:root {
  --bg: #1a1a2e;
  --bg2: #16213e;
  --card: #242442;
  --card2: #2e2e50;
  --text: #eaeaea;
  --muted: #9a9ab0;
  --primary: #e94560;
  --primary2: #ff6b81;
  --ok: #2ecc71;
  --bad: #e74c3c;
  --border: #3a3a5c;
  --radius: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
}

.topbar {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px;
}
.brand { font-weight: 700; font-size: 18px; color: var(--primary2); white-space: nowrap; }
.nav { display: flex; gap: 6px; }
.nav-btn {
  background: var(--card); color: var(--muted); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 8px; cursor: pointer; font-size: 14px;
}
.nav-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

main { max-width: 960px; margin: 0 auto; padding: 16px; padding-bottom: 80px; }
.view.hidden { display: none; }

h1 { font-size: 26px; }
h2 { font-size: 20px; margin-bottom: 12px; }
h3 { font-size: 16px; margin: 16px 0 8px; }

.btn {
  background: var(--card); color: var(--text); border: 1px solid var(--border);
  padding: 8px 16px; border-radius: var(--radius); cursor: pointer; font-size: 14px;
}
.btn:hover { background: var(--card2); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary2); }
.btn.big { padding: 12px 24px; font-size: 16px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.hero { text-align: center; padding: 40px 0 20px; }
.hero .sub { color: var(--muted); margin-top: 8px; }
.home-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 20px 0; }
.howto { max-width: 560px; margin: 24px auto; background: var(--card); border-radius: var(--radius); padding: 16px 20px; }
.howto ol { padding-left: 20px; line-height: 1.8; color: var(--muted); }

/* 出题 */
.builder-head { position: sticky; top: 52px; background: var(--bg); z-index: 40; padding-bottom: 8px; }
.title-input {
  width: 100%; background: var(--card); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; border-radius: var(--radius); font-size: 16px; margin-bottom: 10px;
}
.search-box { position: relative; }
.search-box input {
  width: 100%; background: var(--card); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; border-radius: var(--radius); font-size: 15px;
}
.search-results {
  position: absolute; top: 100%; left: 0; right: 0; margin-top: 4px;
  background: var(--card2); border: 1px solid var(--border); border-radius: var(--radius);
  max-height: 280px; overflow-y: auto; z-index: 30;
}
.search-item {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px; cursor: pointer;
  border-bottom: 1px solid var(--border);
}
.search-item:hover { background: var(--card); }
.search-item img { width: 40px; height: 40px; object-fit: contain; }
.search-item .si-name { font-weight: 600; }
.search-item .si-types { display: flex; gap: 4px; }
.type-chip {
  display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 12px;
  color: #fff; font-weight: 600;
}

.questions-list { margin-top: 16px; display: flex; flex-direction: column; gap: 12px; }
.q-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px; display: flex; gap: 12px; align-items: flex-start;
}
.q-card .q-img { width: 80px; height: 80px; object-fit: contain; flex-shrink: 0; background: var(--bg2); border-radius: 8px; }
.q-card .q-body { flex: 1; min-width: 0; }
.q-card .q-name { font-weight: 700; font-size: 16px; }
.q-card .q-types { margin: 4px 0 8px; display: flex; gap: 4px; }
.q-card .q-type-select { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.q-type-select button {
  background: var(--bg2); border: 1px solid var(--border); color: var(--text);
  padding: 4px 10px; border-radius: 6px; cursor: pointer; font-size: 13px;
}
.q-type-select button.active { background: var(--primary); border-color: var(--primary); }
.q-card .q-ability-select { margin-bottom: 8px; }
.q-card .q-ability-select select {
  background: var(--bg2); color: var(--text); border: 1px solid var(--border);
  padding: 4px 8px; border-radius: 6px; width: 100%;
}
.q-card .q-img-mode { display: flex; gap: 6px; margin-bottom: 8px; }
.q-card .q-actions { display: flex; gap: 6px; }
.q-card .q-actions button { flex: 1; }

.builder-foot {
  position: sticky; bottom: 0; background: var(--bg); padding: 12px 0;
  display: flex; flex-direction: column; gap: 10px; border-top: 1px solid var(--border);
}
.mode-switch { display: flex; gap: 16px; }
.mode-opt { display: flex; align-items: center; gap: 6px; cursor: pointer; }

/* 答题渲染 */
.answer-head { text-align: center; margin-bottom: 16px; }
.player-input { margin-top: 10px; }
.player-input input {
  background: var(--card); border: 1px solid var(--border); color: var(--text);
  padding: 8px 12px; border-radius: 8px; width: 240px; max-width: 100%; text-align: center;
}
.questions-render { display: flex; flex-direction: column; gap: 16px; }
.question {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px;
}
.question .q-num { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.question .q-image { text-align: center; margin-bottom: 12px; }
.question .q-image img { max-width: 180px; max-height: 180px; }
.question .q-image.silhouette img { filter: brightness(0); }
.question .q-prompt { font-weight: 600; margin-bottom: 10px; }

.name-input {
  width: 100%; background: var(--bg2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; border-radius: 8px; font-size: 16px;
}

/* 属性题 */
.type-slots { display: flex; gap: 8px; justify-content: center; margin-bottom: 12px; min-height: 44px; }
.type-slot {
  width: 70px; height: 44px; border: 2px dashed var(--border); border-radius: 8px;
  display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 600;
  cursor: pointer; background: var(--bg2);
}
.type-slot.filled { border-style: solid; color: #fff; }
.type-pool { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; min-height: 44px; }
.type-pool .type-chip { cursor: grab; font-size: 14px; padding: 6px 14px; }
.type-pool .type-chip.used { opacity: .3; pointer-events: none; }

/* 进化链排序 */
.chain-sort { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.chain-piece {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 8px;
  padding: 6px; text-align: center; cursor: grab; width: 90px;
}
.chain-piece img { width: 60px; height: 60px; object-fit: contain; }
.chain-piece.dragging { opacity: .4; }
.chain-arrow { align-self: center; color: var(--muted); font-size: 20px; }

/* 特性连线 */
.connect-area { display: flex; gap: 16px; position: relative; }
.connect-col { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.connect-col.labels { text-align: right; }
.connect-item {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px; cursor: pointer; min-height: 40px; display: flex; align-items: center;
  justify-content: center; gap: 8px;
}
.connect-item.selected { border-color: var(--primary); background: var(--card2); }
.connect-item.connected { border-color: var(--ok); }
.connect-item img { width: 36px; height: 36px; object-fit: contain; }
.connect-svg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; }

.answer-foot { text-align: center; margin-top: 24px; position: sticky; bottom: 0; background: var(--bg); padding: 12px; }

/* 结果 */
.result-head { text-align: center; margin-bottom: 20px; }
.score-big { font-size: 48px; font-weight: 800; color: var(--primary2); margin: 10px 0; }
.result-list { display: flex; flex-direction: column; gap: 12px; }
.result-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px; display: flex; gap: 12px; align-items: flex-start;
}
.result-item.correct { border-left: 4px solid var(--ok); }
.result-item.wrong { border-left: 4px solid var(--bad); }
.result-item img { width: 64px; height: 64px; object-fit: contain; }
.result-item .ri-body { flex: 1; }
.result-item .ri-name { font-weight: 700; }
.result-item .ri-answer { margin: 4px 0; font-size: 14px; }
.result-item .ri-answer .label { color: var(--muted); }
.result-item .ri-score { font-weight: 700; }
.result-foot { display: flex; gap: 12px; justify-content: center; margin-top: 20px; }

/* 题单列表 */
.quiz-list { display: flex; flex-direction: column; gap: 10px; }
.quiz-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px; display: flex; justify-content: space-between; align-items: center; gap: 10px;
}
.quiz-item .qi-info .qi-title { font-weight: 700; }
.quiz-item .qi-info .qi-meta { font-size: 13px; color: var(--muted); margin-top: 2px; }
.quiz-item .qi-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* 线上管理 */
.manage-head { margin-bottom: 16px; }
.manage-links { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.link-chip {
  background: var(--bg2); border: 1px solid var(--border); padding: 6px 10px; border-radius: 6px;
  font-size: 13px; word-break: break-all;
}
.submissions { display: flex; flex-direction: column; gap: 10px; }
.sub-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px;
}
.sub-item .si-player { font-weight: 700; }
.sub-item .si-meta { color: var(--muted); font-size: 13px; margin: 4px 0 8px; }
.sub-item .si-detail { font-size: 14px; line-height: 1.7; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--card2); color: var(--text); padding: 10px 20px; border-radius: 20px;
  border: 1px solid var(--border); z-index: 100; opacity: 0; transition: opacity .3s;
  pointer-events: none;
}
.toast.show { opacity: 1; }

.hidden { display: none !important; }

@media (max-width: 600px) {
  .topbar { padding: 8px 10px; }
  .brand { font-size: 16px; }
  .nav-btn { padding: 5px 10px; font-size: 13px; }
  main { padding: 12px; }
  .q-card .q-img { width: 64px; height: 64px; }
}