:root{--bg:#f7f8fc;--surface:#fff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--primary:#4f46e5;--primary-hover:#4338ca;--on-primary:#fff;--accent:#7c3aed;--danger:#dc2626;--success:#16a34a;--radius:16px;--shadow:0 10px 30px -12px #0f172a2e;--font:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#0b1020;--surface:#131a2e;--text:#e8ecf8;--muted:#94a3b8;--border:#232c47;--primary:#818cf8;--primary-hover:#a5b4fc;--on-primary:#0b1020;--accent:#c084fc;--danger:#f87171;--success:#4ade80;--shadow:0 10px 30px -12px #0009}}*,:before,:after{box-sizing:border-box}body{min-height:100vh;font-family:var(--font);color:var(--text);-webkit-font-smoothing:antialiased;background-color:var(--bg);background-image:radial-gradient(60rem 30rem at 50% -10%, color-mix(in srgb, var(--primary) 18%, transparent), transparent);margin:0;line-height:1.6}h1{letter-spacing:-.02em;margin:0 0 .5rem;font-size:clamp(2rem,5vw,3.25rem);line-height:1.15}h2{margin:0 0 .5rem;font-size:1.25rem}h3{margin:.75rem 0 .25rem;font-size:1.05rem}a{color:var(--primary)}.container{max-width:960px;margin:0 auto;padding:0 1.25rem}.header{justify-content:space-between;align-items:center;padding:1.5rem 0;display:flex}.nav{gap:.5rem;display:flex}.brand{letter-spacing:-.02em;font-size:1.25rem;font-weight:800}.center{text-align:center}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem}button,.btn{font:inherit;cursor:pointer;background:var(--primary);color:var(--on-primary);border:0;border-radius:12px;justify-content:center;align-items:center;padding:.75rem 1.25rem;font-weight:600;text-decoration:none;transition:background .2s,transform .1s;display:inline-flex}button:hover:not(:disabled),.btn:hover{background:var(--primary-hover)}button:active:not(:disabled){transform:scale(.98)}button:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{color:var(--text);border:1px solid var(--border);background:0 0}.btn-secondary:hover{background:var(--surface)}form,.auth{max-width:440px;margin:3rem auto}form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);gap:1rem;padding:2rem;display:grid}.auth form{box-shadow:none;background:0 0;border:0;margin:1rem 0 0;padding:0}form h1,.auth h1{font-size:1.6rem}form div{gap:.35rem;display:grid}label{font-size:.875rem;font-weight:600}input{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);font:inherit;border-radius:12px;padding:.75rem 1rem;transition:border-color .2s,box-shadow .2s}input:focus{border-color:var(--primary);box-shadow:0 0 0 4px color-mix(in srgb, var(--primary) 20%, transparent);outline:none}form p{color:var(--danger);margin:0;font-size:.875rem}form p[role=status]{color:var(--success)}form button{width:100%}ul{color:var(--muted);gap:.25rem;margin:0;padding:0;font-size:.875rem;list-style:none;display:grid}.hero{text-align:center;padding:3rem 0 2rem}.hero h1{background:linear-gradient(135deg, var(--primary), var(--accent));color:#0000;-webkit-background-clip:text;background-clip:text}.lead{color:var(--muted);max-width:36rem;margin:1rem auto 0;font-size:1.15rem}.actions{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem;margin:2rem 0;display:grid}.action{color:inherit;text-decoration:none;transition:transform .2s,border-color .2s;display:block}.action:hover{border-color:var(--primary);transform:translateY(-4px)}.action p,.steps p{color:var(--muted);margin:0}.steps{margin-top:4rem}.steps ol{color:var(--text);grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin:0;padding:0;font-size:1rem;list-style:none;display:grid}.step-number{width:2rem;height:2rem;color:var(--primary);background:color-mix(in srgb, var(--primary) 15%, transparent);border-radius:50%;place-items:center;font-weight:700;display:grid}.note{text-align:center;color:var(--muted);margin:2rem 0 3rem;font-size:.9rem}.dashboard{grid-template-columns:240px 1fr;min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--border);background:var(--surface);padding:1.5rem 1rem}.sidebar nav{gap:.25rem;margin-top:1.5rem;display:grid}.sidebar a{color:var(--muted);border-radius:12px;padding:.65rem .9rem;font-weight:600;text-decoration:none}.sidebar a:hover{background:var(--bg);color:var(--text)}.sidebar a.active{background:color-mix(in srgb, var(--primary) 15%, transparent);color:var(--primary)}.topbar{border-bottom:1px solid var(--border);justify-content:flex-end;align-items:center;gap:1rem;padding:1rem 1.5rem;display:flex}.content{padding:1.5rem}.content section{margin-top:2rem}@media (width<=760px){.dashboard{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--border)}.sidebar nav{display:flex;overflow-x:auto}}