/* ==========================================================================
   谁是卧底
   ========================================================================== */

/* 统一布局：模式按钮（共用 .mode-tabs）与内容列（状态栏 / 舞台 / 控制区 / 规则）等宽居中 */
.udc-app {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 20px;
  width: min(94vw, 620px);
  margin: 0 auto;
}
.udc-app .mode-tabs { box-sizing: border-box; }
.udc { width: 100%; }

/* 状态栏 */
.udc-status {
  display: flex; gap: 10px; flex-wrap: wrap;
  padding: 14px 18px; border-radius: var(--radius);
  border: 1px solid var(--border-soft); background: var(--surface);
}
.udc-status-item { display: flex; flex-direction: column; gap: 2px; min-width: 90px; }
.udc-status-item small { font-size: 11.5px; color: var(--text-mute); }
.udc-status-item b { font-size: 15px; font-weight: 700; }

/* 结果横幅 */
.udc-banner {
  padding: 16px 18px; text-align: center; border-radius: var(--radius);
  border: 1px solid rgba(139, 92, 246, 0.4);
  background: linear-gradient(120deg, rgba(139, 92, 246, 0.18), rgba(34, 211, 238, 0.1));
}
.udc-banner.is-civilians { border-color: rgba(74, 222, 128, 0.45); }
.udc-banner.is-undercover { border-color: rgba(251, 113, 133, 0.45); }
.udc-banner.is-blank { border-color: rgba(251, 191, 36, 0.45); }
.udc-banner-title { font-size: 18px; font-weight: 700; }
.udc-banner-detail { margin-top: 6px; font-size: 13px; color: var(--text-dim); }

/* 舞台 */
.udc-board { display: block; width: 100%; }
.udc-board[hidden] { display: none; }
.udc-stage { display: flex; flex-direction: column; gap: 14px; width: 100%; }

/* 词语卡 */
.udc-word {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 22px 18px; border-radius: var(--radius);
  border: 1px solid var(--border); background: rgba(255, 255, 255, 0.045);
}
.udc-word-tip { font-size: 12.5px; color: var(--text-mute); }
.udc-word-value { font-size: 26px; font-weight: 800; letter-spacing: 2px; }
.udc-word-value.is-hidden { color: var(--text-mute); }
.udc-word .btn { padding: 8px 20px; font-size: 14px; }

/* 座位 */
.udc-seats { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.udc-seat {
  padding: 12px 14px; border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.035);
  transition: border-color .2s, background .2s, transform .12s;
}
.udc-seat.is-me { border-color: rgba(139, 92, 246, 0.55); background: rgba(139, 92, 246, 0.1); }
.udc-seat.is-actor { box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.5) inset; }
.udc-seat.is-out { opacity: .45; }
.udc-seat.is-pick { cursor: pointer; }
.udc-seat.is-pick:hover { transform: translateY(-2px); background: rgba(255, 255, 255, 0.1); }
.udc-seat-no { font-size: 12px; color: var(--text-mute); }
.udc-seat-name { font-size: 14.5px; font-weight: 600; margin: 2px 0 4px; }
.udc-seat-state { font-size: 12px; color: var(--text-dim); }
.udc-seat-desc { margin-top: 6px; font-size: 12.5px; color: #a5b4fc; line-height: 1.5; }
.udc-seat-votes { margin-top: 4px; font-size: 11.5px; color: var(--text-mute); }

/* 操作区 */
.udc-action { display: flex; flex-direction: column; gap: 10px; }
.udc-hint { font-size: 13px; color: var(--text-dim); text-align: center; padding: 6px 0; }
.udc-input {
  width: 100%; box-sizing: border-box; padding: 11px 14px;
  font-family: inherit; font-size: 14.5px; color: var(--text);
  border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: rgba(6, 9, 18, 0.55); outline: none;
}
.udc-input:focus { border-color: rgba(139, 92, 246, 0.7); box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.18); }
select.udc-input {
  appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-mute) 50%),
                    linear-gradient(135deg, var(--text-mute) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 36px;
  cursor: pointer;
}
select.udc-input option { color: #101827; background: #ffffff; }
.udc-tie { display: flex; gap: 8px; flex-wrap: wrap; }
.udc-note { font-size: 12.5px; color: var(--text-dim); text-align: center; padding: 4px 0; }
.udc-controls:empty { display: none; }

/* 配置面板与分段按钮组 */
.udc-setup {
  display: flex; flex-direction: column; gap: 14px;
  padding: 22px; border-radius: var(--radius);
  border: 1px solid var(--border-soft); background: var(--surface);
}
.udc-seg { display: flex; flex-wrap: wrap; gap: 6px; }
.udc-seg-btn {
  padding: 8px 14px; font-family: inherit; font-size: 13.5px;
  border-radius: 10px; border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.04); color: var(--text-dim); cursor: pointer;
  transition: color .2s, background .2s, border-color .2s, transform .12s;
}
.udc-seg-btn:hover { color: var(--text); background: rgba(255, 255, 255, 0.1); }
.udc-seg-btn.is-disabled { opacity: .4; cursor: not-allowed; }
.udc-seg-btn.is-disabled:hover { color: var(--text-dim); background: rgba(255, 255, 255, 0.04); }
.udc-seg-btn.is-active {
  color: #0a0e1a; font-weight: 700; border-color: transparent;
  background: linear-gradient(120deg, #a78bfa, #22d3ee);
}

/* 身份揭示 */
.udc-reveal { display: flex; flex-wrap: wrap; gap: 8px; }
.udc-reveal-item {
  padding: 6px 12px; font-size: 12.5px; border-radius: 999px;
  border: 1px solid var(--border-soft); background: rgba(255, 255, 255, 0.05);
}
.udc-reveal-item.is-out { opacity: .55; }

/* 交接遮挡 */
.udc-handoff { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 24px 16px; }
.udc-handoff p { font-size: 15px; font-weight: 600; }
.udc-pass { display: flex; justify-content: center; padding: 14px 0 4px; }

/* 等待席 */
.udc-wait { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.udc-wait-item {
  padding: 12px 14px; font-size: 13.5px; border-radius: 12px;
  border: 1px solid var(--border-soft); background: rgba(255, 255, 255, 0.04);
}
.udc-wait-item.is-empty { color: var(--text-mute); }

/* 终局再来一局 */
.udc-rematch {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 10px; padding: 14px 12px 2px;
}
.udc-rematch-text { font-size: 13.5px; color: var(--text-dim); }
.udc-rematch .btn { padding: 8px 18px; font-size: 13.5px; }
.udc-rematch .btn:disabled { opacity: .45; cursor: not-allowed; }
.udc-room-actions .btn:disabled { opacity: .45; cursor: not-allowed; }

/* 大厅 */
.udc-lobby { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: stretch; width: 100%; }
.udc-lobby > .udc-notice { grid-column: 1 / -1; }
.udc-card {
  display: flex; flex-direction: column; padding: 22px;
  border-radius: var(--radius); border: 1px solid var(--border-soft); background: var(--surface);
}
.udc-card h3 { margin: 0 0 6px; font-size: 16px; }
.udc-card .hint { margin: 0 0 16px; font-size: 12.5px; line-height: 1.6; color: var(--text-mute); }
.udc-field { display: block; margin-bottom: 14px; }
.udc-field span { display: block; margin-bottom: 7px; font-size: 12.5px; color: var(--text-dim); }
.udc-lobby-actions { display: flex; gap: 10px; margin-top: auto; }
.udc-lobby-actions .btn { flex: 1 1 auto; }
.udc-notice {
  width: 100%; padding: 10px 16px; font-size: 12.5px; text-align: center;
  border-radius: var(--radius-sm); color: var(--text-dim);
  border: 1px solid var(--border-soft); background: var(--surface);
}
.udc-notice.is-error { color: #fda4af; border-color: rgba(251, 113, 133, 0.4); background: rgba(251, 113, 133, 0.12); }

/* 房间条 */
.udc-roombar {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  flex-wrap: wrap; padding: 14px 18px; margin-bottom: 12px;
  border-radius: var(--radius); border: 1px solid var(--border-soft); background: var(--surface);
}
.udc-room-code { display: flex; align-items: center; gap: 10px; }
.udc-room-code small { font-size: 12px; color: var(--text-mute); }
.udc-room-code b { font-size: 22px; letter-spacing: 0.16em; font-variant-numeric: tabular-nums; }
.udc-copy { padding: 6px 12px; font-size: 12px; border-radius: 999px; }
.udc-room-actions { display: flex; gap: 10px; }

/* 规则面板 */
.udc-rules { width: 100%; }
.udc-rules h4 { margin: 14px 0 6px; font-size: 13.5px; }
.udc-rules h4:first-child { margin-top: 0; }
.udc-rules p, .udc-rules li { font-size: 12.8px; line-height: 1.75; color: var(--text-dim); }
.udc-rules ul { margin: 0; padding-left: 18px; }

@media (max-width: 640px) {
  .udc-lobby { grid-template-columns: 1fr; gap: 12px; }
  .udc-seats, .udc-wait { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}