:root {
  --primary-color: #0d47a1;
  --primary-hover: #1565c0;
  --danger-color: #c62828;
  --warning-color: #ef6c00;
  --success-color: #2e7d32;
  --bg-color: #f4f6f9;
  --card-bg: #ffffff;
  --text-primary: #212121;
  --text-muted: #666666;
  --border-color: #e0e0e0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 700px;
  margin: 0 auto;
}

.admin-wrapper {
  max-width: 1300px;
  margin: 0 auto;
}

.header {
  text-align: center;
  margin-bottom: 24px;
}

.header h1 {
  margin: 0;
  font-size: 1.8rem;
  color: var(--primary-color);
}

.header h2 {
  margin: 4px 0;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-muted);
}

.card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 16px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-row .form-group {
  flex: 1;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.9rem;
}

input, select, textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  box-sizing: border-box;
  font-size: 0.95rem;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #fff;
  border: none;
  padding: 12px 20px;
  border-radius: 4px;
  cursor: pointer;
  width: 100%;
  font-weight: 600;
}

.btn-primary:hover { background-color: var(--primary-hover); }

.btn-secondary {
  background-color: #37474f;
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
}

.btn-danger {
  background-color: var(--danger-color);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
}

.notice-box {
  background-color: #e8eaf6;
  border-left: 4px solid var(--primary-color);
  padding: 12px;
  margin-bottom: 20px;
  font-size: 0.85rem;
}

.alert-danger {
  background-color: #ffebee;
  border-left: 4px solid var(--danger-color);
  padding: 14px;
  margin-bottom: 16px;
  border-radius: 4px;
}

.alert-success {
  background-color: #e8f5e9;
  border-left: 4px solid var(--success-color);
  padding: 18px;
  text-align: center;
  border-radius: 4px;
}

/* FIX: Added !important to prevent the modal flex styling from overriding the hidden state */
.hidden { display: none !important; }

/* Admin Dashboard Elements */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.kpi-card {
  background: var(--card-bg);
  padding: 16px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  text-align: center;
}

.kpi-card h4 { margin: 0 0 8px 0; color: var(--text-muted); font-size: 0.85rem; }
.kpi-card span { font-size: 1.8rem; font-weight: 700; color: var(--primary-color); }
.text-danger { color: var(--danger-color) !important; }

.table-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.table-container {
  overflow-x: auto;
  padding: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

th, td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: #fafafa;
  font-weight: 600;
}

.cell-wrap {
  max-width: 240px;
  word-wrap: break-word;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-info { background: #e3f2fd; color: #0d47a1; }
.badge-warning { background: #fff3e0; color: #e65100; }
.badge-danger { background: #ffebee; color: #b71c1c; }
.badge-success { background: #e8f5e9; color: #1b5e20; }

.btn-table {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 6px 10px;
  border-radius: 3px;
  cursor: pointer;
}

/* Modal */
.modal {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-content {
  max-width: 550px;
  width: 90%;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 14px; right: 18px;
  font-size: 1.5rem;
  cursor: pointer;
}

.readonly-box {
  background: #f5f5f5;
  padding: 8px;
  border-radius: 4px;
  font-size: 0.85rem;
  margin: 0;
}