:root {
  color-scheme: dark;
  --bg: #111318;
  --card: #1a1d24;
  --card-2: #20242d;
  --line: #303541;
  --text: #f4f7fb;
  --muted: #9da5b4;
  --primary: #3b82f6;
  --primary-2: #2563eb;
  --good: #55c866;
  --bad: #ef5d68;
  --warning: #f1b84b;
  --radius: 16px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); min-height: 100vh; }
button, input { font: inherit; }
button { cursor: pointer; }

.shell { width: min(1100px, 100%); margin: 0 auto; padding: 24px 18px 48px; }
.brandbar { display:flex; align-items:center; justify-content:space-between; gap:16px; margin: 4px 0 24px; }
.brandbar h1 { margin:0; display:flex; align-items:center; gap:10px; font-size:26px; letter-spacing:-.4px; }
.brandbar p { margin:5px 0 0 26px; color:var(--muted); text-transform:uppercase; letter-spacing:1.5px; font-size:12px; }
.brandmark { width:15px; height:15px; background:var(--primary); display:inline-block; border-radius:3px; transform:rotate(45deg); }
.private-badge { border:1px solid var(--line); color:var(--muted); padding:7px 10px; border-radius:999px; font-size:12px; }

.tabs { display:grid; grid-template-columns:1fr 1fr; background:var(--card); border:1px solid var(--line); padding:5px; border-radius:14px; margin-bottom:26px; }
.tab { border:0; color:var(--muted); background:transparent; border-radius:10px; padding:12px 10px; font-weight:650; }
.tab.active { background:var(--primary); color:white; }
.panel { display:none; }
.panel.active { display:block; }
.layout { display:grid; grid-template-columns:minmax(0, 1.45fr) minmax(320px, .85fr); gap:26px; align-items:start; }
.form-column { display:grid; gap:18px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:var(--radius); box-shadow:0 14px 34px rgba(0,0,0,.18); overflow:hidden; }
.card-title { color:#6ea2ff; font-size:16px; font-weight:700; padding:17px 20px; border-bottom:1px solid var(--line); }
.card-title.no-border { border:0; padding:0; }
.fields { padding:18px 20px 20px; display:grid; gap:16px; }
.two-col { grid-template-columns:1fr 1fr; }
.full { grid-column:1 / -1; }
.field { display:grid; gap:7px; }
.field span { color:#d7dce6; font-size:13px; font-weight:600; }
.field small { color:var(--muted); font-size:11px; line-height:1.35; }
input { width:100%; color:var(--text); background:#12151b; border:1px solid var(--line); border-radius:10px; padding:12px 12px; outline:none; transition:.15s border-color, .15s box-shadow; }
input:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(59,130,246,.16); }
input.invalid { border-color:var(--bad); }
.actions { display:grid; grid-template-columns:1.7fr repeat(3, 1fr); gap:10px; }
.button { border:1px solid var(--line); background:var(--card-2); color:var(--text); border-radius:11px; padding:12px 14px; font-weight:700; }
.button:hover { border-color:#4a5261; }
.button.primary { background:var(--primary); border-color:var(--primary); }
.button.primary:hover { background:var(--primary-2); }
.button.danger { color:#ff8c95; }

.results { position:sticky; top:18px; }
.results-hero { padding:24px 24px 22px; background:rgba(255,255,255,.018); border-bottom:1px solid var(--line); }
.eyebrow { color:var(--muted); text-transform:uppercase; letter-spacing:1.4px; font-size:12px; font-weight:800; margin-bottom:24px; }
.metric-label { color:var(--muted); font-size:14px; }
.big-metric { font-size:52px; font-weight:800; letter-spacing:-2px; margin-top:4px; }
.metric-grid { display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-top:22px; }
.medium-metric { font-size:23px; font-weight:800; margin-top:5px; }
.good { color:var(--good); }
.bad { color:var(--bad); }
.neutral { color:#c8ceda; }
.breakdown { padding:16px 24px 22px; }
.result-row { display:flex; justify-content:space-between; align-items:flex-start; gap:20px; border-bottom:1px solid rgba(255,255,255,.07); padding:14px 0; }
.result-row span { color:var(--muted); font-size:13px; line-height:1.35; }
.result-row strong { white-space:nowrap; font-size:14px; }
.result-row.no-border { border:0; padding:0; }
.recommended { margin-top:17px; padding-top:2px; }
.recommended .result-row span, .recommended .result-row strong { color:#4f86ff; font-weight:800; }
.recommended p, .tax-note { color:var(--muted); font-size:11px; line-height:1.45; margin:8px 0 0; }
.warning { margin:0 24px 18px; background:rgba(239,93,104,.1); border:1px solid rgba(239,93,104,.45); color:#ff9fa6; padding:12px 14px; border-radius:10px; font-size:12px; line-height:1.45; }
.tax-note { margin:0; padding:0 24px 22px; }

.recent-header { display:flex; align-items:center; justify-content:space-between; gap:18px; padding:20px; border-bottom:1px solid var(--line); }
.recent-header p { color:var(--muted); margin:6px 0 0; font-size:12px; }
.recent-list { padding:12px; display:grid; gap:10px; }
.recent-empty { color:var(--muted); text-align:center; padding:48px 16px; }
.saved-item { background:#14171d; border:1px solid var(--line); border-radius:12px; padding:15px; display:grid; grid-template-columns:1fr auto; gap:12px; align-items:center; }
.saved-item h3 { margin:0 0 5px; font-size:15px; }
.saved-item p { margin:0; color:var(--muted); font-size:12px; }
.saved-actions { display:flex; gap:8px; }
.saved-actions .button { padding:8px 10px; font-size:12px; }

.toast { position:fixed; right:18px; bottom:18px; opacity:0; transform:translateY(10px); pointer-events:none; background:#252a34; border:1px solid var(--line); color:var(--text); padding:11px 14px; border-radius:10px; box-shadow:0 16px 35px rgba(0,0,0,.35); transition:.2s; font-size:13px; }
.toast.show { opacity:1; transform:translateY(0); }

@media (max-width: 820px) {
  .layout { grid-template-columns:1fr; }
  .results { position:static; }
}
@media (max-width: 560px) {
  .shell { padding:18px 13px 36px; }
  .brandbar { align-items:flex-start; }
  .private-badge { display:none; }
  .two-col { grid-template-columns:1fr; }
  .full { grid-column:auto; }
  .actions { grid-template-columns:1fr 1fr; }
  .big-metric { font-size:45px; }
  .saved-item { grid-template-columns:1fr; }
  .saved-actions { justify-content:flex-end; }
}

@media print {
  body { background:white; color:#111; }
  .brandbar, .tabs, .form-column, .private-badge, .tax-note, .warning { display:none !important; }
  .shell { width:100%; padding:0; }
  .layout { display:block; }
  .results { position:static; border:1px solid #bbb; box-shadow:none; background:white; }
  .results-hero, .breakdown { background:white; }
  .result-row span, .metric-label, .eyebrow, .recommended p { color:#555; }
  .big-metric, .medium-metric, .result-row strong { color:#111 !important; }
}