color: var(--oma-gold-soft); text-transform: uppercase; letter-spacing: .06em; }
.oma-h3:first-child { margin-top: 0; }
.oma-body { font-size: 14px; line-height: 1.6; color: var(--oma-ink-dim); margin: 0 0 10px; }
.oma-list { margin: 0; padding-left: 18px; color: var(--oma-ink-dim); font-size: 14px; line-height: 1.7; }
.oma-list b { color: var(--oma-ink); }

.oma-help-cols { display: grid; grid-template-columns: 1fr; gap: 22px; }
@media (min-width: 720px) {
  .oma-help-cols { grid-template-columns: 1fr 1fr; }
}

/* --------------------------------------------------------------------------
   Play screen
   -------------------------------------------------------------------------- */
#screen-play.oma-screen {
  align-items: stretch;
  justify-content: stretch;
  padding: 0;
  display: none;
  background: transparent;
}
#screen-play.oma-screen.is-open { display: flex; opacity: 1; transform: none; }

.oma-play {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  padding: calc(10px + var(--oma-safe-t)) calc(12px + var(--oma-safe-r)) calc(14px + var(--oma-safe-b)) calc(12px + var(--oma-safe-l));
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  overflow-y: auto;
  box-sizing: border-box;
}

.oma-topbar { display: flex; align-items: center; gap: 8px; }
.oma-chip {
  display: flex; align-items: baseline; gap: 6px; padding: 7px 12px;
  border-radius: 12px; background: var(--oma-chip); border: 1px solid var(--oma-panel-line);
}
.oma-chip-label { font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--oma-ink-dim); }
.oma-chip-value { font-size: 15px; font-weight: 800; font-variant-numeric: tabular-nums; }

.oma-topbar-right { display: flex; gap: 6px; margin-left: auto; }
.oma-icon-btn {
  width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--oma-panel-line);
  background: var(--oma-chip); color: var(--oma-ink); font-size: 15px; cursor: pointer;
}
.oma-icon-btn:active { transform: scale(.94); }

/* --------------------------------------------------------------------------
   The table — opponents' seats + turn status
   -------------------------------------------------------------------------- */
.oma-table {
  border-radius: 18px;
  padding: 14px 10px;
  background: radial-gradient(120% 100% at 50% 0%, var(--oma-felt), var(--oma-bg-2) 70%);
  border: 1px solid var(--oma-panel-line);
  box-shadow: inset 0 0 40px rgba(0,0,0,.35);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.oma-opponents {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.oma-opp {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 12px 8px;
  border-radius: 14px;
  background: rgba(0,0,0,.18);
  border: 1px solid transparent;
  min-width: 92px;
  transition: box-shadow .2s ease, border-color .2s ease, opacity .2s ease;
}
.oma-opp.is-turn {
  border-color: rgba(255,210,63,.5);
  box-shadow: 0 0 0 1px rgba(255,210,63,.25), 0 0 18px rgba(255,210,63,.25);
}
.oma-opp.is-target {
  cursor: pointer;
  border-color: var(--oma-mint);
  animation: oma-target-pulse 1.1s ease-in-out infinite;
}
.oma-opp.is-safe { opacity: .5; }
@keyframes oma-target-pulse {
  0%, 100% { box-shadow: 0 0 0 rgba(76,224,179,0); }
  50% { box-shadow: 0 0 18px rgba(76,224,179,.55); }
}

.oma-opp-avatar {
  width: 40px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--oma-panel-line);
}
.oma-opp-name { font-size: 12px; font-weight: 700; color: var(--oma-ink); }

.oma-opp-fan {
  position: relative;
  width: calc(var(--oma-back-w) + 5 * var(--oma-back-offset));
  height: var(--oma-back-h);
  max-width: 100%;
}
.oma-cardback {
  position: absolute;
  top: 0;
  left: calc(var(--i, 0) * var(--oma-back-offset));
  width: var(--oma-back-w);
  height: var(--oma-back-h);
  border-radius: 5px;
  background: repeating-linear-gradient(135deg, var(--oma-card-back-a) 0 5px, var(--oma-card-back-b) 5px 10px);
  border: 1px solid rgba(0,0,0,.35);
  box-shadow: 0 2px 4px rgba(0,0,0,.35);
}

.oma-opp-count {
  font-size: 11px;
  color: var(--oma-ink-dim);
  font-variant-numeric: tabular-nums;
}

.oma-opp-safe-badge {
  margin-top: 2px;
  font-size: 10px;
  font-weight: 800;
  color: var(--oma-mint);
  background: rgba(76,224,179,.14);
  border: 1px solid rgba(76,224,179,.35);
  border-radius: 8px;
  padding: 2px 8px;
}

.oma-status {
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--oma-gold-soft);
  min-height: 1.4em;
}

/* --------------------------------------------------------------------------
   Event log
   -------------------------------------------------------------------------- */
.oma-log {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-height: 108px;
  overflow-y: auto;
  font-size: 12px;
  padding: 2px 2px;
}
.oma-log:empty { display: none; }
.oma-log-row {
  padding: 5px 10px;
  border-radius: 8px;
  background: var(--oma-cell);
  color: var(--oma-ink-dim);
}
.oma-log-row:last-child { color: var(--oma-ink); }

/* --------------------------------------------------------------------------
   Your hand
   -------------------------------------------------------------------------- */
.oma-hand-wrap {
  border-radius: 14px;
  padding: 10px;
  background: rgba(0,0,0,.14);
  border: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.oma-hand-wrap.is-your-turn {
  border-color: rgba(76,224,179,.4);
  box-shadow: 0 0 18px rgba(76,224,179,.2);
}
.oma-hand-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--oma-ink-dim);
  margin-bottom: 8px;
}
.oma-hand-label span { color: var(--oma-gold-soft); font-weight: 800; }

.oma-hand {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* --------------------------------------------------------------------------
   Cards (human hand + final reveal)
   -------------------------------------------------------------------------- */
.oma-card {
  width: var(--oma-card-w);
  height: var(--oma-card-h);
  border-radius: 7px;
  box-shadow: 0 2px 4px rgba(0,0,0,.35);
}
.oma-card-face {
  position: relative;
  width: 100%; height: 100%;
  border-radius: 7px;
  background: var(--oma-card-bg);
  border: 1px solid rgba(0,0,0,.15);
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.oma-card[data-color="red"] .oma-card-rank,
.oma-card[data-color="red"] .oma-card-suit,
.oma-card[data-color="red"] .oma-card-pip { color: var(--oma-card-red); }
.oma-card[data-color="black"] .oma-card-rank,
.oma-card[data-color="black"] .oma-card-suit,
.oma-card[data-color="black"] .oma-card-pip { color: var(--oma-card-black); }

.oma-card-corner {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  font-weight: 800;
}
.oma-card-corner-tl { top: 4%; left: 8%; }
.oma-card-corner-br { bottom: 4%; right: 8%; transform: rotate(180deg); }
.oma-card-rank { font-size: calc(var(--oma-card-w) * 0.22); }
.oma-card-suit { font-size: calc(var(--oma-card-w) * 0.18); }
.oma-card-pip { font-size: calc(var(--oma-card-w) * 0.42); opacity: .9; }

/* --------------------------------------------------------------------------
   Round over
   -------------------------------------------------------------------------- */
#screen-round.oma-screen {
  background: radial-gradient(circle at 50% 40%, rgba(255,210,63,.2), rgba(38,13,19,.96) 65%);
}
.oma-result { text-align: center; max-width: 380px; }
.oma-result-title {
  font-size: clamp(30px, 9vw, 46px); font-weight: 900; margin: 0;
  background: linear-gradient(135deg, var(--oma-gold), #fff 50%, var(--oma-red));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.oma-result-sub { color: var(--oma-ink-dim); margin: 8px 0 4px; font-size: 14px; }

.oma-result-card { display: flex; justify-content: center; margin: 14px 0; }
.oma-result-card .oma-card {
  width: calc(var(--oma-card-w) * 1.3);
  height: calc(var(--oma-card-h) * 1.3);
}
.oma-result-card .oma-card-rank { font-size: calc(var(--oma-card-w) * 1.3 * 0.22); }
.oma-result-card .oma-card-suit { font-size: calc(var(--oma-card-w) * 1.3 * 0.18); }
.oma-result-card .oma-card-pip { font-size: calc(var(--oma-card-w) * 1.3 * 0.42); }

.oma-result-stats { display: flex; justify-content: center; gap: 20px; margin: 10px 0 6px; }
.oma-stat { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.oma-stat-label { font-size: 11px; color: var(--oma-ink-dim); text-transform: uppercase; letter-spacing: .05em; }
.oma-stat-value { font-size: 20px; font-weight: 800; color: var(--oma-gold-soft); font-variant-numeric: tabular-nums; }

.oma-result-best {
  margin: 6px 0 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--oma-mint);
}
.oma-result-best[hidden] { display: none; }

@media (min-width: 480px) {
  .oma-record-strip { grid-template-columns: repeat(3, 1fr); }
}