:root {
  --ink: #0f172a;
  --ink-soft: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --panel: #ffffff;
  --canvas: #f8fafc;
  --accent: #0f766e;
  --accent-hover: #0d655e;
  --accent-light: #f0fdfa;
  --accent-border: #99f6e4;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --danger-border: #fecaca;
  --safe: #16a34a;
  --safe-soft: #f0fdf4;
  --safe-border: #bbf7d0;
  --likely: #d97706;
  --likely-soft: #fffbeb;
  --likely-border: #fde68a;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 8px -2px rgba(15, 23, 42, 0.04);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button, input {
  font: inherit;
}

button {
  cursor: pointer;
  user-select: none;
}

/* 布局外壳 */
.app-shell {
  width: min(1480px, calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

/* 顶部栏 */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 22px;
}

.brand {
  display: flex;
  flex-direction: column;
}

.eyebrow-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.eyebrow {
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.6px;
}

.feature-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: #e0f2fe;
  color: #0369a1;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

h1 {
  margin: 0 0 6px;
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.5px;
}

h2 {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.heading-with-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tip-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  background: #fef9c3;
  color: #854d0e;
  border: 1px solid #fef08a;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.tip-close {
  background: transparent;
  border: 0;
  color: inherit;
  font-size: 14px;
  line-height: 1;
  margin-left: 6px;
  padding: 0 2px;
  cursor: pointer;
  opacity: 0.65;
  transition: opacity 0.15s, transform 0.15s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tip-close:hover {
  opacity: 1;
  transform: scale(1.2);
}

/* 通用按钮 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 15px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.button.primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 2px 8px rgba(15, 118, 110, 0.25);
}

.button.primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.35);
}

.button.secondary {
  background: #ffffff;
  color: var(--ink-soft);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
}

.button.secondary:hover {
  background: #f8fafc;
  color: var(--ink);
  border-color: #94a3b8;
  transform: translateY(-1px);
}

.button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.button.subtle-btn {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  color: var(--muted);
}

.button.subtle-btn:hover {
  background: #e2e8f0;
  color: var(--ink);
}

/* 控制面板与预设 */
.control-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding: 14px 20px;
  margin-bottom: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.field-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.field {
  display: flex;
  align-items: center;
  gap: 8px;
}

.field label {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
}

.field input {
  width: 76px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0 8px;
  color: var(--ink);
  background: #f8fafc;
  font-weight: 600;
  font-size: 13px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field input:focus {
  outline: none;
  border-color: var(--accent);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
}

.field input::placeholder {
  color: #94a3b8;
  font-weight: normal;
}

.muted {
  color: var(--muted);
  font-size: 12px;
  font-weight: normal;
}

.presets-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.preset-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

.preset-btn {
  border: 1px solid var(--line);
  background: #f8fafc;
  color: var(--ink-soft);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.15s ease;
}

.preset-btn:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

/* 工作区网格与侧栏收起 */
.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(340px, 0.8fr);
  align-items: start;
  gap: 20px;
  transition: grid-template-columns 0.25s ease;
}

.workspace.panel-collapsed {
  grid-template-columns: 1fr !important;
}

.workspace.panel-collapsed .results-panel {
  display: none !important;
}

.workspace.panel-collapsed .board-panel {
  width: 100%;
}

.board-panel, .results-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 22px;
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.panel-heading-right,
.panel-heading-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.icon-button:hover {
  background: #f1f5f9;
  color: var(--ink);
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.expand-panel-btn {
  font-size: 12px;
  padding: 0 10px;
  min-height: 32px;
  gap: 6px;
  color: var(--accent);
  border-color: var(--accent-border);
  background: var(--accent-light);
}

.expand-panel-btn:hover {
  background: #ccfbf1;
  border-color: var(--accent);
  color: var(--accent-hover);
}

.collapsed-summary-pill {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  background: var(--accent);
  color: #ffffff;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  margin-left: 2px;
}

.collapsed-summary-pill:empty {
  display: none;
}

.panel-heading p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.zoom-control {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.zoom-control label {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

.zoom-control input {
  width: 90px;
  accent-color: var(--accent);
  cursor: pointer;
}

.zoom-val {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-soft);
  min-width: 32px;
}

/* 模式工具条 */
.mode-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.mode-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  transition: all 0.15s ease;
}

.mode-button:hover {
  background: #f8fafc;
  border-color: var(--line-strong);
}

.mode-button.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
  box-shadow: 0 0 0 1px var(--accent);
}

.mode-icon {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: #f1f5f9;
  font-size: 12px;
  font-weight: 800;
}

.mode-button.active .mode-icon {
  background: var(--accent);
  color: #ffffff;
}

.mode-kbd {
  margin-left: 2px;
  padding: 1px 5px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  background: #f8fafc;
  color: #64748b;
  font-size: 10px;
  font-family: monospace;
}

/* 数字键盘 */
.number-pad {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 12px 0;
}

.number-button {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--ink);
  font-weight: 800;
  font-size: 14px;
  box-shadow: var(--shadow-sm);
  transition: all 0.12s ease;
}

.number-button:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.number-button.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(15, 118, 110, 0.3);
}

/* 棋盘容器与右键框选遮罩 */
.board-wrap-outer {
  background: #f1f5f9;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: inset 0 2px 4px rgba(15, 23, 42, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  box-sizing: border-box;
  overflow-x: auto;
  overflow-y: hidden;
}

.board-wrap-outer::-webkit-scrollbar {
  height: 6px;
}

.board-wrap-outer::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

.board-wrap-outer::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

.board-wrap {
  position: relative;
  margin: 0 auto;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  width: 100%;
  min-width: max-content;
  height: auto;
  min-height: auto;
  max-height: none;
  overflow: visible;
}

.board {
  --cell-size: 38px;
  display: grid;
  grid-template-columns: repeat(var(--cols), var(--cell-size));
  grid-auto-rows: var(--cell-size);
  width: max-content;
  border: 2px solid #94a3b8;
  background: #94a3b8;
  gap: 1px;
  border-radius: 4px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  margin: 0 auto;
}

/* 隐藏状态硬性保障（避免被 display: flex 等覆盖导致提示常驻屏幕） */
[hidden],
.drag-selection-box[hidden],
.drag-tooltip[hidden] {
  display: none !important;
}

/* 框选矩形遮罩层与浮动尺寸提示 */
.drag-selection-box {
  position: absolute;
  border: 2px dashed #0284c7;
  background: rgba(14, 165, 233, 0.18);
  border-radius: 4px;
  pointer-events: none;
  z-index: 50;
  box-shadow: 0 0 16px rgba(14, 165, 233, 0.4);
  transition: none;
}

.drag-tooltip {
  position: absolute;
  z-index: 60;
  pointer-events: none;
  background: #0f172a;
  color: #ffffff;
  padding: 6px 11px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.drag-tooltip .tip-sub {
  color: #93c5fd;
  font-size: 11px;
  font-weight: normal;
}

/* 单元格精细样式 */
.cell {
  position: relative;
  display: grid;
  place-items: center;
  width: var(--cell-size);
  height: var(--cell-size);
  border: 0;
  background: #e2e8f0;
  color: #64748b;
  font-size: calc(var(--cell-size) * 0.42);
  font-weight: 800;
  transition: background 0.1s ease, box-shadow 0.1s ease, transform 0.08s ease;
  user-select: none;
  font-variant-numeric: tabular-nums;
}

.cell:hover {
  background: #cbd5e1;
  box-shadow: inset 0 0 0 2px var(--accent);
  z-index: 2;
}

.cell:focus,
.cell:focus-visible {
  outline: none;
}

.cell.in-selection {
  background: #bae6fd !important;
  box-shadow: inset 0 0 0 1.5px #0284c7 !important;
  z-index: 3;
}

/* 联动高亮（从右侧分析结果悬浮） */
.cell.highlight-pulse {
  z-index: 10 !important;
  box-shadow: inset 0 0 0 2px #ec4899, 0 0 12px #ec4899 !important;
  animation: cellGlow 1s ease-in-out infinite alternate;
}

@keyframes cellGlow {
  from { transform: scale(1); filter: brightness(1); }
  to { transform: scale(1.08); filter: brightness(1.2); }
}

/* 数字格经典色彩优化 */
.cell.number {
  background: #ffffff;
}

.cell.number.n0 { color: #94a3b8; }
.cell.number.n1 { color: #1d4ed8; }
.cell.number.n2 { color: #15803d; }
.cell.number.n3 { color: #b91c1c; }
.cell.number.n4 { color: #4338ca; }
.cell.number.n5 { color: #7f1d1d; }
.cell.number.n6 { color: #0e7490; }
.cell.number.n7 { color: #1e293b; }
.cell.number.n8 { color: #64748b; }

/* 冲突错误数字醒目标红提示与动效 */
.cell.number.conflict {
  background: #fee2e2 !important;
  color: #dc2626 !important;
  font-weight: 900 !important;
  box-shadow: inset 0 0 0 2.5px #ef4444, 0 0 14px rgba(239, 68, 68, 0.45) !important;
  z-index: 5;
  animation: conflictCellPulse 1.2s ease-in-out infinite alternate;
}

@keyframes conflictCellPulse {
  from {
    background: #fee2e2;
    box-shadow: inset 0 0 0 2px #ef4444, 0 0 6px rgba(239, 68, 68, 0.3);
  }
  to {
    background: #fecaca;
    box-shadow: inset 0 0 0 3px #dc2626, 0 0 16px rgba(220, 38, 38, 0.65);
  }
}

/* 标记格 */
.cell.safe {
  color: var(--safe);
  background: var(--safe-soft);
  font-size: calc(var(--cell-size) * 0.45);
}

.cell.mine {
  color: var(--danger);
  background: var(--danger-soft);
  font-size: calc(var(--cell-size) * 0.45);
}

.cell.wall {
  background: #334155 !important;
  color: #f1f5f9 !important;
  font-size: calc(var(--cell-size) * 0.44);
  box-shadow: inset 0 0 0 1px #1e293b, inset 0 2px 4px rgba(0, 0, 0, 0.25);
}

.cell.wall:hover {
  background: #475569 !important;
  box-shadow: inset 0 0 0 2px var(--accent);
}

.cell.recommended {
  background: var(--likely-soft);
  color: var(--likely);
}

.cell .probability {
  position: absolute;
  right: 2px;
  bottom: 1px;
  font-size: 9px;
  line-height: 1;
  font-weight: 700;
  color: var(--likely);
}

/* 棋盘底部信息 */
.board-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 4px 6px;
  flex-wrap: wrap;
}

.board-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.meta-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: #f1f5f9;
  color: var(--ink-soft);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
}

.footer-tip {
  color: var(--muted);
  font-size: 12px;
}

/* 多页历史导航卡片 */
.history-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
  padding: 10px 14px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.history-left, .history-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-btn, .action-btn {
  min-height: 32px;
  padding: 0 11px;
  font-size: 12px;
}

.history-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 100px;
  padding: 0 4px;
}

.history-label {
  font-size: 13px;
  font-weight: 800;
  color: var(--ink);
}

.history-sublabel {
  font-size: 10px;
  color: var(--muted);
}

.action-btn.danger-hover:hover {
  background: var(--danger-soft);
  border-color: var(--danger-border);
  color: var(--danger);
}

.button.subtle-danger-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  min-height: 28px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.button.subtle-danger-btn:hover {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: var(--danger-border);
}

/* 历史页面快照画廊 */
.history-gallery-card {
  margin-top: 14px;
  padding: 14px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.gallery-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.gallery-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.gallery-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}

.gallery-count {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  background: #e2e8f0;
  color: var(--ink-soft);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.gallery-tip {
  font-size: 11px;
  color: var(--muted);
}

.history-thumbnails {
  display: flex;
  align-items: stretch;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 2px 10px;
  scroll-behavior: smooth;
  min-height: 120px;
}

.history-thumbnails::-webkit-scrollbar {
  height: 6px;
}

.history-thumbnails::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

.history-thumbnails::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

.history-thumb-card {
  flex: 0 0 106px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #ffffff;
  border: 2px solid var(--line);
  border-radius: var(--radius-md);
  padding: 8px 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  position: relative;
}

.history-thumb-card:hover {
  border-color: #94a3b8;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.history-thumb-card.active {
  border-color: var(--accent);
  background: var(--accent-light);
  box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.2), var(--shadow-md);
}

.thumb-canvas-wrap {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f1f5f9;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.thumb-canvas {
  width: 76px;
  height: 76px;
  display: block;
}

.thumb-badge {
  position: absolute;
  bottom: 3px;
  left: 3px;
  padding: 1px 5px;
  background: rgba(15, 23, 42, 0.8);
  color: #ffffff;
  border-radius: 4px;
  font-size: 9px;
  font-weight: 700;
  backdrop-filter: blur(2px);
}

.history-thumb-card.active .thumb-badge {
  background: var(--accent);
}

.thumb-meta {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 6px;
  gap: 1px;
}

.thumb-name {
  font-size: 11px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 96px;
}

.thumb-info {
  font-size: 10px;
  color: var(--muted);
  white-space: nowrap;
}

.history-thumb-card.active .thumb-name {
  color: var(--accent);
}

.thumb-del-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.65);
  color: white;
  border: 0;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  line-height: 1;
  padding: 0;
  cursor: pointer;
  transition: background 0.15s;
}

.thumb-del-btn:hover {
  background: var(--danger);
}

.history-thumb-card:hover .thumb-del-btn {
  display: flex;
}

/* 分析结果侧栏 */
.results-panel {
  display: flex;
  flex-direction: column;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.summary-item {
  padding: 12px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #f8fafc;
  text-align: center;
  transition: transform 0.12s ease;
}

.summary-item:hover {
  transform: translateY(-1px);
}

.summary-value {
  display: block;
  font-size: 24px;
  font-weight: 800;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.summary-label {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.summary-item.mine { border-color: var(--danger-border); background: var(--danger-soft); }
.summary-item.mine .summary-value { color: var(--danger); }

.summary-item.safe { border-color: var(--safe-border); background: var(--safe-soft); }
.summary-item.safe .summary-value { color: var(--safe); }

.summary-item.likely { border-color: var(--likely-border); background: var(--likely-soft); }
.summary-item.likely .summary-value { color: var(--likely); }

/* 状态药丸徽章 */
.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--muted);
  background: #f1f5f9;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.status-badge.good { color: var(--safe); background: var(--safe-soft); border: 1px solid var(--safe-border); }
.status-badge.warn { color: var(--likely); background: var(--likely-soft); border: 1px solid var(--likely-border); }
.status-badge.error { color: var(--danger); background: var(--danger-soft); border: 1px solid var(--danger-border); }

/* 结果列表 */
.result-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 12px;
}

.result-list-title {
  font-weight: 700;
  color: var(--ink-soft);
}

.result-list-tip {
  color: var(--muted);
  font-size: 11px;
}

.result-list {
  display: grid;
  gap: 6px;
  max-height: 350px;
  overflow-y: auto;
  margin-bottom: 16px;
  padding-right: 2px;
}

.result-list::-webkit-scrollbar {
  width: 5px;
}

.result-list::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

.result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  border-left: 3px solid var(--line);
  background: #f8fafc;
  border-radius: 0 4px 4px 0;
  font-size: 13px;
  transition: all 0.12s ease;
  cursor: pointer;
}

.result-row:hover {
  background: #e2e8f0;
  transform: translateX(2px);
}

.result-row.mine { border-left-color: var(--danger); }
.result-row.safe { border-left-color: var(--safe); }
.result-row.likely { border-left-color: var(--likely); }
.result-row.conflict {
  border-left-color: var(--danger);
  background: var(--danger-soft);
}

.result-type {
  font-weight: 700;
}

.result-row.mine .result-type { color: var(--danger); }
.result-row.safe .result-type { color: var(--safe); }
.result-row.likely .result-type { color: var(--likely); }
.result-row.conflict .result-type { color: var(--danger); }

.result-detail {
  color: var(--muted);
  font-size: 11px;
}

.empty-result {
  padding: 16px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  background: #f8fafc;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
}

/* 图例 */
.legend {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

.legend > div {
  display: flex;
  align-items: center;
  gap: 7px;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #cbd5e1;
}

.legend-dot.mine { background: var(--danger); }
.legend-dot.safe { background: var(--safe); }
.legend-dot.likely { background: var(--likely); }

/* 提示与报错信息 */
.message {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  background: #f8fafc;
  font-size: 12px;
  line-height: 1.4;
  border: 1px solid var(--line);
}

.message:empty {
  display: none;
}

.message.error {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: var(--danger-border);
}

/* Toast 轻量提示 */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: #0f172a;
  color: #ffffff;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.3);
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* 响应式断点 */
@media (max-width: 980px) {
  .workspace {
    grid-template-columns: 1fr;
  }
  .results-panel {
    order: -1;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: calc(100% - 24px);
    padding-top: 18px;
  }
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }
  .header-actions {
    width: 100%;
  }
  .header-actions .button {
    flex: 1;
  }
  .control-panel {
    flex-direction: column;
    align-items: stretch;
  }
  .field-group, .presets-group {
    width: 100%;
    justify-content: space-between;
  }
  .board-panel, .results-panel {
    padding: 16px;
  }
  .history-nav {
    flex-direction: column;
    align-items: stretch;
  }
  .history-left, .history-actions {
    justify-content: space-between;
  }
}