/* Portfolio filters */
.portfolio-filters {
  position: fixed;
  top: var(--desktop-toolbar-height, 64px);
  left: var(--site-frame-offset);
  right: var(--site-frame-offset);
  max-width: var(--site-max-width);
  margin-inline: auto;
  z-index: 100;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sl-spacing-small) var(--sl-spacing-2x-small);
  padding: var(--sl-spacing-small) var(--sl-spacing-medium);
  background: var(--sl-color-neutral-0);
  border-bottom: 1px solid var(--sl-color-neutral-200);
  box-shadow: var(--sl-shadow-small);
}

html.sl-theme-dark .portfolio-filters {
  background: var(--sl-color-neutral-950);
  border-bottom-color: var(--sl-color-neutral-800);
}

.filter-pill {
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.filter-pill::part(base) {
  outline: none;
}

.filter-pill::part(base):focus,
.filter-pill::part(base):focus-visible {
  outline: none;
}

.filter-pill::part(base):hover {
  background-color: var(--color-secondary-subtle);
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.filter-pill--active::part(base) {
  background-color: var(--color-interactive-active);
  border-color: var(--color-interactive-active);
  color: var(--sl-color-neutral-0);
}

.filter-pill--active::part(base):hover {
  background-color: var(--color-interactive-active);
  border-color: var(--color-interactive-active);
  color: var(--sl-color-neutral-0);
}

.filter-pill--active::part(label) {
  color: var(--sl-color-neutral-0);
}

/* Portfolio container and grid */
.portfolio-container {
  padding: var(--sl-spacing-small) var(--sl-spacing-medium);
  padding-top: calc(var(--sl-spacing-small) + 48px); /* Clear fixed filter bar */
  padding-bottom: calc(var(--sl-spacing-small) + 44px); /* Clear sticky mini-footer */
  max-width: 100%;
}

.portfolio-grid {
  padding-top: var(--sl-spacing-small);
  display: grid;
  grid-template-columns: repeat(var(--portfolio-cols-desktop, 5), minmax(0, 1fr));
  gap: var(--sl-spacing-small);
}

.portfolio-item__image-wrapper {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--sl-border-radius-large);
  position: relative;
}

.portfolio-item__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  position: relative;
  z-index: 2;
}

/* Image protection styles */
.portfolio-item__image[style*="user-select: none"] {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
}

.portfolio-loading,
.portfolio-error {
  grid-column: 1 / -1;
  padding: var(--sl-spacing-large);
  text-align: center;
  color: var(--sl-color-neutral-600);
}

.portfolio-error {
  color: var(--sl-color-danger-600);
}

@media (max-width: 599px) {
  .portfolio-container {
    /* Dynamic padding based on actual filter bar height (set by JS) */
    /* Fallback: 56px = small button height (32px) + padding (16px) + border (1px) + small buffer (7px) */
    padding-top: calc(var(--portfolio-filter-height, 56px) + var(--sl-spacing-small));
    padding-left: 0;
    padding-right: 0;
    padding-bottom: calc(76px + var(--sl-spacing-small) + 44px); /* Clear bottom nav bar + sticky mini-footer */
  }
  
  .portfolio-grid {
    padding-top: 0px;
    grid-template-columns: repeat(var(--portfolio-cols-mobile, 3), minmax(0, 1fr));
    gap: var(--sl-spacing-2x-small);
  }
}

@media (min-width: 600px) {
  .portfolio-filters {
    left: calc(var(--site-frame-offset) + 80px);
  }
}

/* Persistent mini copyright footer shown while scrolling the portfolio grid */
.portfolio-sticky-footer {
  position: fixed;
  left: var(--site-frame-offset);
  right: var(--site-frame-offset);
  bottom: 73px; /* flush against the mobile bottom nav bar (measured height) */
  max-width: var(--site-max-width);
  margin-inline: auto;
  z-index: 40;
  text-align: center;
  padding: var(--sl-spacing-x-small) var(--sl-spacing-medium);
  background: var(--sl-color-neutral-0);
  border-top: 1px solid var(--sl-color-neutral-200);
}

.portfolio-sticky-footer__copyright {
  margin: 0;
  color: var(--sl-color-neutral-500);
  font-size: 0.875rem;
}

html.sl-theme-dark .portfolio-sticky-footer {
  background: var(--sl-color-neutral-950);
  border-top-color: var(--sl-color-neutral-800);
}

html.sl-theme-dark .portfolio-sticky-footer__copyright {
  color: var(--sl-color-neutral-500);
}

@media (min-width: 600px) {
  .portfolio-sticky-footer {
    left: calc(var(--site-frame-offset) + 80px);
    bottom: 0;
  }
}

.filter-pill[data-category="favorites"] {
  margin-left: auto;
}

.filter-pill[data-category="favorites"] svg {
  color: #e53e3e;
}

.filter-pill--active[data-category="favorites"] svg {
  color: var(--sl-color-neutral-0);
}

/* Empty state */
.portfolio-empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: var(--sl-spacing-2x-large) var(--sl-spacing-medium);
}

.portfolio-empty-state__content {
  text-align: center;
  max-width: 500px;
}

.portfolio-empty-state__title {
  font-size: 1.75rem;
  margin-bottom: var(--sl-spacing-medium);
  color: var(--sl-color-neutral-700);
  font-weight: 600;
}

.portfolio-empty-state__message {
  font-size: 1.1rem;
  color: var(--sl-color-neutral-600);
  line-height: 1.6;
  margin: 0;
}

html.sl-theme-dark .portfolio-empty-state__title {
  color: var(--sl-color-neutral-300);
}

html.sl-theme-dark .portfolio-empty-state__message {
  color: var(--sl-color-neutral-400);
}