:root {
  color-scheme: light;
  --sand: #f7f0e7;
  --paper: #fff9f2;
  --ink: #1f1c16;
  --clay: #c05a3a;
  --moss: #2f4a3d;
  --shadow: 0 20px 60px rgba(31, 28, 22, 0.12);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Source Sans 3", "Gill Sans", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background-color: var(--sand);
  min-height: 100vh;
  position: relative;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(192, 90, 58, 0.16), transparent 45%),
    radial-gradient(circle at 78% 12%, rgba(47, 74, 61, 0.12), transparent 35%),
    linear-gradient(140deg, rgba(255, 249, 242, 0.92), rgba(247, 240, 231, 0.86));
  z-index: -1;
}

h1,
h2 {
  font-family: "Fraunces", "Georgia", serif;
  margin: 0 0 0.4rem;
}

p {
  margin: 0 0 1rem;
  line-height: 1.6;
}

code {
  font-family: "SFMono-Regular", "Menlo", "Monaco", monospace;
  background: rgba(31, 28, 22, 0.08);
  padding: 0.1rem 0.35rem;
  border-radius: 999px;
}

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.site-header {
  padding: 4.5rem 0 2.5rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.26em;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(31, 28, 22, 0.6);
}

.subtitle {
  max-width: 40rem;
  font-size: 1.1rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 2rem;
  padding-bottom: 4rem;
}

.panel-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.hint {
  font-size: 0.9rem;
  color: rgba(31, 28, 22, 0.6);
}

.gallery {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
}

.thumb {
  border: none;
  background: none;
  padding: 0;
  text-align: left;
  cursor: pointer;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transform: translateY(0);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  animation: fadeUp 0.5s ease both;
  animation-delay: var(--delay, 0ms);
}

.thumb:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 4px;
}

.thumb:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px rgba(31, 28, 22, 0.18);
}

.thumb img {
  display: block;
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.thumb span {
  display: block;
  padding: 0.7rem 0.9rem;
  font-weight: 600;
  background: var(--paper);
}

.thumb[aria-pressed="true"] {
  box-shadow: 0 0 0 2px var(--clay), var(--shadow);
}

.detail-panel {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
  position: sticky;
  top: 2rem;
  align-self: start;
  display: grid;
  gap: 1.2rem;
  animation: fadeIn 0.6s ease;
}

.detail-panel.is-refreshing {
  animation: fadeIn 0.6s ease;
}

.detail-image {
  border-radius: 18px;
  overflow: hidden;
  background: #f1e7dd;
}

.detail-image img {
  width: 100%;
  height: auto;
  display: block;
  touch-action: pan-y;
  transition: filter 0.3s ease, transform 0.3s ease;
}

.detail-image img.is-loading {
  filter: blur(6px);
  transform: scale(1.01);
}

.detail-meta {
  color: rgba(31, 28, 22, 0.5);
  font-size: 0.85rem;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.detail-comment {
  font-size: 1rem;
  color: rgba(31, 28, 22, 0.78);
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.2rem;
}

.action-button {
  border: none;
  cursor: pointer;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  background: var(--clay);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 10px 24px rgba(192, 90, 58, 0.28);
}

.action-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(192, 90, 58, 0.32);
}

.action-button:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 3px;
}

.action-button.outline {
  background: transparent;
  color: var(--clay);
  border: 1.5px solid rgba(192, 90, 58, 0.6);
  box-shadow: none;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0.3;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .detail-panel {
    position: static;
  }
}

@media (max-width: 600px) {
  .site-header {
    padding-top: 3rem;
  }

  .thumb img {
    height: 120px;
  }
}