:root {
  --admin-bg: #eef2f7;
  --admin-sidebar: #0f2744;
  --admin-accent: #1e6fa8;
  --admin-text: #243447;
  --admin-muted: #6b7c93;
  --admin-card: #ffffff;
  --admin-danger: #c0392b;
  --admin-ok: #1e8449;
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--admin-bg);
  color: var(--admin-text);
}
a { color: var(--admin-accent); }

.admin-auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: linear-gradient(135deg, #0a2744, #1a4d73);
}
.auth-card {
  width: min(420px, 100%);
  background: var(--admin-card);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.auth-card h1 { margin: 0 0 0.25rem; font-size: 1.4rem; }
.auth-card p { color: var(--admin-muted); margin-top: 0; }
.auth-badge {
  display: inline-block;
  background: #e8f4fc;
  color: var(--admin-accent);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

label { display: block; font-weight: 600; font-size: 0.9rem; margin: 1rem 0 0.35rem; }
input[type="text"], input[type="password"], input[type="email"], input[type="url"], input[type="date"], textarea, select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid #cfd8e3;
  border-radius: 8px;
  font: inherit;
}
textarea { min-height: 120px; resize: vertical; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.1rem;
  border-radius: 8px;
  border: 0;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  font: inherit;
}
.btn-primary { background: var(--admin-accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; color: var(--admin-text); border: 1px solid #cfd8e3; }
.btn-danger { background: var(--admin-danger); color: #fff; }
.btn-block { width: 100%; margin-top: 1.25rem; }

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin: 1rem 0 0;
  font-size: 0.9rem;
}
.alert-error { background: #fdecea; color: var(--admin-danger); }
.alert-success { background: #e9f7ef; color: var(--admin-ok); }
.alert-info { background: #e8f4fc; color: var(--admin-accent); }

.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
.admin-sidebar {
  background: var(--admin-sidebar);
  color: #fff;
  padding: 1.5rem 1rem;
}
.admin-sidebar h2 {
  font-size: 1rem;
  margin: 0 0 0.25rem;
}
.admin-sidebar small { opacity: 0.7; }
.admin-nav { list-style: none; padding: 0; margin: 2rem 0; }
.admin-nav a {
  display: block;
  padding: 0.55rem 0.75rem;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.92rem;
}
.admin-nav a:hover, .admin-nav a.is-active {
  background: rgba(255,255,255,0.12);
  color: #fff;
  text-decoration: none;
}
.admin-main { padding: 1.5rem 2rem 3rem; }
.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.admin-topbar h1 { margin: 0; font-size: 1.5rem; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.section-card {
  background: var(--admin-card);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: 0 4px 20px rgba(15,39,68,0.06);
}
.section-card h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.section-card p { margin: 0 0 1rem; color: var(--admin-muted); font-size: 0.88rem; }

.panel {
  background: var(--admin-card);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 20px rgba(15,39,68,0.06);
  max-width: 900px;
}
.panel h2 { margin-top: 0; }
.form-row { margin-bottom: 1rem; }
.form-hint { font-size: 0.82rem; color: var(--admin-muted); margin-top: 0.25rem; }
.repeater-item {
  border: 1px dashed #cfd8e3;
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
}
.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

@media (max-width: 800px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { padding-bottom: 0; }
}