:root {
  --bg: #fff8fb;
  --card: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --line: #ecdbe5;
  --primary: #f8c8dc;
  --primary-dark: #e6a9c3;
  --danger: #b42318;
  --success: #027a48;
  --shadow: 0 18px 48px rgba(31, 36, 48, 0.08);
  --radius: 18px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, #fff8fb 0%, #fff 100%);
  color: var(--text);
}
.shell { max-width: 1180px; margin: 0 auto; padding: 24px; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; margin-bottom: 28px; padding: 16px 20px;
  background: rgba(255,255,255,.85); backdrop-filter: blur(10px);
  border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow);
}
.topbar nav { display: flex; gap: 14px; flex-wrap: wrap; }
.topbar a { color: var(--text); text-decoration: none; font-weight: 600; }
.brand { font-size: 1.1rem; }
.center-card, .card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 24px;
}
.center-card { max-width: 520px; margin: 60px auto; }
.auth-card h1, .card h1 { margin-top: 0; }
.form-grid { display: grid; gap: 16px; }
label { display: grid; gap: 8px; font-weight: 600; }
input, select {
  width: 100%; padding: 12px 14px; border: 1px solid #d8c4cf; border-radius: 12px;
  font-size: 1rem; background: #fff;
}
button, .button-link {
  display: inline-block; border: 0; background: var(--primary); color: #111827;
  padding: 12px 16px; border-radius: 12px; font-weight: 700; cursor: pointer;
  text-decoration: none;
}
.button-link.secondary { background: #f3f4f6; }
button:hover, .button-link:hover { background: var(--primary-dark); }
.page-grid { display: grid; gap: 20px; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px; }
.stat { background: #fff7fa; border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.stat span { display: block; font-size: 1.8rem; font-weight: 700; }
.stat small { color: var(--muted); }
.alert { border-radius: 12px; padding: 12px 14px; margin-bottom: 16px; }
.alert.error { background: #fef3f2; color: var(--danger); border: 1px solid #fecdca; }
.alert.success { background: #ecfdf3; color: var(--success); border: 1px solid #abefc6; }
.muted { color: var(--muted); }
.kv { display: grid; gap: 10px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px; border-bottom: 1px solid var(--line); }
th { background: #fff7fa; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
code { background: #fff1f7; padding: 2px 6px; border-radius: 8px; }
ul { padding-left: 18px; }
@media (max-width: 768px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .shell { padding: 16px; }
}