* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* ---- Login Page ---- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  padding: 20px;
}

.login-card {
  background: var(--surface);
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  width: 100%;
  max-width: 420px;
}

.brand {
  text-align: center;
  margin-bottom: 32px;
}

.brand h1 {
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 8px;
}

.brand p {
  color: var(--text-muted);
  font-size: 14px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.15s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn {
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-primary {
  background: var(--primary);
  color: white;
  width: 100%;
}

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

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-secondary {
  background: var(--border);
  color: var(--text);
}

.remember {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--text-muted);
}

.error-msg {
  background: #fef2f2;
  color: var(--danger);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

.error-msg.show {
  display: block;
}

/* ---- Dashboard ---- */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar .brand {
  text-align: left;
  margin-bottom: 32px;
  padding: 0 8px;
}

.sidebar .brand h1 {
  font-size: 20px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  margin-bottom: 4px;
}

.nav-item:hover {
  background: var(--bg);
}

.nav-item.active {
  background: var(--primary);
  color: white;
}

.main {
  padding: 32px;
  overflow-x: auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.topbar h2 {
  font-size: 24px;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 6px 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 30px;
  font-size: 13px;
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
}

.stat-delta {
  font-size: 12px;
  color: var(--success);
  margin-top: 4px;
}

/* Panels */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.panel-header h3 {
  font-size: 16px;
}

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.table th {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.table tr:hover {
  background: var(--bg);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}

.badge-success {
  background: #dcfce7;
  color: var(--success);
}

.badge-warning {
  background: #fef3c7;
  color: var(--warning);
}

.badge-danger {
  background: #fee2e2;
  color: var(--danger);
}

.empty {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 20px;
  font-size: 14px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.toolbar input,
.toolbar select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
}

.loading {
  text-align: center;
  color: var(--text-muted);
  padding: 20px;
  font-size: 14px;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

/* 다크 테마에서는 본문 자체가 검정이라 0.45 검정으론 식별 부족 → 더 진하게 */
/* 다크 계열 8테마 명시 — 자체 시스템(midnight/ocean/forest/aubergine) + drportal-theme.js(dark-classic/dark-soft) 모두 포괄 */
[data-theme="midnight"] .modal-backdrop,
[data-theme="ocean"] .modal-backdrop,
[data-theme="forest"] .modal-backdrop,
[data-theme="aubergine"] .modal-backdrop,
[data-theme="dark-classic"] .modal-backdrop,
[data-theme="dark-soft"] .modal-backdrop {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-backdrop.show {
  display: flex;
}

.modal {
  background: var(--surface);
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal h3 {
  margin-bottom: 16px;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}

textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: monospace;
  font-size: 12px;
  min-height: 140px;
  resize: vertical;
}

@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    height: auto;
  }
}