:root{color-scheme:light;font-family:Space Grotesk,Segoe UI,sans-serif;background-color:#f5f7fb;color:#101728;--ink: #101728;--muted: #5a6782;--panel: #ffffff;--accent: #1f6feb;--accent-dark: #154fb3;--accent-warm: #22c55e;--shadow: 0 24px 60px rgba(15, 23, 42, .12);--outline: #1f2937}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#eaf0ff,#f5f7fb 45%,#eef2f8)}a{color:inherit}#root{min-height:100vh}.page{display:flex;flex-direction:column;gap:48px;padding:32px 6vw 80px}.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}.skip-link:focus{position:static;width:auto;height:auto;padding:12px 18px;background:#111827;color:#fff;border-radius:999px}.hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px;align-items:center}.hero h1{font-size:clamp(2.2rem,3vw,3.4rem);margin:12px 0 16px}.eyebrow{text-transform:uppercase;letter-spacing:.2em;font-size:.7rem;color:var(--muted)}.lede{font-size:1.1rem;color:var(--muted);max-width:480px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;align-items:center}.session-pill{margin:0;border:1px solid #cbd5e1;border-radius:999px;padding:10px 14px;background:#fff;color:var(--ink);font-size:.9rem}.hero-card{background:linear-gradient(160deg,#0f172a,#1e293b);color:#e2e8f0;padding:28px;border-radius:24px;box-shadow:var(--shadow)}.auth-card{background:var(--panel);border-radius:24px;box-shadow:var(--shadow);padding:28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;align-items:center}.auth-actions{display:grid;gap:12px}.auth-status{margin:0;font-size:1rem;color:var(--ink)}.auth-form{max-width:360px}.auth-card .button.secondary{background:#fff;color:var(--ink);border:1px solid #cbd5e1}.stat-label{color:#94a3b8;font-size:.85rem}.stat-value{font-size:2.6rem;margin:8px 0 4px}.stat-caption{color:#cbd5f5;font-size:.85rem}.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:20px}.stat-title{color:#94a3b8;margin:0;font-size:.75rem;text-transform:uppercase}.stat-number{margin:6px 0 0;font-size:1.3rem}.section{display:flex;flex-direction:column;gap:24px}.section-header h2{margin:0 0 8px;font-size:1.8rem}.section-header p{margin:0;color:var(--muted);max-width:720px}.pill-grid{display:flex;flex-wrap:wrap;gap:12px}.pill-grid span{background:#e2e8f0;color:#0f172a;padding:8px 16px;border-radius:999px;font-size:.85rem}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.card{background:var(--panel);border-radius:20px;padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:16px}.card h3{margin:0 0 6px;font-size:1.3rem}.card p{margin:0;color:var(--muted)}.form{display:grid;gap:14px}label{display:grid;gap:6px;font-size:.9rem;color:var(--ink)}.checkbox{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--ink)}.checkbox input{width:18px;height:18px}input{border:1px solid #d6dbe8;border-radius:10px;padding:10px 12px;font-size:1rem;background:#fff}input:focus{outline:3px solid rgba(31,111,235,.3);border-color:var(--accent)}.helper{margin:0;font-size:.85rem;color:var(--muted)}.button{background:var(--accent);color:#fff;border:none;border-radius:999px;padding:12px 18px;font-size:.95rem;font-weight:600;cursor:pointer}.button:focus{outline:3px solid rgba(31,111,235,.4);outline-offset:2px}.button.secondary{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}.button.tertiary{background:transparent;color:var(--ink);border:1px solid #94a3b8}.button[disabled]{opacity:.65;cursor:not-allowed}.results{background:#f8fafc;border-radius:16px;padding:16px;min-height:72px}.results-grid{display:grid;gap:12px}.chart{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:12px;display:grid;gap:10px}.chart-title{margin:0;font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}.chart-bars{display:grid;gap:8px}.chart-bar{display:grid;gap:6px}.bar-fill{height:8px;border-radius:999px}.bar-label{display:flex;justify-content:space-between;font-size:.85rem;color:var(--ink)}.chart-line{width:100%;height:120px;fill:none;stroke:#1f6feb;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.chart-axis{display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted)}.result-label{font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.result-value{margin:4px 0 0;font-size:1.3rem;color:var(--ink)}.error{color:#b91c1c;margin:0}.notice{color:var(--muted);margin:0}.footer{text-align:center;color:var(--muted);font-size:.85rem}@media(max-width:720px){.page{padding:24px 6vw 64px}.hero-card{border-radius:20px}.stat-grid{grid-template-columns:1fr}}