:root { --accent: #a4262c; --accent-dark: #7f1d22; --bg: #f3f2f1; --text: #1b1a19; --muted: #605e5c; --border: #e1dfdd; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 "Segoe UI", system-ui, -apple-system, sans-serif; color: var(--text); background: var(--bg); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.topbar { background: var(--accent); color: #fff; padding: 14px 24px; display: flex; align-items: baseline; gap: 14px; }
.brand { font-weight: 600; font-size: 17px; }
.product { opacity: 0.85; }
main { max-width: 760px; margin: 32px auto; padding: 0 16px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 28px 32px; box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.06); }
h1 { margin: 0 0 10px; font-size: 26px; }
h2 { margin: 0 0 10px; font-size: 20px; }
.lead { margin: 0 0 24px; color: var(--muted); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
label { display: block; margin-bottom: 14px; font-size: 14px; color: var(--muted); }
input, textarea { display: block; width: 100%; margin-top: 5px; font: inherit; color: var(--text); padding: 9px 11px; border: 1px solid #8a8886; border-radius: 4px; background: #fff; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
textarea { resize: vertical; }
.error { color: var(--accent); min-height: 1.3em; margin: 0 0 6px; }
.actions { display: flex; justify-content: flex-end; }
.btn { font: inherit; font-weight: 600; padding: 10px 20px; border-radius: 4px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; }
.btn:hover { background: var(--accent-dark); }
.btn:disabled { opacity: 0.6; cursor: default; }
.ok { padding: 8px 0; }
.footer { text-align: center; margin-top: 20px; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } .card { padding: 20px; } }