/* ====== ADMIN PANEL GLOBAL STYLES ====== */
:root {
  --bg: #f6f7f9;
  --fg: #111827;
  --primary: #111827;
  --danger: #dc2626;
  --muted: #6b7280;
  --card-bg: #ffffff;
  --border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  --transition: 0.15s ease-in-out;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

body {
  background: var(--bg);
  color: var(--fg);
  margin: 0;
  padding: 0;
}

.wrap {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 16px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 24px;
}

h1, h2, h3 {
  margin: 0 0 12px;
  font-weight: 600;
}

input, textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-sizing: border-box;
  font-size: 14px;
  margin-bottom: 12px;
}

button.btn {
  padding: 8px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  transition: background var(--transition);
}

button.btn:hover {
  background: #f3f4f6;
}

button.primary {
  background: var(--primary);
  color: #fff;
}

button.primary:hover {
  opacity: 0.9;
}

button.danger {
  background: #fee2e2;
  color: var(--danger);
  border-color: #fecaca;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: #fff;
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  margin-bottom: 24px;
}

.nav-links {
  display: flex;
  gap: 10px;
}

.nav-links a {
  color: var(--fg);
  text-decoration: none;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: var(--radius);
}

.nav-links a.active,
.nav-links a:hover {
  background: #f3f4f6;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  border: 1px solid var(--border);
  padding: 8px 10px;
}

th {
  background: #f3f4f6;
  text-align: left;
}

tr:nth-child(even) {
  background: #fafafa;
}

.error { color: var(--danger); }
.ok { color: #16a34a; }
.muted { color: var(--muted); font-size: 13px; }

.hidden { display: none; }