:root {
  --color-primary: #e60023;
  --color-canvas: #ffffff;
  --color-surface-soft: #fbfbf9;
  --color-surface-card: #f6f6f3;
  --color-ink: #000000;
  --color-body: #33332e;
  --color-mute: #62625b;
  --color-hairline: #dadad3;

  --font-family: "Inter", system-ui, -apple-system, sans-serif;
  
  --radius-md: 16px;
  --radius-lg: 32px;
  --radius-full: 9999px;

  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-section: 64px;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-canvas);
  color: var(--color-body);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

/* Primary Nav */
.primary-nav {
  height: 64px;
  background-color: var(--color-canvas);
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 24px;
}

.logo {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 20px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links {
  display: flex;
  gap: 16px;
}

.nav-link {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
  padding: 12px 16px;
  border-radius: var(--radius-full);
  transition: background-color 0.2s;
}

.nav-link.active {
  background-color: var(--color-ink);
  color: var(--color-canvas);
}

.nav-link:hover:not(.active) {
  background-color: var(--color-surface-card);
}

/* Masonry Grid */
.masonry-container {
  padding: 24px;
  max-width: 1600px;
  margin: 0 auto;
}

.masonry-grid {
  column-count: 5;
  column-gap: var(--spacing-sm);
}

@media (max-width: 1440px) {
  .masonry-grid { column-count: 4; }
}
@media (max-width: 1024px) {
  .masonry-grid { column-count: 3; }
}
@media (max-width: 768px) {
  .masonry-grid { column-count: 2; }
}
@media (max-width: 480px) {
  .masonry-grid { column-count: 1; }
}

.pin-card {
  margin-bottom: var(--spacing-sm);
  break-inside: avoid;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-surface-card);
  position: relative;
  /* Removed shadow to match Pinterest flat style */
}

.pin-image {
  width: 100%;
  display: block;
  border-radius: var(--radius-md);
  transition: opacity 0.3s ease;
  
  /* Prevent image saving and dragging */
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
}

.pin-card:hover .pin-image {
  opacity: 0.9;
}

.hidden {
  display: none !important;
}

.load-more-container {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-section);
}

.load-more-btn {
  background-color: var(--color-surface-card);
  color: var(--color-ink);
  border: none;
  padding: 16px 32px;
  border-radius: var(--radius-full);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
}

.load-more-btn:hover {
  background-color: #eaeaea;
}

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