:root{--bg:#0f1115;--surface:#181b22;--border:#262b34;--text:#e8eaed;--muted:#9aa3af;--accent:#6366f1}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.muted{color:var(--muted)}.page{min-height:100vh;display:flex;flex-direction:column}.header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--border)}.brand{font-weight:700;font-size:1.1rem}.nav{display:flex;align-items:center;gap:1.25rem}.container{width:100%;max-width:880px;margin:0 auto;padding:2rem 1.5rem;flex:1 1}.hero{padding:2rem 0 1rem}.hero h1{font-size:clamp(1.8rem,4vw,2.6rem);margin:0 0 .5rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1rem;gap:1rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.25rem 1.5rem;margin:1rem 0}.footer{padding:1.5rem;text-align:center;border-top:1px solid var(--border);font-size:.9rem}.button{background:var(--accent);color:white;border:none;border-radius:8px;padding:.7rem 1rem;font-size:1rem;cursor:pointer;width:100%}.button:hover{filter:brightness(1.1)}.link{background:none;border:none;color:var(--muted);cursor:pointer;font:inherit;padding:0}.link:hover{color:var(--text)}.center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem}.login{width:100%;max-width:360px;text-align:center}.login h1{margin:0 0 .25rem}.input{width:100%;padding:.7rem .9rem;margin:1rem 0 .5rem;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:1rem}.error{color:#f87171;font-size:.9rem;margin:.25rem 0}