:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-hover: #30363d;
  --border: #30363d;
  --border-light: #21262d;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #58a6ff;
  --accent-hover: #4393e6;
  --success: #58a6ff;
  --success-bg: rgba(88, 166, 255, 0.1);
  --warning: #d29922;
  --warning-bg: rgba(210, 153, 34, 0.1);
  --error: #f85149;
  --error-bg: rgba(248, 81, 73, 0.1);
  --info: #58a6ff;
  --info-bg: rgba(88, 166, 255, 0.1);
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  --transition: all 0.2s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

.hidden {
  display: none !important;
}

/* ==================== LOGIN PAGE ==================== */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.login-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-header .logo-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 0.5rem;
}

.login-header h1 {
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.error-text {
  color: var(--error);
  font-size: 0.875rem;
}

.btn-full {
  width: 100%;
}

/* ==================== MAIN APP ==================== */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  font-size: 1.75rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.logo h1 {
  font-size: 1.25rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-stats {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.stat-badge {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
  text-align: center;
  min-width: 90px;
  transition: var(--transition);
}

.stat-badge:hover {
  border-color: var(--text-muted);
  transform: translateY(-1px);
}

.stat-badge.success {
  border-color: var(--success);
  background: var(--success-bg);
}

.stat-value {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--success);
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.header-actions {
  display: flex;
  gap: 0.5rem;
}

/* Navigation */
.nav-tabs {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 1rem;
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.nav-tabs::-webkit-scrollbar {
  height: 3px;
}

.nav-tabs::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.nav-tab {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0.875rem 1.25rem;
  cursor: pointer;
  font-size: 0.9rem;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  font-weight: 500;
}

.nav-tab:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.nav-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.page {
  display: none;
  animation: fadeIn 0.3s ease;
}

.page.active {
  display: block;
}

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

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

/* Grids */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
}

.send-grid,
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1.25rem;
}

.lists-grid,
.templates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

/* Cards */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: var(--transition);
}

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

.card h3 {
  font-size: 0.95rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chart-container {
  height: 220px;
  position: relative;
}

/* List Cards */
.list-card,
.template-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: var(--transition);
}

.list-card:hover,
.template-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.list-card h4,
.template-card h4 {
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.list-card p,
.template-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.list-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  align-items: center;
}

/* Stats List */
.stats-list {
  display: flex;
  flex-direction: column;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.stat-row:hover {
  background: var(--bg-hover);
  margin: 0 -1rem;
  padding-left: 1rem;
  padding-right: 1rem;
}

.stat-row:last-child {
  border-bottom: none;
}

.stat-row span:first-child {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.stat-row span:last-child {
  font-weight: 600;
  color: var(--text-primary);
}

/* Alerts */
#alerts-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.alert {
  padding: 0.875rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.alert.warning {
  background: var(--warning-bg);
  border: 1px solid var(--warning);
  color: var(--warning);
}

.alert.error {
  background: var(--error-bg);
  border: 1px solid var(--error);
  color: var(--error);
}

.empty-state {
  color: var(--text-muted);
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
}

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.875rem;
  transition: var(--transition);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-small {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

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

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

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

.btn-success:hover {
  filter: brightness(1.1);
}

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

.btn-danger:hover {
  filter: brightness(1.1);
}

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

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

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

.data-table th,
.data-table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.data-table th {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--bg-tertiary);
}

.data-table tr {
  transition: var(--transition);
}

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

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

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

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

.badge-error {
  background: var(--error-bg);
  color: var(--error);
}

.badge-info {
  background: var(--info-bg);
  color: var(--info);
}

/* Progress Bar */
.progress-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s ease;
}

.progress-fill.warning {
  background: var(--warning);
}

.progress-fill.danger {
  background: var(--error);
}

/* Action buttons */
.action-btns {
  display: flex;
  gap: 0.25rem;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal.active {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow);
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

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

.modal-content h3 {
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.form-group input:disabled,
.form-group textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
  font-family: inherit;
}

.form-group input[type="checkbox"] {
  width: auto;
  margin-right: 0.5rem;
}

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

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.form-actions-left {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* Toolbars */
.leads-toolbar,
.messages-toolbar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.leads-toolbar input,
.messages-toolbar input {
  flex: 1;
  min-width: 150px;
  padding: 0.5rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
}

.leads-toolbar select,
.messages-toolbar select {
  padding: 0.5rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
}

/* Info Text */
.info-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* Dropzone */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.dropzone:hover {
  border-color: var(--accent);
  background: rgba(88, 166, 255, 0.05);
}

.dropzone.dragover {
  border-color: var(--accent);
  background: rgba(88, 166, 255, 0.1);
}

/* Pagination */
.pagination {
  margin-top: 1rem;
}

.pagination-btns {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center;
}

.pagination-info {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* A/B Tests */
.ab-tests-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ab-test-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ab-test-header h4 {
  margin: 0;
}

.ab-test-stats {
  display: flex;
  gap: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.ab-variants {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.ab-variant {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  transition: var(--transition);
}

.ab-variant.winner {
  border-color: var(--success);
  background: var(--success-bg);
}

.variant-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.variant-body {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.variant-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.variant-input {
  margin-bottom: 1rem;
  padding: 1rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
}

.variant-input input {
  margin-bottom: 0.5rem;
}

/* Settings */
.webhook-urls {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.webhook-url label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.webhook-url code {
  display: block;
  padding: 0.5rem 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  word-break: break-all;
}

/* Preview Box */
.preview-box {
  padding: 1rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  white-space: pre-wrap;
  font-size: 0.9rem;
}

/* Message Preview */
.message-preview {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  animation: slideInRight 0.3s ease;
  min-width: 200px;
}

.toast-success {
  border-color: var(--success);
  background: var(--success-bg);
  color: var(--success);
}

.toast-error {
  border-color: var(--error);
  background: var(--error-bg);
  color: var(--error);
}

.toast-info {
  border-color: var(--info);
  background: var(--info-bg);
  color: var(--info);
}

.toast.fade-out {
  animation: fadeOut 0.3s ease forwards;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.flex-between { justify-content: space-between; }
.flex-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* Mobile Responsive */
@media (max-width: 768px) {
  .header {
    padding: 1rem;
  }
  
  .header-stats {
    width: 100%;
    justify-content: space-between;
  }
  
  .stat-badge {
    min-width: 70px;
    padding: 0.4rem 0.75rem;
  }
  
  .stat-value {
    font-size: 1.1rem;
  }
  
  .nav-tabs {
    padding: 0 0.5rem;
  }
  
  .nav-tab {
    padding: 0.75rem 0.75rem;
    font-size: 0.8rem;
  }
  
  .main-content {
    padding: 1rem;
  }
  
  .overview-grid,
  .send-grid,
  .settings-grid {
    grid-template-columns: 1fr;
  }
  
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .page-header h2 {
    font-size: 1.25rem;
  }
  
  .data-table {
    font-size: 0.8rem;
    display: block;
    overflow-x: auto;
  }
  
  .data-table th,
  .data-table td {
    padding: 0.5rem 0.75rem;
    white-space: nowrap;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    padding: 1rem;
  }
  
  .lists-grid,
  .templates-grid {
    grid-template-columns: 1fr;
  }
  
  .ab-variants {
    grid-template-columns: 1fr;
  }
  
  .messages-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .messages-toolbar input,
  .messages-toolbar select {
    width: 100%;
  }
}

/* Optimizer Page */
.alert-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  background: var(--bg-input);
  border-radius: 6px;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.alert-item.error {
  border-left: 3px solid var(--danger);
}

.alert-item.warning {
  border-left: 3px solid var(--warning);
}

.alert-item.success {
  border-left: 3px solid var(--success);
}

.alert-item.info {
  border-left: 3px solid var(--accent);
}

.recommendation-item {
  padding: 0.75rem;
  background: var(--bg-input);
  border-radius: 6px;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.recommendation-item.priority-high {
  border-left: 3px solid var(--danger);
}

.recommendation-item.priority-medium {
  border-left: 3px solid var(--warning);
}

.recommendation-item.priority-low {
  border-left: 3px solid var(--success);
}

.action-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem;
  background: var(--bg-input);
  border-radius: 6px;
  margin-bottom: 0.5rem;
}

.ab-test-item {
  padding: 1rem;
  background: var(--bg-input);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.ab-test-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.ab-test-variants {
  font-size: 0.85rem;
}

.variant-item {
  display: flex;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.variant-item:last-child {
  border-bottom: none;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.card-header h3 {
  margin: 0;
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
}

.badge-warning {
  background: rgba(255, 173, 31, 0.1);
  color: var(--warning);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
}

.badge-danger {
  background: rgba(244, 33, 46, 0.1);
  color: var(--danger);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
}

.badge-info {
  background: rgba(29, 155, 240, 0.1);
  color: var(--accent);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
}

/* ==================== CAMPAIGNS ==================== */
.campaigns-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.campaign-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.campaign-header h4 {
  margin: 0;
}

.campaign-messages {
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  padding: 0.75rem;
  margin: 0.75rem 0;
}

.campaign-message {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.campaign-message:last-child {
  border-bottom: none;
}

.campaign-message.opener strong {
  color: var(--accent);
}

.campaign-message.followup strong {
  color: var(--text-secondary);
}

.campaign-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.campaign-form .form-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0 1rem 0;
}

.campaign-form h4 {
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.followup-group {
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
}

.followup-group > label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.form-row {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.flex-grow {
  flex: 1;
}

/* Campaign detail modal */
.campaign-detail-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.stat-box {
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

.stat-box .stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent);
}

.stat-box .stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.campaign-messages-detail {
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  padding: 1rem;
}

.message-step {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.message-step:last-child {
  border-bottom: none;
}

.step-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--accent);
  color: white;
  margin-bottom: 0.5rem;
}

.step-badge.followup {
  background: var(--bg-hover);
  color: var(--text-secondary);
}

.message-step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

@media (max-width: 600px) {
  .campaign-detail-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .form-row {
    flex-direction: column;
  }
  
  .form-row .form-group {
    width: 100% !important;
  }
}

/* ==================== CAMPAIGN RUNS ==================== */
.run-card {
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
  border-left: 3px solid var(--accent);
}

.run-card.paused {
  border-left-color: var(--warning);
  opacity: 0.8;
}

.run-card.stopped {
  border-left-color: var(--error);
  opacity: 0.6;
}

.run-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.run-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.run-progress {
  margin-bottom: 0.75rem;
}

.run-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.run-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-warning {
  background: var(--warning);
  color: #000;
}

.btn-warning:hover {
  background: #e6ac00;
}

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

.btn-full {
  width: 100%;
}

#active-runs-card {
  max-height: 400px;
  overflow-y: auto;
}

/* ==================== A/B TEST CAMPAIGN SELECTION ==================== */
.campaign-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 300px;
  overflow-y: auto;
}

.checkbox-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.checkbox-card:hover {
  background: var(--bg-hover);
}

.checkbox-card input[type="checkbox"] {
  margin-top: 0.25rem;
}

.checkbox-card input[type="checkbox"]:checked + .checkbox-content {
  color: var(--accent);
}

.checkbox-content {
  flex: 1;
}

.checkbox-content strong {
  display: block;
  margin-bottom: 0.25rem;
}

.checkbox-content p {
  font-size: 0.8rem;
  margin: 0;
}

.ab-variant.winner {
  border-left: 3px solid var(--success);
  background: var(--success-bg);
}

.progress-fill.winner {
  background: var(--success);
}

/* ==================== CONFIRM MODAL ==================== */
.modal-sm {
  max-width: 400px;
  text-align: center;
}

#confirm-body {
  padding: 1.5rem;
}

#confirm-body h3 {
  margin-bottom: 1rem;
}

#confirm-body p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.confirm-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}

.confirm-actions .btn {
  min-width: 80px;
}

/* ==================== LAUNCH TYPE TOGGLE ==================== */
.launch-type-toggle {
  display: flex;
  gap: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.toggle-btn {
  flex: 1;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}

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

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

/* ==================== STATE GROUPING ==================== */
.state-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  padding: 0.5rem 0;
}

.state-card {
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.state-card:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
}

.state-card.active {
  background: var(--accent);
  color: white;
}

.state-card .state-name {
  font-weight: 500;
}

.state-card .state-count {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 0.2rem 0.5rem;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 600;
}

.state-card.active .state-count {
  background: rgba(255,255,255,0.2);
  color: white;
}

.state-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem 0;
}

.state-chip {
  background: var(--bg-tertiary);
  border-radius: 20px;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: var(--transition);
}

.state-chip:hover {
  background: var(--bg-hover);
}

.state-chip.active {
  background: var(--accent);
  color: white;
}

.state-chip .chip-count {
  background: rgba(0,0,0,0.15);
  padding: 0.1rem 0.4rem;
  border-radius: 10px;
  font-size: 0.75rem;
}

.state-chip.active .chip-count {
  background: rgba(255,255,255,0.2);
}

#state-breakdown-card .card-header {
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

/* ==================== LEAD RESEARCH ==================== */
.research-input-group {
  display: flex;
  gap: 0.5rem;
}

.research-input {
  flex: 1;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  transition: var(--transition);
}

.research-input:focus {
  outline: none;
  border-color: var(--accent);
}

.research-hints {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

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

.hint-chip {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.hint-chip:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.research-requirements {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.research-requirements .badge {
  background: var(--success);
  color: white;
  font-size: 0.75rem;
}

.research-progress {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.research-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.research-result-card {
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  padding: 1rem;
  border: 1px solid var(--border);
}

.research-result-card.valid {
  border-color: var(--success);
}

.research-result-card.invalid {
  opacity: 0.6;
}

.result-name {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.result-phone {
  font-family: monospace;
  color: var(--accent);
}

.research-job-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
}

.research-job-info {
  flex: 1;
}

.research-job-query {
  font-weight: 500;
}

.research-job-stats {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.research-summary {
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  justify-content: space-around;
  text-align: center;
}

.summary-stat {
  display: flex;
  flex-direction: column;
}

.summary-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.summary-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ==================== TIMEZONE PREVIEW ==================== */
.timezone-status {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
}

.tz-ok {
  color: var(--success);
}

.tz-wait {
  color: var(--text-secondary);
}

.timezone-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 0.5rem;
  max-height: 200px;
  overflow-y: auto;
}

.tz-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.3rem 0.5rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  font-size: 0.8rem;
}

.tz-item.can-send {
  border-left: 3px solid var(--success);
}

.tz-item.cannot-send {
  border-left: 3px solid var(--text-secondary);
  opacity: 0.7;
}

.tz-state {
  font-weight: 600;
}

.tz-time {
  color: var(--text-secondary);
  font-size: 0.75rem;
}

/* ==================== CSV IMPORT DROPZONE ==================== */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-tertiary);
}

.dropzone:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
}

.dropzone.drag-over {
  border-color: var(--accent);
  background: rgba(79, 70, 229, 0.1);
  transform: scale(1.02);
}

.dropzone-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.dropzone-text {
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.dropzone-formats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.format-badge {
  background: var(--bg-secondary);
  padding: 0.2rem 0.5rem;
  border-radius: 10px;
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.csv-preview-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.csv-preview-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  font-size: 0.85rem;
}

.csv-preview-item strong {
  min-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.csv-preview-item .text-muted {
  font-family: monospace;
  font-size: 0.8rem;
}

/* ==================== COLUMN MAPPING ==================== */
.column-mapping {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 1rem;
}

.column-mapping h4 {
  margin-bottom: 0.5rem;
}

.mapping-grid {
  display: grid;
  gap: 0.5rem;
  max-height: 300px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.mapping-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: center;
  gap: 0.5rem;
}

.mapping-row label {
  font-size: 0.85rem;
  white-space: nowrap;
}

.mapping-select {
  padding: 0.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 0.85rem;
}

.mapping-select:focus {
  outline: none;
  border-color: var(--accent);
}

.text-error {
  color: var(--error);
}

/* ==================== AUTO-OPTIMIZE ==================== */
.optimize-section {
  margin-bottom: 1rem;
}

.optimize-section h4 {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.optimize-alert {
  background: var(--bg-tertiary);
  border-left: 3px solid var(--warning);
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.optimize-alert.error {
  border-left-color: var(--error);
}

.optimize-alert small {
  display: block;
  margin-top: 0.25rem;
}

.optimize-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
}

.optimize-item.winner {
  border: 1px solid var(--success);
  background: rgba(16, 185, 129, 0.1);
}

.optimize-status {
  font-size: 1.5rem;
}

.optimize-content {
  flex: 1;
}

.optimize-content p {
  margin-bottom: 0.5rem;
}

.optimize-insight {
  padding: 0.5rem 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
}

.optimize-insight small {
  display: block;
  margin-top: 0.25rem;
}

.action-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
}

.ab-test-item {
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  padding: 0.75rem;
  margin-bottom: 0.5rem;
}

.ab-test-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.variant-item {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  padding: 0.25rem 0;
  color: var(--text-secondary);
}

/* ==================== LEADS TABLE IMPROVEMENTS ==================== */
.table-container {
  overflow-x: auto;
  max-width: 100%;
}

.leads-table {
  min-width: 1800px;
}

.leads-table th,
.leads-table td {
  white-space: nowrap;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.leads-table th:first-child,
.leads-table td:first-child {
  min-width: 120px;
}

.leads-table th:last-child,
.leads-table td:last-child {
  min-width: 100px;
  white-space: nowrap;
}

.leads-table td[title] {
  cursor: help;
}

.leads-table td a {
  color: var(--accent);
  text-decoration: none;
}

.leads-table td a:hover {
  text-decoration: underline;
}

/* Badge variations */
.badge-muted {
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

/* Lead form modal improvements */
.lead-form {
  max-height: 70vh;
  overflow-y: auto;
}

.lead-form textarea {
  resize: vertical;
  min-height: 60px;
}

/* Wider modal for lead forms */
#modal-body:has(.lead-form) {
  max-width: 700px;
}

/* ==================== AI CAMPAIGN GENERATOR ==================== */
.ai-generating {
  text-align: center;
  padding: 2rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--bg-tertiary);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

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

.followup-group {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.followup-group .form-group:first-child {
  flex: 1;
}

.error-state {
  text-align: center;
  padding: 2rem;
  color: var(--error);
}

.btn-success {
  background: #10b981;
  color: white;
}

.btn-success:hover {
  background: #059669;
}