/* ========================================
   UI Component Library Styles
   ======================================== */

/* Card Component */
.ui-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.ui-card--elevated {
  box-shadow: var(--shadow-md);
  border: none;
}

.ui-card--outlined {
  border: 2px solid var(--color-border);
  background: transparent;
}

.ui-card--interactive {
  cursor: pointer;
  border: 1px solid var(--color-border);
}

.ui-card--interactive:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.ui-card-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.ui-card-header h3 {
  margin: 0;
  font-size: var(--text-xl);
  font-weight: 600;
}

.ui-card-body {
  color: var(--color-text);
}

.ui-card-footer {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* Button Component */
.ui-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.5;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

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

/* Button Variants */
.ui-btn--primary {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
}

.ui-btn--primary:hover:not(:disabled) {
  transform: scale(1.02);
  box-shadow: var(--glow-primary);
}

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

.ui-btn--secondary:hover:not(:disabled) {
  background: var(--color-surface);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.ui-btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: transparent;
}

.ui-btn--ghost:hover:not(:disabled) {
  background: var(--color-surface-alt);
  color: var(--color-primary);
}

.ui-btn--danger {
  background: var(--color-error);
  color: white;
  border-color: transparent;
}

.ui-btn--danger:hover:not(:disabled) {
  background: #ff5757;
  box-shadow: var(--glow-error);
  transform: scale(1.02);
}

.ui-btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.ui-btn--outline:hover:not(:disabled) {
  background: var(--color-primary);
  color: white;
}

/* Button Sizes */
.ui-btn--sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-sm);
}

.ui-btn--lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-lg);
}

.ui-btn--full {
  width: 100%;
}

.ui-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ui-btn-icon--leading {
  margin-right: calc(var(--space-xs) * -1);
}

.ui-btn-icon--trailing {
  margin-left: calc(var(--space-xs) * -1);
}

/* Badge Component */
.ui-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.ui-badge--sm {
  padding: 0.25rem var(--space-xs);
  font-size: 0.625rem;
}

.ui-badge--lg {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
}

.ui-badge--primary {
  background: rgba(31, 107, 255, 0.2);
  color: var(--color-primary);
  border: 1px solid rgba(31, 107, 255, 0.3);
}

.ui-badge--success {
  background: rgba(14, 169, 138, 0.2);
  color: var(--color-success);
  border: 1px solid rgba(14, 169, 138, 0.3);
}

.ui-badge--warning {
  background: rgba(255, 185, 81, 0.2);
  color: var(--color-warning);
  border: 1px solid rgba(255, 185, 81, 0.3);
}

.ui-badge--error {
  background: rgba(255, 59, 48, 0.2);
  color: var(--color-error);
  border: 1px solid rgba(255, 59, 48, 0.3);
}

.ui-badge--info {
  background: rgba(31, 107, 255, 0.2);
  color: var(--color-info);
  border: 1px solid rgba(31, 107, 255, 0.3);
}

/* Empty State Component */
.ui-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  min-height: 300px;
}

.ui-empty-state-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-lg);
  opacity: 0.6;
  color: var(--color-muted);
}

.ui-empty-state-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.ui-empty-state-description {
  color: var(--color-muted);
  max-width: 400px;
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.ui-empty-state-action {
  margin-top: var(--space-md);
}

/* Skeleton Component */
.ui-skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface-alt) 0%,
    var(--color-surface) 50%,
    var(--color-surface-alt) 100%
  );
  background-size: 200% 100%;
  border-radius: var(--radius-sm);
  display: block;
}

.ui-skeleton--animated {
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
}

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

.ui-skeleton--text {
  height: 1em;
  width: 100%;
  border-radius: var(--radius-sm);
}

.ui-skeleton--circular {
  border-radius: var(--radius-full);
  aspect-ratio: 1;
}

.ui-skeleton--rectangular {
  border-radius: var(--radius-md);
}

/* Modal Component */
.ui-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(4, 11, 24, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: var(--space-lg);
  animation: modal-fade-in var(--transition-slow);
}

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

.ui-modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  animation: modal-slide-up var(--transition-slow);
  overflow: hidden;
}

@keyframes modal-slide-up {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.ui-modal--sm {
  max-width: 400px;
}

.ui-modal--lg {
  max-width: 700px;
}

.ui-modal--xl {
  max-width: 900px;
}

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

.ui-modal-header h2 {
  margin: 0;
  font-size: var(--text-xl);
  font-weight: 600;
}

.ui-modal-close {
  background: transparent;
  border: none;
  color: var(--color-muted);
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  width: 32px;
  height: 32px;
}

.ui-modal-close:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.ui-modal-close:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.ui-modal-body {
  padding: var(--space-lg);
  overflow-y: auto;
  flex: 1;
  color: var(--color-text);
}

.ui-modal-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  z-index: 10001;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition);
}

.skip-link:focus {
  top: var(--space-md);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .ui-modal {
    max-width: 100%;
    margin: var(--space-md);
    max-height: calc(100vh - 2 * var(--space-md));
  }

  .ui-modal-header,
  .ui-modal-body,
  .ui-modal-footer {
    padding: var(--space-md);
  }

  .ui-btn--full {
    width: 100%;
  }
}

/* TopBar Component */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(12, 21, 45, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .top-bar {
  background: rgba(255, 255, 255, 0.95);
}

.top-bar-container {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  min-height: 72px;
}

.top-bar-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.top-bar-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.top-bar-brand-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.top-bar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  margin-left: auto;
  flex: 1;
  justify-content: center;
}

.top-bar-nav-link {
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition);
  white-space: nowrap;
}

.top-bar-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition);
}

.top-bar-nav-link:hover,
.top-bar-nav-link.active {
  color: var(--color-primary);
}

.top-bar-nav-link.active::after {
  width: 100%;
}

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: auto;
  flex-shrink: 0;
}

.top-bar-theme-toggle {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-xs);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  transition: all var(--transition);
}

.top-bar-theme-toggle:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-primary);
}

.top-bar-theme-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.theme-icon {
  position: absolute;
  transition: opacity var(--transition), transform var(--transition);
}

.theme-icon-sun {
  opacity: var(--theme-icon-sun-opacity, 0);
  transform: rotate(0deg);
}

[data-theme="light"] .theme-icon-sun {
  --theme-icon-sun-opacity: 1;
}

.theme-icon-moon {
  opacity: var(--theme-icon-moon-opacity, 1);
  transform: rotate(0deg);
}

[data-theme="light"] .theme-icon-moon {
  --theme-icon-moon-opacity: 0;
}

.top-bar-user-menu {
  position: relative;
}

.top-bar-user-button {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-xs);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  transition: all var(--transition);
}

.top-bar-user-button:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-primary);
}

.top-bar-user-button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.top-bar-user-dropdown {
  position: absolute;
  top: calc(100% + var(--space-xs));
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  padding: var(--space-xs);
  z-index: 1001;
  animation: dropdown-fade-in var(--transition);
}

@keyframes dropdown-fade-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.top-bar-user-item {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.top-bar-user-item:hover {
  background: var(--color-surface-alt);
}

.top-bar-user-item--danger {
  color: var(--color-error);
}

.top-bar-user-item--danger:hover {
  background: rgba(255, 59, 48, 0.1);
}

.top-bar-user-divider {
  margin: var(--space-xs) 0;
  border: none;
  border-top: 1px solid var(--color-border);
}

.top-bar-user-item-form {
  padding: 0;
  margin: 0;
}

.top-bar-mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-xs);
  color: var(--color-text);
  cursor: pointer;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.top-bar-mobile-toggle:hover {
  background: var(--color-surface-alt);
}

.top-bar-mobile-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .top-bar-mobile-toggle {
    display: flex;
  }

  .top-bar-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: var(--space-xl);
    gap: var(--space-md);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
    overflow-y: auto;
    z-index: 999;
  }

  .top-bar-nav[data-open="true"] {
    transform: translateX(0);
  }

  .top-bar-nav-link {
    padding: var(--space-md);
    font-size: var(--text-base);
    border-bottom: 1px solid var(--color-border);
  }

  .top-bar-nav-link::after {
    display: none;
  }
}

.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;
}

/* Table Component */
.ui-table-wrapper {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.ui-table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-alt);
}

.ui-table-title {
  margin: 0;
  font-size: var(--text-xl);
  font-weight: 600;
}

.ui-table-filters {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.ui-table-container {
  overflow-x: auto;
  position: relative;
}

.ui-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
}

.ui-table-head {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-surface-alt);
  border-bottom: 2px solid var(--color-border);
}

.ui-table-cell {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.ui-table-cell--header {
  font-weight: 600;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  background: var(--color-surface-alt);
  position: sticky;
  top: 0;
  z-index: 11;
}

.ui-table-body {
  background: var(--color-surface);
}

.ui-table-row {
  transition: background-color var(--transition);
}

.ui-table-row--hover:hover {
  background: var(--color-surface-alt);
}

.ui-table-row--selected {
  background: rgba(31, 107, 255, 0.1);
  border-left: 3px solid var(--color-primary);
}

.ui-table-empty-cell {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  color: var(--color-muted);
}

.ui-table-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-alt);
}

.ui-table--sm .ui-table-cell {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
}

.ui-table--lg .ui-table-cell {
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--text-lg);
}

/* Micro-interactions */
.ui-btn:active {
  transform: scale(0.98);
}

.ui-card--interactive {
  transform-style: preserve-3d;
  transition: transform var(--transition), box-shadow var(--transition);
}

.ui-card--interactive:hover {
  transform: translateY(-4px) rotateX(1deg);
  box-shadow: var(--shadow-lg);
}

.input-control,
.ui-table-cell input[type="text"],
.ui-table-cell input[type="number"],
.ui-table-cell select {
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input-control:focus,
.ui-table-cell input:focus,
.ui-table-cell select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(31, 107, 255, 0.2), var(--glow-primary);
}

/* Staggered animations */
.stagger-container > *:nth-child(1) {
  animation-delay: 0ms;
}

.stagger-container > *:nth-child(2) {
  animation-delay: 50ms;
}

.stagger-container > *:nth-child(3) {
  animation-delay: 100ms;
}

.stagger-container > *:nth-child(4) {
  animation-delay: 150ms;
}

.stagger-container > *:nth-child(5) {
  animation-delay: 200ms;
}

.stagger-container > *:nth-child(6) {
  animation-delay: 250ms;
}

.stagger-container > *:nth-child(7) {
  animation-delay: 300ms;
}

.stagger-container > *:nth-child(8) {
  animation-delay: 350ms;
}

.stagger-container > *:nth-child(n+9) {
  animation-delay: 400ms;
}

.stagger-container > *[data-observe] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.stagger-container > *[data-observe].animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .ui-modal-overlay,
  .ui-modal {
    animation: none;
  }

  .ui-skeleton--animated {
    animation: none;
  }

  .top-bar-user-dropdown {
    animation: none;
  }

  .ui-card--interactive:hover {
    transform: none;
  }

  .ui-btn:active {
    transform: none;
  }

  .stagger-container > *[data-observe] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}