/**
 * UI Components
 * Buttons, Cards, Badges, Forms, etc.
 */

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-weight: var(--font-medium);
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

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

/* Button sizes */
.btn-sm {
  height: 32px;
  padding: 0 var(--spacing-md);
  font-size: var(--text-sm);
}

.btn-md {
  height: 36px;
  padding: 0 var(--spacing-base);
  font-size: var(--text-sm);
}

.btn-lg {
  height: 44px;
  padding: 0 var(--spacing-xl);
  font-size: var(--text-base);
}

/* Button variants */
.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
  border: none;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  border: 2px solid var(--color-border);
  background-color: var(--color-card);
  color: var(--color-text);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: rgba(59, 130, 246, 0.05);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-destructive {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  border: none;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-destructive:hover {
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
  transform: translateY(-2px);
}

.btn-ghost {
  background-color: transparent;
  box-shadow: none;
}

.btn-ghost:hover {
  background-color: var(--color-muted);
}

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

.btn-full {
  width: 100%;
}

/* Button icons */
.btn svg {
  position: relative;
  z-index: 1;
}

/* ========== CARDS ========== */
.card {
  background-color: var(--color-card);
  color: var(--color-card-foreground);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card-hover:hover {
  border-color: rgba(95, 74, 232, 0.5);
}

.card-header {
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--spacing-sm);
}

.card-description {
  font-size: var(--text-sm);
  color: var(--color-muted-foreground);
}

.card-content {
  padding: var(--spacing-xl);
}

.card-footer {
  padding: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--spacing-md);
}

/* Critical/Warning/Success card variants */
.card-critical {
  border-color: var(--color-critical-border);
  background-color: var(--color-critical-bg);
}

.card-warning {
  border-color: var(--color-warning-border);
  background-color: var(--color-warning-bg);
}

.card-success {
  border-color: var(--color-success-border);
  background-color: var(--color-success-bg);
}

/* ========== BADGES ========== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--spacing-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  white-space: nowrap;
}

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

.badge-destructive {
  background-color: var(--color-destructive);
  color: var(--color-destructive-foreground);
}

.badge-warning {
  background-color: var(--color-warning);
  color: var(--color-accent-foreground);
}

.badge-success {
  background-color: var(--color-success);
  color: #FFFFFF;
}

.badge-outline {
  border-color: var(--color-border);
  background-color: transparent;
  color: var(--color-foreground);
}

/* ========== FORMS ========== */
.form-group {
  margin-bottom: var(--spacing-base);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  margin-bottom: var(--spacing-sm);
  color: var(--color-foreground);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  height: 36px;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--text-sm);
  border: 1px solid var(--color-input);
  border-radius: var(--radius-md);
  background-color: transparent;
  color: var(--color-foreground);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-ring);
  box-shadow: 0 0 0 3px rgba(95, 74, 232, 0.2);
}

.form-textarea {
  height: auto;
  min-height: 80px;
  resize: vertical;
  font-family: var(--font-mono);
}

.form-textarea-lg {
  min-height: 256px;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-muted-foreground);
}

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

/* Checkbox */
.form-checkbox {
  width: 16px;
  height: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  cursor: pointer;
}

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

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
  cursor: pointer;
}

/* ========== PROGRESS BAR ========== */
.progress {
  width: 100%;
  height: 8px;
  background-color: var(--color-muted);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--color-primary);
  transition: width var(--transition-slow);
  border-radius: var(--radius-full);
}

.progress-bar-destructive {
  background-color: var(--color-destructive);
}

.progress-bar-success {
  background-color: var(--color-success);
}

.progress-lg {
  height: 12px;
}

/* ========== TABLE ========== */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

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

.table thead {
  background-color: var(--color-muted);
  border-bottom: 1px solid var(--color-border);
}

.table th {
  padding: var(--spacing-md) var(--spacing-base);
  text-align: left;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-foreground);
}

.table td {
  padding: var(--spacing-md) var(--spacing-base);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

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

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

/* ========== MODAL/DIALOG ========== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-base);
}

.modal {
  background-color: var(--color-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  z-index: var(--z-modal);
}

.modal-header {
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
}

.modal-content {
  padding: var(--spacing-xl);
}

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

/* ========== TOAST NOTIFICATIONS ========== */
.toast-container {
  position: fixed;
  top: var(--spacing-base);
  right: var(--spacing-base);
  z-index: var(--z-tooltip);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 400px;
}

.toast {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-base);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  animation: slideIn 0.3s ease-out;
}

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

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

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

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

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

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  margin-bottom: 2px;
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--color-muted-foreground);
}

.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-muted-foreground);
  padding: 0;
}

.toast-close:hover {
  color: var(--color-foreground);
}

/* ========== LOADING SPINNER ========== */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--color-muted);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

/* ========== LOADING OVERLAY ========== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-base);
}

.loading-overlay-text {
  color: #FFFFFF;
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
}

/* ========== PROGRESS MODAL ========== */
.progress-modal-content {
  max-width: 600px;
  width: 90%;
}

.progress-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.progress-step {
  display: flex;
  gap: var(--spacing-base);
  align-items: flex-start;
  opacity: 0.4;
  transition: opacity 0.3s ease;
}

.progress-step.active {
  opacity: 1;
}

.progress-step.completed {
  opacity: 0.7;
}

.progress-step-icon {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.progress-step.active .progress-step-icon {
  background-color: var(--color-primary);
  color: white;
}

.progress-step.completed .progress-step-icon {
  background-color: var(--color-success);
  color: white;
}

.progress-step-icon .step-number {
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
}

.progress-step.active .step-number {
  display: none;
}

.progress-step.completed .step-number {
  display: none;
}

.progress-step.active .spinner {
  display: block !important;
}

.progress-step.completed .step-check {
  display: block !important;
}

.progress-step-content {
  flex: 1;
  padding-top: 4px;
}

.progress-step-title {
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  color: var(--color-foreground);
  margin-bottom: 4px;
}

.progress-step-description {
  font-size: var(--text-sm);
  color: var(--color-muted-foreground);
}

.progress-bar-container {
  margin-top: var(--spacing-lg);
}

.progress-text {
  font-size: var(--text-sm);
  color: var(--color-muted-foreground);
  font-weight: var(--font-medium);
}

/* ========== RESULT CARDS ========== */
.result-card {
  padding: var(--spacing-base);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-card);
}

.result-card-critical {
  border-left: 4px solid var(--color-destructive);
  background: rgba(239, 68, 68, 0.05);
}

.result-card-warning {
  border-left: 4px solid var(--color-warning);
  background: rgba(251, 191, 36, 0.05);
}

.result-card-borderline {
  border-left: 4px solid var(--color-primary);
  background: rgba(59, 130, 246, 0.05);
}

.result-card-normal {
  border-left: 4px solid var(--color-success);
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.result-name {
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
}

.result-value-critical {
  font-weight: var(--font-bold);
  font-size: var(--text-xl);
  color: var(--color-destructive);
}

.result-value-warning {
  font-weight: var(--font-bold);
  font-size: var(--text-xl);
  color: var(--color-warning);
}

.result-value-borderline {
  font-weight: var(--font-bold);
  font-size: var(--text-xl);
  color: var(--color-primary);
}

.result-value-normal {
  font-weight: var(--font-semibold);
  font-size: var(--text-lg);
  color: var(--color-success);
}

.result-reference {
  font-size: var(--text-sm);
  color: var(--color-muted-foreground);
}

.result-reasoning {
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

.result-guidelines {
  font-size: var(--text-sm);
  font-style: italic;
}

.card-header {
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.bg-destructive {
  background-color: var(--color-destructive);
}

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

.bg-primary {
  background-color: var(--color-primary);
}

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

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  line-height: 1;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-muted-foreground);
  margin-top: var(--spacing-xs);
}

.text-destructive {
  color: var(--color-destructive);
}

.text-warning {
  color: var(--color-warning);
}

.text-primary {
  color: var(--color-primary);
}

.text-success {
  color: var(--color-success);
}

.border-t {
  border-top: 1px solid var(--color-border);
}

.cursor-pointer {
  cursor: pointer;
}

.bg-opacity-10 {
  opacity: 0.1;
}

/* ========== DIVIDER ========== */
.divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--spacing-base) 0;
}

.divider-lg {
  margin: var(--spacing-xl) 0;
}

/* ========== AVATAR ========== */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: var(--text-sm);
}

.avatar-lg {
  width: 48px;
  height: 48px;
  font-size: var(--text-lg);
}

/* ========== TABS ========== */
.tabs {
  border-bottom: 1px solid var(--color-border);
}

.tabs-list {
  display: flex;
  gap: var(--spacing-base);
}

.tab {
  padding: var(--spacing-md) var(--spacing-base);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-muted-foreground);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
}

.tab:hover {
  color: var(--color-foreground);
}

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

.tab-content {
  padding: var(--spacing-xl) 0;
}

/* ========== ACCORDION ========== */
.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-base) 0;
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-base);
}

.accordion-trigger:hover {
  color: var(--color-primary);
}

.accordion-content {
  padding-bottom: var(--spacing-base);
  color: var(--color-muted-foreground);
}

.accordion-icon {
  transition: transform var(--transition-base);
}

.accordion-item-open .accordion-icon {
  transform: rotate(180deg);
}

/* ========== DROPDOWN ========== */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--spacing-sm);
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  z-index: var(--z-dropdown);
  padding: var(--spacing-sm) 0;
}

.dropdown-item {
  padding: var(--spacing-sm) var(--spacing-base);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.dropdown-item:hover {
  background-color: var(--color-muted);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--spacing-sm) 0;
}

/* ========== ALERT ========== */
.alert {
  padding: var(--spacing-base);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  margin-bottom: var(--spacing-base);
}

.alert-info {
  background-color: var(--color-info-bg);
  border-color: var(--color-info);
  color: var(--color-info);
}

.alert-success {
  background-color: var(--color-success-bg);
  border-color: var(--color-success);
  color: var(--color-success);
}

.alert-warning {
  background-color: var(--color-warning-bg);
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.alert-error {
  background-color: var(--color-critical-bg);
  border-color: var(--color-critical);
  color: var(--color-critical);
}

.alert-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--spacing-xs);
}

/* ========== FILE UPLOAD DROPZONE ========== */
.dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4xl);
  text-align: center;
  background-color: var(--color-muted);
  cursor: pointer;
  transition: all var(--transition-base);
}

.dropzone:hover,
.dropzone-active {
  border-color: var(--color-primary);
  background-color: rgba(95, 74, 232, 0.05);
}

.dropzone-icon {
  margin: 0 auto var(--spacing-base);
  width: 48px;
  height: 48px;
  color: var(--color-muted-foreground);
}

.dropzone-text {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  margin-bottom: var(--spacing-sm);
}

.dropzone-subtext {
  font-size: var(--text-sm);
  color: var(--color-muted-foreground);
}

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

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

.skeleton-text {
  height: 1em;
  margin-bottom: var(--spacing-sm);
}

.skeleton-title {
  height: 2em;
  width: 60%;
  margin-bottom: var(--spacing-base);
}

.skeleton-card {
  height: 200px;
}