/* ── Reset & Base ─────────────────────────────────────── */

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

:root {
  --red: #cc0000;
  --black: #111111;
  --gray: #888888;
  --light-gray: #dddddd;
  --white: #ffffff;
  --font-mono: "Fira Code", "IBM Plex Mono", "Courier New", monospace;
  --card-gap: 20px;
}

html {
  font-size: 14px;
  background: var(--white);
  color: var(--black);
}

body {
  font-family: var(--font-mono);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── Header ───────────────────────────────────────────── */

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 24px 32px;
  border-bottom: 1px solid var(--light-gray);
}

.site-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--red);
}

nav a {
  font-size: 13px;
  color: var(--gray);
  letter-spacing: 0.03em;
  margin-left: 20px;
}

nav a:hover,
nav a.active {
  color: var(--black);
}

/* ── Main ─────────────────────────────────────────────── */

main {
  flex: 1;
  padding: 32px;
}

/* ── Work Grid (homepage) ─────────────────────────────── */

.work-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--card-gap);
}

@media (max-width: 1100px) {
  .work-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 760px) {
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  main { padding: 20px; }
}

@media (max-width: 480px) {
  .work-grid { grid-template-columns: 1fr; }
}

/* ── Work Card ────────────────────────────────────────── */

.work-card {
  display: block;
  border: 1px solid transparent;
  transition: border-color 0.15s ease;
  cursor: pointer;
}

.work-card:hover,
.work-card:focus {
  border-color: var(--red);
  outline: none;
}

.work-card:focus {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

.card-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f5f5f5;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.2s ease;
}

.work-card:hover .card-image img {
  opacity: 0.9;
}

.card-image.no-image {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light-gray);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.card-body {
  padding: 10px 2px 14px;
}

.card-title {
  margin-bottom: 8px;
}

.card-title-zh {
  display: block;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--black);
}

.card-title-ja {
  display: block;
  font-size: 12px;
  color: var(--gray);
  line-height: 1.4;
  margin-top: 1px;
}

.card-title-en {
  display: block;
  font-size: 11px;
  color: #aaaaaa;
  line-height: 1.4;
  letter-spacing: 0.04em;
  margin-top: 1px;
}

.card-meta {
  font-size: 11px;
  color: #aaaaaa;
  letter-spacing: 0.06em;
}

/* ── Work Page (detail) ───────────────────────────────── */

.work-page {
  max-width: 900px;
}

.work-back {
  display: inline-block;
  font-size: 12px;
  color: var(--gray);
  margin-bottom: 32px;
  letter-spacing: 0.04em;
}

.work-back:hover {
  color: var(--red);
}

.work-header {
  margin-bottom: 40px;
}

.work-title-zh {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.3;
}

.work-title-ja {
  font-size: 16px;
  color: var(--gray);
  margin-top: 4px;
  line-height: 1.4;
}

.work-title-en {
  font-size: 14px;
  color: #aaaaaa;
  margin-top: 2px;
  letter-spacing: 0.04em;
}

.work-meta {
  margin-top: 12px;
  font-size: 12px;
  color: #aaaaaa;
  letter-spacing: 0.04em;
}

.work-materials::before {
  content: "·";
  margin: 0 8px;
}

/* ── Work Images ──────────────────────────────────────── */

.work-cover {
  width: 100%;
  margin-bottom: 8px;
}

.work-cover img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
}

.work-images {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.work-images a {
  display: block;
  width: 120px;
  height: 90px;
  overflow: hidden;
  border: 1px solid var(--light-gray);
  flex-shrink: 0;
}

.work-images a:hover {
  border-color: var(--red);
}

.work-images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── Work Video ───────────────────────────────────────── */

.work-video {
  margin-bottom: 40px;
}

.video-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
}

.video-embed iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

/* ── Work Text images ────────────────────────────────── */

.work-text img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px 0;
}

/* ── Gallery ──────────────────────────────────────────── */

.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  margin: 32px 0;
}

/* 3-image gallery: one balanced row */
.gallery:has(img:nth-child(3):last-child) {
  grid-template-columns: repeat(3, 1fr);
}

.gallery img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center;
  display: block;
  cursor: crosshair;
}

.gallery img:hover {
  outline: 1px solid var(--red);
  outline-offset: -1px;
}

@media (max-width: 480px) {
  .gallery,
  .gallery:has(img:nth-child(3):last-child) {
    grid-template-columns: 1fr;
  }
}

/* ── Lightbox ─────────────────────────────────────────── */

.lightbox {
  border: 1px solid #333;
  background: #0a0a0a;
  max-width: 95vw;
  max-height: 95vh;
  padding: 36px 16px 16px;
}

.lightbox:modal {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.85);
}

.lightbox-img {
  max-width: 100%;
  max-height: calc(90vh - 60px);
  object-fit: contain;
  display: block;
}

.lightbox-counter {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #555;
  letter-spacing: 0.1em;
  align-self: flex-start;
}

.lightbox-close {
  position: absolute;
  top: 10px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #555;
  background: none;
  border: none;
  cursor: pointer;
  letter-spacing: 0.05em;
}

.lightbox-close:hover {
  color: var(--white);
}

/* ── View Toggle ──────────────────────────────────────── */

.view-toggle {
  margin-bottom: 24px;
}

.toggle-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray);
  letter-spacing: 0.04em;
  padding: 0;
  margin-right: 16px;
}

.toggle-btn:hover {
  color: var(--black);
}

.toggle-btn.active {
  color: var(--red);
}

.work-source {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--black);
  white-space: pre-wrap;
  word-break: break-word;
  border-top: 1px solid var(--light-gray);
  padding-top: 32px;
}

/* ── Work Text (trilingual) ───────────────────────────── */

.work-text {
  border-top: 1px solid var(--light-gray);
  padding-top: 32px;
}

.work-text [lang] {
  margin-bottom: 28px;
}

.work-text [lang]::before {
  display: block;
  font-size: 10px;
  color: var(--red);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.work-text [lang="zh"]::before { content: "[zh]"; }
.work-text [lang="ja"]::before { content: "[ja]"; }
.work-text [lang="en"]::before { content: "[en]"; }

.work-text [lang] p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--black);
}

.work-text a {
  color: #4a7fbf;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.work-text a:hover {
  color: #2d5f9e;
}

/* ── Exhibitions Page ─────────────────────────────────── */

.exhibitions-page {
  max-width: 900px;
}

.ex-header,
.ex-row {
  display: grid;
  grid-template-columns: 44px 1fr 56px 1fr;
  gap: 0 16px;
  padding: 7px 0;
}

.ex-header {
  font-size: 10px;
  color: var(--gray);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--light-gray);
  padding-bottom: 8px;
  margin-bottom: 2px;
}

.ex-row {
  border-bottom: 1px solid #f4f4f4;
}

.ex-row:last-child {
  border-bottom: none;
}

.ex-year {
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.ex-title {
  font-size: 13px;
}

.ex-type {
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 0.04em;
}

.ex-type.solo {
  color: var(--black);
}

.ex-venue {
  font-size: 11px;
  color: #555;
}

@media (max-width: 640px) {
  .ex-header {
    display: none;
  }

  .ex-row {
    grid-template-columns: 44px 1fr;
    grid-template-rows: auto auto;
    gap: 2px 12px;
    padding: 10px 0;
  }

  .ex-year  { grid-column: 1; grid-row: 1; }
  .ex-title { grid-column: 2; grid-row: 1; }
  .ex-type  { grid-column: 1; grid-row: 2; font-size: 10px; }
  .ex-venue { grid-column: 2; grid-row: 2; font-size: 10px; }
}

/* ── About Page ───────────────────────────────────────── */

.about-page {
  max-width: 640px;
}

.about-text [lang] {
  margin-bottom: 40px;
}

.about-text [lang]::before {
  display: block;
  font-size: 10px;
  color: var(--red);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.about-text [lang="zh"]::before { content: "[zh]"; }
.about-text [lang="ja"]::before { content: "[ja]"; }
.about-text [lang="en"]::before { content: "[en]"; }

.about-text [lang] p {
  font-size: 13px;
  line-height: 2;
  color: var(--black);
  margin-bottom: 12px;
}

.about-text a {
  color: #4a7fbf;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.about-text a:hover {
  color: #2d5f9e;
}

.about-links {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--light-gray);
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.about-links a {
  font-size: 12px;
  color: var(--gray);
  letter-spacing: 0.04em;
}

.about-links a:hover {
  color: var(--red);
}