:root {
  --bg:#0f1420; --panel:#171d2b; --panel-2:#1d2435; --border:#2a3247;
  --text:#e7ecf5; --muted:#8b96ad; --accent:#6366f1; --accent-2:#22d3ee;
  --up:#34d399; --down:#f87171; --warn:#f59e0b; --radius:14px;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Inter",system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
.topbar{position:sticky;top:0;background:rgba(15,20,32,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:20}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:700}
.brand-dot{width:12px;height:12px;border-radius:4px;background:linear-gradient(135deg,var(--accent),var(--accent-2))}
.topnav{display:flex;gap:22px}.topnav a{color:var(--muted);text-decoration:none;font-size:.9rem}.topnav a:hover{color:var(--text)}
main{padding:36px 20px 60px}
.page-head{margin-bottom:24px}
.tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-2);margin-bottom:8px}
h1{margin:0 0 8px;font-size:1.8rem;font-weight:800;letter-spacing:-.02em}
.lede{margin:0;color:var(--muted);max-width:660px;font-size:.98rem}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:820px){.two-col{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:24px}
.card h2{margin:0 0 16px;font-size:1.15rem;font-weight:700}
.hint{margin:0 0 16px;color:var(--muted);font-size:.85rem}
textarea{width:100%;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:14px;font-family:inherit;font-size:.95rem;margin-bottom:14px;resize:vertical}
textarea:focus{outline:2px solid var(--accent)}
.btn{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border:none;padding:12px 20px;border-radius:10px;font-weight:600;font-size:.95rem;cursor:pointer;transition:filter .2s}
.btn:hover{filter:brightness(1.08)}
.examples{margin-top:16px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.examples span{color:var(--muted);font-size:.82rem}
.chip{background:var(--panel-2);border:1px solid var(--border);color:var(--muted);border-radius:20px;padding:6px 12px;font-size:.8rem;cursor:pointer}
.chip:hover{color:var(--text);border-color:var(--accent)}
.meter{margin-bottom:10px}
.meter-bar{height:14px;background:var(--panel-2);border-radius:10px;overflow:hidden;position:relative}
.meter-fill{height:100%;width:50%;border-radius:10px;background:linear-gradient(90deg,var(--down),var(--warn),var(--up));transition:width .4s ease}
.meter-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:.72rem;margin-top:6px}
.verdict{font-size:1.25rem;font-weight:700;margin:14px 0}
.scores{display:flex;gap:10px}
.scores .score{flex:1;background:var(--panel-2);border-radius:8px;padding:10px;text-align:center}
.scores .score b{display:block;font-size:1.2rem}
.scores .score span{font-size:.72rem;color:var(--muted)}
.chart-wrap{position:relative;height:280px}
.footer{border-top:1px solid var(--border);padding:22px 0;color:var(--muted);font-size:.82rem}