:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-hover: #22262f;
  --border: #2a2e3a;
  --text: #e4e6eb;
  --text-muted: #8b8fa3;
  --primary: #6c5ce7;
  --primary-hover: #7c6ff7;
  --success: #00b894;
  --danger: #e74c3c;
  --warning: #fdcb6e;
  --info: #74b9ff;
  --radius: 8px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* Layout */
.app { display: flex; min-height: 100vh; overflow-x: hidden; }

.sidebar {
  width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.sidebar-logo {
  padding: 0 20px 24px;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  color: var(--text);
  background: var(--surface-hover);
}

.sidebar-nav a.active {
  border-right: 3px solid var(--primary);
}

.sidebar-nav .sidebar-logout {
  margin-top: 8px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
  color: var(--danger);
}

.sidebar-nav .sidebar-logout:hover {
  background: var(--surface-hover);
}

.main {
  flex: 1;
  padding: 32px;
  overflow-x: auto;
}

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

.page-header h1 {
  font-size: 24px;
  font-weight: 600;
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

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

.stat-card .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 28px;
  font-weight: 700;
}

.stat-card .delta {
  font-size: 13px;
  margin-top: 4px;
}

.delta.positive { color: var(--success); }
.delta.negative { color: var(--danger); }
.delta.neutral { color: var(--text-muted); }

/* Tables */
.table-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  padding: 10px 10px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--surface-hover);
  white-space: nowrap;
}

tbody td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  white-space: nowrap;
}

tbody tr:hover {
  background: var(--surface-hover);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* Item name cell — constrained width, text wraps to multiple lines */
.cell-item-name {
  white-space: normal;
  line-height: 1.4;
  min-width: 140px;
  max-width: 200px;
  word-break: break-word;
}

/* Table filter toolbar */
.table-filter-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.table-filter-input {
  flex: 1;
  max-width: 300px;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
}
.table-filter-input:focus {
  outline: none;
  border-color: var(--primary);
}
.table-filter-input::placeholder {
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

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

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

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

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

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
}

.modal h2 {
  font-size: 18px;
  margin-bottom: 20px;
}

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

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

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

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

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

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.badge-active { background: rgba(0,184,148,0.15); color: var(--success); }
.badge-inactive { background: rgba(231,76,60,0.15); color: var(--danger); }
.badge-codecanyon { background: rgba(108,92,231,0.15); color: var(--primary); }
.badge-themeforest { background: rgba(116,185,255,0.15); color: var(--info); }
.badge-trending { background: rgba(253,203,110,0.2); color: var(--warning); }

/* Chart area */
.chart-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}

/* Toast */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  animation: slideIn 0.3s ease;
}

.toast-success { background: var(--success); color: white; }
.toast-error { background: var(--danger); color: white; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Checkbox toggle */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
}

.toggle-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state p {
  margin-top: 8px;
  font-size: 14px;
}

/* Progress Panel */
.progress-panel {
  background: var(--surface);
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 24px;
  animation: slideIn 0.3s ease;
}

.progress-panel.progress-done { border-color: var(--success); }
.progress-panel.progress-partial { border-color: var(--warning); }
.progress-panel.progress-error { border-color: var(--danger); }

.progress-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 10px;
}

.progress-status:last-child { margin-bottom: 0; }

.progress-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

.progress-done .progress-spinner,
.progress-partial .progress-spinner,
.progress-error .progress-spinner { display: none; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

.progress-bar-outer {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 10px;
}

.progress-bar-inner {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.3s ease;
  min-width: 0;
}

.progress-done .progress-bar-inner { background: var(--success); }
.progress-partial .progress-bar-inner { background: var(--warning); }
.progress-error .progress-bar-inner { background: var(--danger); }

.progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

/* Activity expandable rows */
.activity-row-clickable {
  cursor: pointer;
  transition: background 0.15s;
}
.activity-row-clickable:hover {
  background: var(--surface-hover);
}
.activity-row-expanded {
  background: var(--surface-hover);
}
.activity-detail-row {
  background: var(--bg);
}
.activity-detail-row:hover {
  background: var(--bg);
}
.activity-detail-row > td {
  padding: 0;
  border-bottom: 1px solid var(--border);
}
.activity-detail-panel {
  padding: 12px 16px 16px;
}
.activity-items-table {
  width: 100%;
  border-collapse: collapse;
}
.activity-items-table th {
  text-align: left;
  padding: 6px 10px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.activity-items-table td {
  padding: 6px 10px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.activity-items-table tbody tr:last-child td {
  border-bottom: none;
}
.activity-item-error {
  color: var(--danger);
  font-size: 12px;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Retry delays list */
.retry-list { display: flex; flex-direction: column; gap: 8px; }
.retry-entry {
  display: flex;
  align-items: center;
  gap: 10px;
}
.retry-label {
  font-size: 13px;
  color: var(--text-muted);
  min-width: 70px;
  font-weight: 500;
}
.retry-delay-input {
  width: 120px;
  padding: 6px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
}
.retry-unit {
  font-size: 12px;
  color: var(--text-muted);
}
.retry-remove-btn {
  padding: 2px 8px !important;
  font-size: 16px !important;
  line-height: 1;
}

/* Kebab (three-dot) menu */
.kebab-wrap {
  position: relative;
}

.kebab-btn {
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  padding: 4px 8px;
  font-size: 18px;
  line-height: 1;
  color: var(--text-muted);
  letter-spacing: 2px;
  transition: all 0.15s;
}

.kebab-btn:hover {
  background: var(--surface-hover);
  border-color: var(--border);
  color: var(--text);
}

.kebab-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  z-index: 30;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 140px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  padding: 4px 0;
}

.kebab-dropdown.open {
  display: block;
}

.kebab-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.1s;
}

.kebab-dropdown button:hover {
  background: var(--surface-hover);
}

.kebab-dropdown button.danger {
  color: var(--danger);
}

/* Mobile Header (hidden on desktop) */
.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  align-items: center;
  gap: 12px;
}

.mobile-logo {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
}

.hamburger {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Sidebar Backdrop (mobile overlay) */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 59;
}

.sidebar-backdrop.active {
  display: block;
}

/* ── Responsive ── */

/* Tablet and below */
@media (max-width: 1024px) {
  .main { padding: 24px 16px; }
  thead th { padding: 8px 8px; font-size: 10px; }
  tbody td { padding: 6px 8px; font-size: 12px; }
}

/* Mobile */
@media (max-width: 768px) {
  .app {
    flex-direction: column;
  }

  /* Show mobile header */
  .mobile-header {
    display: flex;
  }

  /* Sidebar: slide-in overlay */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 60;
    width: 260px;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main {
    padding: 16px 12px;
    width: 100%;
    min-height: 0;
  }

  /* Page header stacks */
  .page-header {
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
  }

  .page-header h1 {
    font-size: 20px;
    width: 100%;
  }

  /* Stats grid: 2 columns */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 20px;
  }

  .stat-card {
    padding: 14px;
  }

  .stat-card .value {
    font-size: 22px;
  }

  /* Tables: tighter padding, container scrolls horizontally */
  thead th { padding: 6px 6px; font-size: 10px; }
  tbody td { padding: 6px 6px; font-size: 11px; }

  /* Filter toolbar */
  .table-filter-toolbar {
    flex-wrap: wrap;
  }

  .table-filter-input {
    max-width: 100%;
    min-width: 0;
  }

  /* Form rows stack on mobile */
  .form-row {
    flex-direction: column;
    gap: 0;
  }

  /* Chart height */
  .chart-container {
    padding: 12px;
    margin-bottom: 16px;
  }

  /* Progress panel */
  .progress-status {
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
  }

  .progress-meta {
    flex-wrap: wrap;
    gap: 4px;
  }

  /* Activity detail */
  .activity-detail-panel {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Item name column: narrower on mobile */
  .cell-item-name {
    min-width: 120px;
    max-width: 160px;
  }

  /* Settings sections: reduce padding */
  .table-container[style*="padding"] {
    padding: 14px 12px !important;
  }

  /* Retry settings */
  .retry-entry {
    flex-wrap: wrap;
    gap: 6px;
  }

  .retry-delay-input {
    width: 100px;
  }

  /* Buttons in table rows */
  .btn-sm {
    padding: 4px 8px;
    font-size: 11px;
  }

  /* Toast */
  .toast-container {
    left: 12px;
    right: 12px;
    top: auto;
    bottom: 16px;
  }

  .toast {
    font-size: 13px;
    padding: 10px 14px;
  }

  /* Modal */
  .modal {
    padding: 20px 16px;
    border-radius: 10px;
    margin: 12px;
    width: calc(100% - 24px);
    max-height: 85vh;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-card .value {
    font-size: 20px;
  }

  .page-header h1 {
    font-size: 18px;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
    justify-content: center;
  }
}