@font-face {
  font-family: "ZCOOL KuaiLe";
  src: url("./fonts/ZCOOLKuaiLe-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  --bg: #fffdf4;
  --paper: #fffefb;
  --ink: #171717;
  --line: #111111;
  --pink: #ff75ad;
  --mint: #3de3c7;
  --yellow: #ffe45b;
  --blue: #7bb3ff;
  --muted: #4a4a4a;
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink);
  line-height: 1.72;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.18) 1px, transparent 0),
    linear-gradient(140deg, #fffdf4 0%, #fff5fb 50%, #f2fff9 100%);
  background-size: 12px 12px, 100% 100%;
}

.sparkle {
  position: fixed;
  z-index: -1;
  border-radius: 999px;
  opacity: 0.3;
  filter: blur(54px);
}

.sparkle-a {
  width: 260px;
  height: 260px;
  left: -90px;
  top: -80px;
  background: #ff8fbe;
}

.sparkle-b {
  width: 300px;
  height: 300px;
  right: -120px;
  top: 35%;
  background: #8ef1df;
}

.container {
  width: min(1120px, 94vw);
  margin: 0 auto;
  padding: 34px 0 78px;
}

.hero-card,
.page-header,
.post-detail,
.side-panel,
.search-panel,
.archive-group,
.empty,
.tags-focus {
  position: relative;
  border: 3px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: 6px 7px 0 var(--line);
}

.hero-card,
.page-header,
.post-detail,
.side-panel,
.search-panel,
.archive-group,
.tags-focus {
  padding: clamp(18px, 2.3vw, 30px);
}

.kicker {
  margin: 0 0 8px;
  display: inline-block;
  padding: 3px 10px;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: var(--yellow);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 18px;
  align-items: stretch;
}

.hero-card h1,
.page-header h1,
.post-detail h1,
.tags-focus h2,
.section-head h2 {
  margin: 0;
  font-family: "ZCOOL KuaiLe", "PingFang SC", sans-serif;
  line-height: 1.05;
  font-weight: 400;
}

.hero-card h1,
.page-header h1 {
  font-size: clamp(40px, 7.2vw, 78px);
}

.post-detail h1 {
  font-size: clamp(36px, 6vw, 66px);
}

.subtitle {
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 46ch;
}

.hero-side {
  border: 3px dashed var(--line);
  border-radius: 14px;
  background:
    radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.15) 1px, transparent 0),
    #fff7d9;
  background-size: 10px 10px, auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-side-label {
  margin: 0;
  font-size: 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
}

.hero-side-value {
  margin: 4px 0;
  font-size: clamp(34px, 5vw, 52px);
  font-family: "ZCOOL KuaiLe", "PingFang SC", sans-serif;
}


.top-nav,
.back-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 20px;
}

.back-nav {
  margin-top: 0;
  margin-bottom: 14px;
}

.top-nav a,
.back-nav a,
.chip,
.page-btn,
.page-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 6px 13px;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: #fff7e4;
  color: #332a18;
  text-decoration: none;
  font-weight: 700;
  transition: transform 150ms var(--ease-out-quart), background-color 150ms var(--ease-out-quart);
}

.top-nav a:hover,
.back-nav a:hover,
.chip:hover,
.page-btn:hover,
.page-num:hover,
.top-nav a:focus-visible,
.back-nav a:focus-visible,
.chip:focus-visible,
.page-btn:focus-visible,
.page-num:focus-visible {
  transform: translateY(-2px);
  background: #ffe9bc;
  outline: none;
}

.top-nav a.github-dot,
.back-nav a.github-dot {
  width: calc(1em * 1.72 + 12px + 4px);
  height: calc(1em * 1.72 + 12px + 4px);
  min-width: calc(1em * 1.72 + 12px + 4px);
  min-height: calc(1em * 1.72 + 12px + 4px);
  padding: 0;
  flex: 0 0 calc(1em * 1.72 + 12px + 4px);
  line-height: 0;
  border-radius: 999px;
  background: #111;
  border-color: #111;
}

.top-nav a.github-dot:hover,
.back-nav a.github-dot:hover,
.top-nav a.github-dot:focus-visible,
.back-nav a.github-dot:focus-visible {
  background: #2f6feb;
  border-color: #2f6feb;
}

.top-nav a.github-dot svg,
.back-nav a.github-dot svg {
  width: 100%;
  height: 100%;
  fill: #fff;
}

body.page-home .top-nav a:nth-child(1),
body.page-home .back-nav a:nth-child(1),
body.page-tags .top-nav a:nth-child(2),
body.page-tags .back-nav a:nth-child(2),
body.page-archives .top-nav a:nth-child(3),
body.page-archives .back-nav a:nth-child(3),
body.page-search .top-nav a:nth-child(4),
body.page-search .back-nav a:nth-child(4) {
  background: #ffd876;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.15);
}

.section-head {
  margin: 34px 0 14px;
}

.layout-split {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.side-panel {
  position: sticky;
  top: 16px;
  background:
    radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.15) 1px, transparent 0),
    #f9f3ff;
  background-size: 10px 10px, auto;
}

.side-panel h3 {
  margin: 0 0 8px;
  font-family: "ZCOOL KuaiLe", "PingFang SC", sans-serif;
  font-size: 28px;
  font-weight: 400;
}

.side-panel p,
.meta {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.main-panel {
  min-width: 0;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.post-card-link {
  grid-column: span 6;
  text-decoration: none;
  color: inherit;
}

.post-card-link:nth-child(4n + 1) { grid-column: span 8; }
.post-card-link:nth-child(4n + 2) { grid-column: span 4; }

.post-card {
  height: 100%;
  border: 3px solid var(--line);
  border-radius: 16px;
  background: #fff;
  padding: 16px 17px;
  box-shadow: 4px 5px 0 var(--line);
  transition: transform 170ms var(--ease-out-quart);
}

.post-card-link:nth-child(odd) .post-card {
  background: linear-gradient(145deg, #fff, #fff3fa);
}

.post-card-link:nth-child(even) .post-card {
  background: linear-gradient(145deg, #fff, #effff9);
}

.post-card-link:hover .post-card,
.post-card-link:focus-visible .post-card {
  transform: translate(-2px, -4px);
}

.post-card h3 {
  margin: 9px 0 0;
  font-family: "ZCOOL KuaiLe", "PingFang SC", sans-serif;
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.2;
  font-weight: 400;
}

.tags,
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags {
  margin: 10px 0 0;
}

.tags span,
.tag-link {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 2px 9px;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: #fff2f9;
  color: #4e3a45;
  font-size: 12px;
  text-decoration: none;
}

.chip.active,
.page-num.current {
  background: #ffd876;
  color: #2d2414;
}

.tags-main {
  display: grid;
  gap: 12px;
}

.tags-focus {
  background: linear-gradient(160deg, #fff, #ecfffa);
}

.tags-focus h2 {
  font-size: clamp(30px, 4vw, 46px);
}

.archive-stack {
  display: grid;
  gap: 12px;
}

.archive-group h2 {
  margin: 0 0 8px;
  font-family: "ZCOOL KuaiLe", "PingFang SC", sans-serif;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 400;
}

.archive-group ul {
  margin: 0;
  padding-left: 18px;
}

.archive-group li {
  margin: 6px 0;
}

.archive-group a,
.content a {
  color: #04645e;
  font-weight: 700;
}

.content {
  margin-top: 20px;
  max-width: 76ch;
  font-size: clamp(16px, 1.9vw, 18px);
}

.content blockquote {
  margin: 14px 0;
  padding: 10px 14px;
  border: 3px solid var(--line);
  border-radius: 12px;
  background: #fff5cc;
}

.content pre {
  background: #1f1f1f;
  color: #fff;
  border: 3px solid #000;
  border-radius: 10px;
  padding: 12px;
  overflow-x: auto;
}

.content :not(pre) > code {
  background: color-mix(in srgb, var(--yellow) 26%, transparent);
  border: 0;
  border-radius: 4px;
  padding: 0 3px;
}

.search-panel {
  min-height: 240px;
}

.post-grid > .empty,
.search-panel .empty {
  grid-column: 1 / -1;
  width: 100%;
}

.search-input {
  width: 100%;
  min-height: 46px;
  border: 2px solid var(--line);
  border-radius: 10px;
  padding: 11px 13px;
  font-size: 16px;
  margin-bottom: 12px;
}

.search-input:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

.snippet {
  margin-top: 8px;
}

mark {
  background: var(--yellow);
  color: inherit;
  border: 1px solid #000;
  border-radius: 4px;
  padding: 0 2px;
}

.pagination {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-btn.disabled {
  opacity: 0.45;
}

.comments {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 4px dashed #000;
}

.empty {
  border-style: dashed;
  padding: 16px;
}

/* Motion: one clean entrance for each full page load */
.page-header,
.hero-card,
.post-detail,
.side-panel,
.tags-focus,
.post-card,
.archive-group,
.search-panel,
.empty {
  animation: pop-in 220ms var(--ease-out-quart) both;
}

/* Keep tags page snappy when switching chips: no re-entry animation on intra-tags nav */
body.page-tags.tags-no-enter .page-header,
body.page-tags.tags-no-enter .side-panel,
body.page-tags.tags-no-enter .tags-focus,
body.page-tags.tags-no-enter .post-card,
body.page-tags.tags-no-enter .empty {
  animation: none !important;
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

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

  .side-panel {
    position: static;
  }

  .post-card-link,
  .post-card-link:nth-child(4n + 1),
  .post-card-link:nth-child(4n + 2) {
    grid-column: span 12;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(740px, 94vw);
    padding-top: 22px;
    padding-bottom: 62px;
  }

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

  .post-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .post-card-link,
  .post-card-link:nth-child(4n + 1),
  .post-card-link:nth-child(4n + 2) {
    grid-column: span 1;
  }

  .hero-card,
  .page-header,
  .post-detail,
  .side-panel,
  .search-panel,
  .archive-group,
  .empty,
  .tags-focus {
    border-width: 3px;
    box-shadow: 4px 4px 0 var(--line);
    border-radius: 12px;
  }

  .hero-card h1,
  .page-header h1 {
    font-size: clamp(34px, 11vw, 48px);
  }

  .post-card h3 {
    font-size: clamp(21px, 7.5vw, 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }


}