/* 宏观 What-if 沙盘 —— /sandbox 页独享
   约定: 所有颜色用 theme.css 的 CSS 变量, 保证暗色模式一致。
*/

.sandbox-layout {
  max-width: 1240px; margin: 0 auto;
  padding: 24px 20px 60px;
}

/* ---- 顶部头 ---- */
.sb-header {
  background: linear-gradient(135deg, var(--brand-soft) 0%, var(--paper-soft) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 24px; margin-bottom: 18px;
}
.sb-header-row {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.sb-header h1 { margin: 0; font-size: 22px; letter-spacing: .02em; }
.sb-meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.sb-meta .chip-tag {
  background: var(--paper); border: 1px solid var(--line);
  padding: 4px 10px; border-radius: 999px;
  font-size: 12px; color: var(--ink-soft); font-family: var(--mono);
}
.sb-intro {
  margin: 10px 0 0; font-size: 13px; line-height: 1.75;
  color: var(--ink-soft);
}
.sb-intro .frozen-hint {
  color: var(--muted); text-decoration: underline dotted;
  cursor: help;
}

.btn-ghost {
  padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px;
  background: var(--paper); color: var(--ink-soft);
  font-size: 13px; cursor: pointer; text-decoration: none;
  transition: all .15s; font-family: inherit;
}
.btn-ghost:hover { color: var(--brand); border-color: var(--brand); }

/* ---- 主网格 ---- */
.sb-grid {
  display: grid; grid-template-columns: 320px 1fr; gap: 18px;
  align-items: start;
}
@media (max-width: 960px) { .sb-grid { grid-template-columns: 1fr; } }

/* 侧栏 / 主卡 共用 */
.sb-card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 18px; margin-bottom: 14px;
  box-shadow: 0 1px 2px rgba(15,23,42,0.03);
}
.sb-card h3 {
  margin: 0 0 12px; font-size: 15px; display: flex;
  align-items: center; gap: 8px; justify-content: space-between;
}
.sb-card h3 small { font-size: 11px; color: var(--muted); font-weight: 500; }

/* ---- 剧本按钮 ---- */
.sb-scenarios { display: flex; flex-direction: column; gap: 8px; }
.sb-scenario-btn {
  text-align: left; padding: 10px 12px;
  background: var(--paper-soft); border: 1px solid var(--line);
  border-radius: 8px; cursor: pointer; font-family: inherit;
  transition: all .15s; display: flex; flex-direction: column; gap: 2px;
}
.sb-scenario-btn:hover {
  border-color: var(--brand); background: var(--brand-soft);
}
.sb-scenario-btn.active {
  border-color: var(--brand); background: var(--brand-soft);
  box-shadow: 0 0 0 2px var(--brand-soft);
}
.sb-scenario-btn .scen-label {
  font-weight: 600; font-size: 14px; color: var(--ink);
}
.sb-scenario-btn .scen-headline {
  font-size: 11px; color: var(--ink-soft); line-height: 1.4;
}

/* ---- 滑杆 ---- */
.sb-sliders { display: flex; flex-direction: column; gap: 14px; }
.sb-slider-row { display: flex; flex-direction: column; gap: 4px; }
.sb-slider-head {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 13px;
}
.sb-slider-head label { font-weight: 600; color: var(--ink); }
.sb-slider-out {
  font-family: var(--mono); color: var(--brand); font-weight: 600;
  font-size: 14px;
}
.sb-slider-row.touched .sb-slider-out {
  background: var(--brand-soft); padding: 1px 7px; border-radius: 4px;
}

.sb-slider {
  -webkit-appearance: none; appearance: none; width: 100%;
  height: 5px; background: var(--line-soft); border-radius: 3px;
  outline: none; cursor: pointer;
}
.sb-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 17px; height: 17px; border-radius: 50%;
  background: var(--brand); border: 2px solid var(--paper);
  box-shadow: 0 1px 4px rgba(30,58,138,.35); cursor: pointer;
}
.sb-slider::-moz-range-thumb {
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--brand); border: 2px solid var(--paper);
  cursor: pointer;
}

.sb-slider-foot {
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--muted); font-family: var(--mono);
}
.sb-slider-foot .sb-baseline-tip { color: var(--ink-soft); }
.sb-slider-foot .sb-baseline-tip b { color: var(--brand); }

/* ---- 评分卡 ---- */
.sb-score-card { padding: 18px 22px; }
.sb-score-row {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  margin-bottom: 14px;
}
.sb-score-block { display: flex; flex-direction: column; gap: 2px; }
.sb-score-label { font-size: 11px; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; }
.sb-score-value { font-size: 32px; font-weight: 700; font-family: var(--mono); color: var(--ink); line-height: 1; }
.sb-score-block.sb-score-pert .sb-score-value { color: var(--brand); }
.sb-score-tilt { font-size: 13px; color: var(--ink-soft); }
.sb-score-arrow { font-size: 22px; color: var(--muted); margin: 12px 4px 0; }
.sb-score-delta {
  margin-left: auto; font-family: var(--mono); font-size: 18px;
  font-weight: 600; padding: 6px 14px; border-radius: 8px;
  background: var(--paper-soft); color: var(--ink-soft);
}
.sb-score-delta.pos { color: var(--pos); background: var(--pos-bg); }
.sb-score-delta.neg { color: var(--neg); background: var(--neg-bg); }

.sb-gauge-bar {
  position: relative; height: 10px; background: linear-gradient(
    to right,
    #ef4444 0%, #f59e0b 35%, #fbbf24 50%, #84cc16 65%, #22c55e 100%
  );
  border-radius: 6px; margin-bottom: 10px; overflow: hidden;
}
.sb-gauge-fill {
  position: absolute; top: 0; left: 0; height: 100%;
  background: rgba(255,255,255,.45); transition: width .35s ease;
}
html[data-theme="dark"] .sb-gauge-fill { background: rgba(11,18,32,.45); }
.sb-gauge-marker {
  position: absolute; top: -4px; width: 2px; height: 18px;
  background: var(--ink); border-radius: 1px;
  transition: left .35s ease;
}
.sb-gauge-marker::after {
  content: "基线"; position: absolute; top: -14px; left: 50%;
  transform: translateX(-50%); font-size: 9px; color: var(--ink-soft);
  white-space: nowrap; font-family: var(--mono);
}

.sb-hint-row {
  display: flex; justify-content: space-between; gap: 10px;
  flex-wrap: wrap; align-items: center;
  font-size: 12px; color: var(--ink-soft); margin-top: 4px;
}
.sb-asset-hint { font-family: var(--mono); }
.sb-frozen-badge {
  padding: 3px 10px; border-radius: 6px; font-size: 11px;
  background: var(--paper-soft); border: 1px dashed var(--line);
  color: var(--muted); cursor: help;
}

/* ---- 热力图 ---- */
.sb-heatmap { width: 100%; height: 360px; min-height: 280px; }

/* ---- Top3 榜 ---- */
.sb-top3-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
  padding: 16px 18px;
}
@media (max-width: 720px) { .sb-top3-wrap { grid-template-columns: 1fr; } }
.sb-top3-title { margin: 0 0 8px; font-size: 14px; font-weight: 600; }
.sb-top3-title.sb-pos { color: var(--pos); }
.sb-top3-title.sb-neg { color: var(--neg); }
.sb-top3-tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.sb-top3-tbl td {
  padding: 8px 6px; border-bottom: 1px dashed var(--line);
}
.sb-top3-tbl td.pct { text-align: right; font-family: var(--mono); font-weight: 600; }
.sb-top3-tbl td.pct.pos { color: var(--pos); }
.sb-top3-tbl td.pct.neg { color: var(--neg); }
.sb-top3-tbl td.sector { color: var(--muted); font-size: 12px; }
.sb-top3-tbl .empty-row td {
  text-align: center; color: var(--muted); font-style: italic;
  padding: 16px 0; border: none;
}

/* ---- LLM 推演卡 ---- */
.sb-narrative-card {
  background: linear-gradient(135deg, var(--brand-soft) 0%, var(--paper-soft) 100%);
  border-left: 4px solid var(--brand);
}
.sb-narr-badge {
  font-size: 10px; font-weight: 500; letter-spacing: .04em;
  padding: 2px 8px; border-radius: 999px;
  background: var(--paper); color: var(--ink-soft); border: 1px solid var(--line);
}
.sb-narr-badge.src-llm { color: var(--brand); border-color: var(--brand); }
.sb-narr-badge.src-cache { color: var(--muted); }
.sb-narr-badge.src-fallback { color: #b45309; border-color: #f59e0b; }
.sb-narrative {
  font-size: 14px; line-height: 1.85; color: var(--ink);
}
.sb-narrative.loading { color: var(--muted); font-style: italic; }
.sb-narrative strong { color: var(--brand); }

.sb-narrative .sb-narrative-text {
  max-height: 440px; overflow-y: auto;
  font-size: 14px; line-height: 1.9; color: var(--ink);
  white-space: pre-wrap;
}
/* 流式中: 文字末尾跟一个光标 (伪元素) */
.sb-narrative.streaming .sb-narrative-text::after {
  content: "▌"; color: var(--brand); margin-left: 2px;
  animation: sb-cursor-blink 1s step-start infinite;
}
@keyframes sb-cursor-blink { 50% { opacity: 0; } }

/* 进度行: spinner + 阶段文字 + 耗时 */
.sb-progress-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; margin-bottom: 10px;
  background: var(--paper); border: 1px dashed var(--line);
  border-radius: 8px; font-size: 13px; color: var(--ink-soft);
}
.sb-progress-stage { flex: 1; color: var(--ink); font-weight: 500; }
.sb-progress-elapsed {
  font-family: var(--mono); font-size: 12px; color: var(--muted);
  background: var(--paper-soft); padding: 2px 8px; border-radius: 4px;
}
.sb-progress-done { border-color: var(--pos); color: var(--pos); background: var(--pos-bg); }
.sb-progress-done .sb-progress-stage { color: var(--pos); }
.sb-progress-err  { border-color: var(--neg); color: var(--neg); background: var(--neg-bg); }

.sb-tick { color: var(--pos); font-size: 14px; font-weight: 700; }
.sb-spinner {
  width: 14px; height: 14px;
  border: 2px solid var(--line); border-top-color: var(--brand);
  border-radius: 50%; display: inline-block;
  animation: sb-spin .7s linear infinite;
  flex-shrink: 0;
}
@keyframes sb-spin { to { transform: rotate(360deg); } }

/* ---- 可解释性抽屉 ---- */
.sb-explain-drawer {
  position: fixed; top: 64px; right: 0; bottom: 0;
  width: 420px; max-width: 92vw;
  background: var(--paper); border-left: 1px solid var(--line);
  box-shadow: -6px 0 20px rgba(15,23,42,.12);
  padding: 20px 22px; overflow-y: auto;
  z-index: 60;
  transform: translateX(0);
  animation: sb-drawer-in .22s ease-out;
}
@keyframes sb-drawer-in {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}
.sb-drawer-head {
  display: flex; align-items: start; justify-content: space-between;
  gap: 12px; margin-bottom: 10px;
  border-bottom: 1px solid var(--line); padding-bottom: 10px;
}
.sb-drawer-head h3 { margin: 0; font-size: 16px; }
.sb-explain-total {
  margin-top: 4px; font-family: var(--mono);
  font-size: 18px; font-weight: 700;
}
.sb-explain-total.pos { color: var(--pos); }
.sb-explain-total.neg { color: var(--neg); }
.sb-drawer-close {
  width: 28px; height: 28px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--paper);
  color: var(--ink-soft); font-size: 20px; line-height: 1;
  cursor: pointer; transition: all .15s;
}
.sb-drawer-close:hover { background: var(--paper-soft); color: var(--neg); border-color: var(--neg); }

.sb-explain-intro {
  font-size: 12px; color: var(--muted); line-height: 1.6; margin: 0 0 12px;
}
.sb-explain-intro code {
  background: var(--paper-soft); padding: 1px 5px; border-radius: 3px;
  font-size: 11px; color: var(--brand);
}
.sb-explain-chart { width: 100%; height: 260px; margin: 8px 0 10px; }

.sb-explain-tbl {
  width: 100%; border-collapse: collapse; font-size: 12px;
  margin-top: 6px;
}
.sb-explain-tbl thead th {
  text-align: right; padding: 6px 4px; color: var(--muted);
  font-weight: 500; font-size: 11px; letter-spacing: .05em;
  border-bottom: 1px solid var(--line);
}
.sb-explain-tbl thead th:first-child { text-align: left; }
.sb-explain-tbl tbody td {
  padding: 6px 4px; text-align: right; font-family: var(--mono);
  border-bottom: 1px dashed var(--line);
}
.sb-explain-tbl tbody td:first-child {
  text-align: left; font-family: inherit; color: var(--ink);
}
.sb-explain-tbl tbody td.c { font-weight: 700; }
.sb-explain-tbl tbody td.c.pos { color: var(--pos); }
.sb-explain-tbl tbody td.c.neg { color: var(--neg); }

/* 热力图格子 hover 提示(CSS 只能给 container 上 cursor, 具体靠 JS) */
.sb-heatmap { cursor: pointer; }

/* ---- 打印优化 ---- */
@media print {
  .sb-sidebar, .sb-reset, .btn-ghost { display: none !important; }
  .sb-grid { grid-template-columns: 1fr; }
}