:root {
  --surface-50: #ffffff;
  --surface-100: #f5f5f5;
  --surface-200: #e5e5e5;
  --surface-300: #d4d4d4;
  --surface-400: #a3a3a3;
  --surface-500: #737373;
  --surface-600: #525252;
  --surface-700: #404040;
  --surface-800: #262626;
  --surface-900: #171717;
  --surface-950: #000000;
  --radius: 8px;
  --transition: all 0.2s ease;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: var(--transition);
}
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--surface-50);
  color: var(--surface-900);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--surface-200);
}

::-webkit-scrollbar-thumb {
  background: var(--surface-400);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-500);
}
/* Navigation */
.nav-item {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  margin: 2px 0;
  border-radius: var(--radius);
  color: var(--surface-700);
  text-decoration: none;
  font-weight: 500;
  position: relative;
}

.nav-item:hover {
  background: var(--surface-200);
  color: var(--surface-900);
}
.nav-item.active {
  background: var(--surface-200);
  color: var(--surface-900);
  border-left: 3px solid var(--surface-900);
  font-weight: 600;
}
.nav-item i {
  width: 20px;
  height: 20px;
  margin-right: 12px;
  stroke-width: 1.5;
}
/* Layout Elements */
.dashboard-card {
  background: var(--surface-50);
  border: 1px solid var(--surface-200);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  transition: all 0.3s ease;
}

.dashboard-card:hover {
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
  border-color: var(--surface-300);
}
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.dashboard-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--surface-100);
}

.dashboard-header p {
  color: var(--surface-400);
  font-size: 0.875rem;
}

.section-content {
  animation: fadeIn 0.4s cubic-bezier(0.39, 0.575, 0.565, 1) both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/* Buttons & Controls */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--surface-200);
  background: var(--surface-50);
  color: var(--surface-900);
}

.btn:hover {
  background: var(--surface-100);
  border-color: var(--surface-300);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn-primary {
  background: var(--surface-900);
  color: var(--surface-50);
  border-color: var(--surface-900);
}

.btn-primary:hover {
  background: var(--surface-800);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  background: var(--surface-800);
}

.input {
  background: var(--surface-900);
  border: 1px solid var(--surface-800);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: var(--surface-100);
  width: 100%;
  transition: var(--transition);
}

.input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}
/* Progress & Status */
.progress-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--surface-200);
  overflow: hidden;
  transition: var(--transition);
}

.progress-value {
  height: 100%;
  border-radius: 3px;
  background: var(--surface-800);
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid;
}

.status-badge.active {
  background: var(--surface-900);
  color: var(--surface-50);
  border-color: var(--surface-900);
}

.status-badge.pending {
  background: var(--surface-50);
  color: var(--surface-700);
  border-color: var(--surface-300);
}

.status-badge.inactive {
  background: var(--surface-100);
  color: var(--surface-500);
  border-color: var(--surface-200);
}
/* Status Indicators */
.status-indicator {
  position: relative;
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid;
}
.status-indicator.active {
  background: var(--surface-900);
  border-color: var(--surface-900);
}
.status-indicator.pending {
  background: var(--surface-50);
  border-color: var(--surface-500);
}

.status-indicator.inactive {
  background: var(--surface-100);
  border-color: var(--surface-400);
}
/* Chat Interface */
.chat-container {
  background: var(--surface-50);
  border-left: 1px solid var(--surface-200);
  height: 100vh;
  display: flex;
  flex-direction: column;
}
.chat-header {
  padding: 16px;
  border-bottom: 1px solid var(--surface-800);
  background: var(--surface-900);
  position: sticky;
  top: 0;
  z-index: 10;
}

.chat-messages {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}

.chat-message {
  margin-bottom: 16px;
  animation: fadeIn 0.3s ease-out;
}

.chat-input {
  padding: 16px;
  border-top: 1px solid var(--surface-800);
  background: var(--surface-900);
  position: sticky;
  bottom: 0;
}

.message-bubble {
  padding: 12px 16px;
  border-radius: 12px;
  max-width: 80%;
  position: relative;
}
.message-bubble.user {
  background: var(--surface-900);
  color: white;
  border-radius: 12px 12px 0 12px;
  margin-left: auto;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.message-bubble.agent {
  background: var(--surface-100);
  color: var(--surface-900);
  border-radius: 12px 12px 12px 0;
  margin-right: auto;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  border: 1px solid var(--surface-200);
}
.message-time {
  font-size: 0.75rem;
  color: var(--surface-400);
  margin-top: 4px;
  text-align: right;
}
/* Loading states */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .w-96 {
        width: 320px;
    }
    
    .w-64 {
        width: 240px;
    }
}

@media (max-width: 768px) {
    .flex {
        flex-direction: column;
    }
    
    .w-64 {
        width: 100%;
        height: auto;
    }
    
    .w-96 {
        width: 100%;
        height: 300px;
    }
}
/* Focus states for accessibility */
*:focus {
  outline: 2px solid var(--surface-700);
  outline-offset: 2px;
}

button:focus,
input:focus,
.nav-item:focus {
  outline: 2px solid var(--surface-800);
  outline-offset: 2px;
}

.btn:focus {
  box-shadow: 0 0 0 3px rgba(0,0,0,0.1);
}

.input:focus {
  box-shadow: 0 0 0 3px rgba(0,0,0,0.1);
}
/* Print styles */
@media print {
    .w-64,
    .w-96 {
        display: none;
    }
    
    .flex-1 {
        width: 100%;
    }
}

/* Custom utilities */
.chart-placeholder {
    background: var(--surface-50);
    border: 1px dashed var(--surface-300);
}
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}
/* Notification System */
.notification {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 1000;
  width: 320px;
  padding: 16px;
  border-radius: var(--radius);
  background: white;
  border: 1px solid var(--surface-300);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: flex-start;
  animation: slideInRight 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border-left: 4px solid var(--surface-800);
}
.notification {
  border-left-color: var(--surface-900);
}
.notification-icon {
  margin-right: 12px;
  flex-shrink: 0;
}

.notification-content {
  flex: 1;
}

.notification-title {
  font-weight: 600;
  margin-bottom: 4px;
}

.notification-message {
  font-size: 0.875rem;
  color: var(--surface-400);
}

.notification-close {
  background: none;
  border: none;
  color: var(--surface-400);
  cursor: pointer;
  margin-left: 8px;
}

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

/* Utility Classes */
.glass-effect {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--surface-200);
}
.hover-scale {
  transition: all 0.2s ease;
}

.hover-scale:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.hover-lift {
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.shadow-soft {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.shadow-medium {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.shadow-hard {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.shadow-xs {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.shadow-sm {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.shadow-md {
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.08);
}

.shadow-lg {
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}
/* Responsive */
@media (max-width: 1024px) {
  .sidebar {
    width: 240px;
  }
  
  .chat-panel {
    width: 300px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    position: fixed;
    z-index: 100;
    height: 100vh;
  }
  
  .sidebar.active {
    transform: translateX(0);
  }
  
  .chat-panel {
    position: fixed;
    right: -100%;
    top: 0;
    height: 100vh;
    transition: transform 0.3s ease-in-out;
  }
  
  .chat-panel.active {
    transform: translateX(-100%);
  }
}