/* Ting-Chun Liu — editorial, gallery-catalogue layout.
   White ground, text and image composed on one grid, one rare red accent. */

:root {
  --bg: #fff;
  --ink: #141414;
  --mut: #6e6e6e;
  --dim: #9a9a9a;
  --line: #e6e6e6;
  --tint: #f4f4f2;
  --red: #e4032e;

  --side-w: 280px;
  --pad: 44px;
  --gap: 14px;          /* gutter between plates */
  --col: 660px;         /* information column (work text) */
  --plates-max: 820px;  /* image field on work pages */
  --label: 340px;       /* heading column on list pages */

  --sans: "Helvetica Neue", Helvetica, Arial, "PingFang TC", "Noto Sans TC", "Noto Sans CJK TC", "Microsoft JhengHei", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, "Courier New", monospace;

  --fs-body: 18.5px;
  --fs-meta: 14px;
  --fs-title: clamp(32px, 3.4vw, 48px);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: var(--fs-body)/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img, iframe, video, canvas { display: block; max-width: 100%; border: 0; }
h1, h2, h3, h4 { font-weight: 700; margin: 0; letter-spacing: -0.01em; }
p, figure { margin: 0; }
button { font: inherit; color: inherit; }
::selection { background: var(--ink); color: var(--bg); }

.mono { font-family: var(--mono); font-size: var(--fs-meta); letter-spacing: 0; }
.mut { color: var(--mut); }
.idx { font-family: var(--mono); font-size: var(--fs-meta); color: var(--mut); font-weight: 400; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* underlined links inside running text */
.prose a, .meta a, .cv-row a, .contact a {
  text-decoration: underline; text-decoration-thickness: 1px;
  text-underline-offset: 3px; text-decoration-color: var(--dim);
}
.prose a:hover, .meta a:hover, .cv-row a:hover, .contact a:hover { text-decoration-color: var(--ink); }

/* ---------- sidebar ---------- */
.side {
  position: fixed; inset: 0 auto 0 0; width: var(--side-w);
  padding: 44px 36px 36px;
  display: flex; flex-direction: column;
  background: var(--bg); z-index: 10;
}
.brand { display: block; line-height: 1.25; }
.brand-en { display: block; font-size: 23px; font-weight: 700; letter-spacing: -0.01em; }
.brand-zh { display: block; font-size: 16.5px; color: var(--mut); margin-top: 2px; }
.menu-btn { display: none; }

.nav { margin-top: 64px; display: flex; flex-direction: column; gap: 10px; }
.nav a { display: flex; align-items: baseline; font-size: 20px; color: var(--mut); width: fit-content; transition: color .15s; }
.nav .gap { height: 1.1em; }
.nav a:hover, .nav a.on { color: var(--ink); }

.side-foot { margin-top: auto; font-family: var(--mono); font-size: 13px; color: var(--mut); line-height: 1.9; }
.side-foot a:hover { color: var(--ink); }
.side-foot .links { display: flex; gap: 14px; }
.side-foot .legal { display: flex; gap: 14px; margin-top: 6px; }

/* ---------- legal pages ---------- */
.legal-page { max-width: 780px; font-size: 17.5px; line-height: 1.7; }
.legal-page h2 { font-size: 20px; margin: 2.2em 0 .6em; }
.legal-page p, .legal-page ul { margin: 0 0 1em; }
.legal-page .en { color: var(--mut); }
.legal-page .todo { background: #fff3a8; padding: 0 .2em; }
.legal-page button { font-family: var(--mono); font-size: 13px; background: none; border: 1px solid var(--ink); padding: 6px 12px; cursor: pointer; }
.signal { width: 100%; height: 40px; margin-bottom: 18px; }

/* language switch */
.langs { display: flex; gap: 14px; margin-top: 36px; font-family: var(--mono); font-size: 14px; color: var(--mut); }
.langs a { padding-bottom: 1px; border-bottom: 1px solid transparent; }
.langs a:hover { color: var(--ink); }
.langs a.on { color: var(--ink); border-bottom-color: var(--ink); }

/* ---------- main ---------- */
.main { margin-left: var(--side-w); min-height: 100vh; padding: 44px var(--pad) 120px 0; }
.main.full { padding: 0; }

.page-head { display: grid; grid-template-columns: var(--label) 1fr; gap: 48px; align-items: end; margin-bottom: 56px; }
.page-title { font-size: var(--fs-title); line-height: 1.1; }
.page-head .lead { color: var(--mut); max-width: 760px; }

/* ---------- home ---------- */
.home-hero { position: relative; height: 100vh; min-height: 560px; overflow: hidden; }
.home-hero .field { position: absolute; inset: 0; }
.home-hero .field canvas { width: 100% !important; height: 100% !important; }
.home-statement {
  position: absolute; left: 0; bottom: 72px; right: var(--pad);
  max-width: 820px; font-size: clamp(24px, 2.6vw, 36px); line-height: 1.3; font-weight: 700; letter-spacing: -0.015em;
}
.home-statement span { background: var(--bg); box-decoration-break: clone; -webkit-box-decoration-break: clone; padding: 0 .12em; }
.home-selected { padding: 96px var(--pad) 120px 0; }
.home-selected .more { display: inline-block; margin-top: 40px; font-family: var(--mono); font-size: var(--fs-meta); border-bottom: 1px solid var(--ink); }

/* ---------- plates / cards ---------- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 56px var(--gap); }
.card { display: block; }
.card .thumb { aspect-ratio: 3 / 2; background: var(--tint); overflow: hidden; display: flex; align-items: center; justify-content: center; }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1), opacity .3s; }
a.card:hover .thumb img { transform: scale(1.025); }
.card .ph { padding: 20px; text-align: center; color: var(--mut); font-size: 16px; }
.card .cap { display: grid; grid-template-columns: 1fr auto; gap: 0 8px; margin-top: 14px; align-items: baseline; }
.card .cap .t { font-weight: 700; font-size: 19px; line-height: 1.35; }
.card .cap .zh { display: block; font-weight: 400; color: var(--mut); font-size: 16.5px; }
.card .cap .mono { color: var(--mut); }
a.card:hover .cap .t { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }

/* ---------- work: information column + image field ---------- */
.work { display: grid; grid-template-columns: var(--col) minmax(0, 1fr); gap: 56px; align-items: start; }
.work-info { min-width: 0; }
.work-info .idx { display: block; margin-bottom: 14px; }
.work-info h1 { font-size: clamp(28px, 2.6vw, 38px); line-height: 1.15; }
.work-info .zh { font-size: 20px; color: var(--mut); margin-top: 6px; }

.meta { display: grid; grid-template-columns: 6.2em 1fr; gap: 6px 12px; margin: 28px 0 0; font-size: 15.5px; line-height: 1.5; }
.meta dt { font-family: var(--mono); font-size: 13px; color: var(--mut); padding-top: 2px; }
.meta dd { margin: 0; }

.work-info .prose { margin-top: 32px; font-size: 18px; line-height: 1.75; }
.work-info .prose p + p { margin-top: .9em; }
.work-info .prose h3 { font-size: 18px; margin: 1.6em 0 .5em; }
.credits { margin-top: 24px; font-family: var(--mono); font-size: 13px; line-height: 1.7; color: var(--mut); white-space: pre-line; }

.plates { display: flex; flex-direction: column; gap: var(--gap); min-width: 0; }
.plates .cols { columns: 2; column-gap: var(--gap); }
.plates .cols figure { break-inside: avoid; margin-bottom: var(--gap); }
.plates .clip video { width: 100%; height: auto; background: #000; }
.plates img { width: 100%; height: auto; background: var(--tint); }

.embed { position: relative; aspect-ratio: 16 / 9; background: #000; overflow: hidden; }
.embed iframe, .embed video { position: absolute; inset: 0; width: 100%; height: 100%; }
button.embed.lite { display: block; width: 100%; padding: 0; border: 0; cursor: pointer; }
button.embed.lite img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity .3s; opacity: .92; }
button.embed.lite:hover img { opacity: 1; }
.embed .play { position: absolute; left: 24px; bottom: 20px; font-family: var(--mono); font-size: 13px; color: #fff; background: rgba(0,0,0,.6); padding: 6px 10px; }
.embed .play::before { content: "▶  Play"; }

.pager {
  grid-column: 1 / -1; margin-top: 96px; padding-top: 22px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 32px; font-size: 16.5px;
}
.pager a { display: flex; flex-direction: column; gap: 4px; max-width: 45%; }
.pager a:last-child { text-align: right; margin-left: auto; }
.pager .mono { color: var(--mut); }
.pager a:hover .t { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- performance ---------- */
.perf { display: grid; grid-template-columns: repeat(2, 1fr); gap: 64px var(--gap); }
.perf-card { display: block; }
.perf-card .thumb { position: relative; aspect-ratio: 16 / 9; background: var(--tint); overflow: hidden; }
.perf-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.perf-card:hover .thumb img { transform: scale(1.025); }
.perf-card .watch { position: absolute; left: 16px; bottom: 14px; font-family: var(--mono); font-size: 13px; color: #fff; background: rgba(0,0,0,.62); padding: 6px 10px; }
.perf-card:hover .watch { background: var(--red); }
.perf .cap { margin-top: 14px; }
.perf h2 { font-size: 19px; line-height: 1.35; }
.perf-card:hover h2 { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.perf p { font-size: 15.5px; color: var(--mut); margin-top: 4px; }

/* ---------- about / cv ---------- */
.about-top { display: grid; grid-template-columns: var(--label) 1fr; gap: 48px; margin-bottom: 88px; }
.bio { font-size: clamp(21px, 1.9vw, 26px); line-height: 1.45; max-width: 1100px; letter-spacing: -0.005em; }
.contact { margin-top: 28px; font-family: var(--mono); font-size: var(--fs-meta); }
.cv-sec { display: grid; grid-template-columns: var(--label) 1fr; gap: 48px; padding: 28px 0 32px; border-top: 1px solid var(--line); }
.cv-sec h2 { font-size: 19px; }
.cv-sec h2 .idx { display: block; margin-bottom: 4px; }
.cv-row { display: grid; grid-template-columns: 7.5em 1fr; gap: 16px; padding: 5px 0; font-size: 16.5px; line-height: 1.55; }
.cv-row .mono { color: var(--mut); padding-top: 2px; }

/* ---------- blog ---------- */
.year-group { display: grid; grid-template-columns: var(--label) 1fr; gap: 48px; padding: 26px 0; border-top: 1px solid var(--line); }
.year-group > .mono { font-size: 16px; color: var(--ink); }
.year-group ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 26px; }
.year-group a { display: grid; grid-template-columns: 1fr auto; gap: 4px 24px; }
.year-group .t { font-size: 21px; font-weight: 700; line-height: 1.4; }
.year-group .ex { grid-column: 1; color: var(--mut); font-size: 16.5px; line-height: 1.6; }
.year-group .cat { grid-row: 1; grid-column: 2; color: var(--mut); }
.year-group a:hover .t { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }

.post { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1040px); gap: 48px; align-items: start; }
.post > *, .work > * { min-width: 0; }
.post-info { position: sticky; top: 44px; }
.post-info h1 { font-size: clamp(26px, 2.4vw, 34px); line-height: 1.25; }
.post-info .meta { margin-top: 22px; }
.post-info .back { display: inline-block; margin-top: 28px; font-family: var(--mono); font-size: 13px; color: var(--mut); }
.post-info .back:hover { color: var(--ink); }

.post-body { font-size: 18.5px; line-height: 1.9; }
.post-body p { margin: 0 0 1.15em; }
.post-body h3, .post-body h4 { font-size: 21px; margin: 2.2em 0 .8em; }
.post-body ul, .post-body ol { padding-left: 1.3em; margin: 0 0 1.15em; }
.post-body li { margin: .25em 0; }
.post-body blockquote { margin: 1.6em 0; padding: 0 0 0 20px; border-left: 2px solid var(--ink); color: #333; }
.post-body pre { background: var(--tint); padding: 16px 18px; overflow-x: auto; margin: 0 0 1.3em; font: 14.5px/1.65 var(--mono); tab-size: 4; }
.post-body code { font-family: var(--mono); font-size: .88em; }
.post-body hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }
.post-body figure { margin: 2em 0; }
.post-body img { width: auto; max-width: 100%; height: auto; }
.post-body figcaption { font-family: var(--mono); font-size: 13px; color: var(--mut); margin-top: 8px; line-height: 1.6; }
.post-body .embed { margin: 2em 0; }

/* ---------- friends ---------- */
.grid.friends { grid-template-columns: repeat(5, 1fr); gap: 40px var(--gap); }
.grid.friends .thumb { aspect-ratio: 1 / 1; }
.grid.friends .cap { grid-template-columns: 1fr auto; }
.grid.friends .cap .t { font-size: 16.5px; }

/* ---------- analytics consent ---------- */
.consent {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 30; margin-left: auto; max-width: 440px;
  background: var(--ink); color: var(--bg); padding: 16px 18px; font-size: 13.5px; line-height: 1.55;
  display: grid; grid-template-columns: 1fr auto auto; gap: 8px 14px; align-items: center;
}
.consent p { grid-column: 1 / -1; }
.consent button { background: none; border: 1px solid rgba(255,255,255,.4); padding: 5px 12px; cursor: pointer; font-family: var(--mono); font-size: 12px; }
.consent button.ok { background: var(--bg); color: var(--ink); border-color: var(--bg); }
.consent .note { font-family: var(--mono); font-size: 11.5px; opacity: .65; grid-column: 1; }

/* ---------- responsive ---------- */
@media (max-width: 1280px) {
  :root { --col: 500px; --label: 280px; --pad: 40px; --plates-max: 640px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .grid.friends { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 1000px) {
  .work, .post, .page-head, .about-top, .cv-sec, .year-group { grid-template-columns: 1fr; gap: 24px; }
  .work .plates { max-width: 760px; }
  .work-info, .post-info { position: static; max-height: none; overflow: visible; }
  .perf { grid-template-columns: 1fr; }
}
@media (max-width: 800px) {
  :root { --pad: 18px; --fs-body: 17.5px; }
  .side {
    position: sticky; top: 0; inset: auto; width: auto; padding: 14px 18px;
    border-bottom: 1px solid var(--line);
  }
  .side-head { display: flex; justify-content: space-between; align-items: center; }
  .brand-en, .brand-zh { display: inline; font-size: 18px; }
  .brand-zh { margin-left: 8px; font-size: 15px; }
  .menu-btn { display: block; background: none; border: 0; padding: 4px 0; font-family: var(--mono); font-size: 13px; cursor: pointer; }
  .nav, .side-foot, .langs { display: none; }
  .side.open .nav { display: flex; margin-top: 24px; }
  .side.open .langs { display: flex; margin-top: 22px; }
  .side.open .side-foot { display: block; margin-top: 28px; }
  .signal { display: none; }
  .main { margin-left: 0; padding: 28px var(--pad) 80px; }
  .main.full { padding: 0; }
  .home-hero { height: calc(100svh - 55px); min-height: 440px; }
  .home-statement { left: var(--pad); right: var(--pad); bottom: 32px; font-size: 25px; }
  .home-selected { padding: 64px var(--pad) 80px; }
  .grid { grid-template-columns: 1fr; gap: 44px; }
  .grid.friends { grid-template-columns: repeat(2, 1fr); }
  .plates .cols { columns: 1; }
  .page-head { margin-bottom: 36px; }
  .post-body { font-size: 18px; line-height: 1.85; }
  .post-body pre { margin-left: calc(var(--pad) * -1); margin-right: calc(var(--pad) * -1); max-width: none; }
  .year-group a { grid-template-columns: 1fr; }
  .year-group .cat { grid-row: auto; grid-column: 1; }
  .cv-row { grid-template-columns: 5.6em 1fr; }
  .pager { flex-direction: column; }
  .pager a, .pager a:last-child { max-width: none; text-align: left; margin-left: 0; }
  .consent { left: 10px; right: 10px; bottom: 10px; padding: 12px 14px; font-size: 12.5px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}