/* AutoPortofolio shared UI foundation.
   Keep this file focused on reusable tokens, components, and utilities so page-level CSS stays DRY. */

:root {
  /* Brand palette */
  --ap-color-primary: #0d6efd;
  --ap-color-secondary: #6f42c1;
  --ap-color-success: #20c997;
  --ap-color-danger: #ef4444;
  --ap-color-warning: #f59e0b;
  --ap-color-info: #06b6d4;

  /* Neutral palette */
  --ap-color-text: #334155;
  --ap-color-muted: #64748b;
  --ap-color-soft: #94a3b8;
  --ap-color-border: rgba(15, 23, 42, 0.08);
  --ap-color-border-strong: rgba(15, 23, 42, 0.16);
  --ap-color-surface: #ffffff;
  --ap-color-surface-muted: #f8fafc;
  --ap-color-page-start: #f8fafc;
  --ap-color-page-mid: #eef2ff;
  --ap-color-page-end: #ffffff;

  /* Gradients */
  --ap-gradient-brand: linear-gradient(135deg, var(--ap-color-primary) 0%, var(--ap-color-secondary) 45%, var(--ap-color-success) 100%);
  --ap-gradient-brand-compact: linear-gradient(135deg, var(--ap-color-primary), var(--ap-color-secondary));
  --ap-gradient-page: linear-gradient(180deg, var(--ap-color-page-start) 0%, var(--ap-color-page-mid) 45%, var(--ap-color-page-end) 100%);
  --ap-gradient-soft-action: linear-gradient(135deg, rgba(13, 110, 253, 0.08), rgba(111, 66, 193, 0.08));

  /* Radius, spacing, and shadows */
  --ap-radius-sm: 0.75rem;
  --ap-radius-md: 1rem;
  --ap-radius-lg: 1.5rem;
  --ap-radius-xl: 2rem;
  --ap-radius-pill: 999px;
  --ap-space-card: 1.5rem;
  --ap-space-card-lg: 2rem;
  --ap-shadow-sm: 0 10px 28px rgba(15, 23, 42, 0.10);
  --ap-shadow-md: 0 18px 48px rgba(15, 23, 42, 0.12);
  --ap-shadow-lg: 0 30px 80px rgba(15, 23, 42, 0.12);
  --ap-shadow-brand: 0 24px 60px rgba(13, 110, 253, 0.22);
  --ap-shadow-brand-lg: 0 30px 60px rgba(13, 110, 253, 0.30);

  /* Typography and interaction */
  --ap-font-size-eyebrow: 0.75rem;
  --ap-font-size-card-title: 1.1rem;
  --ap-font-size-metric: 1.85rem;
  --ap-letter-spacing-eyebrow: 0.08em;
  --ap-tap-target-min: 44px;
  --ap-transition-standard: 180ms ease;

  /* Responsive tokens */
  --ap-mobile-safe-bottom: 5.75rem;
}

.ap-page-shell {
  background: var(--ap-gradient-page);
  min-height: 100vh;
}

.ap-page-shell,
.ap-data-region,
.ap-card,
.ap-card-frame,
.ap-data-card {
  min-width: 0;
}

.ap-card,
.ap-card-frame,
.ap-data-card,
.ap-metric-tile {
  overflow-wrap: break-word;
}

.ap-data-region img,
.ap-data-region canvas,
.ap-data-region svg {
  max-width: 100%;
}

.ap-card {
  background: var(--ap-color-surface);
  border: 1px solid var(--ap-color-border);
  border-radius: var(--ap-radius-lg);
  box-shadow: var(--ap-shadow-md);
  padding: var(--ap-space-card);
}

.ap-card-frame {
  background: var(--ap-color-surface);
  border: 1px solid var(--ap-color-border);
  border-radius: var(--ap-radius-lg);
  box-shadow: var(--ap-shadow-md);
}

.ap-card--elevated {
  box-shadow: var(--ap-shadow-lg);
}

.ap-card--soft-action {
  background: var(--ap-gradient-soft-action);
  border-color: rgba(13, 110, 253, 0.15);
}

.ap-card__header {
  align-items: flex-start;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.ap-card__title {
  color: var(--ap-color-text);
  font-size: var(--ap-font-size-card-title);
  font-weight: 700;
  margin: 0;
}

.ap-metric-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.ap-metric-tile {
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--ap-radius-lg);
  box-shadow: var(--ap-shadow-brand);
  padding: 1.75rem;
}

.ap-metric-tile__label {
  font-size: var(--ap-font-size-eyebrow);
  letter-spacing: var(--ap-letter-spacing-eyebrow);
  opacity: 0.75;
  text-transform: uppercase;
}

.ap-metric-tile__value {
  display: block;
  font-size: var(--ap-font-size-metric);
  font-weight: 700;
  margin-top: 0.35rem;
}

.ap-metric-tile__delta {
  font-size: 0.85rem;
  font-weight: 600;
}

.ap-status-badge {
  align-items: center;
  border-radius: var(--ap-radius-pill);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 700;
  gap: 0.35rem;
  line-height: 1;
  min-height: 1.75rem;
  padding: 0.35rem 0.65rem;
  white-space: nowrap;
}

.ap-status-badge--success {
  background: rgba(32, 201, 151, 0.14);
  color: #087f5b;
}

.ap-filter-strip {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  max-width: 100%;
  padding-bottom: 0.15rem;
}

.ap-filter-strip > * {
  flex: 0 0 auto;
}

.ap-filter-chip {
  align-items: center;
  background: var(--ap-color-surface);
  border: 1px solid var(--ap-color-border-strong);
  border-radius: var(--ap-radius-pill);
  color: var(--ap-color-muted);
  display: inline-flex;
  font-weight: 700;
  justify-content: center;
  min-height: var(--ap-tap-target-min);
  padding: 0.55rem 0.9rem;
  transition: background-color var(--ap-transition-standard), border-color var(--ap-transition-standard), color var(--ap-transition-standard), box-shadow var(--ap-transition-standard);
  white-space: nowrap;
}

.ap-filter-chip:hover,
.ap-filter-chip:focus,
.ap-filter-chip.is-active {
  background: rgba(13, 110, 253, 0.10);
  border-color: rgba(13, 110, 253, 0.35);
  color: var(--ap-color-primary);
  outline: none;
}

.ap-empty-state,
.ap-data-state {
  background: var(--ap-color-surface-muted);
  border: 1px dashed var(--ap-color-border-strong);
  border-radius: var(--ap-radius-lg);
  color: var(--ap-color-muted);
  padding: clamp(1.25rem, 4vw, 2rem);
  text-align: center;
}

.ap-empty-state__icon {
  color: var(--ap-color-primary);
  display: block;
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.ap-loading-state {
  align-items: center;
  background: var(--ap-color-surface-muted);
  border: 1px solid var(--ap-color-border);
  border-radius: var(--ap-radius-md);
  color: var(--ap-color-muted);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 5.5rem;
  padding: 1rem;
  text-align: center;
}

.ap-data-region {
  min-width: 0;
}

.ap-data-region__hint {
  align-items: center;
  background: rgba(13, 110, 253, 0.08);
  border: 1px solid rgba(13, 110, 253, 0.14);
  border-radius: var(--ap-radius-pill);
  color: var(--ap-color-muted);
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 600;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
  padding: 0.45rem 0.75rem;
}

.ap-data-card-list {
  display: grid;
  gap: 0.75rem;
  min-width: 0;
}

.ap-data-card {
  background: var(--ap-color-surface);
  border: 1px solid var(--ap-color-border);
  border-radius: var(--ap-radius-md);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  min-width: 0;
  overflow: hidden;
}

.ap-data-accordion .accordion-item {
  border: 1px solid var(--ap-color-border);
}

.ap-data-accordion__toggle {
  min-height: var(--ap-tap-target-min);
}

.ap-horizontal-tabs {
  -webkit-overflow-scrolling: touch;
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
}

.ap-horizontal-tabs .nav-item {
  flex: 0 0 auto;
}

.ap-horizontal-tabs .nav-link {
  align-items: center;
  display: inline-flex;
  justify-content: center;
  min-height: var(--ap-tap-target-min);
  white-space: nowrap;
}

.ap-pagination-strip {
  max-width: 100%;
  position: relative;
}

.ap-pagination-strip .pagination {
  flex-wrap: nowrap;
  gap: 0.25rem;
  justify-content: flex-start;
  margin-bottom: 0;
  min-width: max-content;
}

.ap-pagination-strip .page-link {
  align-items: center;
  border-radius: var(--ap-radius-sm);
  display: inline-flex;
  justify-content: center;
  min-height: var(--ap-tap-target-min);
  min-width: var(--ap-tap-target-min);
}

.ap-scroll-x-fade {
  position: relative;
}

.ap-scroll-x-fade::after {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), var(--ap-color-surface));
  bottom: 0;
  content: '';
  pointer-events: none;
  position: absolute;
  right: 0;
  top: 0;
  width: 2rem;
}

.ap-scroll-x {
  -webkit-overflow-scrolling: touch;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

.ap-scroll-x > * {
  scroll-snap-align: start;
}

.ap-snap-x {
  scroll-snap-type: x proximity;
}

.ap-tap-target {
  align-items: center;
  display: inline-flex;
  gap: 0.35rem;
  justify-content: center;
  min-height: var(--ap-tap-target-min);
}

.ap-mobile-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.ap-text-balance {
  text-wrap: balance;
}

.ap-safe-bottom-space {
  padding-bottom: var(--ap-mobile-safe-bottom);
}

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

@media (max-width: 575.98px) {
  :root {
    --ap-font-size-metric: 1.35rem;
    --ap-space-card: 1rem;
    --ap-space-card-lg: 1rem;
  }

  .ap-card,
  .ap-metric-tile,
  .ap-empty-state,
  .ap-data-state,
  .ap-data-card,
  .ap-loading-state {
    border-radius: var(--ap-radius-md);
    box-shadow: var(--ap-shadow-sm);
  }

  .ap-metric-grid {
    gap: 0.75rem;
    grid-template-columns: 1fr;
  }

  .ap-filter-strip {
    margin-left: -1rem;
    margin-right: -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .ap-mobile-stack {
    align-items: stretch;
    flex-direction: column;
  }

  .ap-mobile-stack > .btn,
  .ap-mobile-stack > button,
  .ap-mobile-stack > a {
    justify-content: center;
    min-height: var(--ap-tap-target-min);
    width: 100%;
  }

  .ap-data-region__hint {
    border-radius: var(--ap-radius-md);
    display: flex;
    line-height: 1.35;
  }

  .ap-data-card-list {
    gap: 0.65rem;
  }

  .ap-data-card {
    border-radius: var(--ap-radius-md);
    box-shadow: var(--ap-shadow-sm);
  }

  .ap-data-region .row,
  .ap-data-region [class*="col-"],
  .ap-data-region .card-body,
  .ap-data-region .input-group,
  .ap-card .card-body,
  .ap-card-frame .card-body {
    min-width: 0;
  }

  .ap-data-region .form-control,
  .ap-data-region .btn,
  .ap-card .form-control,
  .ap-card .btn {
    font-size: 0.95rem;
  }

  .ap-pagination-strip {
    margin-left: -0.25rem;
    margin-right: -0.25rem;
  }

  .ap-pagination-strip .pagination {
    padding-left: 0.25rem;
    padding-right: 1.5rem;
  }

  .ap-scroll-x-fade::after {
    width: 1.25rem;
  }

  .ap-horizontal-tabs {
    margin-left: -1rem;
    margin-right: -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
  }
}