:root {
  --bg: #0b1220;
  --bg-2: #0f1729;
  --card: #151f33;
  --card-2: #1b2740;
  --line: #243250;
  --text: #e8edf6;
  --muted: #93a0ba;
  --accent: #5b8cff;
  --accent-2: #7b5bff;
  --good: #34d399;
  --mid: #fbbf24;
  --bad: #f87171;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0, 0, 0, .28);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(91, 140, 255, .10), transparent),
    linear-gradient(180deg, var(--bg-2), var(--bg));
  background-color: var(--bg);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 18px; }

/* Header */
.site-head {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(91, 140, 255, .08), transparent);
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(10px);
}
.head-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 18px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  font-size: 30px; width: 52px; height: 52px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 14px; box-shadow: var(--shadow);
}
.site-head h1 { font-size: 20px; margin: 0; letter-spacing: .3px; }
.tagline { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.head-ops { display: flex; gap: 8px; }

/* Buttons */
.btn {
  border: 1px solid var(--line); background: var(--card-2); color: var(--text);
  padding: 9px 16px; border-radius: 10px; font-size: 14px; cursor: pointer;
  transition: .15s; font-weight: 500;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: none; color: #fff; }
.btn-ghost { background: transparent; }
.link-btn { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 13px; padding: 4px 0; }
.link-btn:hover { text-decoration: underline; }

/* Layout */
.layout { display: grid; grid-template-columns: 1fr 380px; gap: 24px; padding-top: 22px; padding-bottom: 30px; align-items: start; }

/* Product meta */
.product-meta { display: flex; gap: 12px; margin-bottom: 14px; }
.field { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.field-sm { flex: 0 0 38%; }
.field label { font-size: 12px; color: var(--muted); }
.field input {
  background: var(--card); border: 1px solid var(--line); color: var(--text);
  border-radius: 10px; padding: 11px 12px; font-size: 15px; outline: none; transition: .15s; width: 100%;
}
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91, 140, 255, .15); }

/* Advanced weights */
.advanced { margin-bottom: 16px; }
.weight-panel { display: none; margin-top: 10px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.advanced.open .weight-panel { display: block; }
.wrow { display: grid; grid-template-columns: 120px 1fr 48px; align-items: center; gap: 10px; margin: 8px 0; }
.wname { font-size: 13px; }
.wval { font-size: 13px; color: var(--muted); text-align: right; }
.wrow input[type=range] { width: 100%; accent-color: var(--accent); }

/* Dimension cards */
.dim-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 14px; box-shadow: var(--shadow); }
.dim-head { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.dim-icon { font-size: 22px; }
.dim-titles { flex: 1; }
.dim-titles h3 { margin: 0; font-size: 16px; }
.dim-desc { margin: 2px 0 0; font-size: 12.5px; color: var(--muted); }
.dim-weight { font-size: 12px; color: var(--accent); background: rgba(91, 140, 255, .12); padding: 3px 9px; border-radius: 20px; white-space: nowrap; }

.crit { padding: 12px 0; border-top: 1px solid var(--line); }
.crit:first-of-type { border-top: none; }
.crit-label { display: flex; flex-direction: column; gap: 2px; margin-bottom: 8px; }
.crit-name { font-weight: 600; font-size: 14px; }
.crit-q { font-size: 12.5px; color: var(--muted); }
.rate { display: flex; gap: 8px; }
.rate-btn {
  flex: 1; height: 40px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--card-2); color: var(--muted); font-size: 15px; font-weight: 600;
  cursor: pointer; transition: .12s;
}
.rate-btn:hover { border-color: var(--accent); color: var(--text); }
.rate-btn.on { background: linear-gradient(135deg, rgba(91, 140, 255, .35), rgba(123, 91, 255, .35)); color: #fff; border-color: transparent; }
.rate-btn.sel { box-shadow: 0 0 0 2px var(--accent) inset; color: #fff; }
.crit-hint { margin: 7px 0 0; font-size: 11.5px; color: var(--muted); opacity: .85; }

/* Result */
.sticky { position: sticky; top: 86px; }
.result-title { font-size: 15px; margin: 0 0 10px; color: var(--muted); text-transform: none; letter-spacing: .5px; }
.result-panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.empty { color: var(--muted); text-align: center; padding: 40px 10px; font-size: 14px; }

.score-block { display: flex; align-items: center; gap: 16px; padding: 14px; border-radius: 12px; margin-bottom: 16px; border: 1px solid var(--line); }
.score-ring {
  width: 84px; height: 84px; border-radius: 50%; display: grid; place-items: center; flex: 0 0 84px;
  background: conic-gradient(currentColor calc(var(--p, 0) * 1%), rgba(255,255,255,.08) 0);
  position: relative;
}
.score-ring::before { content: ""; position: absolute; inset: 8px; background: var(--card); border-radius: 50%; }
.score-num { position: relative; font-size: 28px; font-weight: 800; line-height: 1; }
.score-max { position: relative; font-size: 11px; color: var(--muted); }
.score-verdict { flex: 1; }
.verdict-tag { display: inline-block; font-weight: 700; font-size: 15px; padding: 3px 12px; border-radius: 8px; margin-bottom: 6px; }
.verdict-advice { margin: 0; font-size: 13px; color: var(--text); }

.v-go { color: var(--good); }
.v-test { color: var(--accent); }
.v-careful { color: var(--mid); }
.v-stop { color: var(--bad); }
.verdict-tag.v-go { background: rgba(52, 211, 153, .15); }
.verdict-tag.v-test { background: rgba(91, 140, 255, .15); }
.verdict-tag.v-careful { background: rgba(251, 191, 36, .15); }
.verdict-tag.v-stop { background: rgba(248, 113, 113, .15); }

/* Bars */
.bars { margin-bottom: 16px; }
.bar-row { margin: 9px 0; }
.bar-top { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 4px; }
.bar-name { color: var(--text); }
.bar-score { color: var(--muted); font-variant-numeric: tabular-nums; }
.bar-track { height: 8px; background: var(--card-2); border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 6px; transition: width .3s ease; background: var(--accent); }
.bar-fill.good { background: linear-gradient(90deg, #34d399, #10b981); }
.bar-fill.mid { background: linear-gradient(90deg, #fbbf24, #f59e0b); }
.bar-fill.bad { background: linear-gradient(90deg, #f87171, #ef4444); }

/* Sections */
.rsec, .asec { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 4px; }
.rsec h4, .asec h4 { margin: 0 0 8px; font-size: 14px; }
.risk-list, .act-list { margin: 0; padding-left: 0; list-style: none; }
.risk-list li, .act-list li { font-size: 13px; margin: 7px 0; color: var(--text); line-height: 1.5; }
.sev { font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 6px; margin-right: 4px; }
.sev-1 { background: rgba(248, 113, 113, .2); color: var(--bad); }
.sev-2 { background: rgba(251, 191, 36, .2); color: var(--mid); }
.act-dim { font-size: 11px; font-weight: 700; color: var(--accent); background: rgba(91, 140, 255, .12); padding: 1px 7px; border-radius: 6px; margin-right: 4px; }

.result-ops { display: flex; gap: 10px; margin-top: 16px; }
.result-ops .btn { flex: 1; }

/* Saved */
.saved-section { padding-bottom: 40px; }
.saved-head h2 { font-size: 18px; margin: 0 0 4px; }
.saved-box { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.saved-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: 11px; padding: 12px 16px;
}
.saved-left { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; min-width: 0; }
.saved-name { font-weight: 600; font-size: 14px; }
.saved-cat { font-size: 11px; color: var(--muted); background: var(--card-2); padding: 2px 8px; border-radius: 6px; }
.saved-ts { font-size: 11px; color: var(--muted); }
.saved-right { display: flex; align-items: center; gap: 12px; }
.saved-score { font-size: 20px; font-weight: 800; font-variant-numeric: tabular-nums; }
.saved-level { font-size: 12px; font-weight: 600; }
.saved-del { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 14px; padding: 4px; }
.saved-del:hover { color: var(--bad); }

/* Footer */
.site-foot { padding: 24px 18px 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.site-foot p { margin: 4px 0; }

.muted { color: var(--muted); }
.small { font-size: 12px; }

/* Responsive */
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .col-result { order: -1; }
  .sticky { position: static; }
  .result-panel { padding: 16px; }
}
@media (max-width: 560px) {
  .head-inner { padding: 12px 16px; }
  .site-head h1 { font-size: 18px; }
  .tagline { font-size: 12px; }
  .logo { width: 44px; height: 44px; font-size: 26px; }
  .product-meta { flex-direction: column; }
  .field-sm { flex: 1; }
  .rate-btn { height: 44px; }
  .score-ring { width: 72px; height: 72px; flex-basis: 72px; }
  .score-num { font-size: 24px; }
}