:root {
  --ink: #333;
  --muted: #8c8c8c;
  --line: #e8e8e8;
  --bg: #f5f4f1;
  --surface: #fff;
  --accent: #6b4a2b;
  --accent-soft: #f0e9e1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

button {
  font: inherit;
  font-size: 13px;
  color: var(--ink);
  cursor: pointer;
}

.card-title,
.sidebar-title { margin: 0; }

.reload-button,
.export-button,
.cart-button,
.cart-export-button,
.primary-button {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  transition: border-color .15s, color .15s, background .15s;
}

.reload-button {
  position: fixed;
  top: 16px;
  right: 18px;
  z-index: 10;
  width: 36px;
  height: 36px;
  padding: 0;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
  border-radius: 50%;
}

/* 图标继承按钮的 color（currentColor），尺寸只在这里定义，换图标不用动 JS。
   20px 是配 36px 圆钮的光学最优值：新图标的弧线比原 ↻ 字形细，19px 会显轻。 */
.reload-button .reload-icon {
  display: block;
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* 悬停转一圈：刷新语义的标准反馈，比原先 ↻ 字形的 -45° 倾斜更贴合新图标 */
.reload-button:hover { opacity: .88; }
.reload-button:hover .reload-icon { animation: reload-spin .6s ease-in-out; }

@keyframes reload-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .reload-button:hover .reload-icon { animation: none; }
}
.export-button:hover { color: var(--accent); border-color: var(--accent); }

/* ── 合并队列（购物车）────────────────────────────── */

.cart-button { font-size: 12px; }
.cart-button:hover { color: var(--accent); border-color: var(--accent); }
.cart-button[data-in-cart="true"] {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.cart-bar[hidden] { display: none; }

.cart-bar {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: min(1160px, calc(100vw - 32px));
  padding: 9px 12px;
  background: rgba(255, 255, 255, .97);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .12);
}

.cart-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.cart-chips {
  display: flex;
  gap: 6px;
  max-width: 44vw;
  overflow-x: auto;
  scrollbar-width: none;
}
.cart-chips::-webkit-scrollbar { display: none; }

.cart-chip {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 2px;
  padding: 3px 4px 3px 10px;
  background: var(--accent-soft);
  border-radius: 6px;
}

.cart-chip-name {
  max-width: 150px;
  overflow: hidden;
  color: var(--ink);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cart-chip-button {
  padding: 2px 4px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}
.cart-chip-button:hover:not(:disabled) { color: var(--accent); }
.cart-chip-button:disabled { opacity: .3; cursor: default; }

.cart-divider { width: 1px; height: 22px; background: var(--line); }

.cart-modes {
  display: flex;
  flex: 0 0 auto;
  padding: 2px;
  background: #f4f2ee;
  border-radius: 6px;
}

.cart-mode-button {
  padding: 4px 8px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}
.cart-mode-button[data-active="true"] {
  color: var(--accent);
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .08);
}

.cart-export-button { color: #fff; background: var(--accent); border-color: var(--accent); white-space: nowrap; }
.cart-export-button:hover { opacity: .9; }
.cart-clear-button { padding: 7px 8px; border: 0; background: transparent; color: var(--muted); font-size: 12px; white-space: nowrap; }
.cart-clear-button:hover { color: #a63f32; }

/* ── 合并预览弹窗 ────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(51, 51, 51, .45);
}

.modal {
  display: flex;
  flex-direction: column;
  max-width: min(860px, 100%);
  max-height: calc(100vh - 48px);
  background: var(--surface);
  border-radius: 12px;
  overflow: hidden;
}

.modal-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

.modal-title { margin: 0; font-size: 14px; }
.modal-notice { color: #a67c2b; font-size: 12px; }

.modal-close {
  margin-left: auto;
  padding: 2px 8px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 16px;
}
.modal-close:hover { color: var(--ink); }

.modal-body {
  display: grid;
  gap: 20px;
  overflow-y: auto;
  padding: 16px;
}

.preview-item {
  display: grid;
  gap: 10px;
  justify-items: center;
}

.preview-canvas {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.modal-foot {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
}

.primary-button { color: #fff; background: var(--accent); border-color: var(--accent); }
.primary-button:hover { opacity: .9; }

.app-layout {
  display: grid;
  grid-template-columns: 184px minmax(0, 1fr) 184px;
  gap: 24px;
  max-width: 1600px;
  margin: 0 auto;
  padding: 20px 24px 64px;
}

.sidebar {
  align-self: start;
  position: sticky;
  top: 20px;
  padding: 14px 10px;
  background: rgba(255, 255, 255, .58);
  border: 1px solid rgba(232, 232, 232, .9);
  border-radius: 10px;
}

.sidebar-title {
  padding: 0 8px 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.company-list,
.anchor-list { display: grid; gap: 3px; }

.company-button,
.anchor-button,
.tab-button,
.view-button {
  border: 0;
  border-radius: 6px;
  background: transparent;
  text-align: left;
  transition: background .15s, color .15s;
}

.company-button {
  width: 100%;
  padding: 8px;
}

.company-button:hover,
.anchor-button:hover,
.tab-button:hover { color: var(--accent); background: var(--accent-soft); }

.company-button[data-active="true"],
.tab-button[data-active="true"] {
  color: var(--accent);
  font-weight: 600;
  background: var(--accent-soft);
}

.anchor-button {
  padding: 6px 8px;
  color: #5f5f5f;
  font-size: 12px;
  line-height: 1.45;
}

.content { min-width: 0; }

.tabs {
  position: sticky;
  top: 20px;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
  padding: 5px;
  background: rgba(255, 255, 255, .6);
  border: 1px solid var(--line);
  border-radius: 9px;
}

.tab-button { padding: 7px 11px; }

.cards { display: grid; gap: 28px; }

.card {
  overflow: hidden;
  background: var(--surface);
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .06);
  scroll-margin-top: 84px;
}

.card-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 9px 16px;
  border-bottom: 1px solid var(--line);
}

.card-heading { min-width: 0; margin-right: auto; }
.card-title { font-size: 14px; font-weight: 600; }

.src {
  display: block;
  overflow: hidden;
  margin-top: 2px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.view-switcher {
  display: flex;
  padding: 2px;
  background: #f4f2ee;
  border-radius: 6px;
}

.view-button { padding: 4px 7px; color: var(--muted); font-size: 12px; }
.view-button[data-active="true"] { color: var(--accent); background: var(--surface); box-shadow: 0 1px 2px rgba(0, 0, 0, .08); }

.chart { width: 100%; }

.chart-error,
.empty-state,
.sidebar-empty {
  margin: 0;
  padding: 36px 20px;
  color: #a63f32;
  font-size: 14px;
  text-align: center;
}

.sidebar-empty { padding: 8px; color: var(--muted); text-align: left; font-size: 12px; }

@media (max-width: 1040px) {
  .app-layout { grid-template-columns: 160px minmax(0, 1fr); }
  .chart-sidebar { display: none; }
}

@media (max-width: 880px) {
  .app-layout { display: block; padding: 0 12px 40px; }
  .sidebar { margin-bottom: 12px; }
  .company-sidebar {
    position: sticky;
    top: 0;
    z-index: 7;
    margin: 0 -12px;
    padding: 7px 12px;
    border-width: 0 0 1px;
    border-radius: 0;
    background: rgba(245, 244, 241, .96);
    backdrop-filter: blur(10px);
  }
  .company-sidebar .sidebar-title { display: none; }
  .company-list { display: flex; overflow-x: auto; }
  .company-button { flex: 0 0 auto; width: auto; }
  .tabs {
    top: 50px;
    z-index: 6;
    overflow-x: auto;
    overflow-y: hidden;
    flex-wrap: nowrap;
    margin: 0 -12px 18px;
    padding: 5px 12px;
    border-width: 0 0 1px;
    border-radius: 0;
    background: rgba(245, 244, 241, .96);
    backdrop-filter: blur(10px);
    scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tab-button { flex: 0 0 auto; }
  .card { scroll-margin-top: 120px; }
  .card-bar { align-items: flex-start; flex-wrap: wrap; }
  .cart-button { margin-left: auto; }
  .cart-bar { left: 12px; right: 12px; transform: none; flex-wrap: wrap; }
  .cart-chips { max-width: none; }
  .chart { min-width: 560px; }
  .card { overflow-x: auto; }
}