/* Shared public components. Page-specific styles may size variants, but they
   must not redefine these controls, surfaces, or state conventions. */
.btn,
.public-button,
.archive-search button,
.rss-copy button,
.subscription-status button {
  display: inline-flex;
  min-height: var(--control-height);
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-4);
  color: var(--blog-primary-strong);
  background: var(--paper);
  border: 1px solid var(--blog-primary-border);
  border-radius: var(--radius-card);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--duration-fast) ease, background-color var(--duration-fast) ease, border-color var(--duration-fast) ease, transform var(--duration-fast) ease;
}

.btn-primary,
.public-button-primary,
.archive-search button,
.rss-copy button,
.subscription-status button {
  color: var(--blog-on-primary);
  background: var(--blog-primary-solid);
  border-color: var(--blog-primary-solid);
}

.btn:active,
.public-button:active,
.archive-search button:active,
.rss-copy button:active,
.subscription-status button:active { transform: translateY(1px); }

.btn[aria-disabled="true"],
.public-button:disabled,
.archive-search button:disabled,
.rss-copy button:disabled,
.subscription-status button:disabled {
  opacity: .55;
  cursor: not-allowed;
  transform: none;
}

.public-input,
.archive-search input,
.rss-copy input,
.subscription-status input {
  min-height: var(--control-height);
  padding: 0 var(--space-3);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-input);
}

.public-card,
.project,
.topic-card {
  color: inherit;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}

.public-state,
.empty-tip,
.subscription-status {
  padding: var(--space-8);
  color: var(--ink-soft);
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}

.page-intro {
  max-width: 720px;
  margin: 0 0 var(--space-6);
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.article-list { display: grid; }
.article-list-item { min-width: 0; padding: var(--space-5) 0; border-bottom: 1px solid var(--line); }
.article-list-item:first-of-type { border-top: 1px solid var(--line); }
.article-list-grid { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: var(--space-5); align-items: start; }
.article-list-cover { position: relative; display: block; width: 112px; height: 80px; overflow: hidden; color: var(--cover-ink); background: linear-gradient(145deg, #b8dcfa, #f2eafb); border-radius: var(--radius-card); text-decoration: none; transition: transform var(--duration-base) ease, box-shadow var(--duration-base) ease; }
.article-list-item:nth-of-type(6n + 2) .article-list-cover { background: linear-gradient(145deg, #ffd4c4, #fff0dc); }
.article-list-item:nth-of-type(6n + 3) .article-list-cover { background: linear-gradient(145deg, #c4eee8, #def4ff); }
.article-list-item:nth-of-type(6n + 4) .article-list-cover { background: linear-gradient(145deg, #d8d1f7, #f4e5ef); }
.article-list-item:nth-of-type(6n + 5) .article-list-cover { background: linear-gradient(145deg, #f2d7a6, #f8eee1); }
.article-list-item:nth-of-type(6n) .article-list-cover { background: linear-gradient(145deg, #bfe8f0, #d8e3ff); }
[data-theme="dark"] .article-list-item:nth-of-type(6n + 1) .article-list-cover { background: linear-gradient(145deg, #294b65, #443f58); }
[data-theme="dark"] .article-list-item:nth-of-type(6n + 2) .article-list-cover { background: linear-gradient(145deg, #754a42, #604e3f); }
[data-theme="dark"] .article-list-item:nth-of-type(6n + 3) .article-list-cover { background: linear-gradient(145deg, #2e5c58, #315265); }
[data-theme="dark"] .article-list-item:nth-of-type(6n + 4) .article-list-cover { background: linear-gradient(145deg, #4d496c, #604656); }
[data-theme="dark"] .article-list-item:nth-of-type(6n + 5) .article-list-cover { background: linear-gradient(145deg, #695535, #5c4b42); }
[data-theme="dark"] .article-list-item:nth-of-type(6n) .article-list-cover { background: linear-gradient(145deg, #315f67, #3b4f73); }
.article-list-cover > img { position: absolute; inset: 0; z-index: 3; display: block; width: 100%; height: 100%; object-fit: cover; }
.article-list-cover:has(> img) > :is(span, b, i) { visibility: hidden; }
.article-cover-story { position: absolute; top: 18px; left: var(--space-3); z-index: 2; max-width: calc(100% - 24px); }
.article-cover-word { display: inline-block; max-width: 100%; overflow-wrap: anywhere; font-size: 11px; font-weight: 700; line-height: 1.15; }
.article-list-cover > b { position: absolute; right: 10px; bottom: 10px; z-index: 2; display: grid; width: 30px; height: 30px; color: var(--cover-mark-ink); background: var(--cover-mark-bg); border-radius: var(--radius-input); box-shadow: 0 5px 12px var(--cover-shadow); font: 600 16px/1 var(--serif); place-items: center; }
.article-list-cover > b[data-cover-chars="2"] { width: auto; min-width: 38px; padding: 0 5px; font-size: 14px; }
.article-list-cover > i { position: absolute; top: -24px; right: -22px; width: 74px; height: 74px; background: var(--cover-orb); border-radius: 50%; }
.article-list-cover:is(:hover, :focus-visible) { box-shadow: var(--shadow-media-hover); transform: translateY(-2px); }
.article-list-body { min-width: 0; }
.article-list-title { display: flex; align-items: baseline; gap: var(--space-2); margin: 0 0 var(--space-2); color: var(--ink); font-size: 19px; font-weight: 600; line-height: 1.45; letter-spacing: -.015em; }
.article-list-title > a { min-width: 0; color: inherit; overflow-wrap: anywhere; text-decoration: none; }
.article-list-title > a:is(:hover, :focus-visible) { color: var(--blog-primary-strong); }
[data-theme="dark"] .article-list-title > a:is(:hover, :focus-visible) { color: var(--blog-primary); }
.article-list-excerpt { display: -webkit-box; margin: 0 0 var(--space-2); overflow: hidden; color: var(--ink-soft); font-size: 14px; line-height: 1.7; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.article-list-meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-1) var(--space-3); color: var(--ink-faint); font-size: 12px; line-height: 1.5; }
.article-list-meta > :is(a, span, time) { display: inline-flex; min-height: 24px; align-items: center; gap: 5px; }
.article-list-meta > a { color: var(--blog-primary-strong); text-decoration: none; }
[data-theme="dark"] .article-list-meta > a { color: var(--blog-primary); }
.article-list-meta .icon { width: 12px; height: 12px; }
.article-list-title > .pinned-label { flex: none; margin: 0; padding: 0 6px; color: var(--blog-pinned-label); background: var(--blog-primary-soft); border: 1px solid var(--blog-primary-border); border-radius: 3px; font-size: 11px; font-weight: 500; line-height: 20px; }

.section { width: 100%; max-width: 900px; padding: 0 0 60px; }
.section.tinted { background: transparent; }
.wrap { width: 100%; margin: 0; }
.archive-search { display: flex; gap: var(--space-3); max-width: 620px; margin: 0 0 var(--space-6); }
.archive-search input { flex: 1; min-width: 0; }
.pager { margin-top: var(--space-8); }
.pager-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 7px; }
.pg-btn, .pg-ellipsis, .pager-number, .pager-ellipsis, .pager-step { display: grid; min-width: 38px; min-height: 38px; padding: 6px 11px; color: var(--ink-soft); background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-card); font-size: 12px; text-decoration: none; place-items: center; }
.pg-btn.active, .pager-number.active { color: var(--blog-primary-strong); background: var(--blog-primary-soft); border-color: var(--blog-primary-border); font-weight: 700; }
[data-theme="dark"] :is(.pg-btn.active, .pager-number.active) { color: var(--blog-primary); }
.pg-btn.disabled, .pager-step.disabled { color: var(--ink-faint); background: var(--paper-soft); opacity: .6; cursor: default; }
.home-pager { display: flex; justify-content: center; align-items: center; margin-top: 42px; padding-top: 24px; border-top: 1px solid var(--line); }
.home-pager-more { justify-content: flex-start; }
.home-pager > div { display: flex; gap: 6px; }
.home-more-link { display: inline-flex; min-height: 42px; align-items: center; gap: var(--space-3); color: var(--blog-primary-strong); font-size: 14px; text-decoration: none; }
[data-theme="dark"] .home-more-link { color: var(--blog-primary); }
.pager-step { display: flex; align-items: center; gap: 5px; }

.projects-grid, .topic-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-6); }
.project, .topic-card { display: block; overflow: hidden; text-decoration: none; transition: border-color var(--duration-base) ease, transform var(--duration-base) ease; }
.project:is(:hover, :focus-visible), .topic-card:is(:hover, :focus-visible) { border-color: var(--blog-primary-border); transform: translateY(-2px); }
.project > img, .topic-card > img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; }
.project h3, .topic-card h2 { margin: var(--space-5) var(--space-5) 0; color: var(--ink); font-size: 19px; font-weight: 600; line-height: 1.45; }
.project p, .topic-card p { margin: var(--space-2) var(--space-5) var(--space-4); color: var(--ink-soft); font-size: 14px; line-height: 1.7; }
.project .tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 var(--space-5) var(--space-5); }
.project .tags span, .skills span { padding: 4px 8px; color: var(--ink-soft); background: var(--paper-soft); border-radius: var(--radius-input); font-size: 11px; }
.project .tape, .avatar-frame .tape, .tape-mini { display: none; }
.topic-index { display: block; margin: var(--space-4) var(--space-5) 0; color: var(--blog-primary); font-size: 11px; font-weight: 600; }
.topic-more { display: block; margin: 0 var(--space-5) var(--space-5); color: var(--blog-primary-strong); font-size: 13px; }
[data-theme="dark"] .topic-more { color: var(--blog-primary); }
.topic-article-item { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: var(--space-3); align-items: start; }
.topic-article-number { padding-top: var(--space-6); color: var(--blog-primary); font-size: 16px; font-variant-numeric: tabular-nums; }
.topic-article-item .article-list-item { width: 100%; }
.moment { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: var(--space-6); padding: var(--space-6) 0; border-top: 1px solid var(--line); }
.moment:last-child { border-bottom: 1px solid var(--line); }
.moment-time { color: var(--blog-primary); font-size: 12px; }
.moment-card { color: var(--ink); font-size: 16px; line-height: 1.75; }

.about-section { overflow-wrap: anywhere; }
.about-grid { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 40px; align-items: start; }
.avatar-frame { width: 100%; margin: 0; padding: 0; }
.avatar-frame img { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius-media); box-shadow: var(--shadow-media); }
.avatar-frame .caption { display: block; padding-top: var(--space-3); color: var(--ink-faint); font-size: 12px; text-align: center; }
.about-text { min-width: 0; max-width: 60ch; }
.about-greeting { margin: 0 0 var(--space-4); color: var(--ink); font-size: 24px; font-weight: 500; line-height: 1.4; }
.about-text p { margin: 0 0 var(--space-5); color: var(--ink-soft); font-size: 16px; line-height: 1.9; }
.about-links { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-6); }
.about-links a { display: inline-flex; min-height: var(--control-height); align-items: center; padding: 0 var(--space-4); color: var(--blog-primary-strong); background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-card); font-size: 14px; text-decoration: none; }
[data-theme="dark"] .about-links a { color: var(--blog-primary); }
.about-extra { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-8); margin-top: var(--space-12); }
.about-note { min-width: 0; padding-top: var(--space-6); border-top: 1px solid var(--line); }
.about-note h2 { margin: 0 0 var(--space-4); font-size: 18px; font-weight: 500; }
.about-note p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.9; }
.maintained-copy { white-space: pre-line; overflow-wrap: anywhere; }

.not-found-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.subscription-status { display: grid; gap: var(--space-4); max-width: 680px; margin: 0; }
.subscription-status p { margin: 0; }
.subscription-status label { display: grid; gap: 7px; }
.subscribe-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; }
.rss-guide { max-width: 800px; margin: 0 0 var(--space-8); }
.rss-guide + .rss-guide { padding-top: var(--space-8); border-top: 1px solid var(--line); }
.rss-guide h2 { margin-top: 0; font-size: 20px; font-weight: 600; }
.rss-guide a { color: var(--blog-primary-strong); }
[data-theme="dark"] .rss-guide a { color: var(--blog-primary); }
.rss-guide li { padding: 6px 0; }
.rss-copy { display: flex; gap: var(--space-3); margin-top: 10px; }
.rss-copy input { flex: 1; min-width: 0; }
.preview-notice { padding: 14px 18px; color: var(--blog-primary-strong); background: var(--blog-primary-soft); border-left: 3px solid var(--blog-primary); }
.image-fallback { display: grid; min-height: 80px; padding: var(--space-5); color: var(--ink-soft); background: var(--paper-soft); font-size: 14px; overflow-wrap: anywhere; place-items: center; }

.search-dialog { width: min(580px, calc(100vw - 32px)); height: fit-content; max-width: none; max-height: calc(100dvh - 48px); padding: var(--space-3); color: var(--ink); background: var(--paper-soft); border: 0; border-radius: var(--radius-card); box-shadow: 0 24px 70px rgba(17, 24, 39, .28); }
.search-dialog::backdrop { background: rgba(70, 78, 91, .55); }
.search-dialog[open] { animation: search-dialog-in .2s cubic-bezier(.22, 1, .36, 1) both; }
.search-dialog[open]::backdrop { animation: search-backdrop-in .2s ease-out both; }
.search-dialog.is-closing { animation: search-dialog-out .16s ease-in both; }
.search-dialog.is-closing::backdrop { animation: search-backdrop-out .16s ease-in both; }
@keyframes search-dialog-in { from { opacity: 0; transform: translateY(-10px) scale(.985); } to { opacity: 1; transform: none; } }
@keyframes search-dialog-out { from { opacity: 1; transform: none; } to { opacity: 0; transform: translateY(-8px) scale(.985); } }
@keyframes search-backdrop-in { from { background: rgba(70, 78, 91, 0); } to { background: rgba(70, 78, 91, .55); } }
@keyframes search-backdrop-out { from { background: rgba(70, 78, 91, .55); } to { background: rgba(70, 78, 91, 0); } }
.search-dialog-shell { display: grid; grid-template-rows: auto auto auto auto; height: auto; min-height: 0; }
.search-dialog-form { display: grid; grid-template-columns: 32px minmax(0, 1fr) 40px; align-items: center; min-height: 58px; padding: 0 6px 0 12px; color: var(--ink-soft); background: var(--paper); border: 2px solid var(--blog-primary); border-radius: 9px; }
.search-dialog-search-icon { width: 24px; height: 24px; color: var(--blog-primary); }
.search-dialog-form input { width: 100%; min-width: 0; height: 52px; padding: 0 4px; color: var(--ink); background: transparent; border: 0; outline: 0; font-size: 18px; }
.search-dialog-form input::-webkit-search-cancel-button { display: none; }
.search-dialog-close { position: relative; display: grid; width: 40px; height: 40px; padding: 0; color: var(--ink-soft); background: transparent; border: 0; border-radius: 50%; cursor: pointer; place-items: center; }
.search-dialog-close::before, .search-dialog-close::after { position: absolute; width: 19px; height: 2px; background: currentColor; border-radius: 2px; content: ""; transform: rotate(45deg); }
.search-dialog-close::after { transform: rotate(-45deg); }
.search-dialog-status { min-height: 26px; margin: 0; padding: 8px 4px 2px; color: var(--ink-faint); font-size: 12px; line-height: 1.4; }
.search-dialog-results { min-height: 0; max-height: min(55dvh, 480px); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; }
.search-result { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: var(--space-3); padding: 13px 14px; margin: 6px 0; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 8px; text-decoration: none; }
.search-result > .icon { width: 19px; height: 19px; margin-top: 4px; color: var(--ink-soft); }
.search-result-copy { min-width: 0; }
.search-result-title { display: block; font-size: 16px; font-weight: 500; line-height: 1.45; }
.search-result-excerpt { display: -webkit-box; margin-top: 3px; overflow: hidden; color: var(--ink-soft); font-size: 13px; line-height: 1.55; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.search-result-meta { display: block; margin-top: 5px; color: var(--ink-faint); font-size: 11px; }
.search-result mark { color: var(--blog-primary-strong); background: transparent; font-weight: 600; }
.search-result.is-active { color: var(--ink); background: var(--blog-primary-soft); border-color: var(--blog-primary-border); }
.search-dialog-empty { display: grid; min-height: 180px; margin: 6px 0; color: var(--ink-faint); background: var(--paper); border: 1px solid var(--line); border-radius: 8px; font-size: 14px; place-items: center; text-align: center; }
.search-dialog-footer { display: flex; justify-content: flex-end; gap: 18px; padding: 12px 4px 0; color: var(--ink-soft); border-top: 1px solid var(--line); font-size: 12px; }
.search-dialog-footer span { display: inline-flex; align-items: center; gap: 5px; }
.search-dialog-footer kbd { min-width: 28px; padding: 2px 6px; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-input); box-shadow: 0 1px 1px rgba(17, 24, 39, .08); font: inherit; text-align: center; }
.search-all, .search-recovery { display: block; padding: 12px 14px; color: var(--blog-primary-strong); text-underline-offset: 3px; }
.search-all[hidden], .search-recovery[hidden], img[hidden] { display: none; }
.search-open { overflow: hidden; scrollbar-gutter: auto; }
[data-theme="dark"] .search-dialog { box-shadow: 0 24px 70px rgba(0, 0, 0, .55); }
.discovery { max-width: 900px; padding: 0 0 var(--space-5); margin-bottom: var(--space-5); border-bottom: 1px solid var(--line); font-size: 14px; }
.discovery summary { min-height: var(--control-height); align-content: center; color: var(--ink-soft); cursor: pointer; }
.discovery-links { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.discovery-links a, .empty-tip a { display: inline-flex; min-height: 36px; align-items: center; color: var(--blog-primary-strong); text-underline-offset: 4px; }
[data-theme="dark"] :is(.discovery-links a, .empty-tip a) { color: var(--blog-primary); }
.empty-tip a { min-height: var(--control-height); }

@media (max-width: 760px) {
  .page-intro { margin-bottom: var(--space-5); font-size: 14px; }
  .article-list-grid { grid-template-columns: 96px minmax(0, 1fr); gap: var(--space-3); }
  .article-list-cover { width: 96px; height: 72px; }
  .article-list-title { font-size: 17px; }
  .article-list-excerpt { font-size: 13px; }
  .projects-grid, .topic-grid, .about-extra { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 140px minmax(0, 1fr); gap: var(--space-6); }
  .search-dialog { width: calc(100vw - 16px); max-height: calc(100dvh - 16px); padding: var(--space-2); margin: auto; border-radius: 8px; }
  .search-dialog-form { grid-template-columns: 30px minmax(0, 1fr) 40px; min-height: 54px; padding-left: 10px; }
  .search-dialog-form input { height: 48px; font-size: 16px; }
  .search-dialog-footer { justify-content: space-between; gap: 6px; }
}

@media (max-width: 520px) {
  .archive-search, .rss-copy { flex-direction: column; }
  .about-grid { grid-template-columns: 1fr; }
  .avatar-frame { max-width: 150px; justify-self: center; }
  .about-extra { gap: var(--space-6); margin-top: var(--space-8); }
  .moment { grid-template-columns: 1fr; gap: 5px; }
  .topic-article-item { grid-template-columns: 32px minmax(0, 1fr); gap: var(--space-2); }
  .home-pager > div { min-width: 0; max-width: 100%; gap: 2px; overflow-x: auto; scrollbar-width: none; }
  .home-pager > div::-webkit-scrollbar { display: none; }
  .pager-number, .pager-ellipsis { min-width: 30px; padding: 0 6px; }
  .pager-step { min-width: auto; padding: 0 2px; white-space: nowrap; }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .public-button,
  .archive-search button,
  .rss-copy button,
  .subscription-status button,
  .article-list-cover { transition: none; }
}