:root {
  --accent: oklch(0.58 0.13 35);
  --bg: oklch(0.98 0.004 90);
  --bg-shimmer: oklch(0.90 0.006 90);
  --fg: oklch(0.15 0.005 90);
  --muted: oklch(0.42 0.01 90);
  --border: oklch(0.85 0.006 90);
  --stripe-bg: oklch(0.92 0.004 90);
  --stripe-line: oklch(0.87 0.006 90);
  --font: 'Outfit', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

:root[data-theme="dark"] {
  --bg: oklch(0.16 0.005 90);
  --bg-shimmer: oklch(0.27 0.008 90);
  --fg: oklch(0.95 0.004 90);
  --muted: oklch(0.65 0.01 90);
  --border: oklch(0.32 0.008 90);
  --stripe-bg: oklch(0.24 0.006 90);
  --stripe-line: oklch(0.30 0.008 90);
}

* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font); }
::selection { background: var(--accent); color: #fff; }
a { text-decoration: none; color: inherit; }

.page {
  background: linear-gradient(120deg, var(--bg) 0%, var(--bg-shimmer) 50%, var(--bg) 100%);
  background-size: 180% 180%;
  animation: bg-shimmer 22s ease-in-out infinite;
  color: var(--fg);
  font-family: var(--font);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: color 0.2s ease;
}

@keyframes bg-shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@media (prefers-reduced-motion: reduce) {
  .page {
    animation: none;
  }
}

.hero {
  padding: clamp(20px, 4vw, 28px) clamp(20px, 4vw, 48px) 24px;
}

.hero-inner {
  max-width: 1400px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
}

.hero-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-title {
  font-size: clamp(28px, 6vw, 48px);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.hero-tagline {
  margin: 8px 0 0;
  font-size: clamp(13px, 2vw, 15px);
  color: var(--muted);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-row {
  display: flex;
  gap: 12px;
}

.social-link,
.theme-toggle,
.gear-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: transparent;
  font-size: 13px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: 0.01em;
  cursor: pointer;
}

.gear-toggle {
  width: auto;
  padding: 0 14px;
  font-family: inherit;
}

.theme-toggle {
  width: 32px;
  height: 32px;
  padding: 0;
}

.theme-icon {
  width: 16px;
  height: 16px;
  background: var(--fg);
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0iYmxhY2siPjxwYXRoIGZpbGwtcnVsZT0iZXZlbm9kZCIgZD0iTTkuNTI4IDEuNzE4YS43NS43NSAwIDAgMSAuMTYyLjgxOUE4Ljk3IDguOTcgMCAwIDAgOSA2YTkgOSAwIDAgMCA5IDkgOC45NyA4Ljk3IDAgMCAwIDMuNDYzLS42OS43NS43NSAwIDAgMSAuOTgxLjk4IDEwLjUwMyAxMC41MDMgMCAwIDEtOS42OTQgNi40NmMtNS43OTkgMC0xMC41LTQuNzAxLTEwLjUtMTAuNSAwLTQuMzY4IDIuNjY3LTguMTEyIDYuNDYtOS42OTRhLjc1Ljc1IDAgMCAxIC44MTguMTYyWiIgY2xpcC1ydWxlPSJldmVub2RkIi8+PC9zdmc+") center / contain no-repeat;
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0iYmxhY2siPjxwYXRoIGZpbGwtcnVsZT0iZXZlbm9kZCIgZD0iTTkuNTI4IDEuNzE4YS43NS43NSAwIDAgMSAuMTYyLjgxOUE4Ljk3IDguOTcgMCAwIDAgOSA2YTkgOSAwIDAgMCA5IDkgOC45NyA4Ljk3IDAgMCAwIDMuNDYzLS42OS43NS43NSAwIDAgMSAuOTgxLjk4IDEwLjUwMyAxMC41MDMgMCAwIDEtOS42OTQgNi40NmMtNS43OTkgMC0xMC41LTQuNzAxLTEwLjUtMTAuNSAwLTQuMzY4IDIuNjY3LTguMTEyIDYuNDYtOS42OTRhLjc1Ljc1IDAgMCAxIC44MTguMTYyWiIgY2xpcC1ydWxlPSJldmVub2RkIi8+PC9zdmc+") center / contain no-repeat;
}

:root[data-theme="dark"] .theme-icon {
  -webkit-mask-image: url("data:image/svg+xml;base64,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");
  mask-image: url("data:image/svg+xml;base64,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");
}

.gallery-section {
  padding: 32px clamp(20px, 4vw, 48px) 96px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
}

.empty-hint {
  font-family: monospace;
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 20px;
}

.empty-hint code {
  color: var(--fg);
}

.masonry {
  column-width: 260px;
  column-gap: 16px;
}

@media (max-width: 600px) {
  .masonry {
    column-count: 2;
    column-width: auto;
    column-gap: 10px;
  }

  .photo-item,
  .placeholder-item {
    margin-bottom: 10px;
  }
}

.photo-item,
.placeholder-item {
  display: block;
  break-inside: avoid;
  margin: 0 0 16px;
  position: relative;
  border: 1px solid var(--border);
  overflow: hidden;
  cursor: pointer;
}

.photo-item {
  width: 100%;
  padding: 0;
  background: none;
  font: inherit;
  color: inherit;
}

.masonry img {
  display: block;
  width: 100%;
  height: auto;
}

.placeholder-item {
  background: repeating-linear-gradient(135deg, var(--stripe-bg) 0px, var(--stripe-bg) 14px, var(--stripe-line) 14px, var(--stripe-line) 28px);
}

.placeholder-label {
  position: absolute;
  bottom: 10px;
  left: 10px;
  font-family: monospace;
  font-size: 11px;
  color: var(--muted);
  background: var(--bg);
  padding: 2px 6px;
  border: 1px solid var(--border);
}

.gear-modal {
  position: fixed;
  inset: 0;
  background: oklch(0.1 0 0 / 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
  z-index: 100;
}

.gear-modal[hidden] {
  display: none;
}

.gear-panel {
  position: relative;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  max-width: 480px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: clamp(24px, 4vw, 40px);
}

.gear-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.gear-content h1,
.gear-content h2,
.gear-content h3 {
  margin: 0 0 12px;
}

.gear-content p,
.gear-content ul {
  margin: 0 0 12px;
  line-height: 1.5;
}

.gear-content ul {
  padding-left: 20px;
}

.gear-content a {
  text-decoration: underline;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: oklch(0.1 0 0 / 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
  z-index: 100;
}

.lightbox[hidden] {
  display: none;
}

.lightbox-img {
  max-width: 100%;
  max-height: 100%;
  display: block;
  box-shadow: 0 8px 40px oklch(0 0 0 / 0.4);
  transition: filter 0.25s ease;
}

.lightbox-img.is-loading {
  filter: blur(12px) brightness(0.85);
}

.lightbox-spinner {
  position: absolute;
  width: 40px;
  height: 40px;
  border: 3px solid oklch(1 0 0 / 0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: lightbox-spin 0.8s linear infinite;
}

@keyframes lightbox-spin {
  to { transform: rotate(360deg); }
}

.lightbox-caption {
  position: absolute;
  bottom: clamp(12px, 3vw, 24px);
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.01em;
  background: oklch(0 0 0 / 0.5);
  padding: 6px 14px;
}

.lightbox-close {
  position: absolute;
  top: clamp(12px, 3vw, 24px);
  right: clamp(12px, 3vw, 24px);
  width: 40px;
  height: 40px;
  border: 1px solid oklch(1 0 0 / 0.3);
  background: transparent;
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.site-footer {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  padding: 20px clamp(20px, 4vw, 48px) 32px;
  border-top: 1px solid var(--border);
}