/* ============================================================
   骗子酒馆 (Liar's Tavern) — Western Tavern Theme
   ============================================================ */

/* ── Design Tokens ───────────────────────────────────────── */
:root {
  --clr-wood-dark: #1a0e06;
  --clr-wood: #2c1810;
  --clr-wood-mid: #3e2415;
  --clr-wood-light: #5c3a28;
  --clr-gold: #d4a745;
  --clr-gold-light: #f0d078;
  --clr-gold-dim: #a07830;
  --clr-red: #8b1a1a;
  --clr-red-bright: #c0392b;
  --clr-cream: #f5eedc;
  --clr-cream-dark: #d5c9b0;
  --clr-parchment: #ede0c8;
  --clr-brass: #b8860b;
  --clr-leather: #6b3a2a;
  --clr-felt: #1a3a1a;
  --clr-text: #f0e6d2;
  --clr-text-dim: #a09080;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 12px rgba(0,0,0,.5);
  --shadow-gold: 0 0 20px rgba(212,167,69,.3);
  --font-main: 'Georgia', 'Noto Serif SC', serif;
  --ease-bounce: cubic-bezier(.34,1.56,.64,1);
}

/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-main);
  color: var(--clr-text);
  background: var(--clr-wood-dark);
  /* Wood grain effect via layered gradients */
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent, transparent 2px,
      rgba(255,255,255,.008) 2px, rgba(255,255,255,.008) 4px
    ),
    linear-gradient(180deg, var(--clr-wood-dark) 0%, var(--clr-wood) 50%, var(--clr-wood-mid) 100%);
}

.bg-overlay {
  position: fixed; inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(212,167,69,.08) 0%, transparent 60%),
              radial-gradient(ellipse at 30% 70%, rgba(139,26,26,.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ── App Layout ──────────────────────────────────────────── */
.app {
  position: relative;
  z-index: 1;
  max-width: 800px;
  height: 100vh;
  height: 100dvh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.screen {
  display: none;
  width: 100%;
  max-width: 600px;
  animation: fadeIn .3s ease;
}
.screen.active { display: block; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } }

/* ── Menu Screen ─────────────────────────────────────────── */
.menu-card {
  background: linear-gradient(180deg, var(--clr-wood-mid), var(--clr-wood));
  border: 2px solid var(--clr-gold-dim);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-card), var(--shadow-gold);
}

.title {
  font-size: 2.4rem;
  color: var(--clr-gold-light);
  text-shadow: 0 2px 8px rgba(0,0,0,.6);
  margin-bottom: 4px;
  letter-spacing: .05em;
}

.subtitle {
  font-size: .9rem;
  color: var(--clr-text-dim);
  margin-bottom: 28px;
}

.menu-form { display: flex; flex-direction: column; gap: 16px; }

.input-label {
  display: block;
  font-size: .85rem;
  color: var(--clr-gold);
  text-align: left;
  margin-bottom: -12px;
}

.input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--clr-wood-light);
  border-radius: var(--radius-sm);
  background: var(--clr-wood-dark);
  color: var(--clr-text);
  font-family: var(--font-main);
  font-size: 1rem;
  outline: none;
  transition: border-color .2s;
}
.input:focus { border-color: var(--clr-gold); }
.input::placeholder { color: var(--clr-text-dim); }

.menu-buttons { display: flex; flex-direction: column; gap: 12px; }

.divider {
  display: flex; align-items: center; gap: 12px;
  color: var(--clr-text-dim); font-size: .8rem;
}
.divider::before, .divider::after {
  content: ''; flex: 1; height: 1px; background: var(--clr-wood-light);
}

.join-row { display: flex; gap: 8px; }
.join-row .input { flex: 1; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 1rem;
  cursor: pointer;
  transition: all .15s ease;
  letter-spacing: .03em;
}
.btn:active { transform: scale(.96); }

.btn-gold {
  background: linear-gradient(180deg, var(--clr-gold-light), var(--clr-gold));
  color: var(--clr-wood-dark);
  box-shadow: 0 2px 8px rgba(212,167,69,.3);
  font-weight: bold;
}
.btn-gold:hover:not(:disabled) {
  box-shadow: 0 4px 16px rgba(212,167,69,.5);
  background: linear-gradient(180deg, #f8e0a0, var(--clr-gold-light));
}
.btn-gold:disabled { opacity: .4; cursor: not-allowed; }

.btn-brass {
  background: linear-gradient(180deg, #c9a050, var(--clr-brass));
  color: var(--clr-wood-dark);
  font-weight: bold;
}
.btn-brass:hover:not(:disabled) { filter: brightness(1.1); }

.btn-danger {
  background: linear-gradient(180deg, #d44, var(--clr-red-bright));
  color: #fff;
  font-weight: bold;
  box-shadow: 0 2px 8px rgba(200,40,40,.4);
}
.btn-danger:hover:not(:disabled) { box-shadow: 0 4px 16px rgba(200,40,40,.6); }

.btn-outline {
  background: transparent;
  border: 2px solid var(--clr-wood-light);
  color: var(--clr-text-dim);
}
.btn-outline:hover { border-color: var(--clr-gold-dim); color: var(--clr-gold); }

.btn-sm { padding: 6px 14px; font-size: .85rem; }

/* ── Lobby Screen ────────────────────────────────────────── */
.lobby-card {
  background: linear-gradient(180deg, var(--clr-wood-mid), var(--clr-wood));
  border: 2px solid var(--clr-gold-dim);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
}

.panel-title {
  text-align: center;
  color: var(--clr-gold);
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.room-code-box {
  text-align: center;
  margin-bottom: 20px;
}
.room-code-label {
  display: block;
  font-size: .75rem;
  color: var(--clr-text-dim);
  text-transform: uppercase;
  letter-spacing: .1em;
}
.room-code {
  font-size: 2.6rem;
  font-weight: bold;
  color: var(--clr-gold-light);
  letter-spacing: .15em;
  text-shadow: 0 2px 8px rgba(0,0,0,.5);
}

.player-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.player-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(0,0,0,.25);
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-wood-light);
}
.player-list .player-name { font-size: 1rem; }
.player-list .player-badge {
  font-size: .75rem;
  padding: 2px 8px;
  border-radius: 10px;
}
.player-list .badge-host { background: var(--clr-gold); color: var(--clr-wood-dark); }
.player-list .badge-online { background: #2a7a2a; color: #fff; }
.player-list .badge-offline { background: #666; color: #ccc; }

.lobby-actions { display: flex; gap: 10px; }
.lobby-actions .btn { flex: 1; }

/* ── Game Screen ─────────────────────────────────────────── */
.game-layout {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  gap: 8px;
}

.game-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 4px;
  flex-shrink: 0;
}

.target-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--clr-gold), var(--clr-brass));
  padding: 8px 18px;
  border-radius: 24px;
  box-shadow: var(--shadow-gold);
}
.target-label { font-size: .75rem; color: var(--clr-wood-dark); font-weight: bold; }
.target-letter {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--clr-wood-dark);
  text-shadow: 0 1px 2px rgba(255,255,255,.3);
}

/* ── Opponents ───────────────────────────────────────────── */
.opponents-area {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  flex-shrink: 0;
}

.opponent-card {
  background: linear-gradient(180deg, var(--clr-wood-mid), var(--clr-wood));
  border: 1px solid var(--clr-wood-light);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  min-width: 100px;
  text-align: center;
  position: relative;
}
.opponent-card.current-turn {
  border-color: var(--clr-gold);
  box-shadow: 0 0 12px rgba(212,167,69,.4);
}
.opponent-name {
  font-size: .85rem;
  color: var(--clr-text);
  margin-bottom: 4px;
}
.opponent-lives {
  font-size: .8rem;
  color: var(--clr-red-bright);
}
.opponent-lives .heart { display: inline-block; }
.opponent-lives .heart.lost { opacity: .25; }
.opponent-cards {
  margin-top: 4px;
  display: flex;
  justify-content: center;
  gap: 3px;
}
.opponent-cards .card-back-mini {
  width: 18px; height: 26px;
  background: linear-gradient(135deg, #8b1a1a, #5c1010);
  border: 1px solid #a08060;
  border-radius: 2px;
}

/* ── Play Area ───────────────────────────────────────────── */
.play-area {
  flex: 1;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  background: radial-gradient(ellipse, rgba(0,0,0,.3) 0%, transparent 70%);
  border: 1px dashed var(--clr-wood-light);
  border-radius: var(--radius-md);
  padding: 12px;
  overflow-y: auto;
}

.play-area-hint {
  color: var(--clr-text-dim);
  font-size: .85rem;
  font-style: italic;
}

.play-card {
  width: 56px; height: 80px;
  background: linear-gradient(135deg, #8b1a1a, #5c1010);
  border: 2px solid var(--clr-gold-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .65rem;
  color: var(--clr-gold);
  position: relative;
  animation: cardDeal .3s var(--ease-bounce);
  box-shadow: var(--shadow-card);
}
.play-card.revealed {
  background: linear-gradient(135deg, var(--clr-parchment), var(--clr-cream-dark));
  border-color: var(--clr-gold);
  color: var(--clr-wood-dark);
  font-size: 1.4rem;
  font-weight: bold;
  animation: cardReveal .5s ease;
}
.play-card .card-owner {
  position: absolute;
  bottom: 3px;
  font-size: .5rem;
  color: inherit;
  opacity: .7;
}

@keyframes cardDeal {
  from { opacity: 0; transform: translateY(-20px) rotate(-10deg); }
}
@keyframes cardReveal {
  0% { transform: rotateY(0deg); }
  50% { transform: rotateY(90deg); }
  100% { transform: rotateY(0deg); }
}

/* ── My Hand ─────────────────────────────────────────────── */
.my-hand-area {
  flex-shrink: 0;
  padding: 4px 0 8px;
}

.hand-cards {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 8px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.hand-card {
  width: 64px;
  height: 92px;
  background: linear-gradient(180deg, var(--clr-parchment), var(--clr-cream-dark));
  border: 2px solid #a08060;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: bold;
  color: var(--clr-wood-dark);
  cursor: pointer;
  user-select: none;
  transition: transform .15s, border-color .15s, box-shadow .15s;
  box-shadow: var(--shadow-card);
  position: relative;
  flex-shrink: 0;
}
.hand-card:active { transform: scale(.94); }
.hand-card.selected {
  transform: translateY(-16px);
  border-color: var(--clr-gold);
  box-shadow: 0 8px 20px rgba(212,167,69,.5);
}
.hand-card.joker {
  background: linear-gradient(180deg, #ffe0e0, #f0c0c0);
  color: var(--clr-red);
}
.hand-card.joker .joker-star { font-size: 1rem; }

/* ── Action Bar ──────────────────────────────────────────── */
.action-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 8px;
  flex-wrap: wrap;
}

.action-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.action-label {
  font-size: .9rem;
  color: var(--clr-text);
}

.select {
  padding: 8px 12px;
  border: 2px solid var(--clr-wood-light);
  border-radius: var(--radius-sm);
  background: var(--clr-wood-dark);
  color: var(--clr-text);
  font-family: var(--font-main);
  font-size: .95rem;
  outline: none;
}
.select:focus { border-color: var(--clr-gold); }

.action-buttons { display: flex; gap: 8px; }

/* ── Log Panel ───────────────────────────────────────────── */
.log-panel {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  z-index: 50;
  display: flex;
  flex-direction: column;
  padding: 16px;
}
.log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--clr-gold);
  font-size: 1.1rem;
  margin-bottom: 12px;
  flex-shrink: 0;
}
.log-messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.log-message {
  padding: 6px 10px;
  background: rgba(255,255,255,.05);
  border-radius: 4px;
  font-size: .85rem;
  color: var(--clr-text);
  border-left: 3px solid var(--clr-gold-dim);
  animation: fadeIn .2s ease;
}

/* ── Game Over ───────────────────────────────────────────── */
.game-over-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.8);
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
}
.game-over-card {
  background: linear-gradient(180deg, var(--clr-wood-mid), var(--clr-wood));
  border: 2px solid var(--clr-gold);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-gold);
  animation: fadeIn .5s ease;
}
.game-over-text {
  font-size: 1.8rem;
  color: var(--clr-gold-light);
  margin-bottom: 24px;
}

/* ── Connection Status ────────────────────────────────────── */
.connection-status {
  position: fixed;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  font-size: .75rem;
  padding: 4px 14px;
  border-radius: 12px;
  background: rgba(0,0,0,.6);
  color: var(--clr-text-dim);
  z-index: 70;
  pointer-events: none;
}
.connection-status.connected { color: #5a5; }
.connection-status.disconnected { color: var(--clr-red-bright); }

/* ── Error Text ──────────────────────────────────────────── */
.error-text {
  color: var(--clr-red-bright);
  font-size: .85rem;
  min-height: 1.2em;
  margin-top: 8px;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 480px) {
  .title { font-size: 1.8rem; }
  .menu-card { padding: 24px 16px; }
  .lobby-card { padding: 20px 14px; }
  .room-code { font-size: 2rem; }
  .hand-card { width: 50px; height: 74px; font-size: 1.3rem; }
  .play-card { width: 44px; height: 64px; }
  .opponent-card { min-width: 70px; padding: 6px 8px; }
  .target-letter { font-size: 1.4rem; }
}