:root { --bg: #f6f3ee; --card: #fff; --text: #2b2118; --muted: #7a6d60; --accent: #8a5a2b; --error: #b3261e; --line: #e4dccf; }
@media (prefers-color-scheme: dark) { :root { --bg: #1d1915; --card: #28221c; --text: #f1e9df; --muted: #b3a595; --accent: #d39b5f; --error: #ff8a80; --line: #3a322a; } }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: var(--bg); color: var(--text); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { width: 100%; max-width: 380px; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 28px 24px; display: grid; gap: 14px; }
h1 { margin: 0; font-size: 22px; }
.muted { margin: 0; color: var(--muted); font-size: 14px; }
.error { margin: 0; color: var(--error); font-size: 14px; }
label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
input { font: inherit; color: var(--text); background: transparent; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button { font: inherit; font-weight: 600; color: #fff; background: var(--accent); border: 0; border-radius: 8px; padding: 11px; cursor: pointer; }