/* PA Agent · 手机端深色主题 */
:root {
  --bg: #070a0f;
  --bg-soft: #0b1018;
  --panel: #101722;
  --panel-2: #141d2b;
  --line: rgba(148, 163, 184, 0.14);
  --line-strong: rgba(148, 163, 184, 0.26);
  --fg: #e8eef8;
  --fg-2: #9aabc2;
  --fg-3: #61718a;
  --up: #22c55e;
  --down: #ef4444;
  --accent: #22d3ee;
  --accent-2: #38bdf8;
  --amber: #f5b942;
  --violet: #a78bfa;
  --radius: 16px;
  --radius-sm: 10px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
  --tabbar-h: 60px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC",
    "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  background:
    radial-gradient(900px 420px at 85% -8%, rgba(34, 211, 238, 0.10), transparent 62%),
    radial-gradient(700px 380px at 0% 8%, rgba(167, 139, 250, 0.07), transparent 60%),
    var(--bg);
}

button, input, select, textarea { font-family: inherit; color: inherit; }
button { cursor: pointer; }
::selection { background: rgba(34, 211, 238, 0.28); }

/* ── 布局 ─────────────────────────────────────────────── */
#app {
  max-width: 560px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; padding-bottom: calc(var(--tabbar-h) + var(--safe-b) + 12px); }

.view { display: none; padding: 10px 14px 4px; animation: fade 0.18s ease; }
.view.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ── 顶栏 ─────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: calc(8px + var(--safe-t)) 14px 8px;
  background: linear-gradient(180deg, rgba(7, 10, 15, 0.98), rgba(7, 10, 15, 0.94));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.brand { display: flex; align-items: baseline; gap: 3px; flex: 0 0 auto; }
.brand .logo {
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.5px;
  background: linear-gradient(120deg, var(--accent), #7dd3fc 60%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand .sub { font-size: 10px; color: var(--fg-3); letter-spacing: 1.5px; text-transform: uppercase; }

.sym-btn {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  background: rgba(20, 29, 43, 0.72);
  border-radius: 999px;
  padding: 7px 12px;
  color: var(--fg);
  font-size: 13px;
  overflow: hidden;
}
.sym-btn .code { font-weight: 700; font-variant-numeric: tabular-nums; }
.sym-btn .name {
  color: var(--fg-2);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sym-btn .caret { margin-left: auto; color: var(--fg-3); flex: 0 0 auto; }

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(20, 29, 43, 0.72);
  display: grid;
  place-items: center;
  color: var(--fg-2);
  flex: 0 0 auto;
  transition: transform 0.2s ease, color 0.2s;
}
.icon-btn:active { transform: scale(0.92); color: var(--accent); }
.icon-btn.spinning svg { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── 行情 ─────────────────────────────────────────────── */
.quote { padding: 6px 2px 10px; }
.quote-main { display: flex; align-items: baseline; gap: 10px; }
.price {
  font-size: 34px;
  font-weight: 750;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.price.up { color: var(--up); }
.price.down { color: var(--down); }
.chg { font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; }
.chg.up { color: var(--up); }
.chg.down { color: var(--down); }
.quote-sub {
  display: flex;
  gap: 14px;
  margin-top: 6px;
  color: var(--fg-3);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}
.quote-sub b { color: var(--fg-2); font-weight: 600; }

.chips { display: flex; gap: 6px; overflow-x: auto; padding: 2px 0 10px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: rgba(20, 29, 43, 0.55);
  color: var(--fg-2);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  transition: all 0.15s ease;
}
.chip.active {
  color: #04141a;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-color: transparent;
  font-weight: 700;
}
.chip:active { transform: scale(0.95); }

.chart-box {
  position: relative;
  height: clamp(240px, 44dvh, 380px);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 23, 34, 0.85), rgba(9, 13, 20, 0.9));
  overflow: hidden;
}
.chart-box canvas { display: block; width: 100%; height: 100%; touch-action: none; }
.chart-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--fg-3);
  font-size: 12px;
  background: rgba(7, 10, 15, 0.55);
  backdrop-filter: blur(2px);
}
.chart-loading[hidden] { display: none; }

.chart-foot {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 7px 2px 4px;
  color: var(--fg-3);
  font-size: 10.5px;
}
.legend { display: inline-flex; align-items: center; gap: 5px; }
.legend .dot { width: 7px; height: 7px; border-radius: 2px; display: inline-block; }
.legend .dot.ema { background: var(--amber); }
.legend .dot.vol { background: rgba(56, 189, 248, 0.55); }
.chart-foot .spacer { flex: 1; }
.mini-btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--fg-2);
  border-radius: 8px;
  font-size: 10.5px;
  padding: 3px 9px;
}
.mini-btn:active { background: rgba(148, 163, 184, 0.12); }
.mini-btn.danger { color: #fca5a5; border-color: rgba(239, 68, 68, 0.35); }

/* ── 按钮 ─────────────────────────────────────────────── */
.btn {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--fg);
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.12s ease, filter 0.2s, opacity 0.2s;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; pointer-events: none; }
.btn-primary {
  background: linear-gradient(120deg, #22d3ee, #38bdf8 45%, #818cf8);
  color: #041018;
  border: none;
  font-weight: 800;
  box-shadow: 0 8px 26px -12px rgba(34, 211, 238, 0.75);
}
.btn-lg { width: 100%; padding: 14px; font-size: 15.5px; border-radius: 14px; }
.btn-ghost { background: transparent; }
.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 9px; }

.cta { margin-top: 12px; }
.cta-hint { margin: 8px 0 0; text-align: center; color: var(--fg-3); font-size: 11px; }
.disclaimer { text-align: center; color: var(--fg-3); font-size: 10.5px; margin: 16px 0 4px; opacity: 0.8; }

/* ── 卡片 ─────────────────────────────────────────────── */
.card {
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(20, 29, 43, 0.9), rgba(13, 19, 29, 0.92));
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}
.card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.card-title { font-size: 13px; font-weight: 700; letter-spacing: 0.2px; }
.card-title::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 12px;
  border-radius: 2px;
  margin-right: 7px;
  vertical-align: -2px;
  background: linear-gradient(180deg, var(--accent), var(--violet));
}
.card-head .spacer { flex: 1; }
.muted { color: var(--fg-3); font-size: 11px; }
.section-head { display: flex; align-items: center; gap: 8px; margin: 4px 2px 10px; }
.section-head h2 { font-size: 17px; margin: 0; font-weight: 750; letter-spacing: -0.2px; }
.section-head .spacer { flex: 1; }

/* ── 空状态 ───────────────────────────────────────────── */
.empty {
  text-align: center;
  color: var(--fg-3);
  padding: 46px 20px;
  font-size: 13px;
}
.empty-icon {
  font-size: 30px;
  color: rgba(34, 211, 238, 0.5);
  margin-bottom: 8px;
  animation: float 3s ease-in-out infinite;
}
@keyframes float { 50% { transform: translateY(-5px); } }
.empty p { margin: 0 0 14px; }

/* ── 分析进度 / 流 ────────────────────────────────────── */
.steps { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 8px; }
.step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--fg-3);
  transition: color 0.2s;
}
.step .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.3);
  flex: 0 0 auto;
  transition: all 0.25s;
}
.step.active { color: var(--fg); }
.step.active .dot {
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.55);
  animation: pulse 1.4s infinite;
}
.step.done { color: var(--fg-2); }
.step.done .dot { background: var(--up); }
.step.error { color: #fca5a5; }
.step.error .dot { background: var(--down); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.5); }
  70% { box-shadow: 0 0 0 7px rgba(34, 211, 238, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0); }
}

.stream-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.seg {
  display: inline-flex;
  padding: 2px;
  border-radius: 9px;
  background: rgba(148, 163, 184, 0.10);
  border: 1px solid var(--line);
}
.seg button {
  border: none;
  background: transparent;
  color: var(--fg-2);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 7px;
}
.seg button.active { background: rgba(34, 211, 238, 0.15); color: var(--accent); font-weight: 700; }
.stream-stage { flex: 1; color: var(--fg-3); font-size: 10.5px; }

.stream {
  margin: 0;
  max-height: 34dvh;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  line-height: 1.6;
  color: #b9c7da;
  background: rgba(5, 8, 13, 0.6);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  -webkit-overflow-scrolling: touch;
}
.stream:empty::after { content: "模型正在读取 K 线与策略库，通常需要 30–60 秒…"; color: var(--fg-3); }

/* ── 结论卡 ───────────────────────────────────────────── */
.verdict { position: relative; overflow: hidden; }
.verdict::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--violet), transparent);
  opacity: 0.8;
}
.verdict-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.badge {
  font-size: 11px;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: 7px;
  letter-spacing: 0.3px;
}
.badge-buy { color: #86efac; background: rgba(34, 197, 94, 0.14); border: 1px solid rgba(34, 197, 94, 0.35); }
.badge-sell { color: #fca5a5; background: rgba(239, 68, 68, 0.14); border: 1px solid rgba(239, 68, 68, 0.35); }
.badge-none { color: #cbd5e1; background: rgba(148, 163, 184, 0.12); border: 1px solid rgba(148, 163, 184, 0.3); }
.badge-cyan { color: #67e8f9; background: rgba(34, 211, 238, 0.12); border: 1px solid rgba(34, 211, 238, 0.32); }
.badge-amber { color: #fcd34d; background: rgba(245, 158, 11, 0.12); border: 1px solid rgba(245, 158, 11, 0.3); }
.verdict-title { font-size: 20px; font-weight: 800; letter-spacing: -0.4px; margin: 10px 0 2px; }
.verdict-sub { color: var(--fg-2); font-size: 12px; margin-bottom: 12px; }

.pricegrid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 4px 0 12px;
}
.pcell {
  border: 1px solid var(--line);
  background: rgba(9, 14, 22, 0.55);
  border-radius: 11px;
  padding: 8px 10px;
}
.pcell-label { font-size: 10px; color: var(--fg-3); margin-bottom: 2px; }
.pcell-value { font-size: 17px; font-weight: 750; font-variant-numeric: tabular-nums; }
.pcell-value.accent { color: var(--accent); }
.pcell-value.up { color: var(--up); }
.pcell-value.down { color: var(--down); }
.pcell-value.amber { color: var(--amber); }

.metric { margin: 10px 0; }
.metric-row { display: flex; align-items: center; gap: 8px; font-size: 11.5px; color: var(--fg-2); }
.metric-row .val { margin-left: auto; color: var(--fg); font-weight: 700; font-variant-numeric: tabular-nums; }
.bar { height: 5px; border-radius: 4px; background: rgba(148, 163, 184, 0.14); overflow: hidden; margin-top: 5px; }
.bar-fill { height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 0.5s ease; }
.bar-fill.amber { background: linear-gradient(90deg, var(--amber), #f97316); }
.bar-fill.up { background: linear-gradient(90deg, #16a34a, var(--up)); }
.bar-fill.down { background: linear-gradient(90deg, #dc2626, var(--down)); }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; font-size: 12px; }
.kv dt { color: var(--fg-3); }
.kv dd { margin: 0; color: var(--fg-2); text-align: right; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: 11px;
  color: var(--fg-2);
  background: rgba(148, 163, 184, 0.10);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 3px 8px;
}
.tag.green { color: #86efac; border-color: rgba(34, 197, 94, 0.3); background: rgba(34, 197, 94, 0.08); }
.tag.red { color: #fca5a5; border-color: rgba(239, 68, 68, 0.3); background: rgba(239, 68, 68, 0.08); }
.tag.amber { color: #fcd34d; border-color: rgba(245, 158, 11, 0.3); background: rgba(245, 158, 11, 0.08); }
.tag.blue { color: #7dd3fc; border-color: rgba(56, 189, 248, 0.3); background: rgba(56, 189, 248, 0.08); }
.tag.violet { color: #c4b5fd; border-color: rgba(167, 139, 250, 0.3); background: rgba(167, 139, 250, 0.08); }

.prose { font-size: 12.5px; line-height: 1.7; color: var(--fg-2); }
.prose + .prose { margin-top: 8px; }
.quote-note {
  border-left: 2px solid rgba(34, 211, 238, 0.45);
  padding: 2px 0 2px 10px;
  color: var(--fg-2);
  font-size: 12px;
  line-height: 1.65;
}

details.collapse { border-top: 1px solid var(--line); margin-top: 10px; padding-top: 8px; }
details.collapse > summary {
  list-style: none;
  cursor: pointer;
  font-size: 12px;
  color: var(--fg-2);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 0;
}
details.collapse > summary::-webkit-details-marker { display: none; }
details.collapse > summary::before {
  content: "▸";
  color: var(--fg-3);
  transition: transform 0.2s;
}
details.collapse[open] > summary::before { transform: rotate(90deg); }
details.collapse .collapse-body { padding-top: 10px; }

/* 决策路径 */
.trace { display: grid; gap: 8px; }
.trace-item {
  border: 1px solid var(--line);
  border-left: 2px solid rgba(148, 163, 184, 0.35);
  border-radius: 8px;
  padding: 8px 10px;
  background: rgba(9, 14, 22, 0.4);
}
.trace-item.yes { border-left-color: rgba(34, 197, 94, 0.7); }
.trace-item.no { border-left-color: rgba(239, 68, 68, 0.7); }
.trace-item.mid { border-left-color: rgba(245, 158, 11, 0.7); }
.trace-q { font-size: 11.5px; color: var(--fg); display: flex; gap: 8px; }
.trace-q .ans { margin-left: auto; font-weight: 700; color: var(--fg-2); flex: 0 0 auto; }
.trace-a { font-size: 10.5px; color: var(--fg-3); margin-top: 4px; line-height: 1.55; }

/* 逐 K 线 */
.barlist { display: grid; gap: 6px; }
.baritem { display: grid; grid-template-columns: 38px 1fr; gap: 8px; font-size: 11px; }
.baritem .seq { color: var(--fg-3); font-variant-numeric: tabular-nums; }
.baritem .txt { color: var(--fg-2); line-height: 1.55; }
.baritem .role { color: var(--accent); }
.baritem.tight { grid-template-columns: 10px 1fr; }

/* ── 对话 ─────────────────────────────────────────────── */
#view-chat.active {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--safe-t) - 56px - var(--tabbar-h) - var(--safe-b) - 6px);
  height: calc(100dvh - var(--safe-t) - 56px - var(--tabbar-h) - var(--safe-b) - 6px);
  padding-bottom: 0;
}
.chat-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px 2px 12px;
  -webkit-overflow-scrolling: touch;
}
.msg { display: flex; flex-direction: column; max-width: 92%; }
.msg.user { align-self: flex-end; align-items: flex-end; }
.msg.ai { align-self: flex-start; }
.msg .who { font-size: 9.5px; color: var(--fg-3); margin: 0 4px 3px; letter-spacing: 0.5px; }
.bubble {
  border-radius: 14px;
  padding: 9px 12px;
  font-size: 13px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--fg);
}
.msg.user .bubble {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.18), rgba(56, 189, 248, 0.12));
  border-color: rgba(34, 211, 238, 0.3);
  border-bottom-right-radius: 4px;
}
.msg.ai .bubble { border-bottom-left-radius: 4px; background: rgba(20, 29, 43, 0.85); }
.msg .reasoning { margin-top: 6px; width: 100%; }
.msg .reasoning summary { font-size: 10px; color: var(--fg-3); cursor: pointer; }
.msg .reasoning pre {
  margin: 6px 0 0;
  font-size: 10px;
  line-height: 1.55;
  color: var(--fg-3);
  white-space: pre-wrap;
  max-height: 160px;
  overflow: auto;
}
.typing::after {
  content: "▍";
  color: var(--accent);
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.chat-bar {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  padding: 8px 0 4px;
  border-top: 1px solid var(--line);
  background: transparent;
  flex: 0 0 auto;
}
.chat-bar textarea {
  flex: 1;
  resize: none;
  max-height: 96px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 12px;
  padding: 9px 12px;
  font-size: 16px;
  line-height: 1.4;
  outline: none;
}
.chat-bar textarea:focus { border-color: rgba(34, 211, 238, 0.5); }
.send-btn {
  flex: 0 0 auto;
  border: none;
  border-radius: 12px;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 13px;
  color: #041018;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
}
.send-btn:disabled { opacity: 0.4; }

/* ── 历史 ─────────────────────────────────────────────── */
.hist { display: grid; gap: 9px; }
.hist-item {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(20, 29, 43, 0.85), rgba(12, 18, 27, 0.9));
  border-radius: 13px;
  padding: 11px 13px;
  transition: transform 0.12s, border-color 0.2s;
}
.hist-item:active { transform: scale(0.985); border-color: var(--line-strong); }
.hist-main { flex: 1; min-width: 0; }
.hist-title { display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 650; }
.hist-title .code { font-variant-numeric: tabular-nums; }
.hist-title .nm { color: var(--fg-2); font-size: 11px; font-weight: 400; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hist-sub { color: var(--fg-3); font-size: 10.5px; margin-top: 3px; }
.hist-side { text-align: right; flex: 0 0 auto; }
.hist-side .conf { font-size: 15px; font-weight: 750; font-variant-numeric: tabular-nums; color: var(--accent); }
.hist-side .conf-label { font-size: 9px; color: var(--fg-3); }

/* ── 设置 ─────────────────────────────────────────────── */
.field { display: block; margin-bottom: 12px; }
.field > .label { display: flex; align-items: center; justify-content: space-between; font-size: 11.5px; color: var(--fg-2); margin-bottom: 5px; }
.field input[type="text"], .field input[type="password"], .field input[type="number"], .field select {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(7, 11, 17, 0.75);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 16px;
  outline: none;
  color: var(--fg);
  appearance: none;
}
.field select {
  background-image: linear-gradient(45deg, transparent 50%, var(--fg-3) 50%),
    linear-gradient(135deg, var(--fg-3) 50%, transparent 50%);
  background-position: calc(100% - 16px) 18px, calc(100% - 11px) 18px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
.field input:focus, .field select:focus { border-color: rgba(34, 211, 238, 0.55); }
.field .hint { font-size: 10px; color: var(--fg-3); margin-top: 4px; }

.switch { position: relative; display: inline-block; width: 42px; height: 24px; flex: 0 0 auto; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .track {
  position: absolute;
  inset: 0;
  background: rgba(148, 163, 184, 0.25);
  border-radius: 999px;
  transition: background 0.2s;
}
.switch .track::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  top: 3px;
  left: 3px;
  transition: transform 0.2s;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}
.switch input:checked + .track { background: linear-gradient(120deg, var(--accent), var(--accent-2)); }
.switch input:checked + .track::after { transform: translateX(18px); }

.range { width: 100%; appearance: none; height: 4px; border-radius: 3px; background: rgba(148, 163, 184, 0.2); outline: none; }
.range::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #0a1018;
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.5);
}

.qr-box { display: flex; gap: 14px; align-items: center; }
.qr-box img {
  width: 118px;
  height: 118px;
  border-radius: 12px;
  background: #fff;
  padding: 6px;
  flex: 0 0 auto;
}
.qr-meta { flex: 1; min-width: 0; }
.qr-url {
  font-size: 10.5px;
  color: var(--fg-2);
  word-break: break-all;
  line-height: 1.5;
  background: rgba(7, 11, 17, 0.6);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 8px;
}
.copy-btn { margin-top: 6px; }

/* ── 底部导航 ─────────────────────────────────────────── */
.tabbar {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 100%;
  max-width: 560px;
  z-index: 40;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  padding: 5px 6px calc(5px + var(--safe-b));
  background: rgba(8, 12, 18, 0.9);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  border: none;
  background: transparent;
  color: var(--fg-3);
  font-size: 9.5px;
  padding: 5px 0 2px;
  border-radius: 10px;
  transition: color 0.15s;
}
.tab svg { width: 20px; height: 20px; stroke: currentColor; stroke-width: 1.7; fill: none; }
.tab.active { color: var(--accent); }
.tab.active svg { filter: drop-shadow(0 0 6px rgba(34, 211, 238, 0.45)); }
.tab:active { background: rgba(148, 163, 184, 0.07); }
.tab .badge-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  transform: translate(16px, -2px);
}

/* ── 弹层 / 抽屉 ──────────────────────────────────────── */
.sheet { position: fixed; inset: 0; z-index: 60; display: none; }
.sheet.open { display: block; }
.sheet-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 5, 9, 0.66);
  backdrop-filter: blur(3px);
  animation: fade 0.2s ease;
}
.sheet-panel {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  max-width: 560px;
  max-height: 84dvh;
  display: flex;
  flex-direction: column;
  background: #0c121b;
  border-radius: 20px 20px 0 0;
  border-top: 1px solid var(--line-strong);
  padding: 8px 16px calc(16px + var(--safe-b));
  animation: slideup 0.24s cubic-bezier(0.22, 0.9, 0.3, 1);
}
@keyframes slideup { from { transform: translate(-50%, 100%); } to { transform: translate(-50%, 0); } }
.sheet-handle { width: 36px; height: 4px; border-radius: 2px; background: rgba(148, 163, 184, 0.3); margin: 0 auto 10px; }
.sheet-title { font-size: 15px; font-weight: 700; margin: 0 0 10px; }
.search-input {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(7, 11, 17, 0.8);
  border-radius: 11px;
  padding: 11px 13px;
  font-size: 16px;
  outline: none;
}
.search-input:focus { border-color: rgba(34, 211, 238, 0.5); }
.search-results { overflow-y: auto; margin-top: 8px; min-height: 120px; flex: 1; -webkit-overflow-scrolling: touch; }
.result-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 4px;
  border-bottom: 1px solid var(--line);
}
.result-item:active { background: rgba(148, 163, 184, 0.07); }
.result-item .code { font-weight: 700; font-variant-numeric: tabular-nums; font-size: 13.5px; min-width: 76px; }
.result-item .nm { color: var(--fg-2); font-size: 12.5px; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-item .mkt { font-size: 9.5px; color: var(--fg-3); text-transform: uppercase; }
.presets { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 10px; border-top: 1px solid var(--line); margin-top: 6px; }

/* ── 登录 ─────────────────────────────────────────────── */
.login {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(34, 211, 238, 0.14), transparent 65%),
    var(--bg);
}
.login.show { display: grid; }
.login-card {
  width: 100%;
  max-width: 330px;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(20, 29, 43, 0.95), rgba(10, 15, 22, 0.98));
  border-radius: 20px;
  padding: 26px 22px;
  text-align: center;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.9);
}
.login-logo {
  width: 52px;
  height: 52px;
  margin: 0 auto 12px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -1px;
  color: #041018;
  background: linear-gradient(135deg, var(--accent), var(--accent-2) 55%, var(--violet));
  box-shadow: 0 10px 30px -10px rgba(34, 211, 238, 0.7);
}
.login-card h1 { font-size: 19px; margin: 0 0 4px; letter-spacing: -0.3px; }
.login-card p { color: var(--fg-3); font-size: 12px; margin: 0 0 16px; line-height: 1.6; }
.login-card input {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(7, 11, 17, 0.8);
  border-radius: 12px;
  padding: 13px;
  font-size: 22px;
  text-align: center;
  letter-spacing: 8px;
  font-variant-numeric: tabular-nums;
  outline: none;
  margin-bottom: 12px;
}
.login-card input:focus { border-color: rgba(34, 211, 238, 0.55); }
.login-card .err { color: #fca5a5; font-size: 11px; min-height: 15px; margin: 8px 0 0; }

/* ── Toast ────────────────────────────────────────────── */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--tabbar-h) + var(--safe-b) + 18px);
  transform: translate(-50%, 20px);
  z-index: 90;
  max-width: 84vw;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(18, 26, 38, 0.96);
  border: 1px solid var(--line-strong);
  color: var(--fg);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s, transform 0.22s;
  box-shadow: 0 12px 40px -18px rgba(0, 0, 0, 0.9);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.hidden { display: none !important; }

/* 桌面端稍作适配 */
@media (min-width: 720px) {
  body { background:
    radial-gradient(900px 420px at 85% -8%, rgba(34, 211, 238, 0.10), transparent 62%),
    radial-gradient(700px 380px at 0% 8%, rgba(167, 139, 250, 0.07), transparent 60%),
    var(--bg); }
  #app { border-left: 1px solid var(--line); border-right: 1px solid var(--line); background: rgba(6, 9, 14, 0.35); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}