:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --ink: #171717;
  --muted: #726f68;
  --line: #dcd9d2;
  --line-strong: #aaa69e;
  --radius: var(--gallery-gap);
  --section-gap: 64px;
  --gallery-gap: 8px;
  --item-gap: 14px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Optima, Candara, "Noto Sans", sans-serif;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
textarea {
  color: inherit;
  font: inherit;
}

button {
  cursor: pointer;
}

.page {
  padding: 48px 28px 88px;
}

.shell {
  width: min(100%, 608px);
  margin: 0 auto;
}

.page-gallery .shell {
  width: min(100%, 1180px);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero {
  margin-bottom: var(--gallery-gap);
}

.hero-gallery {
  max-width: 608px;
  margin-bottom: var(--gallery-gap);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.hero-gallery h1 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 9px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 1.65rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.intro-detail {
  color: var(--muted);
  font-size: 1rem;
  letter-spacing: 0;
  line-height: 1.35;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  gap: var(--gallery-gap);
}

.site-card {
  display: grid;
}

.site-preview {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #efede8;
}

.site-preview iframe,
.site-preview img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.site-preview iframe {
  background: #ffffff;
  pointer-events: none;
}

.site-preview img {
  object-fit: cover;
}

.preview-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.preview-hitbox {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.preview-open {
  position: absolute;
  padding: 7px 9px;
  background: rgba(251, 250, 247, 0.94);
  border: 1px solid rgba(23, 23, 23, 0.14);
  font-size: 0.75rem;
  letter-spacing: 0.01em;
  line-height: 1;
}

.preview-open {
  top: 10px;
  right: 10px;
  z-index: 4;
  text-decoration: none;
  opacity: 0;
  transition: opacity 160ms ease;
}

.site-preview:hover .preview-open,
.preview-open:focus-visible {
  opacity: 1;
}

.site-copy {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  align-items: end;
  padding: 64px 16px 15px;
  color: #ffffff;
  background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.78));
  pointer-events: none;
}

.site-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.site-title a {
  text-decoration: none;
  pointer-events: auto;
}

.site-title a::after {
  content: " ↗";
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.72em;
  vertical-align: 0.12em;
}

.site-title a:hover,
.site-title a:focus-visible,
.subtle-link:hover,
.subtle-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.12em;
}

.site-title a:focus-visible,
.preview-open:focus-visible,
.preview-hitbox:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 4px;
}

.site-description {
  max-width: 38rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.98rem;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.subtle-link {
  text-decoration: none;
}

.empty-state {
  padding: 24px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.hero-admin {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}

.page-admin {
  padding-top: 30px;
}

.admin-shell {
  width: min(100%, 720px);
}

.hero-admin h1 {
  font-size: 1.2rem;
}

.add-site {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.add-site summary {
  padding: 10px 0;
  cursor: pointer;
  color: var(--muted);
  font-size: 0.9rem;
  list-style: none;
}

.add-site summary::-webkit-details-marker {
  display: none;
}

.add-site summary::before {
  content: "+ ";
}

.add-site[open] summary::before {
  content: "− ";
}

.admin-panel {
  padding: 4px 0 16px;
}

.admin-item {
  padding: 14px 0;
  border: 1px solid var(--line);
  border-width: 1px 0 0;
  background: transparent;
}

.admin-form {
  display: grid;
  gap: 12px;
}

.admin-list {
  display: grid;
  gap: 0;
}

.form-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.admin-grid {
  display: grid;
  gap: 1px;
  padding-left: 58px;
}

.admin-field {
  display: grid;
  gap: 5px;
}

.admin-field span {
  color: var(--muted);
  font-size: 0.82rem;
}

.admin-field-wide {
  grid-column: 1 / -1;
}

.admin-field input,
.admin-field textarea,
.rank-field input {
  width: 100%;
  padding: 7px 0;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  outline: none;
}

.admin-field input:focus,
.admin-field textarea:focus,
.rank-field input:focus {
  border-color: rgba(17, 17, 17, 0.45);
}

.admin-field textarea {
  min-height: 34px;
  resize: vertical;
}

.admin-item .admin-field input,
.admin-item .admin-field textarea {
  border-bottom-color: transparent;
}

.admin-item .admin-field input:hover,
.admin-item .admin-field textarea:hover {
  border-bottom-color: var(--line);
}

.admin-title-field input {
  padding: 4px 0;
  font-size: 1rem;
}

.button,
.button-secondary,
.upload-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 2px;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-size: 0.88rem;
}

.button,
.upload-button {
  background: var(--ink);
  color: var(--bg);
}

.button-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.button-secondary:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.admin-actions-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.status {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 20;
  margin: 0;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(251, 250, 247, 0.96);
  color: var(--muted);
  font-size: 0.82rem;
  box-shadow: 0 4px 18px rgba(23, 23, 23, 0.08);
}

.status[data-error="true"] {
  color: #8b2a1d;
}

.admin-list-section {
  margin-top: 0;
}

.admin-item-head {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.rank-field {
  display: block;
  width: 46px;
}

.rank-field input {
  padding: 5px 2px;
  border: 1px solid var(--line);
  text-align: center;
}

.admin-item-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.admin-text-link {
  color: var(--muted);
  font-size: 0.84rem;
  text-decoration: none;
}

.admin-text-link:hover,
.admin-text-link:focus-visible {
  color: var(--ink);
}

.archive-state {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 400;
}

.archived-sites {
  display: grid;
  gap: 0;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line-strong);
}

.admin-section-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
}

.archived-sites .admin-item {
  opacity: 0.72;
}

.admin-preview-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  margin: 5px 0 0 58px;
}

.thumb {
  position: relative;
  overflow: hidden;
  width: 88px;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  background: #efede8;
}

.thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

  object-fit: contain;
  background: #ffffff;
}

.admin-preview-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.admin-item .upload-button {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.upload-button input {
  display: none;
}

.upload-status {
  color: var(--muted);
  font-size: 0.78rem;
}

.upload-status[data-error="true"] {
  color: #8b2a1d;
}

@media (max-width: 760px) {
  :root {
    --section-gap: 48px;
    --gallery-gap: 8px;
  }

  .page {
    padding: 28px 16px 64px;
  }

  .hero {
    margin-bottom: var(--gallery-gap);
  }

  .hero-gallery h1 {
    gap: 7px;
  }

  .gallery {
    gap: var(--gallery-gap);
  }

  .site-card {
  }

  .site-copy {
    gap: 4px;
    padding: 58px 14px 13px;
  }

  .site-title {
    font-size: 1.05rem;
  }

  .site-description {
    font-size: 0.94rem;
  }

  .preview-open {
    opacity: 1;
  }

  .hero-admin {
    display: flex;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .admin-item-head {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 8px;
  }

  .rank-field {
    width: 40px;
  }

  .admin-item-controls {
    grid-column: 2;
  }

  .admin-grid {
    padding-left: 48px;
  }

  .admin-preview-row {
    grid-template-columns: 76px minmax(0, 1fr);
    margin-left: 48px;
  }

  .thumb {
    width: 76px;
  }

  .admin-preview-actions,
  .admin-actions-row {
    align-items: center;
  }

  .add-site .button {
    width: 100%;
  }

  .status {
    right: 16px;
    bottom: 16px;
    left: 16px;
    text-align: center;
  }
}