/**
 * NanoTekno Molecular OS - Component Library
 * Reusable UI components
 */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0 var(--space-lg);
  height: 40px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-text-inverse);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
}

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

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.btn-danger {
  background-color: var(--color-error);
  color: #FFFFFF;
  border-color: var(--color-error);
}

.btn-danger:hover:not(:disabled) {
  background-color: #b91c1c;
  border-color: #b91c1c;
  color: #FFFFFF;
}

.btn-sm {
  height: 32px;
  padding: 0 var(--space-md);
  font-size: var(--font-size-xs);
}

.btn-lg {
  height: 48px;
  padding: 0 var(--space-xl);
  font-size: var(--font-size-base);
}

/* Input Fields */
.input-group {
  margin-bottom: var(--space-md);
}

.input-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.input-field, .select-field, .textarea-field {
  width: 100%;
  padding: 0 var(--space-md);
  height: 40px;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background-color: var(--color-bg-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-family: var(--font-family-base);
}

.textarea-field {
  height: auto;
  min-height: 80px;
  padding: var(--space-sm) var(--space-md);
  resize: vertical;
}

.input-field:focus, .select-field:focus, .textarea-field:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(15, 163, 177, 0.1);
}

.input-field::placeholder, .textarea-field::placeholder {
  color: var(--color-text-tertiary);
}

/* Search Input */
.search-input {
  position: relative;
}

.search-input .input-field {
  padding-left: var(--space-xl);
}

.search-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-tertiary);
  pointer-events: none;
}

/* Cards */
.card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: box-shadow var(--transition-fast);
}

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

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

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* KPI Card */
.kpi-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.kpi-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.kpi-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.kpi-change {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.kpi-change.positive { color: var(--color-success); }
.kpi-change.negative { color: var(--color-error); }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-received { background-color: var(--color-info-bg); color: var(--color-info); border: 1px solid var(--color-info-border); }
.badge-extraction { background-color: #FEF3C7; color: #92400E; border: 1px solid #FCD34D; }
.badge-amplification { background-color: #E0E7FF; color: #3730A3; border: 1px solid #A5B4FC; }
.badge-analysis { background-color: #F3E8FF; color: #6B21A8; border: 1px solid #D8B4FE; }
.badge-reporting { background-color: var(--color-success-bg); color: var(--color-success); border: 1px solid var(--color-success-border); }
.badge-rejected { background-color: var(--color-error-bg); color: var(--color-error); border: 1px solid var(--color-error-border); }
.badge-repeat { background-color: var(--color-warning-bg); color: var(--color-warning); border: 1px solid var(--color-warning-border); }
.badge-routine { background-color: var(--color-bg-tertiary); color: var(--color-text-secondary); border: 1px solid var(--color-border); }
.badge-urgent { background-color: #FEE2E2; color: #991B1B; border: 1px solid #FCA5A5; }

/* Tables */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-secondary);
}

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

.data-table thead {
  background-color: var(--color-bg-tertiary);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.data-table th {
  padding: var(--space-md);
  text-align: left;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
}

.data-table td {
  padding: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border-light);
}

.data-table tbody tr:hover {
  background-color: var(--color-bg-hover);
  cursor: pointer;
}

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

/* Tabs */
.tabs {
  display: flex;
  gap: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.tab {
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background-color: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 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(--space-lg);
  animation: fadeIn var(--transition-base);
}

.modal {
  background-color: var(--color-bg-base);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp var(--transition-base);
}

.modal-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  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-text-primary);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--color-text-tertiary);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

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

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

/* Drawer */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  animation: fadeIn var(--transition-base);
}

.drawer {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: 600px;
  max-width: 90vw;
  background-color: var(--color-bg-base);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  animation: slideInRight var(--transition-base);
  overflow-y: auto;
}

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

.drawer-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.drawer-body {
  flex: 1;
  padding: var(--space-lg);
  overflow-y: auto;
}

/* Toast */
.toast-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  background-color: var(--color-bg-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  animation: slideInRight var(--transition-base);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.toast-success { border-left: 4px solid var(--color-success); }
.toast-error { border-left: 4px solid var(--color-error); }
.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-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

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

/* Timeline */
.timeline {
  position: relative;
  padding-left: var(--space-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background-color: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-lg);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -26px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 2px solid var(--color-bg-base);
}

.timeline-content {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.timeline-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.timeline-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

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

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

.skeleton-card {
  height: 200px;
}

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

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

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

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

/* Demo Ribbon */
.demo-ribbon {
  background: linear-gradient(135deg, var(--color-warning), var(--color-accent));
  color: #FFFFFF;
  text-align: center;
  padding: var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  position: sticky;
  top: 0;
  z-index: var(--z-fixed);
}

/* Responsive */
@media (max-width: 640px) {
  .drawer { width: 100%; max-width: 100%; }
  .modal { max-width: 100%; }
  .toast { min-width: auto; max-width: calc(100vw - var(--space-xl)); }
}