:root{
  --bg:#0b1220;
  --panel:#121b2d;
  --panel-soft:#182338;
  --text:#e9eefc;
  --muted:#a8b4d6;
  --border:rgba(255,255,255,.10);
  --accent:#7aa2ff;
  --accent-2:#34d399;
  --warn:#ffd166;
  --good:#5cff9a;
  --bad:#ff6b6b;
  --shadow:0 12px 30px rgba(0,0,0,.32);
  --radius:18px;
  --radius-sm:14px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  --sans:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  line-height:1.4;
  background:
    radial-gradient(1200px 700px at 15% 0%, rgba(122,162,255,.16), transparent 60%),
    radial-gradient(900px 520px at 90% 8%, rgba(52,211,153,.10), transparent 55%),
    linear-gradient(180deg,#0b1220 0%,#0a1120 100%);
  min-height:100vh;
}
.hidden{display:none!important}
.container{max-width:1220px;margin:0 auto;padding:0 16px}
.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(12px);
  background:rgba(11,18,32,.8);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar-inner{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  padding-top:14px;padding-bottom:14px;
}
.brand{font-size:22px;font-weight:800}
.tagline{font-size:13px;color:var(--muted)}
.support-link{
  text-decoration:none;color:var(--text);
  border:1px solid var(--border);background:rgba(255,255,255,.04);
  padding:10px 12px;border-radius:12px;font-size:13px;font-weight:700
}
.app-shell{padding-top:22px;padding-bottom:40px}
.card,.tool-panel{
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero{
  padding:22px;display:grid;grid-template-columns:1.2fr .8fr;gap:16px;margin-bottom:18px
}
.eyebrow{
  display:inline-flex;padding:8px 12px;border-radius:999px;
  border:1px solid rgba(122,162,255,.28);
  background:rgba(122,162,255,.10);
  color:#dbe5ff;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;
}
h1{margin:14px 0 8px;font-size:clamp(28px,4vw,40px);line-height:1.05}
h2{margin:0 0 6px}
h3{margin:0}
.hero-text{margin:0;color:var(--muted);max-width:760px}
.overview-card{padding:18px}
.overview-list{display:grid;gap:10px}
.overview-list div{
  padding:12px 14px;border-radius:14px;border:1px solid var(--border);background:rgba(255,255,255,.03)
}
.overview-list strong{display:block;font-size:14px;margin-bottom:2px}
.overview-list span{display:block;color:var(--muted);font-size:12px}
.tool-nav{
  display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0 0 18px
}
.tool-tab{
  appearance:none;border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--text);
  cursor:pointer;border-radius:16px;padding:14px 14px;font:inherit;font-weight:800;min-height:60px
}
.tool-tab.active{
  background:linear-gradient(180deg, rgba(52,211,153,.20), rgba(52,211,153,.08));
  border-color:rgba(52,211,153,.35);
  box-shadow:0 0 0 4px rgba(52,211,153,.08)
}
.tool-panel{display:none;padding:18px}
.tool-panel.active{display:block}
.panel-header{
  display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:14px
}
.panel-header p{margin:6px 0 0;color:var(--muted);font-size:13px}
.badge{
  font-size:12px;padding:8px 10px;border-radius:999px;
  border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--muted);font-family:var(--mono)
}
.tool-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:16px}
.card-title{
  display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;
  padding:14px 16px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.03)
}
.card-body{padding:16px}
.hint{font-size:12px;color:var(--muted);font-family:var(--mono)}
label{display:block;font-size:12px;color:var(--muted);margin:0 0 6px}
.inline-label{display:inline;margin-right:6px}
input,select,button,textarea{font:inherit}
input,select,textarea{
  width:100%;border-radius:12px;border:1px solid rgba(255,255,255,.14);
  background:rgba(8,14,28,.55);color:var(--text);padding:11px 11px;font-size:14px;outline:none
}
input:focus,select:focus,textarea:focus{
  border-color:rgba(122,162,255,.55);
  box-shadow:0 0 0 4px rgba(122,162,255,.12)
}
.compact-select{width:auto;padding:8px 10px;display:inline-block}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.form-row:first-child{margin-top:0}
.button-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:14px}
.primary-btn,.secondary-btn,.success-btn,.seg-btn,.toggle-btn{
  border:1px solid rgba(255,255,255,.14);color:var(--text);cursor:pointer;border-radius:12px;
  padding:11px 14px;background:rgba(255,255,255,.05);font-weight:800
}
.primary-btn{background:linear-gradient(180deg, rgba(122,162,255,.30), rgba(122,162,255,.14));border-color:rgba(122,162,255,.45)}
.success-btn{background:linear-gradient(180deg, rgba(92,255,154,.18), rgba(92,255,154,.07));border-color:rgba(92,255,154,.28)}
.secondary-btn{background:rgba(255,255,255,.05)}
.seg-btn{flex:1;background:transparent;color:var(--muted)}
.segmented{
  display:flex;gap:8px;padding:6px;border:1px solid var(--border);border-radius:14px;background:rgba(255,255,255,.03)
}
.seg-btn.active{
  background:rgba(122,162,255,.18);color:#dbe5ff;border:1px solid rgba(122,162,255,.35)
}
.sub-card,.notice,.stat-card,.result-block,.result-box,.timeline,.product-item,.result-status{
  border:1px solid var(--border);border-radius:16px;background:rgba(255,255,255,.03)
}
.sub-card{padding:14px;margin-top:14px}
.sub-card-title{font-size:14px;font-weight:800;margin-bottom:8px;color:#dbe5ff}
.notice{padding:14px;font-size:13px;margin-top:14px}
.notice.warn{background:rgba(255,209,102,.06);border-color:rgba(255,209,102,.25)}
.notice.info{background:rgba(122,162,255,.08);border-color:rgba(122,162,255,.22)}
.notice-title{font-weight:800;margin-bottom:6px}
.help,.footer-note{font-size:12px;color:var(--muted)}
.mono{font-family:var(--mono)}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat-card{padding:12px;background:rgba(0,0,0,.12)}
.stat-label{color:var(--muted);font-size:12px;margin-bottom:6px}
.stat-value{font-size:16px;font-weight:800;word-break:break-word}
.result-block{padding:12px;margin-top:12px}
.timeline{margin-top:12px;padding:10px 12px;max-height:420px;overflow:auto;background:rgba(0,0,0,.10)}
.timeline-line{
  display:grid;grid-template-columns:165px 1fr;gap:12px;padding:10px 8px;border-bottom:1px dashed rgba(255,255,255,.10)
}
.timeline-line:last-child{border-bottom:none}
.timeline-time{color:#dbe5ff;font-weight:700;font-family:var(--mono);font-size:12px}
.timeline-desc{color:var(--text);font-size:13px}
.helper-list{margin:8px 0 0;padding-left:18px;color:var(--text);font-size:13px}
.pill{
  display:inline-flex;gap:8px;align-items:center;
  padding:9px 10px;border-radius:999px;border:1px solid var(--border);background:rgba(255,255,255,.04);font-size:12px;color:var(--muted)
}
.pill input{width:auto;margin:0}
.toggle-btn{
  display:inline-flex;align-items:center;gap:10px;border-radius:999px;background:rgba(255,255,255,.05);color:var(--muted)
}
.toggle-btn .dot{
  width:10px;height:10px;border-radius:999px;background:rgba(255,255,255,.25);box-shadow:0 0 0 4px rgba(255,255,255,.08)
}
.toggle-btn.on{
  color:rgba(92,255,154,.95);border-color:rgba(92,255,154,.35);
  background:linear-gradient(180deg, rgba(92,255,154,.14), rgba(92,255,154,.06))
}
.toggle-btn.on .dot{background:rgba(92,255,154,.95);box-shadow:0 0 0 4px rgba(92,255,154,.12)}
.checkbox-label{display:flex;gap:10px;align-items:flex-start;color:var(--text);font-size:13px;font-weight:700}
.checkbox-label input{width:auto;margin-top:2px}
.triple-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px}
.stack{display:grid;gap:14px}
.product-item{padding:16px}
.product-item-header{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:14px}
.product-item-title{font-size:14px;font-weight:800;color:#dbe5ff}
.product-item-note{font-size:12px;color:var(--muted);margin-top:6px}
.remove-btn{
  appearance:none;border:1px solid rgba(255,107,107,.30);background:rgba(255,107,107,.10);color:rgba(255,107,107,.98);
  font-weight:800;border-radius:12px;min-height:40px;padding:0 12px;cursor:pointer
}
.error-banner{
  display:none;margin-bottom:16px;padding:14px 16px;border-radius:14px;border:1px solid rgba(255,107,107,.30);
  background:rgba(255,107,107,.08);color:rgba(255,107,107,.98);font-size:13px;font-weight:700
}
.error-text{display:none;color:rgba(255,107,107,.98);font-size:12px;font-weight:700}
.field-error{border-color:rgba(255,107,107,.60)!important;box-shadow:0 0 0 4px rgba(255,107,107,.10)!important}
.result-box{padding:12px;background:rgba(0,0,0,.10);min-height:280px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.chip{
  display:inline-block;padding:8px 10px;border-radius:999px;font-size:11px;
  border:1px solid var(--border);color:var(--muted);font-family:var(--mono)
}
.chip.good{border-color:rgba(92,255,154,.35);color:rgba(92,255,154,.95);background:rgba(92,255,154,.06)}
.chip.warn{border-color:rgba(255,209,102,.35);color:rgba(255,209,102,.95);background:rgba(255,209,102,.06)}
.chip.bad{border-color:rgba(255,107,107,.35);color:rgba(255,107,107,.95);background:rgba(255,107,107,.06)}
.result-output{
  white-space:pre-wrap;word-break:break-word;font-family:var(--mono);font-size:12px;line-height:1.55;margin:0;color:var(--text)
}
.placeholder{color:var(--muted);font-size:13px}
.result-status{padding:18px}
.result-status-title{font-size:20px;font-weight:900;margin-bottom:8px}
.result-status-text{font-size:14px;line-height:1.5;color:#cbd5e1}
.result-status.good{border-color:rgba(34,197,94,.45);background:rgba(34,197,94,.08)}
.result-status.warn{border-color:rgba(245,158,11,.45);background:rgba(245,158,11,.08)}
.result-status.bad{border-color:rgba(239,68,68,.45);background:rgba(239,68,68,.08)}
.result-status.neutral{background:#0f172a}
.scenario-card{
  border:1px solid var(--border);background:#0f172a;border-radius:16px;padding:16px
}
.scenario-card.best{border-color:rgba(56,189,248,.55);box-shadow:inset 0 0 0 1px rgba(56,189,248,.18)}
.scenario-header{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.scenario-title{font-size:18px;font-weight:900}
.status-pill{
  font-size:12px;font-weight:800;text-transform:uppercase;padding:7px 10px;border-radius:999px;letter-spacing:.04em
}
.status-pill.good{background:rgba(34,197,94,.15);color:#86efac;border:1px solid rgba(34,197,94,.35)}
.status-pill.warn{background:rgba(245,158,11,.15);color:#fcd34d;border:1px solid rgba(245,158,11,.35)}
.status-pill.bad{background:rgba(239,68,68,.15);color:#fca5a5;border:1px solid rgba(239,68,68,.35)}
.toggle-row{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 12px}
.toggle-chip{
  background:#111827;color:#cbd5e1;border:1px solid #475569;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700;cursor:pointer
}
.toggle-chip.active{background:rgba(56,189,248,.14);color:#7dd3fc;border-color:rgba(56,189,248,.45)}
@media (max-width:1100px){
  .hero,.tool-grid{grid-template-columns:1fr}
  .tool-nav{grid-template-columns:repeat(2,1fr)}
  .triple-grid{grid-template-columns:1fr}
}
@media (max-width:720px){
  .container{padding:0 12px}
  .tool-nav{grid-template-columns:1fr}
  .form-row,.stats-grid{grid-template-columns:1fr}
  .timeline-line{grid-template-columns:1fr}
  .product-item-header{flex-direction:column;align-items:stretch}
  .support-link{width:100%;text-align:center}
  
}
.logo {
  height: 140px;
  width: auto;
  display: block;
}

.brand {
  display: flex;
  align-items: center;
}