/* ============================================================
   Shithead — "The Card Den"
   Deep emerald felt, brass ledger accents, oxblood danger notes.
   ============================================================ */

:root {
  --felt-900: #06231a;
  --felt-800: #0b3a2b;
  --felt-700: #10513c;
  --felt-600: #166049;
  --gold-300: #f3dfa0;
  --gold-400: #e2bd6b;
  --gold-500: #c99c3f;
  --gold-600: #a87b2c;
  --oxblood-500: #8e2430;
  --oxblood-400: #b13140;
  --cream: #f4ead4;
  --parchment: #efe2c3;
  --ink: #241c12;
  --ink-soft: #4a3f2e;
  --suit-red: #a2242f;
  --suit-black: #1b1712;
  --shadow-deep: 0 20px 45px -15px rgba(0, 0, 0, 0.65);
  --radius-card: 10px;
  --font-display: "Fraunces", "Iowan Old Style", serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

@media (prefers-color-scheme: light) {
  :root { color-scheme: dark; }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--felt-900);
  color: var(--cream);
  font-family: var(--font-mono);
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(120% 90% at 50% -10%, var(--felt-600) 0%, var(--felt-800) 45%, var(--felt-900) 100%);
  min-height: 100vh;
  position: relative;
}

.felt-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    repeating-linear-gradient(115deg, rgba(255,255,255,0.015) 0 2px, transparent 2px 6px),
    radial-gradient(140% 100% at 50% 100%, transparent 40%, rgba(0,0,0,0.55) 100%);
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

h1, h2 { font-family: var(--font-display); margin: 0; }

/* ---------- language switcher ---------- */

.lang-switcher {
  position: fixed;
  top: 14px;
  right: 16px;
  z-index: 40;
  display: flex;
  gap: 4px;
  background: rgba(6, 20, 15, 0.55);
  border: 1px solid rgba(226, 189, 107, 0.3);
  border-radius: 20px;
  padding: 4px;
  backdrop-filter: blur(4px);
}

.lang-btn {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: none;
  border-radius: 14px;
  padding: 5px 9px;
  background: transparent;
  color: var(--gold-300);
  opacity: 0.65;
  cursor: pointer;
  transition: background 0.15s ease, opacity 0.15s ease, color 0.15s ease;
}
.lang-btn:hover { opacity: 1; }
.lang-btn.active {
  background: linear-gradient(180deg, var(--gold-300), var(--gold-500));
  color: var(--ink);
  opacity: 1;
}

.lang-switcher--inline {
  position: static;
  background: none;
  border: none;
  padding: 0;
  backdrop-filter: none;
}

/* ---------- screens ---------- */

.screen {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: none;
}
.screen.active { display: block; }
.screen--center.active {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

/* ---------- landing / lobby card ---------- */

.landing-card {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(180deg, var(--parchment), var(--cream));
  color: var(--ink);
  border-radius: 18px;
  padding: 40px 32px 32px;
  box-shadow: var(--shadow-deep), 0 0 0 1px var(--gold-500), 0 0 0 7px var(--felt-800);
  text-align: center;
  animation: rise 0.55s cubic-bezier(.2,.8,.2,1);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin: 0 0 6px;
  font-weight: 600;
}

.wordmark {
  font-size: 3.1rem;
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1;
}
.wordmark__accent { color: var(--oxblood-500); }

.tagline {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 10px 0 28px;
}

.form { display: flex; flex-direction: column; gap: 18px; text-align: left; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field__label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  font-weight: 600;
}
.field__label em { text-transform: none; font-style: italic; opacity: 0.75; letter-spacing: 0; }

input[type="text"] {
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 11px 13px;
  border: none;
  border-bottom: 2px solid var(--gold-500);
  background: rgba(0,0,0,0.04);
  border-radius: 6px 6px 2px 2px;
  color: var(--ink);
  outline: none;
  transition: background 0.2s, border-color 0.2s;
}
input[type="text"]:focus { background: rgba(0,0,0,0.08); border-color: var(--oxblood-500); }
input[type="text"]::placeholder { color: #9a8c6e; }

.btn {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  border-radius: 8px;
  padding: 14px 20px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
  position: relative;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; filter: grayscale(0.4); }
.btn:not(:disabled):hover { transform: translateY(-2px); }
.btn:not(:disabled):active { transform: translateY(0); }

.btn--gold {
  background: linear-gradient(180deg, var(--gold-300), var(--gold-500));
  color: var(--ink);
  box-shadow: 0 8px 20px -8px rgba(169, 123, 30, 0.7), inset 0 1px 0 rgba(255,255,255,0.6);
}
.btn--gold:not(:disabled):hover { box-shadow: 0 12px 24px -8px rgba(169, 123, 30, 0.85), inset 0 1px 0 rgba(255,255,255,0.6); }

.btn--red {
  background: linear-gradient(180deg, var(--oxblood-400), var(--oxblood-500));
  color: var(--cream);
  box-shadow: 0 8px 20px -8px rgba(142, 36, 48, 0.7);
}

.btn--sm { padding: 11px 16px; font-size: 0.72rem; }

.form-error {
  min-height: 1.1em;
  color: var(--oxblood-500);
  font-size: 0.78rem;
  margin: 0;
  font-weight: 600;
}

.hint { font-size: 0.75rem; color: var(--ink-soft); margin-top: 14px; }

.link-btn {
  display: inline-block;
  margin-top: 20px;
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--gold-600);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color 0.15s ease;
}
.link-btn:hover { color: var(--oxblood-500); }

.room-code {
  font-size: 2.6rem;
  letter-spacing: 0.16em;
  color: var(--oxblood-500);
  font-style: italic;
  margin-bottom: 4px;
}

.seat-list { list-style: none; margin: 20px 0 26px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.seat-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(0,0,0,0.05);
  border-left: 3px solid var(--gold-500);
  border-radius: 4px;
  font-size: 0.88rem;
  text-align: left;
}
.seat-list li .seat-num { color: var(--gold-600); font-weight: 700; width: 1.4em; }
.seat-list li .seat-host { margin-left: auto; font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--oxblood-500); font-weight: 700; }

.finish-list { text-align: left; list-style: none; margin: 20px 0 26px; padding: 0; counter-reset: place; display:flex; flex-direction:column; gap:8px; }
.finish-list li {
  padding: 10px 12px;
  background: rgba(0,0,0,0.05);
  border-radius: 4px;
  font-size: 0.92rem;
  display: flex;
  gap: 10px;
  align-items:center;
}
.finish-list li .medal { font-family: var(--font-display); font-style: italic; font-weight:700; color: var(--gold-600); min-width: 1.6em; }
.finish-list li:last-child { border-left: 3px solid var(--oxblood-500); color: var(--oxblood-500); font-weight: 700; }

/* ============================================================
   GAME SCREEN
   ============================================================ */

.tablebar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 20px;
  background: linear-gradient(180deg, rgba(6,20,15,0.95), rgba(6,20,15,0.75));
  border-bottom: 1px solid var(--gold-600);
  backdrop-filter: blur(6px);
}
.tablebar__brand { font-family: var(--font-display); font-style: italic; font-weight: 700; font-size: 1.25rem; }
.tablebar__room { font-size: 0.78rem; color: var(--gold-300); opacity: 0.9; }
.tablebar__room strong { color: var(--gold-400); letter-spacing: 0.1em; }
.help-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--gold-500);
  background: rgba(255,255,255,0.05);
  color: var(--gold-300);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.72rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, color 0.15s ease;
  flex-shrink: 0;
}
.help-btn:hover { background: var(--gold-500); color: var(--ink); }
.help-btn.is-muted { opacity: 0.4; text-decoration: line-through; }
.direction-indicator {
  display: none;
  font-size: 0.7rem;
  color: var(--gold-300);
  opacity: 0.75;
  letter-spacing: 0.04em;
}
.tablebar__turn {
  margin-left: auto;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255,255,255,0.06);
}
.tablebar__turn.is-me {
  background: linear-gradient(180deg, var(--gold-300), var(--gold-500));
  color: var(--ink);
  animation: pulse-glow 1.6s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(226, 189, 107, 0.55); }
  50% { box-shadow: 0 0 0 8px rgba(226, 189, 107, 0); }
}

.table {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 14px auto 0;
  padding: 28px 20px 200px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: calc(100vh - 84px);
  border-radius: 28px;
  background:
    radial-gradient(85% 45% at 50% 0%, rgba(255,255,255,0.07), transparent 60%),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.02) 0 3px, transparent 3px 6px),
    repeating-linear-gradient(-45deg, rgba(0,0,0,0.03) 0 3px, transparent 3px 6px),
    radial-gradient(120% 90% at 50% 8%, var(--felt-600) 0%, var(--felt-700) 45%, var(--felt-800) 100%);
  box-shadow:
    inset 0 0 90px rgba(0,0,0,0.55),
    inset 0 2px 0 rgba(255,255,255,0.06),
    0 0 0 2px var(--gold-600),
    0 0 0 9px var(--felt-900),
    0 30px 70px -25px rgba(0,0,0,0.75);
}

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

.opp {
  background: rgba(0,0,0,0.22);
  border: 1px solid rgba(226,189,107,0.25);
  border-radius: 12px;
  padding: 10px 12px;
  min-width: 150px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: box-shadow 0.25s, border-color 0.25s;
}
.opp.is-turn {
  border-color: var(--gold-400);
  box-shadow: 0 0 0 1px var(--gold-400), 0 0 24px -4px rgba(226,189,107,0.6);
}
.opp.is-out { opacity: 0.45; }
.opp__head { display: flex; align-items: center; gap: 8px; }
.opp__avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: linear-gradient(180deg, var(--gold-300), var(--gold-600));
  color: var(--ink); font-weight: 700; font-size: 0.78rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.opp__name { font-size: 0.82rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.opp__badge { margin-left: auto; font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--oxblood-400); font-weight: 700; }
.opp__zones { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.opp__stack { display: flex; align-items: center; gap: 4px; }
.opp__count { font-size: 0.68rem; color: var(--gold-300); opacity: 0.85; }
.opp__piles { display: flex; gap: 5px; }

/* ---------- center stage ---------- */

.center-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 10px 0 4px;
}
.stack-group { display: flex; gap: 28px; align-items: center; justify-content: center; }
.stack { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.stack__label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--gold-300); opacity: 0.8; }
.stack__count {
  width: 62px; height: 88px;
  border-radius: var(--radius-card);
  background:
    repeating-linear-gradient(45deg, var(--oxblood-500) 0 6px, var(--oxblood-400) 6px 12px);
  border: 2px solid var(--gold-500);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-style: italic; font-size: 1.3rem;
  color: var(--cream);
  box-shadow: var(--shadow-deep);
}
.stack__cards { position: relative; width: 62px; height: 88px; }
.rank-req {
  font-size: 0.78rem;
  color: var(--gold-300);
  min-height: 1.2em;
  letter-spacing: 0.04em;
}
.rank-req strong { color: var(--cream); font-size: 1rem; }

/* ---------- playing card ---------- */

.card {
  width: 62px;
  height: 88px;
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, #fffdf7, var(--cream));
  border: 1px solid rgba(0,0,0,0.15);
  box-shadow: var(--shadow-deep);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 5px 6px;
  font-family: var(--font-display);
  font-weight: 700;
  user-select: none;
  flex-shrink: 0;
}
.card.suit-red { color: var(--suit-red); }
.card.suit-black { color: var(--suit-black); }
.card__corner { font-size: 0.95rem; line-height: 1; }
.card__corner--bottom { align-self: flex-end; transform: rotate(180deg); }
.card__pip { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 1.7rem; opacity: 0.9; }

.card.card--back {
  background:
    repeating-linear-gradient(135deg, var(--felt-700) 0 6px, var(--felt-800) 6px 12px);
  border: 1.5px solid var(--gold-500);
  position: relative;
}
.card.card--back::after {
  content: "";
  position: absolute; inset: 5px;
  border: 1px solid rgba(226,189,107,0.4);
  border-radius: 6px;
}

.card.mini { width: 26px; height: 37px; padding: 2px 3px; border-radius: 5px; }
.card.mini .card__corner { font-size: 0.5rem; }
.card.mini .card__pip { font-size: 0.7rem; }

.card--pile-stacked {
  position: absolute;
  top: 0; left: 0;
  transition: transform 0.25s ease;
}

.card--selectable { cursor: pointer; transition: transform 0.18s ease, box-shadow 0.18s ease; }
.card--selectable:hover { transform: translateY(-8px); }
.card--selected { transform: translateY(-16px); box-shadow: 0 0 0 3px var(--gold-400), var(--shadow-deep); }
.card--legal { box-shadow: 0 0 0 2px rgba(226,189,107,0.65), var(--shadow-deep); }
.card--illegal { filter: saturate(0.35) brightness(0.85); }

/* ---------- my area ---------- */

.hud {
  position: fixed;
  right: 16px;
  top: 74px;
  width: 210px;
  max-height: 240px;
  background: rgba(6,20,15,0.75);
  border: 1px solid rgba(226,189,107,0.25);
  border-radius: 10px;
  padding: 10px 12px;
  overflow-y: auto;
  z-index: 15;
  backdrop-filter: blur(4px);
}
.hud__title { font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--gold-400); margin-bottom: 6px; }
.hud ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.hud li { font-size: 0.72rem; color: var(--cream); opacity: 0.85; line-height: 1.3; }

.my-area {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 15;
  background: linear-gradient(180deg, transparent, rgba(6,20,15,0.85) 30%, rgba(6,20,15,0.97));
  padding: 16px 16px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.my-piles { display: flex; gap: 16px; min-height: 40px; }

.pile-stack {
  position: relative;
  width: 62px;
  height: 94px;
}
.pile-stack .card--back {
  position: absolute;
  top: 6px;
  left: 0;
}
.pile-stack .card:not(.card--back) {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}
.pile-stack .card:not(.card--back).card--selectable:hover { transform: translateY(-8px); }
.pile-stack .card:not(.card--back).card--selected { transform: translateY(-16px); }

.pile-stack.mini { width: 26px; height: 40px; }
.pile-stack.mini .card--back { top: 3px; }

.my-hand {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 100%;
  padding-top: 6px;
}

.action-bar { display: flex; gap: 12px; }

/* ---------- toast ---------- */

.toast {
  position: fixed;
  top: 74px;
  left: 50%;
  transform: translateX(-50%) translateY(-14px);
  background: var(--oxblood-500);
  color: var(--cream);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: var(--shadow-deep);
  max-width: 90vw;
  text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- how-to-play modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 48px 16px;
  overflow-y: auto;
  background: rgba(4, 14, 10, 0.72);
  backdrop-filter: blur(3px);
}
.modal-overlay.show { display: flex; }

.modal-card {
  position: relative;
  width: 100%;
  max-width: 560px;
  background: linear-gradient(180deg, var(--parchment), var(--cream));
  color: var(--ink);
  border-radius: 18px;
  padding: 40px 36px 34px;
  box-shadow: var(--shadow-deep), 0 0 0 1px var(--gold-500), 0 0 0 7px var(--felt-800);
  animation: rise 0.4s cubic-bezier(.2,.8,.2,1);
}

.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--gold-600);
  background: rgba(0,0,0,0.05);
  color: var(--ink-soft);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, color 0.15s ease;
}
.modal-close:hover { background: var(--oxblood-500); color: var(--cream); border-color: var(--oxblood-500); }

.modal-title {
  font-size: 2.1rem;
  font-style: italic;
  color: var(--oxblood-500);
  margin: 2px 0 14px;
}

.modal-lede {
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0 0 24px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--gold-600);
}

.rules-body { display: flex; flex-direction: column; gap: 20px; text-align: left; }
.rule h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--ink);
  margin: 0 0 6px;
}
.rule p {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
}
.rule ul {
  margin: 0;
  padding-left: 1.1em;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.rule li {
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--ink-soft);
}
.rule li strong { color: var(--oxblood-500); font-family: var(--font-mono); }

/* ---------- responsive ---------- */

@media (max-width: 640px) {
  .wordmark { font-size: 2.4rem; }
  .landing-card { padding: 32px 22px 26px; }
  .hud { display: none; }
  .card { width: 50px; height: 71px; }
  .stack__count, .stack__cards { width: 50px; height: 71px; }
  .my-area { padding: 12px 10px 14px; }
  .opp { min-width: 120px; padding: 8px 10px; }
  .modal-card { padding: 32px 22px 26px; }
  .modal-title { font-size: 1.7rem; }
  .modal-overlay { padding: 28px 12px; }
  .tablebar { flex-wrap: wrap; row-gap: 6px; }
  .tablebar__turn { margin-left: 0; order: 5; width: 100%; text-align: center; }
  .lang-switcher { top: auto; bottom: 12px; right: 12px; }
}