:root {
  --admin-primary: #1b3a6b;
  --admin-accent: #d9a441;
  --admin-bg: #f4f6fa;
  --admin-border: #e1e5ec;
  --admin-text: #2b3245;
  --admin-danger: #c0392b;
  --admin-success: #1e8e5a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
}
a { text-decoration: none; color: inherit; }

/* ---------- Login page ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--admin-primary), #0f1f38);
}
.login-box {
  background: #fff;
  padding: 40px 36px;
  border-radius: 10px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.login-box h1 { font-size: 22px; margin-bottom: 4px; }
.login-box p.sub { color: #7a8393; margin-top: 0; margin-bottom: 24px; font-size: 14px;}

/* ---------- Layout ---------- */
.admin-layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  background: var(--admin-primary);
  color: #fff;
  padding: 24px 0;
  flex-shrink: 0;
}
.sidebar .brand { font-size: 18px; font-weight: 800; padding: 0 22px 24px; border-bottom: 1px solid rgba(255,255,255,0.1); margin-bottom: 12px;}
.sidebar nav a {
  display: block;
  padding: 12px 22px;
  color: #cfd8e8;
  font-size: 14px;
  font-weight: 600;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover, .sidebar nav a.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-left-color: var(--admin-accent);
}
.sidebar .divider { padding: 14px 22px 6px; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: #8fa0c2; }

.main-content { flex: 1; padding: 28px 36px; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.topbar h1 { font-size: 22px; margin: 0; }
.topbar .user-chip { font-size: 14px; color: #666; }
.topbar .user-chip a { color: var(--admin-danger); margin-left: 12px; font-weight: 600; }

/* ---------- Cards / dashboard ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 30px; }
.stat-card { background: #fff; border-radius: 8px; padding: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); border-top: 3px solid var(--admin-accent); }
.stat-card .num { font-size: 28px; font-weight: 800; color: var(--admin-primary); }
.stat-card .label { color: #7a8393; font-size: 13px; }

.card { background: #fff; border-radius: 8px; padding: 24px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); margin-bottom: 24px; }
.card h2 { margin-top: 0; font-size: 18px; }

/* ---------- Forms ---------- */
label { display: block; font-weight: 600; font-size: 13px; margin: 14px 0 6px; }
input[type=text], input[type=password], input[type=email], input[type=date], input[type=number], textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}
textarea { resize: vertical; min-height: 100px; }
.btn {
  display: inline-block;
  background: var(--admin-primary);
  color: #fff;
  border: none;
  padding: 11px 22px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
  margin-top: 18px;
}
.btn:hover { background: #142c52; }
.btn-secondary { background: #6b7488; }
.btn-danger { background: var(--admin-danger); }
.btn-sm { padding: 6px 12px; font-size: 12px; margin-top: 0; }

.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 18px; font-size: 14px; }
.alert-success { background: #e4f7ec; color: var(--admin-success); border: 1px solid #bfe9d3; }
.alert-error { background: #fdecea; color: var(--admin-danger); border: 1px solid #f6c6c1; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--admin-border); font-size: 14px; }
th { color: #7a8393; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.actions a { margin-right: 10px; font-weight: 600; font-size: 13px; }
.actions .edit { color: var(--admin-primary); }
.actions .delete { color: var(--admin-danger); }
.badge { padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.badge-active { background: #e4f7ec; color: var(--admin-success); }
.badge-inactive { background: #f1f1f1; color: #999; }

.top-actions { display: flex; justify-content: flex-end; margin-bottom: 16px; }