/* ============================================================
   apps/junqi.html 样式（P0-4-T17 <style> 块外联）
   - 页面 style="..." 与 on* 仍在本页（P0-4-T18 整改）
   ============================================================ */

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  /* body 用 min-height（而非 height:100%）：让 body 高度随内容增长，保证 sticky 顶栏全程有效 */
  html { height: 100%; }
  body { min-height: 100%; }
  :root {
    --bg-page: #fafbfc; --bg-card: #ffffff; --bg-soft: #eff6ff; --bg-header: rgba(255,255,255,0.72);
    --text-primary: #1f2937; --text-secondary: #4b5563; --text-muted: #6b7280; --text-hint: #9ca3af;
    --text-on-accent: #ffffff; --border: #e5e7eb; --border-soft: #f1f5f9;
    --accent: #3b82f6; --accent-hover: #2563eb; --accent-soft: #60a5fa; --accent-fade: rgba(59,130,246,0.10);
    --success: #10b981; --warning: #f59e0b; --danger: #ef4444;
    --board-bg: #f5ecd9; --board-line: #6b4423; --board-rail: #b91c1c;
    --camp-bg: #fef3c7; --hq-bg: #fee2e2;
    --piece-bg: #ffffff; --piece-text: #1f2937; --piece-border: #9ca3af;
    --piece-enemy-bg: #4b5563; --piece-enemy-text: #fafbfc; --piece-enemy-border: #1f2937;
  }
  body {
    background:
      radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59,130,246,0.08) 0%, transparent 60%),
      radial-gradient(ellipse 50% 40% at 100% 100%, rgba(96,165,250,0.06) 0%, transparent 60%),
      var(--bg-page);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex; flex-direction: column;
  }
  a { color: inherit; text-decoration: none; }
  /* 顶栏样式已统一放在 styles/topbar.css 中 */
  .back-link-wrapper { padding: 0 40px 12px; background: var(--bg-header); border-bottom: 1px solid var(--border-soft); }
  .back-link { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); }
  .back-link:hover { color: var(--accent); }

  main { flex: 1; padding: 24px 40px 60px; max-width: 1280px; width: 100%; margin: 0 auto; }
  .head { text-align: center; margin-bottom: 18px; }
  .head .eyebrow { font-size: 10px; letter-spacing: 0.4em; color: var(--text-muted); text-transform: uppercase; margin-bottom: 8px; }
  .head h1 { font-size: 26px; font-weight: 500; letter-spacing: 0.04em; color: var(--text-primary); }
  .head .sub { margin-top: 6px; font-size: 13px; color: var(--text-muted); }

  .phase-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 16px; }
  .phase-tab { padding: 8px 20px; font-size: 11px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); background: transparent; border: 1px solid var(--border-soft); cursor: pointer; font-family: inherit; }
  .phase-tab.active { background: var(--accent); color: var(--text-on-accent); border-color: var(--accent); }
  .phase-tab:disabled { opacity: 0.4; cursor: not-allowed; }

  .diff-row { display: flex; justify-content: center; gap: 8px; margin-bottom: 16px; }
  .diff-btn { padding: 8px 20px; font-size: 11px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-secondary); background: var(--bg-card); border: 1px solid var(--border); cursor: pointer; transition: all 0.18s ease; font-family: inherit; }
  .diff-btn:hover { border-color: var(--accent); color: var(--accent); }
  .diff-btn.active { background: var(--accent); color: var(--text-on-accent); border-color: var(--accent); }

  .game-area { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; }

  .board-wrap { background: var(--bg-card); border: 1px solid var(--border-soft); padding: 20px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
  .player-banner { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 8px 14px; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; }
  .player-banner.ai { color: var(--danger); }
  .player-banner.me { color: var(--accent); }
  .player-banner .label { font-weight: 500; }
  .player-banner .meta { font-size: 11px; color: var(--text-muted); letter-spacing: 0.06em; text-transform: none; }
  .player-banner.active { background: var(--bg-soft); border: 1px solid var(--accent-fade); }

  .board {
    display: grid;
    grid-template-columns: repeat(5, 56px);
    grid-template-rows: repeat(12, 50px);
    gap: 2px;
    background: var(--board-bg);
    border: 2px solid var(--board-line);
    padding: 6px;
    position: relative;
  }
  .cell {
    background: var(--board-bg);
    border: 1px solid rgba(107, 68, 35, 0.25);
    display: flex; align-items: center; justify-content: center;
    position: relative;
    cursor: default;
    user-select: none;
    font-size: 18px;
  }
  .cell.rail { background: #f0e0b6; border-color: rgba(185, 28, 28, 0.35); }
  .cell.rail::after {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background:
      repeating-linear-gradient(0deg, transparent 0 8px, rgba(185,28,28,0.12) 8px 10px),
      repeating-linear-gradient(90deg, transparent 0 8px, rgba(185,28,28,0.12) 8px 10px);
  }
  .cell.camp { background: var(--camp-bg); border-color: rgba(180, 83, 9, 0.4); }
  .cell.camp::before {
    content: '营'; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    color: rgba(180, 83, 9, 0.35); font-size: 14px; font-weight: 500;
  }
  .cell.hq { background: var(--hq-bg); border: 2px solid var(--danger); }
  .cell.hq::before {
    content: '★'; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    color: rgba(239, 68, 68, 0.3); font-size: 18px;
  }
  .cell.selectable { cursor: pointer; }
  .cell.selectable:hover { box-shadow: inset 0 0 0 2px var(--accent); }
  .cell.selected { box-shadow: inset 0 0 0 3px var(--accent); background: var(--accent-fade); }
  .cell.target-move { box-shadow: inset 0 0 0 3px var(--success); cursor: pointer; }
  .cell.target-attack { box-shadow: inset 0 0 0 3px var(--danger); cursor: pointer; }
  .cell.target-move:hover, .cell.target-attack:hover { background: rgba(59,130,246,0.15); }
  .cell.last-move { box-shadow: inset 0 0 0 2px var(--warning); }
  .cell.dragover { box-shadow: inset 0 0 0 3px var(--accent); }

  .piece {
    width: 44px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 600; letter-spacing: 0.02em;
    border: 1.5px solid var(--piece-border);
    background: var(--piece-bg); color: var(--piece-text);
    border-radius: 3px;
    position: relative; z-index: 2;
    transition: transform 0.15s ease;
    cursor: default;
  }
  .piece.enemy { background: var(--piece-enemy-bg); color: var(--piece-enemy-text); border-color: var(--piece-enemy-border); }
  .piece.enemy.unrevealed { background: repeating-linear-gradient(45deg, #4b5563 0 6px, #374151 6px 12px); color: var(--text-hint); }
  .piece.enemy.unrevealed::after { content: '军'; font-size: 14px; color: rgba(250,251,252,0.6); }
  .piece.enemy.unrevealed .rank-text { display: none; }
  .piece.flag { background: #fef3c7; color: #92400e; border-color: #b45309; }
  .piece.mine { background: #fee2e2; color: #991b1b; border-color: #b91c1c; }
  .piece.bomb { background: #ede9fe; color: #5b21b6; border-color: #7c3aed; }
  .piece.draggable { cursor: grab; }
  .piece.draggable:active { cursor: grabbing; }
  .piece.reveal-anim { animation: flipReveal 0.4s ease; }
  @keyframes flipReveal {
    0% { transform: rotateY(0); }
    50% { transform: rotateY(90deg); }
    100% { transform: rotateY(0); }
  }
  .piece.capture-anim { animation: captureFx 0.4s ease; }
  @keyframes captureFx {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.8; box-shadow: 0 0 12px var(--danger); }
    100% { transform: scale(0); opacity: 0; }
  }

  .status-line { font-size: 13px; color: var(--text-secondary); min-height: 20px; text-align: center; }
  .status-line .thinking { color: var(--accent); }
  .status-line .winner { color: var(--success); font-weight: 500; }
  .status-line .loser { color: var(--danger); font-weight: 500; }
  .status-line .draw { color: var(--warning); font-weight: 500; }

  .stats-panel { display: flex; flex-direction: column; gap: 12px; }
  .stat-card { background: var(--bg-card); border: 1px solid var(--border-soft); padding: 14px 16px; }
  .stat-card .l { font-size: 10px; letter-spacing: 0.3em; color: var(--text-muted); text-transform: uppercase; margin-bottom: 6px; }
  .stat-card .v { font-size: 24px; font-weight: 400; color: var(--text-primary); font-family: 'SF Mono', 'Consolas', monospace; line-height: 1; }
  .stat-card .v small { font-size: 12px; color: var(--text-muted); margin-left: 4px; font-family: inherit; }
  .stat-card.best { background: var(--bg-soft); border-color: var(--accent-fade); }
  .stat-card.best .l { color: var(--accent); }
  .stat-card.best .v { color: var(--accent); font-size: 14px; font-weight: 500; font-family: inherit; }

  .actions { display: flex; flex-direction: column; gap: 8px; }
  .btn { padding: 10px 14px; font-size: 11px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border); cursor: pointer; transition: all 0.18s ease; font-family: inherit; }
  .btn:hover { border-color: var(--accent); color: var(--accent); }
  .btn:disabled { opacity: 0.4; cursor: not-allowed; }
  .btn.primary { background: var(--accent); color: var(--text-on-accent); border-color: var(--accent); }
  .btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--text-on-accent); }
  .btn.danger { color: var(--danger); border-color: var(--danger); }
  .btn.danger:hover { background: var(--danger); color: var(--text-on-accent); }
  .btn-row { display: flex; gap: 8px; }
  .btn-row .btn { flex: 1; }

  .status-info { padding: 10px 14px; font-size: 11px; line-height: 1.6; color: var(--text-secondary); background: var(--bg-card); border: 1px solid var(--border-soft); }
  .status-info .guest { color: var(--warning); }

  .log-panel { background: var(--bg-card); border: 1px solid var(--border-soft); padding: 12px 14px; max-height: 240px; overflow-y: auto; font-size: 11px; line-height: 1.6; }
  .log-panel .log-head { font-size: 10px; letter-spacing: 0.3em; color: var(--text-muted); text-transform: uppercase; margin-bottom: 8px; padding-bottom: 6px; border-bottom: 1px solid var(--border-soft); position: sticky; top: 0; background: var(--bg-card); }
  .log-entry { color: var(--text-secondary); padding: 2px 0; border-bottom: 1px dotted var(--border-soft); }
  .log-entry .step { color: var(--text-hint); font-family: 'SF Mono', monospace; margin-right: 6px; }
  .log-entry .player { font-weight: 500; }
  .log-entry .player.me { color: var(--accent); }
  .log-entry .player.ai { color: var(--danger); }
  .log-entry .result { color: var(--text-muted); margin-left: 4px; }
  .log-entry .result.capture { color: var(--warning); }
  .log-entry .result.win { color: var(--success); font-weight: 500; }
  .log-entry .result.lose { color: var(--danger); font-weight: 500; }

  /* 布阵阶段：棋库 */
  .deploy-area { display: grid; grid-template-columns: 1fr 280px; gap: 24px; align-items: start; }
  .armory { background: var(--bg-card); border: 1px solid var(--border-soft); padding: 16px; }
  .armory .l { font-size: 10px; letter-spacing: 0.3em; color: var(--text-muted); text-transform: uppercase; margin-bottom: 10px; }
  .armory-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .armory-item { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px 4px; border: 1px solid var(--border-soft); background: var(--bg-soft); }
  .armory-item .piece-mini { width: 36px; height: 32px; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; border: 1.5px solid var(--piece-border); background: var(--piece-bg); color: var(--piece-text); cursor: grab; }
  .armory-item .piece-mini.flag { background: #fef3c7; color: #92400e; border-color: #b45309; }
  .armory-item .piece-mini.mine { background: #fee2e2; color: #991b1b; border-color: #b91c1c; }
  .armory-item .piece-mini.bomb { background: #ede9fe; color: #5b21b6; border-color: #7c3aed; }
  .armory-item .count { font-size: 10px; color: var(--text-muted); font-family: 'SF Mono', monospace; }
  .armory-item.depleted { opacity: 0.35; }
  .armory-item.depleted .piece-mini { cursor: not-allowed; }

  /* 结算弹窗 */
  .modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,0.45); display: none; align-items: center; justify-content: center; z-index: 100; }
  .modal-mask.show { display: flex; }
  .modal { background: var(--bg-card); border: 1px solid var(--border); max-width: 480px; width: calc(100% - 40px); padding: 36px 28px; text-align: center; }
  .modal h2 { font-size: 22px; font-weight: 500; color: var(--text-primary); margin-bottom: 6px; }
  .modal h2.win { color: var(--success); }
  .modal h2.lose { color: var(--danger); }
  .modal h2.draw { color: var(--warning); }
  .modal .sub { font-size: 13px; color: var(--text-muted); margin-bottom: 18px; }
  .modal .result { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-bottom: 16px; }
  .modal .result .r { padding: 10px 6px; background: var(--bg-soft); border: 1px solid var(--border-soft); }
  .modal .result .r .l { font-size: 10px; letter-spacing: 0.2em; color: var(--text-muted); text-transform: uppercase; margin-bottom: 4px; }
  .modal .result .r .v { font-size: 15px; font-weight: 500; color: var(--text-primary); }
  .modal .badge { display: inline-block; padding: 4px 12px; font-size: 11px; letter-spacing: 0.1em; background: var(--bg-soft); color: var(--accent); border: 1px solid var(--accent); margin-bottom: 14px; }
  .modal .badge.guest { color: var(--warning); border-color: var(--warning); }
  .modal .actions { display: flex; gap: 8px; flex-direction: row; margin-top: 4px; }
  .modal .actions .btn { flex: 1; }

  /* 复盘控制条 */
  .replay-bar { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: var(--bg-card); border: 1px solid var(--border-soft); }
  .replay-bar .btn { padding: 6px 10px; font-size: 10px; }
  .replay-bar input[type=range] { flex: 1; }
  .replay-bar .step-label { font-size: 11px; color: var(--text-muted); font-family: 'SF Mono', monospace; min-width: 70px; text-align: right; }

  /* 阵型管理弹窗 */
  .formation-list { max-height: 280px; overflow-y: auto; margin: 12px 0; }
  .formation-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; border: 1px solid var(--border-soft); margin-bottom: 4px; font-size: 12px; }
  .formation-item .name { color: var(--text-primary); }
  .formation-item .meta { color: var(--text-muted); font-size: 10px; }
  .formation-item .ops { display: flex; gap: 4px; }
  .formation-item .ops .btn { padding: 4px 8px; font-size: 10px; }

  .toast { position: fixed; top: 24px; left: 50%; transform: translateX(-50%) translateY(-20px); padding: 10px 18px; background: var(--text-primary); color: #fff; font-size: 13px; letter-spacing: 0.04em; opacity: 0; transition: all 0.22s ease; pointer-events: none; z-index: 200; }
  .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
  .toast.error { background: var(--danger); }
  .toast.success { background: var(--success); }

  /* 拖拽中的棋子 */
  .drag-ghost { position: fixed; pointer-events: none; z-index: 999; opacity: 0.85; }

  @media (max-width: 980px) {
    .back-link-wrapper { padding: 0 18px 12px; }
    main { padding: 16px 18px 40px; }
    .game-area, .deploy-area { grid-template-columns: 1fr; }
    .board { grid-template-columns: repeat(5, 44px); grid-template-rows: repeat(12, 40px); }
    .piece { width: 36px; height: 32px; font-size: 12px; }
    .cell.camp::before, .cell.hq::before { font-size: 12px; }
  }
  @media (max-width: 480px) {
    .board { grid-template-columns: repeat(5, 38px); grid-template-rows: repeat(12, 36px); }
    .piece { width: 30px; height: 28px; font-size: 10px; }
  }