:root{--bg:#f6f7fb;--fg:#111;--muted:#6b7280;--brand:#3062c8;--card:#fff;--br:12px}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--fg)}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:#fff;border-bottom:1px solid #e5e7eb}
.topbar .brand a{text-decoration:none;color:var(--fg);font-weight:700}
.topbar nav a{margin-left:12px;text-decoration:none;color:var(--brand)}
.container{max-width:920px;margin:24px auto;padding:0 12px}
.btn{background:var(--brand);color:#fff;border:0;border-radius:10px;padding:10px 14px;text-decoration:none;display:inline-block}
.card{background:var(--card);border:1px solid #e5e7eb;border-radius:var(--br);padding:12px}
.form{display:grid;gap:10px;max-width:360px}
label{display:grid;gap:6px;font-size:.95rem;color:#333}
input{padding:10px;border:1px solid #d1d5db;border-radius:8px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;list-style:none;padding:0}
.flashes{list-style:none;padding:0;margin:0 0 12px 0}
.flash{padding:10px;border-radius:8px;margin-bottom:8px}
.flash.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.footer{opacity:.7;text-align:center;padding:24px}