:root {
  color-scheme: light dark;
  --bg: #f6f5f3;
  --surface: #ffffff;
  --text: #1c1a17;
  --muted: #6b6459;
  --border: #e0dbd3;
  --accent: #c8622f;
  --accent-contrast: #ffffff;
  --danger: #b3261e;
  --danger-bg: #fdecea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17150f;
    --surface: #221f19;
    --text: #f2ede4;
    --muted: #a49a8b;
    --border: #353026;
    --accent: #e0824a;
    --accent-contrast: #1c1a17;
    --danger: #f2b8b5;
    --danger-bg: #3a1b18;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: grid;
  place-items: center;
  padding: 24px;
}

.shell { width: 100%; max-width: 27rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.04), 0 12px 32px -12px rgb(0 0 0 / 0.12);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  text-decoration: none;
  color: inherit;
}
.brand-mark { font-size: 24px; }
.brand-name { font-weight: 650; letter-spacing: -0.01em; }

h1 { font-size: 1.4rem; margin: 0 0 6px; letter-spacing: -0.02em; }
.subtitle { color: var(--muted); margin: 0 0 24px; font-size: 0.925rem; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 0.875rem; font-weight: 550; margin-bottom: 6px; }

.field input, .field textarea, .field select {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  color: inherit;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 9px;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus-visible, .field textarea:focus-visible, .field select:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.row { display: grid; grid-template-columns: 2fr 1fr; gap: 12px; }

button, .btn {
  width: 100%;
  padding: 11px 16px;
  font: inherit;
  font-weight: 600;
  color: var(--accent-contrast);
  background: var(--accent);
  border: 1px solid transparent;
  border-radius: 9px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: block;
  transition: filter .15s;
}
button:hover, .btn:hover { filter: brightness(1.06); }

.btn-secondary {
  color: var(--text);
  background: transparent;
  border-color: var(--border);
  margin-top: 10px;
}

.checkbox { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; font-size: 0.9rem; }
.checkbox input { width: auto; }

.alert {
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: 9px;
  padding: 12px 14px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}
.alert ul { margin: 0; padding-left: 18px; }

.divider {
  display: flex; align-items: center; gap: 12px;
  margin: 22px 0; color: var(--muted); font-size: 0.8rem;
}
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.meta { margin-top: 22px; font-size: 0.9rem; color: var(--muted); text-align: center; }
.meta a { color: var(--accent); font-weight: 550; }

.footnote { margin-top: 20px; text-align: center; color: var(--muted); font-size: 0.8rem; }