/* ===================================
   EIDOLON LABS COMPONENT LIBRARY
   Advanced UI Components
   =================================== */

/* ===================================
   NOTIFICATION SYSTEM
   =================================== */

.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4);
  min-width: 300px;
  max-width: 500px;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  pointer-events: all;
  animation: slideInRight 0.3s ease-out;
  transition: all var(--transition-base);
}

.toast.removing {
  animation: slideOutRight 0.3s ease-out;
  opacity: 0;
  transform: translateX(100%);
}

.toast-success {
  border-left: 4px solid var(--color-success-600);
}

.toast-error {
  border-left: 4px solid var(--color-error-600);
}

.toast-warning {
  border-left: 4px solid var(--color-warning-600);
}

.toast-info {
  border-left: 4px solid var(--color-primary-600);
}

.toast-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.125rem;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: var(--line-height-normal);
}

.toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--color-gray-400);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-base);
  transition: all var(--transition-fast);
}

.toast-close:hover {
  color: var(--color-gray-600);
  background: var(--color-gray-100);
}

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

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

/* ===================================
   TABS COMPONENT
   =================================== */

.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-gray-200);
  margin-bottom: var(--space-6);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-gray-300) transparent;
}

.tabs::-webkit-scrollbar {
  height: 4px;
}

.tabs::-webkit-scrollbar-track {
  background: transparent;
}

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

.tab {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.tab:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: -2px;
}

.tab.active {
  color: var(--color-primary-600);
  background: white;
  border-bottom-color: var(--color-primary-600);
}

.tab-badge {
  background: var(--color-gray-200);
  color: var(--color-gray-700);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  min-width: 1.25rem;
  text-align: center;
}

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

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease-out;
}

.tab-content.active {
  display: block;
}

/* ===================================
   FILE UPLOAD COMPONENT
   =================================== */

.upload-area {
  position: relative;
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
  background: var(--color-gray-50);
}

.upload-area:hover {
  border-color: var(--color-primary-400);
  background: var(--color-primary-50);
}

.upload-area.dragover {
  border-color: var(--color-primary-600);
  background: var(--color-primary-100);
  transform: scale(1.02);
}

.upload-area:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  color: var(--color-gray-400);
}

.upload-area:hover .upload-icon {
  color: var(--color-primary-600);
}

.upload-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.upload-description {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--space-4);
}

.upload-input {
  display: none;
}

.upload-button {
  background: var(--color-primary-600);
  color: white;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.upload-button:hover {
  background: var(--color-primary-700);
}

/* File List */
.file-list {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.file-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.file-item:hover {
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-sm);
}

.file-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-lg);
}

.file-info {
  flex: 1;
  min-width: 0;
}

.file-name {
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-size {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

.file-remove {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--color-gray-400);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-base);
  transition: all var(--transition-fast);
}

.file-remove:hover {
  color: var(--color-error-600);
  background: var(--color-error-50);
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 0.5rem;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: var(--space-2) 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary-500), var(--color-accent-500));
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

/* ===================================
   METRICS & DATA VISUALIZATION
   =================================== */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.metric-card {
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  text-align: center;
  transition: all var(--transition-base);
}

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

.metric-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-600);
  margin-bottom: var(--space-2);
  line-height: 1;
}

.metric-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  font-weight: var(--font-weight-medium);
}

.metric-change {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  margin-top: var(--space-2);
}

.metric-change.positive {
  color: var(--color-success-600);
}

.metric-change.negative {
  color: var(--color-error-600);
}

/* Speedometer */
.speedometer {
  position: relative;
  width: 200px;
  height: 100px;
  margin: var(--space-6) auto;
}

.speedometer-gauge {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 100px 100px 0 0;
  background: conic-gradient(
    from 180deg,
    var(--color-error-500) 0deg,
    var(--color-warning-500) 60deg,
    var(--color-success-500) 120deg,
    var(--color-primary-500) 180deg
  );
  transform: rotate(180deg);
}

.speedometer-needle {
  position: absolute;
  width: 4px;
  height: 80px;
  background: var(--color-gray-900);
  border-radius: var(--radius-full);
  bottom: 0;
  left: 50%;
  transform-origin: bottom center;
  transform: translateX(-50%) rotate(-90deg);
  transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.speedometer-center {
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--color-gray-900);
  border-radius: 50%;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
}

/* ===================================
   DATA TABLE COMPONENT
   =================================== */

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.data-table th,
.data-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
}

.data-table th {
  background: var(--color-gray-50);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

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

.data-table td {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
}

/* Table Variants */
.data-table.striped tbody tr:nth-child(even) {
  background: var(--color-gray-50);
}

.data-table.compact th,
.data-table.compact td {
  padding: var(--space-2) var(--space-3);
}

.data-table.loose th,
.data-table.loose td {
  padding: var(--space-4) var(--space-5);
}

/* ===================================
   MODAL COMPONENT
   =================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgb(0 0 0 / 0.5);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  max-width: 90vw;
  max-height: 90vh;
  overflow: auto;
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-gray-400);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-xl);
  line-height: 1;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-gray-600);
  background: var(--color-gray-100);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--color-gray-200);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-content: flex-end;
}

/* ===================================
   LOADING STATES
   =================================== */

.loading-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-base);
}

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

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--space-2);
}

.skeleton-text.large {
  height: 1.5rem;
}

.skeleton-text.small {
  height: 0.75rem;
  width: 60%;
}

.skeleton-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
}

.skeleton-button {
  height: 2.5rem;
  width: 6rem;
  border-radius: var(--radius-lg);
}

/* ===================================
   ACCESSIBILITY ENHANCEMENTS
   =================================== */

/* Skip link removed */

/* Focus trap for modals */
.focus-trap {
  outline: none;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-gray-300: var(--color-gray-600);
    --color-gray-200: var(--color-gray-700);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===================================
   RESPONSIVE UTILITIES
   =================================== */

@media (max-width: 640px) {
  .modal {
    max-width: 100vw;
    max-height: 100vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }
  
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }
  
  .toast-container {
    top: auto;
    bottom: var(--space-4);
    right: var(--space-4);
    left: var(--space-4);
  }
  
  .toast {
    min-width: auto;
    max-width: none;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
  
  .speedometer {
    width: 150px;
    height: 75px;
  }
}