/* Karmic Leads Design System - Component Styles */

/* ============================================
   CARDS
   ============================================ */
.saas-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

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

.saas-card .card-header {
  background: transparent;
  border-bottom: 1px solid var(--border-color-light);
  padding: var(--space-md) var(--space-lg);
  font-weight: var(--font-semibold);
}

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

.saas-card .card-footer {
  background: var(--bg-muted);
  border-top: 1px solid var(--border-color-light);
  padding: var(--space-md) var(--space-lg);
}

/* Glass Card */
.saas-card-glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

/* ============================================
   METRIC CARDS
   ============================================ */
.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--metric-accent, var(--color-primary));
}

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

.metric-card .metric-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.metric-card .metric-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  line-height: var(--leading-tight);
}

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

.metric-card .metric-trend {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: var(--space-sm);
  padding: 2px 8px;
  border-radius: var(--border-radius-full);
}

.metric-trend-up {
  color: var(--color-success-dark);
  background: var(--color-success-light);
}

.metric-trend-down {
  color: var(--color-danger-dark);
  background: var(--color-danger-light);
}

/* Metric color variants */
.metric-card--primary { --metric-accent: var(--color-primary); }
.metric-card--success { --metric-accent: var(--color-success); }
.metric-card--warning { --metric-accent: var(--color-warning); }
.metric-card--danger { --metric-accent: var(--color-danger); }
.metric-card--info { --metric-accent: var(--color-info); }
.metric-card--accent { --metric-accent: var(--color-accent); }

/* ============================================
   BUTTONS
   ============================================ */
.btn-saas {
  font-family: var(--font-sans);
  font-weight: var(--font-medium);
  border-radius: var(--border-radius);
  padding: 0.5rem 1.25rem;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  font-size: var(--text-sm);
  line-height: 1.5;
}

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

.btn-saas-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--text-inverse);
  box-shadow: var(--shadow-glow);
}

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

.btn-saas-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: var(--color-slate-300);
}

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

.btn-saas-ghost:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

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

.btn-saas-danger:hover {
  background: var(--color-danger-dark);
  border-color: var(--color-danger-dark);
  color: var(--text-inverse);
}

.btn-saas-lg {
  padding: 0.75rem 1.75rem;
  font-size: var(--text-base);
  border-radius: var(--border-radius-lg);
}

.btn-saas-sm {
  padding: 0.25rem 0.75rem;
  font-size: var(--text-xs);
}

.btn-saas-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
}

/* ============================================
   BADGES
   ============================================ */
.saas-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.125rem 0.625rem;
  border-radius: var(--border-radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  line-height: 1.5;
}

.saas-badge-primary {
  background: var(--color-primary-50);
  color: var(--color-primary-dark);
}

.saas-badge-success {
  background: var(--color-success-light);
  color: var(--color-success-dark);
}

.saas-badge-warning {
  background: var(--color-warning-light);
  color: var(--color-warning-dark);
}

.saas-badge-danger {
  background: var(--color-danger-light);
  color: var(--color-danger-dark);
}

.saas-badge-info {
  background: var(--color-info-light);
  color: var(--color-info-dark);
}

.saas-badge-neutral {
  background: var(--color-slate-100);
  color: var(--color-slate-600);
}

/* ============================================
   TABLES
   ============================================ */
.saas-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.saas-table thead th {
  background: var(--bg-muted);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.saas-table thead th:first-child {
  border-top-left-radius: var(--border-radius);
}

.saas-table thead th:last-child {
  border-top-right-radius: var(--border-radius);
}

.saas-table tbody td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-color-light);
  font-size: var(--text-sm);
  color: var(--text-primary);
  vertical-align: middle;
}

.saas-table tbody tr:hover {
  background: var(--bg-surface-hover);
}

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

/* ============================================
   FORMS
   ============================================ */
.saas-input {
  font-family: var(--font-sans);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.5rem 0.75rem;
  font-size: var(--text-sm);
  color: var(--text-primary);
  background: var(--bg-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}

.saas-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.saas-input::placeholder {
  color: var(--text-muted);
}

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

/* ============================================
   PROGRESS BARS
   ============================================ */
.saas-progress {
  height: 8px;
  background: var(--color-slate-100);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.saas-progress-bar {
  height: 100%;
  border-radius: var(--border-radius-full);
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  transition: width var(--transition-slow);
}

.saas-progress-bar--success {
  background: linear-gradient(90deg, var(--color-success), var(--color-success-dark));
}

.saas-progress-bar--warning {
  background: linear-gradient(90deg, var(--color-warning), var(--color-warning-dark));
}

.saas-progress-bar--danger {
  background: linear-gradient(90deg, var(--color-danger), var(--color-danger-dark));
}

/* ============================================
   PERIOD / TAB SELECTORS
   ============================================ */
.saas-period-selector {
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.25rem;
  background: var(--color-slate-100);
  border-radius: var(--border-radius);
}

.saas-period-selector .period-btn {
  padding: 0.375rem 1rem;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.saas-period-selector .period-btn:hover {
  color: var(--text-primary);
}

.saas-period-selector .period-btn.active {
  background: var(--bg-surface);
  color: var(--text-primary);
  box-shadow: var(--shadow-xs);
}

/* ============================================
   EMPTY STATES
   ============================================ */
.saas-empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
}

.saas-empty-state .empty-icon {
  font-size: 3rem;
  color: var(--color-slate-300);
  margin-bottom: var(--space-md);
}

.saas-empty-state h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.saas-empty-state p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 400px;
  margin: 0 auto var(--space-lg);
}

/* ============================================
   LOADING SKELETON
   ============================================ */
.saas-skeleton {
  background: linear-gradient(90deg,
    var(--color-slate-100) 25%,
    var(--color-slate-200) 50%,
    var(--color-slate-100) 75%
  );
  background-size: 200% 100%;
  animation: saas-skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: var(--border-radius-sm);
}

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

.saas-skeleton-text {
  height: 1em;
  margin-bottom: 0.5em;
}

.saas-skeleton-text:last-child {
  width: 60%;
}

.saas-skeleton-circle {
  border-radius: 50%;
}

/* ============================================
   ALERTS / TOASTS
   ============================================ */
.saas-alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--border-radius);
  font-size: var(--text-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  border: 1px solid transparent;
}

.saas-alert-success {
  background: var(--color-success-light);
  color: var(--color-success-dark);
  border-color: var(--color-success);
}

.saas-alert-warning {
  background: var(--color-warning-light);
  color: var(--color-warning-dark);
  border-color: var(--color-warning);
}

.saas-alert-danger {
  background: var(--color-danger-light);
  color: var(--color-danger-dark);
  border-color: var(--color-danger);
}

.saas-alert-info {
  background: var(--color-info-light);
  color: var(--color-info-dark);
  border-color: var(--color-info);
}

/* ============================================
   STEPPER / WIZARD
   ============================================ */
.saas-stepper {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: var(--space-2xl);
}

.saas-stepper-step {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
  position: relative;
}

.saas-stepper-step:not(:last-child)::after {
  content: '';
  flex: 1;
  height: 2px;
  background: var(--border-color);
  margin: 0 var(--space-sm);
}

.saas-stepper-step.completed:not(:last-child)::after {
  background: var(--color-primary);
}

.saas-stepper-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border: 2px solid var(--border-color);
  color: var(--text-muted);
  background: var(--bg-surface);
  flex-shrink: 0;
}

.saas-stepper-step.active .saas-stepper-number {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-50);
}

.saas-stepper-step.completed .saas-stepper-number {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--text-inverse);
}

.saas-stepper-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  white-space: nowrap;
}

.saas-stepper-step.active .saas-stepper-label {
  color: var(--text-primary);
  font-weight: var(--font-medium);
}

.saas-stepper-step.completed .saas-stepper-label {
  color: var(--text-secondary);
}

/* ============================================
   AVATAR
   ============================================ */
.saas-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  background: var(--color-primary-100);
  color: var(--color-primary-dark);
  flex-shrink: 0;
}

.saas-avatar-sm {
  width: 28px;
  height: 28px;
  font-size: var(--text-xs);
}

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

/* ============================================
   DIVIDER
   ============================================ */
.saas-divider {
  border: none;
  border-top: 1px solid var(--border-color-light);
  margin: var(--space-lg) 0;
}

/* ============================================
   GRADIENT BACKGROUNDS
   ============================================ */
.bg-gradient-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.bg-gradient-hero {
  background: linear-gradient(135deg, var(--color-slate-900) 0%, var(--color-primary-dark) 100%);
}

.bg-gradient-subtle {
  background: linear-gradient(180deg, var(--color-primary-50) 0%, var(--bg-body) 100%);
}

.bg-gradient-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

/* ============================================
   TOOLTIP (CSS-only)
   ============================================ */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: 0.375rem 0.75rem;
  background: var(--color-slate-800);
  color: var(--text-inverse);
  font-size: var(--text-xs);
  border-radius: var(--border-radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

[data-tooltip]:hover::after {
  opacity: 1;
}

/* ============================================
   LIST GROUP (SaaS styled)
   ============================================ */
.saas-list-group {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.saas-list-item {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-color-light);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  transition: background var(--transition-fast);
}

.saas-list-item:last-child {
  border-bottom: none;
}

.saas-list-item:hover {
  background: var(--bg-surface-hover);
}

/* ============================================
   RISK BADGE (refined)
   ============================================ */
.risk-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.risk-badge--safe {
  background: var(--color-success-light);
  color: var(--color-success-dark);
}

.risk-badge--caution {
  background: var(--color-warning-light);
  color: var(--color-warning-dark);
}

.risk-badge--high {
  background: var(--color-danger-light);
  color: var(--color-danger-dark);
}

/* ============================================
   CONFIDENCE SCORE
   ============================================ */
.confidence-score {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.confidence-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.confidence-high .confidence-dot { background: var(--color-success); }
.confidence-medium .confidence-dot { background: var(--color-warning); }
.confidence-low .confidence-dot { background: var(--color-danger); }