static/css/ui-enhancements.css

/**
 * UI Enhancements - Professional Grade
 * Complete styling for all components
 */

:root {
  /* Enhanced Color Palette */
  --primary: #2dd4bf;
  --primary-dark: #14b8a6;
  --primary-light: #5eead4;
  --secondary: #3b82f6;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
  
  /* Background Colors */
  --bg-primary: #0a0e27;
  --bg-secondary: #0f1419;
  --bg-card: rgba(15, 20, 25, 0.9);
  --bg-hover: rgba(255, 255, 255, 0.05);
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 8px 16px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Enhancements */
* {
  outline-color: var(--primary);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Enhanced Buttons */
.btn,
button:not(.unstyled) {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255,255,255,0.15) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
}

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

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Variants */
.btn-primary,
.btn-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(45, 212, 191, 0.3);
}

.btn-primary:hover,
.btn-gradient:hover {
  box-shadow: 0 6px 16px rgba(45, 212, 191, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

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

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

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

.btn-danger:hover {
  background: #dc2626;
}

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

.btn-warning:hover {
  background: #d97706;
}

/* Button Sizes */
.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* Icon Buttons */
.btn-icon {
  padding: 0.5rem;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: var(--transition);
}

.btn-icon:hover {
  background: var(--bg-hover);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Enhanced Cards */
.card,
.panel-card,
.stat-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: var(--transition);
  backdrop-filter: blur(20px);
}

.card:hover,
.panel-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* Enhanced Forms */
.form-input,
.form-select,
.form-textarea,
select,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea {
  width: 100%;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
select:focus,
input:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.1);
  background: rgba(255, 255, 255, 0.08);
}

.form-input:disabled,
.form-select:disabled,
select:disabled,
input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Enhanced Select with Icon */
.form-select,
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1.25rem;
  padding-right: 2.5rem;
}

/* Loading States */
.spinner,
.loading-spinner {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 3rem;
  text-align: center;
}

/* Enhanced Toast/Notifications */
.toast,
#toast-container > div {
  position: fixed;
  top: 1rem;
  right: 1rem;
  min-width: 300px;
  max-width: 500px;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
  animation: slideInRight 0.3s ease-out;
  z-index: 9999;
}

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

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.error {
  border-left: 4px solid var(--danger);
}

.toast.warning {
  border-left: 4px solid var(--warning);
}

.toast.info {
  border-left: 4px solid var(--info);
}

/* Enhanced Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal.active {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease-out;
}

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

.modal-content {
  position: relative;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(2rem);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Enhanced Icons */
svg:not(.unstyled) {
  flex-shrink: 0;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
}

.icon-sm {
  width: 1rem;
  height: 1rem;
}

.icon-lg {
  width: 2rem;
  height: 2rem;
}

.icon-xl {
  width: 3rem;
  height: 3rem;
}

/* Enhanced Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  border-radius: 9999px;
  white-space: nowrap;
}

.badge-primary {
  background: rgba(45, 212, 191, 0.2);
  color: var(--primary);
}

.badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

/* Enhanced Tooltips */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%) translateY(-0.25rem);
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  line-height: 1.2;
  white-space: nowrap;
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 9999;
}

[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Responsive Utilities */
@media (max-width: 768px) {
  .btn {
    font-size: 0.8125rem;
    padding: 0.5rem 1rem;
  }
  
  .card {
    padding: 1rem;
  }
  
  .modal-content {
    margin: 1rem;
  }
}

/* Enhanced Scrollbar */
::-webkit-scrollbar {
  width: 0.5rem;
  height: 0.5rem;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 0.25rem;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Enhanced Focus States */
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Enhanced Selection */
::selection {
  background: rgba(45, 212, 191, 0.3);
  color: var(--text-primary);
}

/* Accessibility Enhancements */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Enhanced Animations */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(-25%);
    animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
  }
  50% {
    transform: translateY(0);
    animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
  }
}

.bounce {
  animation: bounce 1s infinite;
}

/* Print Styles */
@media print {
  .btn,
  .modal,
  .toast,
  .sidebar {
    display: none !important;
  }
}