/* ==========================================================================
   校鱼 · 无人车仿真（#simulation）
   --------------------------------------------------------------------------
   与 competition.css 同一套语言：发丝线、分层表面、品牌深松绿。
   规则全部限定在 body[data-page="simulation"] 内，不污染其他页面。

   注意语义色：站内 .up / .down 是「涨红跌绿」的金融约定，不能拿来当
   通过 / 失败用（那会让「零罚时 8/8」变绿而看起来像下跌）。
   这里另起 .sim-pass / .sim-fail。
   ========================================================================== */

body[data-page="simulation"] main {
  --sim-line: var(--line, #e7eaee);
  --sim-soft: color-mix(in srgb, var(--accent, #43825f) 8%, transparent);
}

/* 页面容器只做定位与语义钩子，纵向节奏交给外边距。
   不用 display:grid + gap：页标题自带 28px 下边距，会与 gap 叠成 54px，
   分节标题又会叠成 54/42 三种不同间距，与全站 28px 节奏对不上；
   grid 子项的 min-width:auto 还会把宽表格撑出横向滚动。 */
.simulation-workbench {
  display: block;
}

/* 全站节奏规则（beautiful.css 的「相邻顶层块 24px」）命中的是 <main> 的直接
   子元素，内容包进容器后不再生效，这里显式补上同一条节奏。 */
.simulation-workbench > * + * {
  margin-top: 24px;
}

/* ---- 诚实口径 ---- */
.sim-claims {
  display: grid;
  gap: 10px;
  padding: 18px 20px;
  border: 0;
  border-radius: var(--radius-lg, 14px);
  background: linear-gradient(rgba(250, 239, 211, .88), rgba(246, 231, 198, .9)),
    url('/static/brand/aged-straw-paper-v1.png') center / 640px repeat;
  box-shadow: 0 10px 19px rgba(57, 68, 63, .12), 0 2px 4px rgba(57, 68, 63, .06);
}

.sim-claims strong {
  color: var(--orange, #c46a1e);
  font-size: .92rem;
}
html.dark .sim-claims {
  background: linear-gradient(rgba(55, 50, 43, .95), rgba(49, 46, 42, .96)),
    url('/static/brand/aged-straw-paper-v1.png') center / 640px repeat;
  box-shadow: 0 10px 19px rgba(0, 0, 0, .23);
}
html.dark .sim-claims strong { color: #efba81; }

.sim-claims ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 20px;
  line-height: 1.55;
}

/* ---- 运行台 ---- */
.sim-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(290px, .72fr);
  gap: 20px;
  align-items: start;
}

.sim-canvas-wrap {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--sim-line);
  border-radius: var(--radius-lg, 14px);
  background: var(--canvas, #f2f4f6);
}

.sim-canvas {
  display: block;
  width: 100%;
  height: clamp(320px, 46vh, 540px);
}

.sim-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.sim-controls,
.sim-hud,
.sim-log-wrap,
.sim-panel {
  padding: 16px 18px;
  border: 1px solid var(--sim-line);
  border-radius: var(--radius-lg, 14px);
  background: var(--surface, #fff);
}

.sim-controls {
  display: grid;
  gap: 12px;
}

.sim-controls label {
  display: grid;
  gap: 5px;
  color: var(--ink-2, #5b666e);
  font-size: .82rem;
}

.sim-controls select,
.sim-controls input[type="number"],
.sim-controls input[type="text"] {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--sim-line);
  border-radius: var(--radius-sm, 7px);
  background: var(--inset, #f6f8f9);
  color: var(--ink, #1d2429);
  font: inherit;
}

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

.sim-speed {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 10px;
  align-items: center;
}

.sim-speed input {
  grid-column: 1;
}

.sim-speed b {
  grid-column: 2;
  font-variant-numeric: tabular-nums;
}

.sim-note {
  margin: 0;
  color: var(--ink-3, #939ca4);
  font-size: .78rem;
  line-height: 1.5;
}

/* ---- HUD ---- */
.sim-hud {
  display: grid;
  gap: 0;
}

.sim-hud-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 5px 0;
  border-bottom: 1px dashed var(--sim-line);
  font-size: .84rem;
}

.sim-hud-row:last-child {
  border-bottom: 0;
}

.sim-hud-row > span {
  color: var(--ink-2, #5b666e);
}

.sim-hud-v {
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.sim-hud-v.is-bad {
  color: var(--red, #c8393f);
}

/* ---- 日志 ---- */
.sim-log-wrap h4,
.sim-params h4,
.sim-result h4 {
  margin: 0 0 8px;
  font-size: .86rem;
}

.sim-log {
  display: grid;
  gap: 2px;
  max-height: 148px;
  overflow: auto;
  font-family: var(--font-mono, monospace);
  font-size: .74rem;
  color: var(--ink-2, #5b666e);
}

.sim-logline {
  white-space: nowrap;
}

/* ---- 结果 ---- */
.sim-result {
  position: absolute;
  right: 14px;
  bottom: 14px;
  left: 14px;
  max-height: 78%;
  overflow: auto;
  padding: 14px 16px;
  border: 1px solid var(--sim-line);
  border-radius: var(--radius, 10px);
  background: color-mix(in srgb, var(--surface, #fff) 94%, transparent);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-overlay, 0 8px 28px rgb(0 0 0 / 7%));
}

.sim-result h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.sim-result h4 {
  margin: 12px 0 6px;
}

.sim-ok {
  color: var(--green, #2f7d4f);
}

.sim-bad {
  color: var(--red, #c8393f);
}

.sim-result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
}

.sim-result-table td {
  padding: 3px 0;
  border-bottom: 1px dashed var(--sim-line);
}

.sim-result-table td.num {
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}

.sim-result-table td.note {
  color: var(--ink-3, #939ca4);
  font-size: .76rem;
  text-align: right;
}

.sim-result-table tr.total td {
  border-bottom: 0;
  font-weight: 700;
}

.sim-penlist {
  margin: 0;
  padding-left: 18px;
  font-size: .8rem;
  line-height: 1.6;
}

.sim-save {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
}

.sim-save input {
  flex: 1;
  min-width: 0;
  padding: 7px 9px;
  border: 1px solid var(--sim-line);
  border-radius: var(--radius-sm, 7px);
  background: var(--inset, #f6f8f9);
  color: var(--ink, #1d2429);
  font: inherit;
}

/* ---- 参数面板 ---- */
.sim-params {
  display: grid;
  gap: 12px;
}

.sim-slider {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3px 10px;
  align-items: center;
  font-size: .82rem;
}

.sim-slider label {
  grid-column: 1 / -1;
  color: var(--ink-2, #5b666e);
}

.sim-slider input {
  width: 100%;
}

.sim-slider b {
  min-width: 3.4em;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.sim-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.sim-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  color: var(--ink-2, #5b666e);
}

/* ---- 通用两栏 ---- */
.sim-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.sim-plan {
  display: grid;
  gap: 10px;
  margin: 0;
}

.sim-plan dt {
  font-weight: 700;
}

.sim-plan dd {
  margin: 2px 0 0;
  color: var(--ink-2, #5b666e);
  font-size: .85rem;
  line-height: 1.55;
}

.sim-boundaries {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
  font-size: .85rem;
  line-height: 1.55;
}

.sim-tuning {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sim-tuning li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
}

.sim-tuning li > b {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-soft, rgba(67, 130, 95, .1));
  color: var(--accent, #43825f);
  font-size: .8rem;
}

.sim-tuning strong {
  display: block;
  font-size: .88rem;
}

.sim-tuning p {
  margin: 3px 0 0;
  color: var(--ink-2, #5b666e);
  font-size: .82rem;
  line-height: 1.5;
}

/* ---- 基线表 ---- */
.sim-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--sim-line);
  border-radius: var(--radius-lg, 14px);
  background: var(--surface, #fff);
}

.sim-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}

.sim-table-wrap th,
.sim-table-wrap td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--sim-line);
}

.sim-table-wrap thead th {
  color: var(--ink-2, #5b666e);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .02em;
}

.sim-table-wrap tbody tr:last-child td {
  border-bottom: 0;
}

.sim-table-wrap td.num {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* 通过 / 失败：刻意不用站内的 .up / .down（那是涨跌色，语义相反） */
.sim-table-wrap td.sim-pass {
  color: var(--green, #2f7d4f);
  font-weight: 700;
}

.sim-table-wrap td.sim-fail {
  color: var(--red, #c8393f);
  font-weight: 700;
}

/* ---- 记录与任务清单 ---- */
.sim-runs {
  display: grid;
  gap: 10px;
}

.sim-runs article {
  display: grid;
  gap: 3px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--sim-line);
}

.sim-runs article:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.sim-runs p {
  margin: 0;
  color: var(--ink-2, #5b666e);
  font-size: .8rem;
  line-height: 1.5;
}

.sim-runs time {
  color: var(--ink-3, #939ca4);
  font-size: .74rem;
}

.sim-items {
  display: grid;
  gap: 10px;
}

.sim-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
}

.sim-item strong {
  font-size: .86rem;
}

.sim-item small {
  display: block;
  margin-top: 2px;
  color: var(--ink-3, #939ca4);
  font-size: .76rem;
}

/* ---- 响应式与无障碍 ---- */
@media (max-width: 1080px) {
  .sim-stage {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .sim-claims ul,
  .sim-boundaries {
    padding-left: 16px;
  }

  .sim-result {
    right: 8px;
    bottom: 8px;
    left: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sim-result {
    backdrop-filter: none;
  }
}