:root {
  --ttm-bg: #0d1116;
  --ttm-panel: #151a22;
  --ttm-panel-2: #1c232d;
  --ttm-border: #2b333f;
  --ttm-border-strong: #3c4756;
  --ttm-text: #e6e9ed;
  --ttm-muted: #9aa6b2;
  --ttm-accent: #f5b942;
  --ttm-accent-strong: #ffc95c;
  --ttm-blue: #58a6ff;
  --ttm-green: #57d68d;
  --ttm-purple: #c792ea;
  --ttm-red: #e5534b;
  --ttm-hazard: repeating-linear-gradient(135deg, rgba(245,185,66,.9) 0 10px, rgba(13,17,22,.95) 10px 20px);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
}

body.ttm-page {
  background: var(--ttm-bg);
  color: var(--ttm-text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  display: flex;
  flex-direction: column;
}

button,
input {
  font: inherit;
}

.ttm-top {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--ttm-border-strong);
  background:
    linear-gradient(180deg, rgba(255,255,255,.02), transparent),
    var(--ttm-panel);
  position: relative;
  z-index: 10;
}

.ttm-top::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: var(--ttm-hazard);
  opacity: .7;
  pointer-events: none;
}

.ttm-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 150px;
}

.ttm-kicker {
  color: var(--ttm-accent);
  font-size: 11px;
  letter-spacing: .14em;
  font-weight: 800;
}

/* 品牌标题由 <strong> 提升为 <h1>（页面原先全站唯一的主标题是 strong，h1~h6 计数为 0，
   对搜索引擎与读屏软件都缺失页面主标题语义）。h1 需显式 reset UA 默认 margin。 */
.ttm-brand strong,
.ttm-brand .ttm-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
}

.ttm-controls,
.ttm-zoom,
.ttm-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.ttm-search {
  display: flex;
}

.ttm-search input {
  width: 220px;
  border: 1px solid var(--ttm-border-strong);
  border-radius: 8px;
  background: var(--ttm-bg);
  color: var(--ttm-text);
  padding: 8px 12px;
  font-size: 13px;
  outline: none;
}

.ttm-search input:focus {
  border-color: var(--ttm-accent);
}

.ttm-controls button,
.ttm-zoom button {
  appearance: none;
  border: 1px solid var(--ttm-border-strong);
  border-radius: 8px;
  background: var(--ttm-panel-2);
  color: var(--ttm-text);
  padding: 7px 12px;
  font-size: 13px;
  cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
}

.ttm-controls button:hover,
.ttm-zoom button:hover {
  border-color: var(--ttm-accent);
  color: var(--ttm-accent-strong);
}

.ttm-action.is-active {
  border-color: var(--ttm-accent);
  color: #10141a;
  background: var(--ttm-accent);
  font-weight: 800;
}

.ttm-zoom span {
  min-width: 46px;
  text-align: center;
  color: var(--ttm-muted);
  font-size: 13px;
}

.ttm-links a {
  color: var(--ttm-muted);
  text-decoration: none;
  font-size: 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 5px 10px;
  transition: color .2s, border-color .2s;
}

.ttm-links a:hover {
  color: var(--ttm-accent-strong);
  border-color: var(--ttm-border-strong);
}

.ttm-stage {
  flex: 1 1 auto;
  position: relative;
  min-height: 0;
  overflow: hidden;
}

.ttm-svg-wrap {
  position: absolute;
  inset: 0;
}

#ttm-svg {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
  background:
    radial-gradient(circle at 20% 0%, rgba(245,185,66,.05), transparent 30%),
    radial-gradient(circle at 80% 100%, rgba(88,166,255,.05), transparent 30%),
    var(--ttm-bg);
}

#ttm-svg.is-dragging {
  cursor: grabbing;
}

.ttm-tip {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 5;
  color: var(--ttm-muted);
  font-size: 12px;
  background: rgba(13,17,22,.82);
  border: 1px solid var(--ttm-border);
  border-radius: 999px;
  padding: 5px 12px;
  pointer-events: none;
}

.ttm-count {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 5;
  color: var(--ttm-muted);
  font-size: 12px;
  background: rgba(13,17,22,.82);
  border: 1px solid var(--ttm-border);
  border-radius: 8px;
  padding: 5px 10px;
  pointer-events: none;
}

/* SVG content */
#ttm-edges .ttm-edge {
  stroke: #3c4756;
  stroke-width: 1.4;
  fill: none;
  opacity: .8;
}

#ttm-edges .ttm-edge.is-hidden {
  display: none;
}

.ttm-node {
  cursor: pointer;
  transition: opacity .2s;
}

.ttm-node.is-dim {
  opacity: .12;
}

.ttm-node.is-found {
  opacity: 1;
}

.ttm-node__card {
  width: 100%;
  height: 100%;
  background: var(--ttm-panel-2);
  border: 1px solid var(--ttm-border-strong);
  border-radius: 8px;
  padding: 8px 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,.35);
  transition: border-color .15s, box-shadow .15s, opacity .15s;
}

.ttm-node:hover .ttm-node__card {
  border-color: var(--ttm-accent);
  box-shadow: 0 4px 14px rgba(0,0,0,.4), 0 0 0 1px rgba(245,185,66,.25);
}

.ttm-node__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.ttm-node__trader {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  border: 1px solid var(--ttm-border);
  background: var(--ttm-bg);
  object-fit: contain;
  display: inline-block;
}

.ttm-node__trader--text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  color: var(--ttm-muted);
  text-transform: uppercase;
}

.ttm-node__link {
  color: var(--ttm-accent-strong);
  font-size: 11px;
  text-decoration: none;
  font-weight: 700;
}

.ttm-node__link:hover {
  text-decoration: underline;
}

.ttm-node__title {
  font-size: 15px;
  font-weight: 800;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ttm-node__title a {
  color: var(--ttm-text);
  text-decoration: none;
}

.ttm-node__title a:hover {
  color: var(--ttm-accent-strong);
}

.ttm-node__text {
  color: var(--ttm-muted);
  font-size: 11px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1 1 auto;
}

.ttm-node__meta {
  color: var(--ttm-muted);
  font-size: 11px;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ttm-node__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}

.ttm-node__done {
  appearance: none;
  border: 1px solid var(--ttm-border-strong);
  border-radius: 6px;
  background: var(--ttm-bg);
  color: var(--ttm-text);
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
  width: 100%;
}

.ttm-node__done:hover {
  border-color: var(--ttm-accent);
  color: var(--ttm-accent-strong);
}

.ttm-node__done.is-done {
  border-color: var(--ttm-green);
  color: #0d1116;
  background: var(--ttm-green);
}

.ttm-badge {
  display: inline-block;
  padding: 0 4px;
  border-radius: 4px;
  font-size: 9px;
  font-weight: 800;
  line-height: 15px;
  border: 1px solid var(--ttm-border-strong);
  color: var(--ttm-muted);
  background: var(--ttm-bg);
  white-space: nowrap;
}

.ttm-badge--kappa {
  color: #10141a;
  background: var(--ttm-accent);
  border-color: var(--ttm-accent);
}

.ttm-badge--dspt {
  color: var(--ttm-purple);
  border-color: var(--ttm-purple);
  background: rgba(199,146,234,.12);
}

.ttm-badge--light {
  color: var(--ttm-blue);
  border-color: var(--ttm-blue);
  background: rgba(88,166,255,.12);
}

@media (max-width: 760px) {
  .ttm-top {
    gap: 8px;
    padding: 8px 10px;
  }

  .ttm-brand strong,
  .ttm-brand .ttm-title {
    font-size: 14px;
  }

  .ttm-search input {
    width: 150px;
  }

  .ttm-links {
    display: none;
  }
}

@media (max-width: 520px) {
  .ttm-kicker {
    display: none;
  }

  .ttm-controls,
  .ttm-zoom {
    width: 100%;
  }

  .ttm-search {
    flex: 1 1 auto;
  }

  .ttm-search input {
    width: 100%;
  }
}