* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: #f8fafc;
  color: #1e293b;
  font-size: 15px;
}

/* Layout Admin */
.admin-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Sidebar Menu */
.sidebar {
  background: #0f172a;
  color: #fff;
  padding: 15px;
}

.sidebar h3 {
  text-align: center;
  margin-bottom: 15px;
  color: #38bdf8;
}

.sidebar ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.sidebar ul li a {
  display: block;
  padding: 10px 12px;
  background: #1e293b;
  color: #e2e8f0;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
}

.sidebar ul li a.active,
.sidebar ul li a:hover {
  background: #0284c7;
  color: #fff;
}

/* Konten Utama */
.main-content {
  padding: 15px;
  flex: 1;
}

.content-section {
  display: none;
}

.content-section.active {
  display: block;
}

h2 {
  font-size: 18px;
  margin-bottom: 15px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e2e8f0;
}

.card {
  background: #fff;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  margin-bottom: 15px;
}

input, textarea, select {
  width: 100%;
  padding: 12px;
  margin: 8px 0;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 15px;
}

.btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: bold;
  cursor: pointer;
}

.btn-primary {
  background: #0284c7;
  color: #fff;
}

.btn-primary:active {
  background: #0369a1;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

table th, table td {
  padding: 10px 6px;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

table th {
  background: #f1f5f9;
}

.btn-sm {
  padding: 6px 8px;
  font-size: 12px;
  margin: 2px;
}

.btn-edit { background: #3b82f6; color: #fff; }
.btn-hapus { background: #ef4444; color: #fff; }
.btn-konfirm { background: #22c55e; color: #fff; }