:root{--bg:#0b1220;--card:#0f172a;--line:#1f2937;--text:#e5e7eb;--muted:#94a3b8;--accent:#60a5fa}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.wrap{max-width:720px;margin:24px auto;padding:0 14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin:12px 0}
h1{margin:0 0 10px 0;font-size:22px}
h2{margin:0 0 8px 0;font-size:18px}
label{display:block;margin:8px 0 4px}
input[type="text"],input[type="email"],input[type="week"],input[type="number"]{
  width:100%;background:var(--bg);color:var(--text);
  border:1px solid #334155;border-radius:10px;padding:10px
}
.muted{color:var(--muted);font-size:14px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.stack{display:grid;gap:8px;margin-top:12px}
.btn{background:var(--bg);color:var(--text);border:1px solid #334155;border-radius:10px;padding:12px 14px;cursor:pointer}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.badge{display:inline-block;border:1px solid #334155;border-radius:999px;padding:4px 10px;font-size:12px}
.ok{color:#bbf7d0;border-color:#10b981}
.err{color:#fecaca;border-color:#ef4444}
.day-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.day-meta{font-size:13px;color:var(--muted)}
.grid-2{display:grid;grid-template-columns:1fr;gap:8px}
@media (min-width:520px){ .grid-2{grid-template-columns:1fr 1fr} }
.meal-row{display:flex;gap:10px;align-items:flex-start;margin-top:6px}
.meal-row input{width:18px;height:18px;margin-top:2px}
.meta-row{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.preview-frame{width:100%;height:420px;border:1px solid #334155;border-radius:10px;background:#fff}