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

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --bg-input: #1a1a26;
  --bg-modal: #16161f;
  --bg-titlebar: #0c0c14;
  --border: #2a2a3a;
  --border-light: #33334a;
  --text-primary: #e8e8f0;
  --text-secondary: #8888a8;
  --text-muted: #55556a;
  --accent: #6366f1;
  --accent-hover: #5558e6;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #22c55e;
  --warning: #f97316;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --titlebar-height: 40px;
  --toolbar-height: 42px;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

/* ═══════════════════════════════════════════════════════════════════
   CUSTOM TITLEBAR
   ═══════════════════════════════════════════════════════════════════ */
.titlebar {
  height: var(--titlebar-height);
  background: var(--bg-titlebar);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  z-index: 100;
}

.titlebar-drag {
  display: flex;
  align-items: center;
  flex: 1;
  height: 100%;
  -webkit-app-region: drag;
  overflow: hidden;
}

.titlebar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

.titlebar-brand svg {
  color: var(--accent);
}

/* Browser Tabs in Titlebar */
.browser-tabs {
  display: flex;
  align-items: flex-end;
  height: 100%;
  gap: 2px;
  padding-left: 8px;
  -webkit-app-region: no-drag;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

.browser-tabs::-webkit-scrollbar {
  display: none;
}

.browser-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 14px;
  background: transparent;
  border: none;
  border-radius: 8px 8px 0 0;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  max-width: 200px;
  position: relative;
}

.browser-tab:hover {
  background: var(--bg-card);
  color: var(--text-secondary);
}

.browser-tab.active {
  background: var(--bg-primary);
  color: var(--text-primary);
}

.browser-tab .tab-title {
  overflow: hidden;
  text-overflow: ellipsis;
}

.browser-tab .tab-close {
  display: none;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 3px;
  margin-left: 4px;
  flex-shrink: 0;
}

.browser-tab:not([data-tab="dashboard"]) .tab-close {
  display: flex;
}

.browser-tab .tab-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.browser-tab .tab-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Window Controls */
.titlebar-controls {
  display: flex;
  height: 100%;
  flex-shrink: 0;
  -webkit-app-region: no-drag;
}

.titlebar-btn {
  width: 46px;
  height: 100%;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.1s;
}

.titlebar-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}

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

/* ═══════════════════════════════════════════════════════════════════
   BROWSER TOOLBAR
   ═══════════════════════════════════════════════════════════════════ */
.browser-toolbar {
  height: var(--toolbar-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 10px;
  flex-shrink: 0;
}

.toolbar-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.15s;
  flex-shrink: 0;
}

.toolbar-btn:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.address-bar {
  flex: 1;
  height: 30px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: 0 6px;
  overflow: hidden;
}

.address-bar span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════════════════════
   CONTENT AREA
   ═══════════════════════════════════════════════════════════════════ */
.content-area {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.dashboard-view {
  position: absolute;
  inset: 0;
  overflow-y: auto;
}

.webview-container {
  position: absolute;
  inset: 0;
}

.webview-container webview,
.webview-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: none;
  position: absolute;
  inset: 0;
}

.webview-container webview.active,
.webview-container iframe.active {
  display: block;
}

/* ═══════════════════════════════════════════════════════════════════
   DASHBOARD STYLES (same as before)
   ═══════════════════════════════════════════════════════════════════ */
.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border-radius: var(--radius-md);
  color: var(--accent);
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  transition: border-color 0.2s;
  color: var(--text-secondary);
}

.search-box:focus-within {
  border-color: var(--accent);
}

.search-box input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  width: 200px;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
}

#refreshBtn svg {
  transition: transform 0.4s ease;
}

#refreshBtn.spinning svg {
  animation: spinOnce 0.6s ease;
}

@keyframes spinOnce {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

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

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

.btn-icon {
  padding: 8px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background: var(--bg-input);
  color: var(--text-primary);
}

/* Stats */
.stats-bar {
  display: flex;
  gap: 24px;
  margin-bottom: 20px;
}

.stat {
  display: flex;
  align-items: center;
  gap: 8px;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.stat-online { color: var(--success); }
.stat-offline { color: var(--text-muted); }

/* Category Filter */
.category-filter {
  display: flex;
  gap: 6px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  padding-bottom: 4px;
}

.filter-tab {
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-tab:hover {
  border-color: var(--border-light);
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.filter-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.filter-tab .filter-count {
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.15);
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

.filter-tab:not(.active) .filter-count {
  background: var(--bg-input);
  color: var(--text-muted);
}

.filter-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Category Groups */
.category-group {
  margin-bottom: 32px;
}

.category-group-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.category-group-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.category-group-icon svg {
  width: 16px;
  height: 16px;
}

.category-group-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.category-group-count {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: auto;
}

/* Panels Grid */
.panels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

/* Panel Card */
.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  /* draggable */
  user-select: none;
}

.panel-card.card-dragging {
  opacity: 0.3;
  transform: scale(0.97);
}

.panel-card.card-drag-over {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent), 0 0 16px var(--accent-glow);
}

.panels-grid.grid-drag-over {
  outline: 2px dashed var(--accent);
  outline-offset: 4px;
  border-radius: var(--radius-md);
}

.panel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-color, var(--accent));
  opacity: 0.8;
  transition: opacity 0.25s;
}

.panel-card:hover:not(.card-dragging) {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 24px var(--card-glow, rgba(99, 102, 241, 0.08));
}

.panel-card:hover::before { opacity: 1; }

.panel-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.panel-card-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.panel-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}

.panel-icon svg {
  width: 22px;
  height: 22px;
  position: relative;
  z-index: 1;
}

.panel-icon .icon-gradient {
  position: absolute;
  inset: 0;
  opacity: 0.15;
  background: linear-gradient(135deg, rgba(255,255,255,0.3), transparent);
}

.panel-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.panel-card-url {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

.panel-card-description {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.panel-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}

.status-dot.online {
  background: var(--success);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
}

.status-dot.offline { background: var(--danger); }

.status-dot.checking {
  background: var(--warning);
  animation: pulse 1.5s infinite;
}

.status-text { color: var(--text-muted); }

.panel-card-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.2s;
}

.panel-card:hover .panel-card-actions { opacity: 1; }

.category-badge {
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 20px;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
  background: var(--bg-input);
}

/* Auto Design Hint */
.auto-design-hint {
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
  min-height: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.auto-design-hint.detected { color: var(--success); }

.auto-design-hint .hint-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.auto-design-hint .hint-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Empty & No Results */
.empty-state {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  text-align: center;
  color: var(--text-muted);
}

.empty-state.visible { display: flex; }

.empty-state svg {
  margin-bottom: 24px;
  opacity: 0.3;
}

.empty-state h2 {
  font-size: 1.3rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  margin-bottom: 24px;
  color: var(--text-muted);
}

.no-results {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.no-results h3 {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

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

.modal {
  background: var(--bg-modal);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.2s ease;
}

.modal-small { max-width: 400px; }

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

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

.modal-header h2 { font-size: 1.2rem; font-weight: 600; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  display: flex;
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-input);
}

/* Form */
.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.optional { color: var(--text-muted); font-weight: 400; }

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus { border-color: var(--accent); }

.form-group input::placeholder { color: var(--text-muted); }
.form-group select option { background: var(--bg-secondary); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.color-picker {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.color-option {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  outline: none;
}

.color-option:hover { transform: scale(1.15); }

.color-option.selected {
  border-color: white;
  box-shadow: 0 0 0 2px var(--bg-modal), 0 0 0 4px currentColor;
}

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

.delete-message { color: var(--text-secondary); line-height: 1.6; }

/* Animations */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.panel-card { animation: fadeIn 0.3s ease; }
.category-group { animation: fadeIn 0.3s ease; }

/* ═══════════════════════════════════════════════════════════════════
   CATEGORY MANAGEMENT MODAL
   ═══════════════════════════════════════════════════════════════════ */
.manage-cat-btn {
  border-style: dashed !important;
  padding: 7px 10px !important;
  color: var(--text-muted) !important;
}

.manage-cat-btn:hover {
  color: var(--text-primary) !important;
}

.cat-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
  max-height: 300px;
  overflow-y: auto;
}

.cat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: grab;
  transition: all 0.15s;
  user-select: none;
}

.cat-item:active {
  cursor: grabbing;
}

.cat-item:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
}

.cat-item.dragging {
  opacity: 0.4;
  border-color: var(--accent);
}

.cat-item.drag-over {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.cat-item-grip {
  color: var(--text-muted);
  flex-shrink: 0;
  display: flex;
}

.cat-item-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.cat-item-label {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cat-item-count {
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.cat-item-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  transition: all 0.15s;
  flex-shrink: 0;
}

.cat-item-delete:hover {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

.cat-add-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.cat-add-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.cat-add-input:focus {
  border-color: var(--accent);
}

.cat-add-input::placeholder {
  color: var(--text-muted);
}

.cat-add-colors {
  display: flex;
  gap: 6px;
  justify-content: center;
}

.cat-color-opt {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  outline: none;
}

.cat-color-opt:hover {
  transform: scale(1.2);
}

.cat-color-opt.selected {
  border-color: white;
  box-shadow: 0 0 0 2px var(--bg-modal), 0 0 0 3px currentColor;
}

/* Drag & Drop for category groups on dashboard */
.category-group.drag-group {
  cursor: grab;
}

.category-group.dragging-group {
  opacity: 0.4;
}

.category-group.drag-over-group {
  border-top: 2px solid var(--accent);
  padding-top: 8px;
}

.category-group-header .drag-handle {
  color: var(--text-muted);
  cursor: grab;
  opacity: 0;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-right: 2px;
}

.category-group:hover .drag-handle {
  opacity: 1;
}

/* Loading spinner for webview */
.webview-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  z-index: 5;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-right {
    width: 100%;
    flex-direction: column;
  }

  .search-box { width: 100%; }
  .search-box input { width: 100%; }

  .header-right .btn-primary {
    width: 100%;
    justify-content: center;
  }

  .panels-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stats-bar { gap: 16px; }

  .category-filter { gap: 4px; }
  .filter-tab { padding: 6px 12px; font-size: 0.75rem; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }