/* Startr Design System */

/* ==========================================================================
   CSS Custom Properties - Design Tokens
   ========================================================================== */

:root {
  /* Primary Colors - Indigo/Purple accent */
  --color-primary-50: #eef2ff;
  --color-primary-100: #e0e7ff;
  --color-primary-200: #c7d2fe;
  --color-primary-300: #a5b4fc;
  --color-primary-400: #818cf8;
  --color-primary-500: #6366f1;
  --color-primary-600: #4f46e5;
  --color-primary-700: #4338ca;
  --color-primary-800: #3730a3;
  --color-primary-900: #312e81;
  
  /* Neutral Colors */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Semantic Colors */
  --color-success-50: #ecfdf5;
  --color-success-500: #10b981;
  --color-success-600: #059669;
  
  --color-warning-50: #fffbeb;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;
  
  --color-danger-50: #fef2f2;
  --color-danger-500: #ef4444;
  --color-danger-600: #dc2626;
  
  --color-info-50: #eff6ff;
  --color-info-500: #3b82f6;
  --color-info-600: #2563eb;
  
  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
  --shadow-glow-primary: 0 0 20px -5px rgb(99 102 241 / 0.4);
  --shadow-glow-success: 0 0 20px -5px rgb(16 185 129 / 0.4);
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-bounce: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.text-balance { 
  text-wrap: balance; 
}

/* ==========================================================================
   Sidebar Styles
   ========================================================================== */

#desktop-sidebar, #main-content {
  transition: all var(--transition-slow);
}

@media (max-width: 1023px) {
  #main-content {
    padding-left: 0 !important;
  }
}

/* Sidebar text elements - smooth fade */
.sidebar-logo-full .sidebar-text,
.nav-label {
  overflow: hidden;
  white-space: nowrap;
  opacity: 1;
  max-width: 200px;
  transition: opacity 0.2s ease 0.2s, max-width 0.25s ease 0.15s;
}

.sidebar-collapsed .sidebar-logo-full .sidebar-text,
.sidebar-collapsed .nav-label {
  opacity: 0;
  max-width: 0;
  transition: opacity 0.1s ease, max-width 0.15s ease;
}

/* Sidebar collapsed layout adjustments */
.sidebar-collapsed nav { padding-left: 0.5rem; padding-right: 0.5rem; }
.sidebar-collapsed nav a { justify-content: center; padding-left: 0.75rem; padding-right: 0.75rem; gap: 0; }
.sidebar-collapsed .sidebar-logo-full { justify-content: center; gap: 0; }
.sidebar-collapsed #sidebar-toggle-btn { margin: 0 auto; }

/* Sidebar header collapsed state */
.sidebar-header {
  transition: padding 0.3s ease;
}
.sidebar-collapsed .sidebar-header {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: auto;
  padding: 0.75rem 0.25rem;
  gap: 0.25rem;
}

/* Toggle icon smooth rotation */
.sidebar-toggle-icon {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.sidebar-collapsed .sidebar-toggle-icon {
  transform: rotate(180deg);
}

/* Sidebar navigation items */
#desktop-sidebar nav a {
  transition: gap 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.2s ease, color 0.2s ease;
}

#desktop-sidebar .sidebar-logo-full {
  transition: gap 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-item {
  position: relative;
  transition: all var(--transition-base);
}

.nav-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, var(--color-primary-500), var(--color-primary-600));
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
  transition: height var(--transition-base);
}

.nav-item.active::before,
.nav-item:hover::before {
  height: 60%;
}

.nav-item.active {
  background: linear-gradient(90deg, var(--color-primary-50), transparent);
}

/* ==========================================================================
   Button Styles
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.25rem;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn:hover::after {
  opacity: 1;
}

.btn:active {
  transform: scale(0.98);
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  color: white;
  border: none;
  box-shadow: var(--shadow-sm), var(--shadow-glow-primary);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
  box-shadow: var(--shadow-md), var(--shadow-glow-primary);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

/* Secondary Button */
.btn-secondary {
  background: white;
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-sm);
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--color-gray-600);
  border: none;
}

.btn-ghost:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-900);
}

/* Success Button */
.btn-success {
  background: linear-gradient(135deg, var(--color-success-500), var(--color-success-600));
  color: white;
  border: none;
  box-shadow: var(--shadow-sm), var(--shadow-glow-success);
}

.btn-success:hover {
  box-shadow: var(--shadow-md), var(--shadow-glow-success);
  transform: translateY(-1px);
}

/* Danger Button */
.btn-danger {
  background: linear-gradient(135deg, var(--color-danger-500), var(--color-danger-600));
  color: white;
  border: none;
}

.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-warning {
  background: linear-gradient(135deg, var(--color-warning-500), var(--color-warning-600));
  color: white;
  border: none;
}

.btn-warning:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Button Sizes */
.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

/* Icon Button */
.btn-icon {
  padding: 0.5rem;
  border-radius: var(--radius-lg);
}

/* ==========================================================================
   Card Styles
   ========================================================================== */

.card {
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-200);
}

.card-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-gray-100);
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-gray-100);
  background: var(--color-gray-50);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* Gradient Card Variants */
.card-gradient-primary {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  border: none;
  color: white;
}

.card-gradient-success {
  background: linear-gradient(135deg, var(--color-success-500), var(--color-success-600));
  border: none;
  color: white;
}

/* ==========================================================================
   Alert/Banner Styles
   ========================================================================== */

.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid;
}

.alert-info {
  background-color: var(--color-info-50);
  border-color: #bfdbfe;
}

.alert-success {
  background-color: var(--color-success-50);
  border-color: #a7f3d0;
}

.alert-warning {
  background-color: var(--color-warning-50);
  border-color: #fed7aa;
}

.alert-danger {
  background-color: var(--color-danger-50);
  border-color: #fecaca;
}

/* ==========================================================================
   KPI/Stats Card Styles
   ========================================================================== */

.stat-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 1px solid var(--color-gray-100);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-400), var(--color-primary-600));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.stat-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-bounce);
}

.stat-card:hover .stat-icon {
  transform: scale(1.1);
}

.stat-value {
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-gray-900);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-top: 0.25rem;
}

.stat-delta {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
}

.stat-delta-positive {
  background: var(--color-success-50);
  color: var(--color-success-600);
}

.stat-delta-negative {
  background: var(--color-danger-50);
  color: var(--color-danger-600);
}

/* ==========================================================================
   Form Styles
   ========================================================================== */

.form-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-gray-900);
  background: white;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xs);
}

.form-input:hover {
  border-color: var(--color-gray-400);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-input:disabled {
  background: var(--color-gray-50);
  color: var(--color-gray-500);
  cursor: not-allowed;
}

/* Input with icon */
.input-with-icon {
  position: relative;
}

.input-with-icon .input-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-400);
  pointer-events: none;
  transition: color var(--transition-base);
}

.input-with-icon .form-input {
  padding-left: 2.5rem;
}

.input-with-icon:focus-within .input-icon {
  color: var(--color-primary-500);
}

/* Form Label */
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: 0.375rem;
}

/* Form Group */
.form-group {
  margin-bottom: 1.25rem;
}

/* Select */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

/* Checkbox & Radio */
.form-checkbox,
.form-radio {
  width: 1rem;
  height: 1rem;
  border: 1.5px solid var(--color-gray-300);
  background: white;
  transition: all var(--transition-base);
  cursor: pointer;
}

.form-checkbox {
  border-radius: var(--radius-sm);
}

.form-radio {
  border-radius: 50%;
}

.form-checkbox:checked,
.form-radio:checked {
  background: var(--color-primary-500);
  border-color: var(--color-primary-500);
}

/* ==========================================================================
   Badge/Tag Styles
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.badge-primary {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
}

.badge-success {
  background: var(--color-success-50);
  color: var(--color-success-600);
}

.badge-warning {
  background: var(--color-warning-50);
  color: var(--color-warning-600);
}

.badge-danger {
  background: var(--color-danger-50);
  color: var(--color-danger-600);
}

.badge-info {
  background: var(--color-info-50);
  color: var(--color-info-600);
}

.badge-gray {
  background: var(--color-gray-100);
  color: var(--color-gray-600);
}

/* Status badges with dot */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.badge-status::before {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

.badge-status-active::before {
  background: var(--color-success-500);
}

.badge-status-pending::before {
  background: var(--color-warning-500);
}

.badge-status-paused::before {
  background: var(--color-gray-400);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ==========================================================================
   Table Styles
   ========================================================================== */

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
}

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

.table th {
  background: var(--color-gray-50);
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
  border-bottom: 1px solid var(--color-gray-200);
}

.table td {
  padding: 1rem;
  border-bottom: 1px solid var(--color-gray-100);
  font-size: 0.875rem;
  color: var(--color-gray-700);
}

.table tbody tr {
  transition: background var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--color-gray-50);
}

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

/* ==========================================================================
   Progress Bar Styles
   ========================================================================== */

.progress {
  height: 0.5rem;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  background: linear-gradient(90deg, var(--color-primary-400), var(--color-primary-600));
}

.progress-bar-success {
  background: linear-gradient(90deg, var(--color-success-400), var(--color-success-600));
}

.progress-bar-warning {
  background: linear-gradient(90deg, var(--color-warning-400), var(--color-warning-600));
}

.progress-bar-animated {
  animation: progress-shine 1.5s infinite;
  background-size: 200% 100%;
}

@keyframes progress-shine {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==========================================================================
   Toast/Notification Styles
   ========================================================================== */

.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: toast-in 0.3s ease-out;
  transform-origin: bottom right;
}

.toast-success {
  background: var(--color-success-600);
  color: white;
}

.toast-error {
  background: var(--color-danger-600);
  color: white;
}

.toast-info {
  background: var(--color-info-600);
  color: white;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(1rem) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(1rem) scale(0.95);
  }
}

/* ==========================================================================
   Modal Styles
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 50;
  animation: fade-in var(--transition-base);
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 51;
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 90vw;
  max-height: 90vh;
  overflow: hidden;
  animation: modal-in var(--transition-slow);
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

/* ==========================================================================
   Animation Utilities
   ========================================================================== */

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(0.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-down {
  from {
    opacity: 0;
    transform: translateY(-0.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slide-in-right {
  from {
    opacity: 0;
    transform: translateX(1rem);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes bounce-in {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Animation Classes */
.animate-fade-in {
  animation: fade-in var(--transition-base);
}

.animate-fade-in-up {
  animation: fade-in-up var(--transition-slow);
}

.animate-fade-in-down {
  animation: fade-in-down var(--transition-slow);
}

.animate-slide-in-right {
  animation: slide-in-right var(--transition-slow);
}

.animate-scale-in {
  animation: scale-in var(--transition-base);
}

.animate-bounce-in {
  animation: bounce-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Staggered animations for lists */
.animate-stagger > *:nth-child(1) { animation-delay: 0ms; }
.animate-stagger > *:nth-child(2) { animation-delay: 50ms; }
.animate-stagger > *:nth-child(3) { animation-delay: 100ms; }
.animate-stagger > *:nth-child(4) { animation-delay: 150ms; }
.animate-stagger > *:nth-child(5) { animation-delay: 200ms; }
.animate-stagger > *:nth-child(6) { animation-delay: 250ms; }

/* Loading Skeleton */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 25%,
    var(--color-gray-100) 50%,
    var(--color-gray-200) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* Spinner */
.spinner {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--color-gray-200);
  border-top-color: var(--color-primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Pulse animation for live indicators */
.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ==========================================================================
   Hover Effects
   ========================================================================== */

.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hover-glow:hover {
  box-shadow: var(--shadow-glow-primary);
}

.hover-scale {
  transition: transform var(--transition-bounce);
}

.hover-scale:hover {
  transform: scale(1.02);
}

/* ==========================================================================
   Empty State Styles
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
}

.empty-state-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1rem;
  color: var(--color-gray-300);
}

.empty-state-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: 0.5rem;
}

.empty-state-description {
  color: var(--color-gray-500);
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Scenario Step Cards
   ========================================================================== */

.step-card {
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  overflow: hidden;
}

.step-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-200);
}

.step-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-100);
  cursor: pointer;
  transition: background var(--transition-base);
}

.step-card-header:hover {
  background: var(--color-gray-100);
}

.step-card-body {
  padding: 1.25rem;
}

.step-card-expanded .step-card-body {
  animation: fade-in-down var(--transition-base);
}

.step-number {
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.step-number-completed {
  background: linear-gradient(135deg, var(--color-success-500), var(--color-success-600));
}

/* AI Draft Box */
.ai-draft-box {
  background: linear-gradient(135deg, var(--color-gray-50), white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 1rem;
  position: relative;
}

.ai-draft-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary-400), var(--color-primary-600));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* ==========================================================================
   Dropdown Menu Styles
   ========================================================================== */

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  min-width: 12rem;
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-lg);
  z-index: 50;
  animation: fade-in-down var(--transition-fast);
  overflow: hidden;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  color: var(--color-gray-700);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.dropdown-item:hover {
  background: var(--color-gray-50);
  color: var(--color-gray-900);
}

.dropdown-divider {
  height: 1px;
  background: var(--color-gray-100);
  margin: 0.25rem 0;
}

/* ==========================================================================
   Channel Icons
   ========================================================================== */

.channel-icon {
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
}

.channel-icon-reddit { background: #ff4500; color: white; }
.channel-icon-linkedin { background: #0077b5; color: white; }
.channel-icon-x { background: #000; color: white; }
.channel-icon-email { background: var(--color-gray-600); color: white; }
.channel-icon-producthunt { background: #da552f; color: white; }

/* ==========================================================================
   Scrollbar Styles
   ========================================================================== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-400);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-gradient-primary {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
}

.bg-gradient-success {
  background: linear-gradient(135deg, var(--color-success-500), var(--color-success-600));
}

.border-gradient {
  border: 1px solid transparent;
  background: linear-gradient(white, white) padding-box,
              linear-gradient(135deg, var(--color-primary-400), var(--color-primary-600)) border-box;
}

.glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
}

.truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.truncate-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Focus ring utility */
.focus-ring:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

/* Divider */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gray-200), transparent);
  margin: 1.5rem 0;
}