/* ════════════════════════════════════════════════
   NEO.BLOG — Neo-Brutalism 糖果积木风
   硬边 · 饱和色块 · 粗描边 · 平移阴影
   ════════════════════════════════════════════════ */

:root {
  --ink:    #141414;   /* 描边 / 文字 */
  --paper:  #FFF6E5;   /* 米纸底色 */
  --pink:   #FF5D8F;
  --yellow: #FFD21F;
  --blue:   #4D8DFF;
  --green:  #43D97B;
  --purple: #B28DFF;
  --orange: #FF8A3D;
  --white:  #FFFFFF;

  --bd: 3px solid var(--ink);
  --bd-thin: 2px solid var(--ink);

  --sh:    6px 6px 0 var(--ink);        /* 默认平移阴影 */
  --sh-sm: 4px 4px 0 var(--ink);
  --sh-lg: 9px 9px 0 var(--ink);        /* hover 加粗 */
  --sh-press: 2px 2px 0 var(--ink);     /* active 收敛 */

  --r: 18px;          /* 大圆角 */
  --r-sm: 12px;

  --t: 150ms cubic-bezier(.3,.7,.4,1);  /* 120-200ms 直接过渡 */

  --font-head: "Archivo Black", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Space Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--ink);
  background-color: var(--paper);
  /* 细网点底纹 */
  background-image: radial-gradient(rgba(20,20,20,.08) 1.2px, transparent 1.2px);
  background-size: 22px 22px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* 噪点覆盖层 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.mono { font-family: var(--font-mono); }

::selection { background: var(--yellow); color: var(--ink); }

/* ════════════ 顶部跑马灯 ════════════ */
.marquee {
  background: var(--ink);
  color: var(--paper);
  border-bottom: var(--bd);
  overflow: hidden;
  padding: 8px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: scroll 22s linear infinite;
}
.marquee__track span { white-space: nowrap; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ════════════ 导航 ════════════ */
.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px clamp(16px, 5vw, 56px);
  border-bottom: var(--bd);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav__logo {
  font-family: var(--font-head);
  font-size: 22px;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: .02em;
}
.nav__logo-badge {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  background: var(--pink);
  border: var(--bd);
  border-radius: 50%;
  box-shadow: var(--sh-sm);
  font-size: 16px;
  transform: rotate(-8deg);
  transition: transform var(--t), box-shadow var(--t);
}
.nav__logo:hover .nav__logo-badge {
  transform: rotate(8deg) scale(1.08);
  box-shadow: var(--sh);
}
.nav__links {
  display: flex;
  gap: 6px;
  margin-left: auto;
}
.nav__link {
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  padding: 6px 14px;
  border: var(--bd-thin);
  border-radius: 999px;
  background: var(--paper);
  transition: transform var(--t), box-shadow var(--t), background var(--t);
}
.nav__link:hover {
  background: var(--yellow);
  transform: translate(-1px, -2px) rotate(-1deg);
  box-shadow: var(--sh-sm);
}
.nav__link:active {
  transform: translate(2px, 2px);
  box-shadow: var(--sh-press);
}

/* ════════════ 通用按钮 ════════════ */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 900;
  font-size: 17px;
  color: var(--ink);
  text-decoration: none;
  padding: 12px 26px;
  border: var(--bd);
  border-radius: var(--r-sm);
  box-shadow: var(--sh-sm);
  cursor: pointer;
  transition: transform var(--t), box-shadow var(--t);
  user-select: none;
}
.btn:hover  { transform: translate(-2px, -3px) rotate(-1deg); box-shadow: var(--sh-lg); }
.btn:active { transform: translate(2px, 2px); box-shadow: var(--sh-press); }
.btn--sm { font-size: 14px; padding: 8px 18px; }

.btn--pink   { background: var(--pink); }
.btn--yellow { background: var(--yellow); }
.btn--green  { background: var(--green); }
.btn--blue   { background: var(--blue); color: var(--white); }
.btn--blue:hover { color: var(--ink); }

/* ════════════ HERO ════════════ */
.hero {
  position: relative;
  padding: clamp(56px, 9vw, 110px) clamp(16px, 6vw, 72px) clamp(64px, 8vw, 100px);
  border-bottom: var(--bd);
  background:
    repeating-linear-gradient(-45deg, transparent 0 26px, rgba(20,20,20,.035) 26px 28px),
    var(--paper);
}
.hero__hello {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  background: var(--white);
  border: var(--bd-thin);
  border-radius: 999px;
  padding: 6px 16px;
  box-shadow: var(--sh-sm);
  margin-bottom: 26px;
  transform: rotate(-1.5deg);
}
.hero__title {
  position: relative;
  font-family: var(--font-head);
  font-size: clamp(40px, 8.5vw, 96px);
  line-height: 1.08;
  letter-spacing: .01em;
  margin-bottom: 28px;
}
.hero__title-mark {
  background: var(--yellow);
  border: var(--bd);
  border-radius: var(--r);
  padding: 0 18px;
  display: inline-block;
  box-shadow: var(--sh);
  transform: rotate(-1deg);
}
.hero__underline {
  position: absolute;
  left: 4px;
  bottom: -22px;
  width: min(300px, 60%);
  height: auto;
}
.hero__sub {
  max-width: 46ch;
  font-size: 18px;
  margin-bottom: 36px;
}
.hero__sub strong {
  background: var(--pink);
  color: var(--white);
  padding: 1px 8px;
  border: var(--bd-thin);
  border-radius: 8px;
  white-space: nowrap;
}
.hero__actions { display: flex; gap: 18px; flex-wrap: wrap; }

/* 星爆贴纸 */
.burst {
  position: absolute;
  top: clamp(24px, 5vw, 60px);
  right: clamp(20px, 8vw, 120px);
  width: 120px; height: 120px;
  display: grid;
  place-items: center;
  text-align: center;
  font-family: var(--font-head);
  font-size: 20px;
  line-height: 1.15;
  background: var(--pink);
  color: var(--white);
  -webkit-text-stroke: 1px var(--ink);
  clip-path: polygon(50% 0%,61% 12%,75% 5%,79% 20%,95% 21%,90% 36%,100% 50%,90% 64%,95% 79%,79% 80%,75% 95%,61% 88%,50% 100%,39% 88%,25% 95%,21% 80%,5% 79%,10% 64%,0% 50%,10% 36%,5% 21%,21% 20%,25% 5%,39% 12%);
  transform: rotate(12deg);
  animation: wobble 3.5s ease-in-out infinite;
}
@keyframes wobble {
  0%, 100% { transform: rotate(10deg) scale(1); }
  50%      { transform: rotate(15deg) scale(1.06); }
}

/* 涂鸦装饰 */
.doodle { position: absolute; pointer-events: none; }
.doodle--star     { width: 58px; top: 14%; left: clamp(8px, 4vw, 60px); transform: rotate(-14deg); }
.doodle--squiggle { width: 110px; bottom: 18%; right: clamp(10px, 6vw, 90px); }
.doodle--arrow    { width: 74px; bottom: 6%; left: clamp(140px, 30vw, 380px); transform: rotate(8deg); }

/* ════════════ 区块标题 ════════════ */
.section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-head);
  font-size: clamp(26px, 4vw, 40px);
  margin-bottom: 26px;
}
.section-title__tag {
  font-size: 15px;
  font-weight: 700;
  background: var(--ink);
  color: var(--paper);
  padding: 4px 10px;
  border-radius: 8px;
  transform: rotate(-4deg);
}
.section-title__doodle { color: var(--pink); font-size: .9em; transform: rotate(15deg); }

/* ════════════ 筛选标签 ════════════ */
.filters { padding: clamp(48px, 7vw, 80px) clamp(16px, 6vw, 72px) 8px; }
.filters__chips { display: flex; gap: 12px; flex-wrap: wrap; }
.chip {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
  background: var(--white);
  border: var(--bd-thin);
  border-radius: 999px;
  padding: 8px 18px;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform var(--t), box-shadow var(--t), background var(--t);
}
.chip:hover  { transform: translate(-1px, -2px) rotate(-1.5deg); box-shadow: 5px 5px 0 var(--ink); }
.chip:active { transform: translate(1px, 1px); box-shadow: var(--sh-press); }
.chip.is-active {
  background: var(--ink);
  color: var(--paper);
  box-shadow: var(--sh-press);
  transform: translate(1px, 1px);
}
.chip--pink.is-active   { background: var(--pink);   color: var(--ink); }
.chip--blue.is-active   { background: var(--blue);   color: var(--white); }
.chip--yellow.is-active { background: var(--yellow); color: var(--ink); }
.chip--green.is-active  { background: var(--green);  color: var(--ink); }

/* ════════════ 卡片网格 ════════════ */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(28px, 4vw, 44px) clamp(16px, 6vw, 72px) clamp(64px, 8vw, 100px);
}
.card {
  position: relative;
  border: var(--bd);
  border-radius: var(--r);
  box-shadow: var(--sh);
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transform: rotate(var(--tilt, 0deg));
  transition: transform var(--t), box-shadow var(--t);
}
.card:hover {
  transform: rotate(0deg) translate(-3px, -5px);
  box-shadow: var(--sh-lg);
}
.card:active {
  transform: rotate(0deg) translate(2px, 2px);
  box-shadow: var(--sh-press);
}

.card--yellow { background: var(--yellow); }
.card--pink   { background: var(--pink); }
.card--blue   { background: var(--blue); color: var(--white); }
.card--green  { background: var(--green); }
.card--purple { background: var(--purple); }
.card--orange { background: var(--orange); }

.card--blue .card__date,
.card--blue .tag { color: var(--white); }
.card--blue .tag { border-color: var(--white); }
.card--blue .card__more { color: var(--white); }

.card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.card__cat {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  background: var(--white);
  color: var(--ink);
  border: var(--bd-thin);
  border-radius: 6px;
  padding: 3px 10px;
  transform: rotate(-2deg);
}
.card__date { font-size: 13px; font-weight: 700; }

.card__title {
  font-family: var(--font-head);
  font-size: 21px;
  line-height: 1.3;
}
.card__excerpt { font-size: 15px; flex: 1; }

.card__tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  font-size: 12px;
  font-weight: 700;
  border: var(--bd-thin);
  border-radius: 999px;
  padding: 2px 10px;
  background: rgba(255,255,255,.55);
  color: var(--ink);
}
.card--blue .tag { background: transparent; }

.card__more {
  align-self: flex-start;
  font-weight: 900;
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 3px solid var(--ink);
  padding-bottom: 1px;
  transition: transform var(--t), background var(--t);
}
.card--blue .card__more { border-bottom-color: var(--white); }
.card__more:hover { background: var(--white); color: var(--ink); transform: translateX(4px); }
.card__more span { display: inline-block; transition: transform var(--t); }
.card__more:hover span { transform: translateX(4px); }

/* 胶带贴纸 */
.card__tape {
  position: absolute;
  top: -12px;
  left: 32px;
  width: 74px; height: 24px;
  background: rgba(77, 141, 255, .85);
  border: var(--bd-thin);
  transform: rotate(-5deg);
}
.card__tape--corner {
  left: auto;
  right: -14px;
  top: 40%;
  width: 24px; height: 74px;
  background: rgba(255, 93, 143, .85);
  transform: rotate(6deg);
}

/* 角标贴纸 */
.card__sticker {
  position: absolute;
  top: -14px;
  right: 18px;
  font-family: var(--font-head);
  font-size: 13px;
  background: var(--ink);
  color: var(--yellow);
  border: var(--bd-thin);
  border-radius: 999px;
  padding: 5px 12px;
  transform: rotate(6deg);
  box-shadow: 3px 3px 0 rgba(20,20,20,.35);
}
.card__sticker--blue { background: var(--blue); color: var(--white); transform: rotate(-7deg); }

/* ════════════ 关于 ════════════ */
.stripes {
  background: repeating-linear-gradient(
    -45deg,
    var(--green) 0 22px,
    #3bcc70 22px 44px
  );
  border-top: var(--bd);
  border-bottom: var(--bd);
}
.about { padding: clamp(56px, 8vw, 96px) clamp(16px, 6vw, 72px); }
.about__card {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  background: var(--white);
  border: var(--bd);
  border-radius: var(--r);
  box-shadow: 10px 10px 0 var(--ink);
  padding: clamp(24px, 4vw, 44px);
  transform: rotate(-.5deg);
}
.about__photo {
  position: relative;
  flex: 0 0 clamp(140px, 22vw, 200px);
  aspect-ratio: 1;
  background: var(--paper);
  border: var(--bd);
  border-radius: var(--r-sm);
  box-shadow: var(--sh-sm);
  display: grid;
  place-items: center;
  transform: rotate(-2.5deg);
}
.about__photo svg { width: 82%; height: 82%; }
.about__photo-tape {
  position: absolute;
  top: -12px;
  left: 50%;
  width: 80px; height: 24px;
  background: rgba(255, 210, 31, .9);
  border: var(--bd-thin);
  transform: translateX(-50%) rotate(3deg);
}
.about__body p { font-size: 16px; margin-bottom: 14px; }
.about__body strong { background: var(--yellow); padding: 0 6px; border-radius: 4px; }
.about__meta {
  font-size: 13px;
  font-weight: 700;
  display: inline-block;
  background: var(--paper);
  border: var(--bd-thin);
  border-radius: 8px;
  padding: 4px 12px;
  margin-bottom: 18px;
}
.about__socials { display: flex; gap: 12px; flex-wrap: wrap; }

/* ════════════ 页脚 ════════════ */
.footer {
  background: var(--ink);
  color: var(--paper);
  text-align: center;
  padding: clamp(40px, 6vw, 64px) 20px 48px;
  position: relative;
}
.footer__big {
  font-family: var(--font-head);
  font-size: clamp(44px, 9vw, 96px);
  letter-spacing: .02em;
  color: transparent;
  -webkit-text-stroke: 2.5px var(--paper);
  margin-bottom: 10px;
}
.footer__line { font-size: 13px; opacity: .85; }
.footer__top {
  position: absolute;
  right: clamp(16px, 5vw, 48px);
  bottom: 32px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--yellow);
  border: var(--bd-thin);
  border-radius: 999px;
  padding: 8px 16px;
  text-decoration: none;
  box-shadow: 3px 3px 0 var(--paper);
  transform: rotate(2deg);
  transition: transform var(--t), box-shadow var(--t);
}
.footer__top:hover { transform: rotate(-2deg) translateY(-3px); box-shadow: 5px 6px 0 var(--paper); }
.footer__top:active { transform: translateY(1px); box-shadow: 1px 1px 0 var(--paper); }

/* ════════════ 响应式 ════════════ */
@media (max-width: 960px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .burst { width: 96px; height: 96px; font-size: 16px; }
}
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .nav__cta { display: none; }
  .about__card { flex-direction: column; text-align: center; }
  .about__socials { justify-content: center; }
  .doodle--arrow { display: none; }
  .hero__underline { bottom: -14px; }
}

/* 尊重减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ════════════════════════════════════════════════
   markdown2web — 功能层（笔记 / 批注 / 后台 / 媒体）
   ════════════════════════════════════════════════ */

[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
.shell { width: min(1140px, calc(100vw - 32px)); margin: 0 auto; position: relative; z-index: 1; }
.shell.note-page-shell { width: min(1560px, calc(100vw - 24px)); }
.page-shell { padding: 0 0 72px; }
.shell > .hero {
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding-left: max(16px, calc(50vw - 570px));
  padding-right: max(16px, calc(50vw - 570px));
}
.shell > .about {
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  width: 100vw;
  max-width: 100vw;
}
.shell > .filters,
.shell > .grid {
  padding-left: 0;
  padding-right: 0;
}

.mono { font-family: var(--font-mono); }
.muted, .card-meta, .build-meta, .hero-copy { color: rgba(20,20,20,.72); }
.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .76rem;
  font-weight: 700;
  margin: 0 0 8px;
}

/* reading progress */
.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  height: 4px;
  transform-origin: left center;
  transform: scaleX(var(--progress, 0));
  background: linear-gradient(90deg, var(--pink), var(--yellow), var(--blue));
  border-bottom: 2px solid var(--ink);
}

/* cursor beacon — keep ring-like for tests */
.cursor-beacon {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 60;
  width: 18px;
  height: 18px;
  margin-left: 12px;
  margin-top: 12px;
  pointer-events: none;
  opacity: 0;
  border-radius: 999px;
  border: 2px solid var(--ink);
  background: transparent;
  box-shadow: 3px 3px 0 var(--yellow);
  transform: translate3d(-999px, -999px, 0);
  transition: opacity 150ms ease-out;
}
.cursor-beacon::before {
  content: "";
  position: absolute;
  left: -8px;
  top: -8px;
  width: 8px;
  height: 8px;
  border-left: 2px solid var(--ink);
  border-top: 2px solid var(--ink);
}
.cursor-beacon::after {
  content: none;
}
.cursor-beacon-core {
  display: none;
}
.cursor-beacon.is-visible { opacity: 1; }
.cursor-beacon.is-active {
  width: 24px;
  height: 24px;
  margin-left: 14px;
  margin-top: 14px;
  background: var(--pink);
}
.cursor-beacon.is-pressed {
  width: 16px;
  height: 16px;
  margin-left: 11px;
  margin-top: 11px;
  box-shadow: 1px 1px 0 var(--ink);
}

/* sticky nav already in design; wire site-header */
.site-header.is-scrolled {
  box-shadow: 0 4px 0 rgba(20,20,20,.08);
}
.brand { color: inherit; }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  background: var(--white);
  border: var(--bd);
  border-radius: 12px;
  box-shadow: var(--sh-sm);
  cursor: pointer;
  gap: 5px;
}
.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 3px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}
.nav-overlay { display: none; }
.nav-link.is-current {
  background: var(--ink);
  color: var(--paper);
  box-shadow: var(--sh-press);
  transform: translate(1px, 1px);
}

/* hero grid within design hero */
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  gap: 28px;
  align-items: stretch;
  position: relative;
  z-index: 1;
}
.hero-copy-block { position: relative; z-index: 1; }
.feature-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.feature-pill {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  border: var(--bd-thin);
  border-radius: 999px;
  background: var(--white);
  box-shadow: 3px 3px 0 var(--ink);
}
.hero-panel,
.panel,
.list-card,
.note-card,
.sidebar-card,
.search-panel,
.note-hero,
.auth-panel {
  position: relative;
  background: var(--white);
  border: var(--bd);
  border-radius: var(--r);
  box-shadow: var(--sh);
  padding: 22px;
}
.hero-mascot-panel {
  display: flex;
  flex-direction: column;
  min-height: 420px;
  padding: 16px;
  isolation: isolate;
  --mascot-size: clamp(120px, 28vw, 150px);
  background: var(--yellow);
  transform: rotate(1deg);
}
.hero-panel-shell { display: flex; flex-direction: column; gap: 12px; flex: 1; }
.hero-panel-top { display: flex; justify-content: space-between; align-items: center; }
.hero-panel-copy { margin: 8px 0 0; font-weight: 700; }
.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.metric-card {
  padding: 12px;
  border-radius: 12px;
  background: var(--white);
  border: var(--bd-thin);
  box-shadow: 3px 3px 0 var(--ink);
}
.metric-card strong { display: block; font-family: var(--font-head); margin-bottom: 2px; }
.metric-card span { font-size: .88rem; }
.signal-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--green);
  border: 2px solid var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
  animation: signal-pulse 2.4s ease-in-out infinite;
}
@keyframes signal-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

/* mascot */
.mascot-stage { display: grid; place-items: center; padding: 12px 0 8px; }
.mascot {
  position: relative;
  width: var(--mascot-size);
  height: calc(var(--mascot-size) * 0.88);
  cursor: pointer;
  user-select: none;
  transition: transform var(--t);
}
.mascot:hover { transform: scale(1.06); }
.mascot-ear {
  position: absolute;
  width: 26%;
  height: 30%;
  top: -16%;
  border-radius: 50% 50% 12% 12%;
  background: var(--pink);
  border: 3px solid var(--ink);
  z-index: 1;
}
.mascot-ear-l { left: 12%; transform: rotate(-12deg); }
.mascot-ear-r { right: 12%; transform: rotate(12deg); }
.mascot-face {
  position: absolute;
  inset: 0;
  border-radius: 50% 50% 48% 48% / 46% 46% 54% 54%;
  background: var(--white);
  border: 3px solid var(--ink);
  box-shadow: var(--sh-sm);
  overflow: hidden;
}
.mascot-eye {
  position: absolute;
  width: 24%;
  height: 28%;
  top: 30%;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--ink);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.mascot-eye-l { left: 18%; }
.mascot-eye-r { right: 18%; }
.mascot-pupil {
  font-size: calc(var(--mascot-size) * 0.11);
  line-height: 1;
  color: var(--ink);
  transform: translate(var(--pupil-x, 0px), var(--pupil-y, 0px));
  transition: transform 80ms ease-out;
}
.mascot-blush {
  position: absolute;
  top: 52%;
  font-size: calc(var(--mascot-size) * 0.12);
  line-height: 1;
  color: rgba(255,93,143,.45);
}
.mascot-blush-l { left: 6%; }
.mascot-blush-r { right: 6%; }
.mascot-mouth {
  position: absolute;
  bottom: 20%;
  left: 50%;
  transform: translateX(-50%);
  font-size: calc(var(--mascot-size) * 0.16);
  line-height: 1;
  color: var(--ink);
}
.mascot-label {
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  background: var(--ink);
  color: var(--yellow);
  border: var(--bd-thin);
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--t), transform var(--t);
  pointer-events: none;
}
.mascot-label.is-show {
  opacity: 1;
  transform: translateX(-50%) translateY(100%) translateY(4px);
}
.mascot.expr-blink .mascot-eye { height: 6%; top: 40%; border-radius: 999px; }
.mascot.expr-happy .mascot-eye { height: 8%; top: 38%; border-radius: 999px; }
.mascot.expr-surprised .mascot-eye { width: 28%; height: 34%; top: 27%; }
.mascot.expr-love .mascot-pupil { color: var(--pink); }
.mascot.expr-smug .mascot-eye-l { height: 6%; top: 40%; border-radius: 999px; }
.mascot.expr-sleepy .mascot-eye { height: 10%; top: 38%; border-radius: 999px; }
@keyframes mascot-bounce {
  0%, 100% { transform: scale(1); }
  30% { transform: scale(0.92); }
  60% { transform: scale(1.08); }
}
.mascot.is-bouncing { animation: mascot-bounce 450ms cubic-bezier(.2,.75,.2,1); }

/* page intro / section */
.page-intro, .stack-header { padding: clamp(36px, 5vw, 56px) 0 8px; }
.page-intro .section-title, .stack-header .section-title { margin-bottom: 10px; }
.section-head--inline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: -8px;
  margin-bottom: 8px;
}
.section-link {
  font-weight: 900;
  border-bottom: 3px solid var(--ink);
  transition: transform var(--t), background var(--t);
}
.section-link:hover { background: var(--yellow); transform: translateX(4px); }
.filters--tight { padding-top: 12px; padding-bottom: 4px; }

/* colored cards cycle */
.card-grid .card:nth-child(6n+1),
.grid > .card:nth-child(6n+1) { background: var(--yellow); }
.card-grid .card:nth-child(6n+2),
.grid > .card:nth-child(6n+2) { background: var(--pink); }
.card-grid .card:nth-child(6n+3),
.grid > .card:nth-child(6n+3) { background: var(--blue); color: var(--white); }
.card-grid .card:nth-child(6n+4),
.grid > .card:nth-child(6n+4) { background: var(--green); }
.card-grid .card:nth-child(6n+5),
.grid > .card:nth-child(6n+5) { background: var(--purple); }
.card-grid .card:nth-child(6n+6),
.grid > .card:nth-child(6n+6) { background: var(--orange); }
.card-grid .card:nth-child(6n+3) .card__date,
.card-grid .card:nth-child(6n+3) .tag,
.card-grid .card:nth-child(6n+3) .card__more,
.grid > .card:nth-child(6n+3) .card__date,
.grid > .card:nth-child(6n+3) .tag,
.grid > .card:nth-child(6n+3) .card__more {
  color: var(--white);
}
.card-grid .card:nth-child(6n+3) .tag,
.grid > .card:nth-child(6n+3) .tag {
  border-color: var(--white);
  background: transparent;
}
.card-grid .card:nth-child(6n+3) .card__more,
.grid > .card:nth-child(6n+3) .card__more { border-bottom-color: var(--white); }
.card__title a { color: inherit; }
.card-grid .card > p,
.card .card__excerpt { flex: 1; }

/* list cards (search etc.) */
.stack-list:not(.grid) { display: grid; gap: 16px; padding: 12px 0 40px; }
.list-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  background: var(--yellow);
  transform: rotate(-.4deg);
  transition: transform var(--t), box-shadow var(--t);
}
.stack-list:not(.grid) .list-card:nth-child(6n+2) { background: var(--pink); }
.stack-list:not(.grid) .list-card:nth-child(6n+3) { background: var(--blue); color: var(--white); }
.stack-list:not(.grid) .list-card:nth-child(6n+4) { background: var(--green); }
.stack-list:not(.grid) .list-card:nth-child(6n+5) { background: var(--purple); }
.stack-list:not(.grid) .list-card:nth-child(6n+6) { background: var(--orange); }
.list-card:hover {
  transform: rotate(0deg) translate(-3px, -5px);
  box-shadow: var(--sh-lg);
}
.list-card h2 { font-family: var(--font-head); font-size: 1.25rem; margin: 6px 0; }
.list-card h2 a { color: inherit; }
.list-card-body { flex: 1; min-width: 0; }
.list-card-side { display: flex; align-items: center; }
.arrow-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  background: var(--white);
  border: var(--bd-thin);
  box-shadow: 3px 3px 0 var(--ink);
  font-weight: 900;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.tag-row:empty { display: none; }
.tag {
  font-size: 12px;
  font-weight: 700;
  border: var(--bd-thin);
  border-radius: 999px;
  padding: 2px 10px;
  background: rgba(255,255,255,.55);
  color: var(--ink);
}
.chip.category-tag { text-decoration: none; }

/* forms / buttons bridge */
button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 900;
  font-size: 16px;
  color: var(--ink);
  background: var(--yellow);
  border: var(--bd);
  border-radius: var(--r-sm);
  box-shadow: var(--sh-sm);
  padding: 12px 18px;
  cursor: pointer;
  transition: transform var(--t), box-shadow var(--t);
}
button:hover, .button:hover {
  transform: translate(-2px, -3px) rotate(-1deg);
  box-shadow: var(--sh-lg);
}
button:active, .button:active {
  transform: translate(2px, 2px);
  box-shadow: var(--sh-press);
}
button.secondary, .button.secondary {
  background: var(--white);
}
button.btn, .button.btn { /* already styled via .btn */ }
input, textarea, select {
  width: 100%;
  font: inherit;
  padding: 12px 14px;
  border: var(--bd);
  border-radius: 12px;
  background: var(--white);
  box-shadow: 3px 3px 0 var(--ink);
  color: var(--ink);
}
input:focus, textarea:focus, select:focus {
  outline: none;
  background: var(--yellow);
}
textarea { min-height: 120px; resize: vertical; }
label { display: grid; gap: 6px; font-weight: 700; }
.search-form, .stack-form, .auth-shell form { display: grid; gap: 14px; }
.search-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  margin: 12px 0 18px;
  background: var(--pink);
}
.error-banner {
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--pink);
  border: var(--bd-thin);
  color: var(--ink);
  font-weight: 700;
}
.success-banner {
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--green);
  border: var(--bd-thin);
  color: var(--ink);
  font-weight: 700;
}
.empty-state {
  display: inline-flex;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--white);
  border: 2px dashed var(--ink);
  color: rgba(20,20,20,.7);
  font-weight: 700;
}

/* auth */
.auth-shell { max-width: 1040px; margin: 32px auto 48px; }
.auth-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  gap: 24px;
  align-items: center;
}
.auth-copy h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  margin: 10px 0;
}
.auth-panel { max-width: 430px; width: 100%; background: var(--yellow); }
.account-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.account-form-stack, .account-status-panel, .account-shell { display: grid; gap: 16px; }
.auth-switch { text-align: center; font-size: .9rem; font-weight: 700; }
.auth-switch a { border-bottom: 3px solid var(--ink); }

/* note page */
.note-hero {
  justify-content: space-between;
  display: flex;
  gap: 20px;
  margin: 28px 0 20px;
  background: var(--yellow);
  transform: rotate(-.4deg);
}
.note-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.15;
  margin: 8px 0;
}
.note-summary { font-size: 1.05rem; max-width: 48rem; }
.note-hero-side { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-start; }
.hero-stat {
  min-width: 110px;
  padding: 14px;
  border-radius: 14px;
  background: var(--white);
  border: var(--bd);
  box-shadow: var(--sh-sm);
}
.hero-stat strong { display: block; font-family: var(--font-head); font-size: 1.2rem; }
.hero-stat span { font-size: .9rem; font-family: var(--font-mono); }

.note-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 300px;
  grid-template-areas: "sidebar article rail";
  gap: 20px;
  align-items: start;
  min-width: 0;
}
.note-article {
  grid-area: article;
  position: relative;
  min-width: 0;
  max-width: 100%;
  overflow: visible;
  overscroll-behavior: auto;
  transform: none;
  background: var(--white);
  transition: box-shadow var(--t), border-color var(--t), background-color var(--t);
}
.note-article,
.note-article:hover,
.note-article:active,
.note-article:focus-within,
.note-article.interactive-card:hover,
.note-article.note-card:hover {
  transform: none;
}
.note-article::before,
.note-article:hover::before,
.note-article.interactive-card:hover::before,
.note-article.note-card:hover::before {
  content: none;
  opacity: 0;
}
.note-article-body {
  position: relative;
  z-index: 1;
  min-width: 0;
  max-width: 100%;
}
.note-sidebar {
  grid-area: sidebar;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-self: stretch;
  min-width: 0;
}
.annotation-rail { grid-area: rail; position: relative; min-width: 0; }
.sidebar-card { background: var(--paper); }
.sidebar-card h2 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  margin: 0;
}
.sidebar-title-row {
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-panel .sidebar-title-row::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--pink);
  border: 2px solid var(--ink);
  flex-shrink: 0;
}
.toc-sticky-panel, .annotation-rail-card {
  position: sticky;
  top: 96px;
}
.toc-list, .link-list, .build-log {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.toc-list a, .link-list a { color: var(--ink); font-weight: 700; }
.toc-sticky-panel .toc-list { max-height: 50vh; overflow-y: auto; scroll-behavior: smooth; }
.toc-list a {
  display: inline-block;
  font-size: 0.97rem;
  font-weight: 500;
  transition: font-size 160ms ease-out, font-weight 160ms ease-out, color 160ms ease-out, transform 160ms ease-out;
}
.toc-list a:hover {
  font-size: 1.03rem;
  font-weight: 700;
  color: var(--pink);
  transform: translateX(2px);
}
.toc-list a.is-active {
  color: var(--pink);
  font-weight: 700;
  background: var(--yellow);
  border: var(--bd-thin);
  border-radius: 8px;
  padding: 2px 8px;
}
.toc-level-2 { padding-left: 12px; }
.toc-level-3, .toc-level-4, .toc-level-5, .toc-level-6 { padding-left: 24px; }

/* prose */
.prose { line-height: 1.8; min-width: 0; max-width: 100%; overflow-wrap: break-word; }
.prose h1, .prose h2, .prose h3 {
  font-family: var(--font-head);
  letter-spacing: .01em;
  margin-top: 1.4em;
}
.prose img { max-width: 100%; border-radius: 14px; border: var(--bd); box-shadow: var(--sh); }
.prose :where(img, video, iframe, figure, table, pre) { max-width: 100%; }
.responsive-image { display: block; max-width: 100%; margin: 1.5rem 0; }
.responsive-image img { width: 100%; height: auto; }
.katex-display { overflow-x: auto; overflow-y: hidden; padding: .4rem 0; }
.prose hr {
  border: none;
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--ink) 0 12px, transparent 12px 20px);
  margin: 28px 0;
  opacity: .35;
}
.prose blockquote {
  margin: 1.5rem 0;
  padding: .9rem 1rem;
  border: var(--bd);
  border-left-width: 8px;
  border-radius: 12px;
  background: var(--yellow);
  box-shadow: var(--sh-sm);
}
.prose pre {
  position: relative;
  overflow-x: auto;
  padding: 18px 18px 52px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 14px;
  border: var(--bd);
  box-shadow: var(--sh);
}
.prose code {
  background: var(--yellow);
  border: 1px solid var(--ink);
  padding: 1px 6px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: .92em;
}
.prose pre code { background: transparent; border: none; padding: 0; display: block; color: inherit; }
.broken-link { color: #c41e3a; font-weight: 900; text-decoration: underline; }
.copy-code-button {
  position: absolute;
  right: 14px;
  top: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  border: var(--bd-thin);
  background: var(--yellow);
  color: var(--ink);
  box-shadow: 3px 3px 0 var(--paper);
  font-weight: 900;
  font-size: 13px;
}
.copy-code-button.copied { background: var(--green); }
.math-inline .katex { font-size: 1.04em; }
.math-display, .math-block {
  margin: 1.6rem 0;
  padding: 1rem 1.2rem;
  border-radius: 14px;
  background: var(--white);
  border: var(--bd);
  box-shadow: var(--sh-sm);
  overflow-x: auto;
}
.math-block { padding: .2rem 1rem; }
.math-display .katex-display, .math-block .katex-display { margin: 0; }

/* annotations */
.annotation-comment-lane { position: relative; min-height: 220px; }
.annotation-empty {
  padding: 14px 16px;
  border-radius: 14px;
  border: 2px dashed var(--ink);
  background: var(--white);
}
.annotation-comment-card {
  position: absolute;
  left: 0;
  right: 0;
  display: grid;
  gap: 8px;
  padding: 0;
  border-radius: 14px;
  background: var(--white);
  border: var(--bd);
  box-shadow: var(--sh-sm);
  overflow: hidden;
  animation: annotation-card-in 220ms cubic-bezier(.2,.7,.2,1) both;
}
.annotation-comment-card:hover {
  transform: translate(-2px, -3px);
  box-shadow: var(--sh);
}
.annotation-comment-card::before {
  content: "";
  display: block;
  height: 6px;
  background: var(--annotation-color, var(--pink));
  border-bottom: var(--bd-thin);
}
.annotation-comment-head,
.annotation-comment-quote,
.annotation-comment-body {
  padding-left: 13px;
  padding-right: 13px;
}
.annotation-comment-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-top: 10px;
}
.annotation-comment-avatar {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--yellow);
  border: var(--bd-thin);
  font-size: .72rem;
  font-weight: 900;
  display: grid;
  place-items: center;
}
.annotation-comment-meta { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; min-width: 0; }
.annotation-comment-username { font-size: .82rem; font-weight: 900; }
.annotation-comment-visibility {
  display: inline-flex;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: .68rem;
  font-weight: 700;
  border: var(--bd-thin);
  font-family: var(--font-mono);
}
.annotation-comment-visibility.is-public { background: var(--green); }
.annotation-comment-visibility.is-private { background: var(--paper); }
.annotation-comment-quote {
  margin: 0 13px;
  padding: 0 0 0 10px;
  font-size: .8rem;
  border-left: 3px solid var(--annotation-color, var(--pink));
  font-style: italic;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.annotation-comment-body {
  margin: 0;
  padding-bottom: 12px;
  white-space: pre-wrap;
  line-height: 1.6;
  font-size: .88rem;
}
@keyframes annotation-card-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.annotation-auth-actions, .account-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.annotation-helper { margin: 0 0 12px; line-height: 1.65; }
.annotation-auth-actions form, .account-actions form { margin: 0; }
.note-annotation {
  position: relative;
  border-radius: .35em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  transition: box-shadow 180ms ease-out, filter 180ms ease-out;
}
.note-annotation.has-highlight {
  background: var(--annotation-color, #FFD21F);
  box-shadow: inset 0 0 0 1px var(--ink);
}
.note-annotation.has-comment {
  border-bottom: 3px dashed var(--annotation-color, var(--pink));
  padding-bottom: .06em;
}
.note-annotation.annotation-segment-end.has-comment::after {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  margin-left: .18rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--yellow);
  font-size: .72rem;
  font-weight: 900;
}
.note-annotation.is-active {
  box-shadow: inset 0 0 0 2px var(--ink), 0 0 0 3px var(--yellow);
}
@keyframes annotation-text-flash {
  0%, 100% { filter: brightness(1); }
  20%, 60% { filter: brightness(1.2); }
  40%, 80% { filter: brightness(1); }
}
.note-annotation.is-flashing { animation: annotation-text-flash 700ms ease-in-out both; }
@keyframes annotation-card-flash {
  0%, 100% { background-color: var(--white); }
  20%, 60% { background-color: var(--yellow); }
  40%, 80% { background-color: var(--white); }
}
.annotation-comment-card.is-flashing { animation: annotation-card-flash 700ms ease-in-out both; }

.annotation-toolbar {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--white);
  border: var(--bd);
  box-shadow: var(--sh);
}
.annotation-toolbar[hidden] { display: none; }
.annotation-toolbar button,
.annotation-toolbar .button {
  padding: 10px 14px;
  border-radius: 12px;
}
.annotation-toolbar-button { background: var(--yellow); }
.annotation-toolbar button.secondary { background: var(--white); }
.annotation-toolbar-button.danger { background: var(--pink); }
.annotation-color-input,
.annotation-toolbar input[type="color"] {
  width: 42px;
  min-width: 42px;
  height: 42px;
  padding: 4px;
  border-radius: 12px;
  border: var(--bd);
  background: var(--white);
  box-shadow: none;
  cursor: pointer;
}
.annotation-modal-shell[hidden] { display: none; }
.annotation-modal-shell { position: fixed; inset: 0; z-index: 90; }
.annotation-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20,20,20,.35);
}
.annotation-modal {
  position: relative;
  width: min(520px, calc(100vw - 32px));
  margin: min(12vh, 96px) auto 0;
  display: grid;
  gap: 16px;
  padding: 24px;
  background: var(--paper);
  border: var(--bd);
  box-shadow: 10px 10px 0 var(--ink);
}
.annotation-modal-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}
.annotation-modal-head h2 { margin: 6px 0 0; font-family: var(--font-head); }
.annotation-modal-quote {
  margin: 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--yellow);
  border: var(--bd-thin);
  line-height: 1.6;
}
.annotation-modal-field { display: grid; gap: 8px; }
.annotation-modal-field span { font-size: .92rem; font-weight: 700; }
.annotation-modal textarea { min-height: 140px; }
.annotation-modal-actions { display: flex; justify-content: flex-end; gap: 10px; }
.annotation-visibility-select,
.annotation-modal-visibility {
  width: 100%;
  min-width: 0;
  background: var(--white);
  color: var(--ink);
}
body.annotation-modal-open { overflow: hidden; }

/* admin */
.admin-header, .polished-admin-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 28px;
}
.admin-header h1,
.polished-admin-header h1,
.stack-header h1:not(.section-title) {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.1;
  margin: 6px 0;
}
.admin-panel-stack > .panel,
.admin-grid > .panel {
  background: var(--yellow);
}
.admin-grid > .admin-panel-stack > .panel:nth-child(even) {
  background: var(--green);
}
.admin-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.admin-grid {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  align-items: start;
  gap: 20px;
  margin-bottom: 20px;
}
.admin-grid > .admin-panel-stack { align-self: start; min-height: 0; }
.admin-grid > .panel.wide {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: clamp(520px, 66vh, 720px);
  min-height: 0;
  background: var(--blue);
  color: var(--white);
}
@media (min-width: 981px) {
  .dashboard-grid { position: relative; }
  .dashboard-grid > .panel.wide {
    position: absolute;
    inset: 0;
    grid-column: 2;
    grid-row: 1;
    height: auto;
  }
}
.admin-grid > .panel.wide .panel-title-row { flex-shrink: 0; box-sizing: border-box; }
.admin-grid > .panel.wide .stack-list.compact {
  position: absolute;
  top: calc(22px + 50px);
  bottom: 22px;
  left: 22px;
  right: 22px;
  overflow-y: auto;
  padding-right: 6px;
}
.admin-grid > .panel.wide .admin-note-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: min(100%, 920px);
  min-height: 0;
  overflow-y: auto;
  padding-right: 8px;
}
.editor-grid { display: grid; grid-template-columns: 360px minmax(0, 1fr); gap: 20px; }
.editor-textarea { min-height: 620px; font-family: var(--font-mono); }
.admin-panel-stack { display: grid; gap: 16px; }
.admin-form-hint { font-size: .92rem; }
.admin-banner { margin-bottom: 20px; }
.admin-users-grid,
.admin-user-detail-grid { align-items: start; }
.admin-empty-state { padding: 12px 0 4px; }
.admin-user-row { gap: 20px; align-items: center; }
.admin-user-copy { display: grid; gap: 12px; min-width: 0; }
.admin-user-metrics { display: flex; gap: 12px; flex-wrap: wrap; }
.admin-user-pill { min-width: 132px; }
.admin-danger-zone { gap: 12px; }
.admin-danger-button {
  background: var(--pink) !important;
}
.compact { gap: 12px; }
.list-card.compact { align-items: center; }
.list-card.compact > div:first-child { flex: 1; min-width: 0; }
.panel-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.panel-title-row h2 { font-family: var(--font-head); font-size: 1.2rem; margin: 0; }
.panel-title-row.second { margin-top: 32px; }
.panel-chip {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 10px;
  border: var(--bd-thin);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
}
.admin-note-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) max-content;
  align-items: start;
  gap: 12px 18px;
  min-height: 0;
  padding: 18px 20px;
  background: var(--white);
  color: var(--ink);
  border: var(--bd);
  border-radius: 14px;
  box-shadow: var(--sh-sm);
  flex-shrink: 0;
}
.admin-note-copy {
  display: grid;
  align-self: start;
  gap: 10px;
  min-width: 0;
}
.admin-note-row h3,
.admin-note-row p {
  overflow-wrap: anywhere;
  word-break: break-word;
}
.admin-note-row h3 {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.28;
  font-family: var(--font-head);
}
.admin-note-row p {
  font-size: .95rem;
  line-height: 1.6;
}
.admin-note-row .button {
  align-self: start;
  justify-self: end;
  min-width: 76px;
  padding: 10px 16px;
  white-space: nowrap;
}
.wide, .wide-editor { min-width: 0; }
.account-pill {
  display: grid;
  gap: 2px;
  min-width: 180px;
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--white);
  border: var(--bd);
  box-shadow: var(--sh-sm);
}
.upload-progress-container {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.upload-progress-bar-bg {
  flex: 1;
  height: 10px;
  background: var(--white);
  border: var(--bd-thin);
  border-radius: 999px;
  overflow: hidden;
}
.upload-progress-bar {
  width: 0%;
  height: 100%;
  background: var(--green);
  transition: width .2s ease;
}
.upload-progress-text {
  font-size: .85rem;
  font-weight: 900;
  font-family: var(--font-mono);
  min-width: 3em;
  text-align: right;
}

/* audio */
.audio-player {
  margin: 1.5rem 0;
  border-radius: 14px;
  background: var(--white);
  border: var(--bd);
  box-shadow: var(--sh-sm);
  overflow: hidden;
}
.audio-player-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
}
.audio-play-btn {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: var(--bd);
  background: var(--pink);
  color: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--sh-sm);
  padding: 0;
}
.audio-play-btn svg { width: 18px; height: 18px; }
.audio-play-btn .audio-icon-pause { display: none; }
.audio-play-btn.is-playing .audio-icon-play { display: none; }
.audio-play-btn.is-playing .audio-icon-pause { display: block; }
.audio-play-btn svg * {
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}
.audio-icon-play path { fill: currentColor; stroke: none; }
.audio-icon-pause rect { fill: currentColor; stroke: none; }
.audio-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.audio-label {
  font-size: .875rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.audio-time {
  font-size: .75rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.audio-progress-wrap {
  flex: 2;
  height: 10px;
  border-radius: 999px;
  background: var(--paper);
  border: var(--bd-thin);
  cursor: pointer;
  overflow: hidden;
}
.audio-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--blue);
  transition: width 100ms linear;
}

/* video */
.video-player {
  margin: 1.8rem 0;
  display: block;
  inline-size: 100%;
  max-inline-size: 100%;
  min-inline-size: 0;
  border: var(--bd);
  border-radius: var(--r);
  background: var(--ink);
  box-shadow: var(--sh);
  overflow: hidden;
  contain: inline-size layout paint;
}
.video-player-frame {
  position: relative;
  display: block;
  inline-size: 100%;
  max-inline-size: 100%;
  min-inline-size: 0;
  aspect-ratio: 16 / 9;
  max-block-size: min(68vh, 720px);
  background: #020617;
  overflow: hidden;
  font-size: clamp(12px, 1.5vw, 14px);
}
.video-player:fullscreen {
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: #000;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-player:fullscreen .video-player-frame {
  width: 100%;
  height: 100%;
  max-block-size: none;
  aspect-ratio: auto;
}
.video-player:fullscreen .video-player-media { object-fit: contain; }
.video-player-media {
  position: absolute;
  inset: 0;
  display: block;
  inline-size: 100%;
  block-size: 100%;
  max-inline-size: 100%;
  max-block-size: 100%;
  min-inline-size: 0;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}
.video-danmaku-layer {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}
.video-danmaku-item {
  position: absolute;
  left: 100%;
  top: var(--danmaku-top, 12%);
  max-width: 80%;
  white-space: nowrap;
  color: #fff;
  font-size: var(--danmaku-font-size, 1.25rem);
  font-weight: 900;
  text-shadow: 0 1px 2px rgba(0,0,0,.9), 0 0 8px rgba(0,0,0,.55);
  animation: danmaku-fly 7.5s linear forwards;
}
@keyframes danmaku-fly {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-100vw - 100%)); }
}
.video-player-ui {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  display: flex;
  flex-direction: column-reverse;
  gap: .6em;
  padding: .8em;
  pointer-events: none;
  opacity: 0;
  transform: translateY(1em);
  transition: opacity 250ms ease-out, transform 250ms cubic-bezier(.2,.7,.2,1);
  font-size: clamp(10px, 2.2cqw, 15px);
}
.video-player.is-controls-visible .video-player-ui,
.video-player:not(.is-playing) .video-player-ui {
  opacity: 1;
  transform: translateY(0);
}
.video-player-ui > * { pointer-events: auto; }
.video-controls {
  display: grid;
  grid-template-columns: auto minmax(2em, 1fr) auto auto auto auto auto;
  gap: .5em;
  align-items: center;
  padding: .6em .8em;
  border-radius: 1em;
  background: rgba(255, 255, 255, 0.94);
  border: var(--bd);
  color: var(--ink);
  box-shadow: var(--sh-sm);
}
.video-control-button {
  min-width: 2.4em;
  min-height: 2.4em;
  padding: 0;
  border-radius: .75em;
  background: rgba(0, 174, 236, 0.08);
  box-shadow: none;
  color: #00a1d6;
  font-size: 1.1em;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-progress {
  height: .5em;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--ink);
  cursor: pointer;
  position: relative;
}
.video-progress-fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: #00a1d6;
}
.video-time {
  font-size: .85em;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.video-volume-control {
  display: flex;
  align-items: center;
  gap: .4em;
  font-size: .85em;
}
.video-volume-control input[type="range"] {
  width: 4em;
  padding: 0;
  box-shadow: none;
  border: none;
  accent-color: var(--pink);
}
.video-speed-select,
.video-danmaku-size-select {
  padding: .3em .5em;
  border-radius: .6em;
  border: var(--bd-thin);
  background: var(--paper);
  color: var(--ink);
  font-size: .85em;
  cursor: pointer;
  box-shadow: none;
}
.video-fullscreen-button svg {
  width: 1.1em;
  height: 1.1em;
  stroke: currentColor;
  stroke-width: 2.2;
}
.video-danmaku-form {
  display: none;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .5em;
  padding: .5em;
  border-radius: 1em;
  background: var(--white);
  border: var(--bd);
  box-shadow: var(--sh-sm);
}
.video-danmaku-form.is-enabled { display: grid; }
.video-danmaku-color {
  width: 2.2em;
  height: 2.2em;
  padding: .2em;
  border-radius: .6em;
  background: transparent;
  border: var(--bd-thin);
  box-shadow: none;
}
.video-danmaku-form input[type="text"] {
  height: 2.2em;
  padding: 0 .8em;
  border-radius: .6em;
  border: var(--bd-thin);
  background: var(--paper);
  box-shadow: none;
}
.video-danmaku-form button {
  height: 2.2em;
  padding: 0 1em;
  border-radius: .6em;
  background: var(--pink);
  box-shadow: none;
}
.video-danmaku-login {
  align-self: flex-end;
  padding: .5em 1em;
  border-radius: 999px;
  background: var(--yellow);
  border: var(--bd-thin);
  color: var(--ink);
  font-size: .85em;
  font-weight: 900;
}
.video-load-button {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  transform: translate(-50%, -50%);
  padding: .8em 1.5em;
  border-radius: 1em;
  background: #00a1d6;
  color: #fff;
  font-weight: 900;
  border: var(--bd);
  box-shadow: var(--sh);
}
.video-load-button::before {
  content: none;
}
.video-load-button:hover {
  transform: translate(-50%, -50%) scale(1.05);
  background: #00aeec;
}
.video-load-button:active {
  transform: translate(-50%, -50%) scale(0.96);
}
.video-player.is-loaded .video-load-button { display: none; }

/* reveal */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 420ms cubic-bezier(.2,.7,.2,1) var(--reveal-delay, 0ms),
    transform 420ms cubic-bezier(.2,.7,.2,1) var(--reveal-delay, 0ms);
}
.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.note-article.reveal-on-scroll,
.note-article.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: none;
  transition: box-shadow 200ms cubic-bezier(.2,.75,.2,1), border-color 200ms ease-out, background-color 200ms ease-out;
}

.turnstile-lazy {
  min-height: 0;
  color: rgba(20,20,20,.7);
  font-size: .875rem;
}
.turnstile-lazy[data-turnstile-error="true"] { color: #c41e3a; font-weight: 700; }

/* responsive extras */
@media (max-width: 980px) {
  .hero-grid,
  .admin-grid,
  .editor-grid,
  .auth-grid,
  .account-grid {
    grid-template-columns: 1fr;
  }
  .note-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "article"
      "sidebar"
      "rail";
  }
  .search-panel { grid-template-columns: 1fr; }
  .list-card, .note-hero { flex-direction: column; align-items: stretch; }
  .annotation-rail-card { position: relative; top: auto; }
  .annotation-comment-lane { min-height: 0; display: grid; gap: 12px; }
  .annotation-comment-card {
    position: relative;
    left: auto;
    right: auto;
    top: auto !important;
  }
  .hero-mascot-panel { min-height: 360px; --mascot-size: 110px; }
}
@media (max-width: 768px) {
  .nav { flex-wrap: wrap; }
  .nav-toggle { display: flex; margin-left: auto; }
  .nav__links,
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(280px, 85vw);
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    margin-left: 0;
    padding: 5rem 1.5rem 2rem;
    gap: .5rem;
    background: var(--white);
    border-left: var(--bd);
    box-shadow: -8px 0 0 rgba(20,20,20,.12);
    transform: translateX(100%);
    transition: transform 280ms cubic-bezier(.4,0,.2,1);
    z-index: 150;
    overflow-y: auto;
  }
  .nav-links.is-open { transform: translateX(0); }
  .nav__link, .nav-link {
    width: 100%;
    justify-content: flex-start;
    border-radius: 12px;
  }
  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(20,20,20,.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 280ms ease;
    z-index: 140;
  }
  .nav-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
  }
}
@media (max-width: 640px) {
  .admin-note-row {
    grid-template-columns: 1fr;
  }
  .admin-note-row .button { justify-self: start; }
  .video-player-ui { padding: .4em; gap: .3em; }
  .video-controls {
    grid-template-columns: auto auto 1fr auto auto auto;
    grid-template-rows: auto auto;
    padding: .4em .6em;
    gap: .3em .5em;
  }
  .video-progress {
    grid-column: 1 / -1;
    order: -1;
    height: .4em;
    margin-bottom: .2em;
  }
  .video-play-toggle,
  .video-time,
  .video-volume-control,
  .video-speed-select,
  .video-danmaku-size-select,
  .video-fullscreen-button { grid-row: 2; }
}

/* footer top link as button already in design; ensure anchor works */
.footer__top { cursor: pointer; }

/* interactive-card hover for panels (not note-article) */
.interactive-card:not(.note-article):hover {
  transform: translate(-2px, -4px);
  box-shadow: var(--sh-lg);
}
.interactive-card-subtle:hover {
  transform: translate(-1px, -2px);
}