:root {
  --primary: #5b9ef1;
  --primary-dark: #4a8ae6;
  --primary-light: #e8f0fe;
  --bg-start: #e8f0fe;
  --bg-mid: #f0f4ff;
  --bg-end: #e6f7f0;
  --card-bg: #fff;
  --text: #333;
  --text-light: #999;
  --text-medium: #555;
  --border: #e8e8e8;
  --border-focus: #5b9ef1;
  --danger: #e74c3c;
  --success: #2ecc71;
  --warning: #f39c12;
  --info: #3498db;
  --sidebar-w: 220px;
  --header-h: 56px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-mid) 50%, var(--bg-end) 100%);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Login ===== */
.login-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
}

.login-card {
  background: #fff; border-radius: 16px; padding: 48px 40px;
  width: 400px; box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.login-card h1 { font-size: 24px; font-weight: 600; text-align: center; margin-bottom: 8px; color: #1a1a2e; }
.login-card .subtitle { text-align: center; font-size: 14px; color: var(--text-light); margin-bottom: 36px; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; color: var(--text-medium); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: 10px;
  font-size: 14px; outline: none; transition: border-color 0.2s, box-shadow 0.2s; background: #fafafa;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--border-focus); box-shadow: 0 0 0 3px rgba(91,158,241,0.12); background: #fff;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 24px; border: none; border-radius: 10px; font-size: 15px;
  font-weight: 500; cursor: pointer; transition: opacity 0.2s, transform 0.1s;
}
.btn:active { transform: scale(0.985); }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; }
.btn-primary:hover { opacity: 0.92; }
.btn-sm { padding: 6px 14px; font-size: 12px; border-radius: 8px; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-outline { background: transparent; border: 1.5px solid var(--border); color: var(--text-medium); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-block { width: 100%; }

.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 24px; }

.form-options { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; font-size: 13px; }
.form-options label { display: flex; align-items: center; gap: 6px; color: #666; cursor: pointer; }
.form-options label input[type="checkbox"] { accent-color: var(--primary); width: 14px; height: 14px; }
.form-options a { color: var(--primary); font-size: 13px; }
.form-options a:hover { text-decoration: underline; }

/* ===== Admin Layout ===== */
.admin-wrap { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w); background: #fff; border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
}

.sidebar-header {
  height: var(--header-h); display: flex; align-items: center; padding: 0 20px;
  font-size: 16px; font-weight: 600; color: #1a1a2e; border-bottom: 1px solid var(--border);
}

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }

.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 12px 20px;
  font-size: 14px; color: var(--text-medium); cursor: pointer; transition: background 0.15s, color 0.15s;
  border-left: 3px solid transparent;
}
.nav-item:hover { background: var(--primary-light); color: var(--primary); }
.nav-item.active { background: var(--primary-light); color: var(--primary); border-left-color: var(--primary); font-weight: 500; }
.nav-item .icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 12px 20px; border-top: 1px solid var(--border); font-size: 13px;
}
.sidebar-footer .username { color: var(--text-medium); }
.sidebar-footer .logout-btn { color: var(--danger); cursor: pointer; margin-left: 8px; }

.main-content { margin-left: var(--sidebar-w); flex: 1; padding: 24px 32px; min-width: 0; }

.page-view { display: none; }
.page-view.active { display: block; }

.page-header {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;
}
.page-header h2 { font-size: 20px; font-weight: 600; color: #1a1a2e; }

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

.stat-card {
  background: #fff; border-radius: 12px; padding: 20px; box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: #1a1a2e; }
.stat-card .stat-label { font-size: 13px; color: var(--text-light); margin-top: 4px; }
.stat-card.stat-blue .stat-value { color: var(--primary); }
.stat-card.stat-green .stat-value { color: var(--success); }
.stat-card.stat-orange .stat-value { color: var(--warning); }
.stat-card.stat-red .stat-value { color: var(--danger); }

/* ===== Table ===== */
.table-wrap {
  background: #fff; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  overflow-x: auto;
}

table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
  text-align: left; padding: 12px 16px; background: #f8f9fa; font-weight: 500;
  color: var(--text-medium); border-bottom: 1px solid var(--border); font-size: 13px;
  white-space: nowrap;
}
tbody td { padding: 12px 16px; border-bottom: 1px solid #f0f0f0; vertical-align: middle; }
tbody tr:hover { background: #fafbff; }
tbody tr:last-child td { border-bottom: none; }

/* ===== Badge ===== */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 6px; font-size: 12px; font-weight: 500;
}
.badge-pending { background: #fff3e0; color: #e67e22; }
.badge-running { background: #e3f2fd; color: #2196f3; }
.badge-done { background: #e8f5e9; color: #4caf50; }
.badge-failed { background: #fce4ec; color: #e74c3c; }
.badge-cancelled { background: #f0f0f0; color: #999; }
.badge-type1 { background: #e3f2fd; color: #1976d2; }
.badge-type2 { background: #f3e5f5; color: #7b1fa2; }
.badge-type3 { background: #e0f2f1; color: #00796b; }
.badge-type4 { background: #fff8e1; color: #f57f17; }

/* ===== Filter Bar ===== */
.filter-bar {
  display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; align-items: center;
}
.filter-bar input, .filter-bar select {
  padding: 8px 14px; border: 1.5px solid var(--border); border-radius: 8px; font-size: 13px; outline: none;
  background: #fff; transition: border-color 0.2s;
}
.filter-bar input:focus, .filter-bar select:focus { border-color: var(--border-focus); }
.filter-bar input { width: 200px; }

/* ===== Pagination ===== */
.pagination {
  display: flex; align-items: center; justify-content: center; gap: 6px; padding: 16px; font-size: 13px;
}
.pagination button {
  padding: 6px 12px; border: 1.5px solid var(--border); border-radius: 6px; background: #fff;
  cursor: pointer; font-size: 13px; transition: all 0.15s;
}
.pagination button:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination .page-info { color: var(--text-light); margin: 0 8px; }

/* ===== Modal ===== */
.modal-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.3); z-index: 200;
  align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal {
  background: #fff; border-radius: 14px; padding: 32px; width: 500px; max-width: 90vw;
  max-height: 85vh; overflow-y: auto; box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}
.modal h3 { font-size: 18px; font-weight: 600; margin-bottom: 20px; color: #1a1a2e; }

/* ===== Detail Panel ===== */
.detail-panel {
  background: #f8f9fa; border-radius: 8px; padding: 16px; font-size: 13px; line-height: 1.8;
}
.detail-panel .detail-row { display: flex; gap: 8px; }
.detail-panel .detail-label { color: var(--text-light); min-width: 100px; }
.detail-panel .detail-value { color: var(--text); }

.log-lines {
  background: #1e1e1e; color: #d4d4d4; border-radius: 8px; padding: 12px;
  font-family: "SF Mono", "Fira Code", monospace; font-size: 12px;
  max-height: 300px; overflow-y: auto; margin-top: 12px;
}
.log-lines div { padding: 2px 0; }

/* ===== Placeholder ===== */
.placeholder {
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  padding: 80px 20px; color: var(--text-light); font-size: 16px;
}
.placeholder .placeholder-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.4; }

/* ===== Empty ===== */
.empty-text { text-align: center; padding: 40px; color: var(--text-light); font-size: 14px; }

/* ===== Hamburger ===== */
.hamburger {
  display: none; position: fixed; top: 12px; left: 12px; z-index: 150;
  width: 40px; height: 40px; border-radius: 8px; background: #fff;
  border: 1px solid var(--border); cursor: pointer; flex-direction: column;
  align-items: center; justify-content: center; gap: 4px;
}
.hamburger span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 1px; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%); transition: transform 0.25s;
  }
  .sidebar.open { transform: translateX(0); }
  .hamburger { display: flex; }
  .main-content { margin-left: 0; padding: 16px; padding-top: 60px; }
  .login-card { width: 92%; padding: 32px 24px; }
  .modal { width: 95%; padding: 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .filter-bar { flex-direction: column; }
  .filter-bar input { width: 100%; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .form-row { flex-direction: column; gap: 0; }
  table { font-size: 13px; }
  thead th, tbody td { padding: 8px 10px; }
}

/* ===== Misc ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.gap-8 { gap: 8px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.actions-cell { display: flex; gap: 6px; flex-wrap: wrap; }

.loading { text-align: center; padding: 40px; color: var(--text-light); }

.modal-large { max-width: 800px; }
#previewFrame { width: 100%; height: 600px; border: none; border-radius: 8px; background: #fff; }
.html-editor { min-height: 200px; font-family: "SF Mono", "Fira Code", monospace; font-size: 13px; }
.input-with-btn { display: flex; gap: 8px; }
.input-with-btn input { flex: 1; }

.error-msg {
  background: #fce4ec; color: var(--danger); padding: 10px 16px; border-radius: 8px;
  font-size: 13px; margin-bottom: 16px;
}