@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #f8fafc;
  --sidebar-bg: #ffffff;
  --sidebar-hover: #f1f5f9;
  --sidebar-active: #2563eb;
  --sidebar-border: #e2e8f0;
  --sidebar-text: #475569;
  --sidebar-text-hover: #0f172a;
  --sidebar-text-active: #ffffff;
  --sidebar-footer-bg: rgba(15, 23, 42, 0.03);
  
  --surface: #ffffff;
  --surface-hover: #f8fafc;
  --border: #e2e8f0;
  
  --accent: #2563eb;
  --accent-light: rgba(37, 99, 235, 0.08);
  --accent-glow: rgba(37, 99, 235, 0.15);
  --accent-hover: #1d4ed8;
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  
  --success: #10b981;
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;
  
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --warning-border: #fde68a;
  
  --text: #0f172a;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.05), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-card: 0 2px 16px rgba(15, 23, 42, 0.03);
  
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-theme {
  --bg: #090d16;
  --surface: #111827;
  --surface-hover: #1f2937;
  --border: #1f2937;
  --text: #f9fafb;
  --text-muted: #9ca3af;
  
  --sidebar-bg: #0b0f19;
  --sidebar-hover: #1e293b;
  --sidebar-border: #1e293b;
  --sidebar-text: #94a3b8;
  --sidebar-text-hover: #ffffff;
  --sidebar-text-active: #ffffff;
  --sidebar-footer-bg: rgba(0, 0, 0, 0.2);
  
  --input-bg: #1f2937;
  --accent-light: rgba(37, 99, 235, 0.15);
  
  --success-bg: #064e3b;
  --success-border: #047857;
  
  --danger-bg: #7f1d1d;
  --danger-border: #b91c1c;
  
  --warning-bg: #78350f;
  --warning-border: #b45309;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--text);
  font-weight: 600;
}

/* Layout Framework */
.app-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
  position: relative;
}

/* Sidebar Styling */
.sidebar {
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-header {
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon {
  font-size: 1.5rem;
  background: var(--sidebar-hover);
  padding: 8px;
  border-radius: var(--radius-md);
}

.brand-name {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.5px;
}

.sidebar-nav {
  flex: 1;
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--sidebar-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
}

.nav-item:hover {
  background-color: var(--sidebar-hover);
  color: var(--sidebar-text-hover);
}

.nav-item.active {
  background-color: var(--sidebar-active);
  color: var(--sidebar-text-active);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.nav-icon {
  font-size: 1.1rem;
  width: 20px;
  display: flex;
  justify-content: center;
}

.sidebar-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--sidebar-border);
  background-color: var(--sidebar-footer-bg);
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--sidebar-text);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--sidebar-text);
  display: inline-block;
}

.status-dot.green {
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.status-dot.red {
  background-color: var(--danger);
  box-shadow: 0 0 8px var(--danger);
}

/* Mobile Header */
.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background-color: var(--sidebar-bg);
  color: var(--text);
  position: sticky;
  top: 0;
  z-index: 90;
}

.menu-toggle {
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}

/* Main Content Area */
.main-content {
  padding: 32px 40px;
  overflow-y: auto;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}

.page-header {
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title-area {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
}

.page-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

/* Modern Card Container */
.card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.02);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Dashboard Grid Component */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.stat-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background-color: var(--bg);
}

.stat-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-family: 'Outfit', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
}

.stat-value.blue { color: var(--accent); }
.stat-value.green { color: var(--success); }
.stat-value.red { color: var(--danger); }
.stat-value.warning { color: var(--warning); }

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

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-label span.required {
  color: var(--danger);
  margin-left: 2px;
}

input[type=text],
input[type=number],
input[type=password],
input[type=email],
input[type=date],
select,
textarea,
.form-control,
.form-select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.88rem;
  color: var(--text) !important;
  background-color: var(--input-bg, #f8fafc) !important;
  outline: none;
  transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus,
.form-control:focus,
.form-select:focus {
  border-color: var(--accent) !important;
  background-color: var(--surface) !important;
  box-shadow: 0 0 0 3.5px var(--accent-glow) !important;
  color: var(--text) !important;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

/* Modern radio tabs */
.radio-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.radio-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
  font-weight: 500;
  user-select: none;
  background-color: var(--surface);
  color: var(--text);
}

.radio-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.radio-tab.active {
  background-color: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

.radio-tab input[type=radio] {
  accent-color: var(--accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

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

.btn-secondary:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-danger {
  background-color: var(--danger);
  color: #fff;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.15);
}

.btn-danger:hover:not(:disabled) {
  background-color: #dc2626;
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Tables visual redesign */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background-color: var(--surface);
  box-shadow: var(--shadow-sm);
}

table.modern-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

table.modern-table thead {
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
}

table.modern-table th {
  padding: 14px 18px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

table.modern-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}

table.modern-table tr:last-child td {
  border-bottom: none;
}

table.modern-table tbody tr:hover td {
  background-color: var(--accent-light);
}

.mono {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
  font-weight: 500;
}

/* Badges styling */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: capitalize;
  white-space: nowrap;
}

.badge.pending { background-color: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }
.badge.in_progress, .badge.ringing { background-color: var(--accent-light); color: var(--accent); border: 1px solid rgba(37, 99, 235, 0.2); }
.badge.completed, .badge.success, .badge.answered { background-color: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.badge.failed, .badge.busy { background-color: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }
.badge.ai-on { background-color: #f3e8ff; color: #7c3aed; border: 1px solid #ddd6fe; }
.badge.ai-off { background-color: #f1f5f9; color: var(--text-muted); border: 1px solid var(--border); }

/* Outbox layouts */
.outbox-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.outbox-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  background-color: var(--surface);
  transition: var(--transition);
}

.outbox-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

/* Pagination container */
.pagination-area {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.pagination-info {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pagination-btn {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition);
  color: var(--text-muted);
}

.pagination-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.pagination-btn.active {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

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

/* Search bar filter panel */
.filter-panel {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-search-wrap {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.filter-input {
  background-color: var(--surface);
  border-color: var(--border);
}

.filter-select {
  width: auto;
  min-width: 140px;
  background-color: var(--surface);
}

/* File Upload drag area */
.file-upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  cursor: pointer;
  background-color: var(--bg);
  transition: var(--transition);
}

.file-upload-area:hover {
  border-color: var(--accent);
  background-color: var(--accent-light);
}

.file-upload-area.has-file {
  border-color: var(--success);
  background-color: var(--success-bg);
}

.file-upload-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.file-upload-text {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.file-upload-name {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--success);
  margin-top: 6px;
  word-break: break-all;
  font-weight: 500;
}

/* Toggle switches */
.toggle-switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  border: 1px solid var(--border);
  background-color: var(--bg);
  margin-bottom: 16px;
}

.toggle-switch-row.ai {
  background-color: #f5f3ff;
  border-color: #ddd6fe;
}

.toggle-switch-row.agent {
  background-color: #f0fdfa;
  border-color: #99f6e4;
}

body.dark-theme .toggle-switch-row.ai {
  background-color: #1e152f;
  border-color: #4c1d95;
}

body.dark-theme .toggle-switch-row.agent {
  background-color: #0c1a19;
  border-color: #0f766e;
}

body.dark-theme .toggle-main-label {
  color: var(--text) !important;
}

body.dark-theme .toggle-sub-label {
  color: var(--text-muted) !important;
}

.toggle-label-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toggle-main-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.toggle-sub-label {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.toggle-box {
  position: relative;
  width: 50px;
  height: 28px;
  cursor: pointer;
}

.toggle-box input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background-color: #cbd5e1;
  border-radius: 9999px;
  transition: var(--transition);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.toggle-box input:checked + .toggle-slider {
  background-color: var(--accent);
}

.toggle-switch-row.ai input:checked + .toggle-slider {
  background-color: #7c3aed;
}

.toggle-switch-row.agent input:checked + .toggle-slider {
  background-color: #0d9488;
}

.toggle-box input:checked + .toggle-slider:before {
  transform: translateX(22px);
}

/* Modals overlays styling */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

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

.modal-content {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 540px;
  box-shadow: var(--shadow-lg);
  position: relative;
  border: 1px solid var(--border);
  animation: modalIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

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

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* Toast message alert */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--sidebar-bg);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 8px;
}

#toast.show {
  transform: translateY(0);
  opacity: 1;
}

#toast.success { background-color: var(--success); }
#toast.error { background-color: var(--danger); }
#toast.warning { background-color: var(--warning); color: #000; }

/* Progress bars */
.progress-bar-container {
  height: 8px;
  background-color: #e2e8f0;
  border-radius: 9999px;
  overflow: hidden;
  margin: 10px 0;
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--accent);
  border-radius: 9999px;
  width: 0%;
  transition: width 0.3s;
}

/* Responsive breakdowns */
@media (max-width: 1024px) {
  .app-container {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
  }
  
  .mobile-header {
    display: flex;
  }
  
  .main-content {
    padding: 24px 20px;
  }
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .header-actions {
    width: 100%;
  }
  
  .header-actions button,
  .header-actions a {
    flex: 1;
  }
}