:root {
  --bg: #F2EDE4;
  --bg-card: #FAF8F4;
  --text: #1A1A1A;
  --text-light: #8A8279;
  --accent: #E8384F;
  --accent-hover: #C72E42;
  --teal: #1A8C7E;
  --green: #3A7D5C;
  --border: #D4CBC0;
  --border-dark: #1A1A1A;
  --font-serif: "Noto Serif TC", Georgia, serif;
  --font-sans: "Noto Sans TC", "Helvetica Neue", sans-serif;
  --shell: min(100% - 32px, 1120px);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

body.lang-gate-open {
  overflow: hidden;
}

body[data-script="latin"] .hero-tag,
body[data-script="latin"] .hero-date,
body[data-script="latin"] .hero-copy-tag,
body[data-script="latin"] .section-kicker,
body[data-script="latin"] .hero-meta span,
body[data-script="latin"] .btn-primary,
body[data-script="latin"] .btn-secondary,
body[data-script="latin"] .test-link,
body[data-script="latin"] .test-link-muted,
body[data-script="latin"] .test-status,
body[data-script="latin"] .test-route,
body[data-script="latin"] .test-source {
  letter-spacing: 1px;
}

body[data-script="latin"] .hero-copy p,
body[data-script="latin"] .section-note,
body[data-script="latin"] .test-description,
body[data-script="latin"] .test-note,
body[data-script="latin"] .hero-footer-secondary,
body[data-script="latin"] .repo-link-value {
  letter-spacing: 0.2px;
}

body[data-script="latin"] .hero-title h1,
body[data-script="latin"] .test-title {
  letter-spacing: 1px;
  line-height: 1.35;
}

body[data-script="latin"] .hero-typewriter {
  letter-spacing: 0.04em;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-main {
  min-height: 100vh;
}

.rule {
  height: 1px;
  background: var(--border-dark);
  margin: 20px 0;
}

.rule-double {
  height: 0;
  border-top: 3px double var(--border-dark);
  margin: 12px 0;
}

.stripe {
  height: 7px;
  background: repeating-linear-gradient(-45deg, var(--accent), var(--accent) 3px, transparent 3px, transparent 6px);
}

.glitch-text {
  position: relative;
}

.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Motion contract: one ambient loop per viewport (the marquee).
   Glitch plays once on load instead of looping. */
.glitch-text::before {
  color: var(--accent);
  clip-path: inset(0 0 58% 0);
  animation: glitch-top 2.4s ease-in-out 1;
}

.glitch-text::after {
  color: var(--teal);
  clip-path: inset(58% 0 0 0);
  animation: glitch-bottom 2.4s ease-in-out 1 0.24s;
}

@keyframes glitch-top {
  0%, 84%, 100% { transform: translate(0); opacity: 0.78; }
  86% { transform: translate(-4px, -2px); opacity: 1; }
  88% { transform: translate(4px, 1px); opacity: 0.62; }
  91% { transform: translate(-2px, 0); opacity: 1; }
  94% { transform: translate(0); opacity: 0.78; }
}

@keyframes glitch-bottom {
  0%, 84%, 100% { transform: translate(0); opacity: 0.78; }
  87% { transform: translate(3px, 2px); opacity: 0.66; }
  89% { transform: translate(-5px, -1px); opacity: 1; }
  92% { transform: translate(2px, 0); opacity: 0.74; }
  95% { transform: translate(0); opacity: 0.78; }
}

.marquee {
  width: 100%;
  overflow: hidden;
  opacity: 0.16;
  padding: 4px 0;
  pointer-events: none;
}

.marquee-track {
  display: flex;
  gap: 8px;
  width: max-content;
  will-change: transform;
  --loop-shift: 0px;
}

.marquee-top .marquee-track {
  animation: scroll-left 56s linear infinite;
}

.marquee-bottom .marquee-track {
  animation: scroll-right 56s linear infinite;
}

.marquee-item {
  display: inline-flex;
  min-width: 170px;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--border-dark);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(26, 26, 26, 0.05);
  white-space: nowrap;
}

.lang-control {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 40;
}

.lang-select {
  min-width: 88px;
  height: 38px;
  padding: 0 34px 0 12px;
  border: 1.5px solid var(--border-dark);
  border-radius: 0;
  background-color: var(--bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%231A1A1A' d='M0 0h10L5 6z'/%3E%3C/svg%3E");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 10px 6px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 1px;
  appearance: none;
  cursor: pointer;
}

.lang-select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.lang-control.is-guided .lang-select {
  animation: lang-control-pulse 1.6s ease;
}

.lang-gate {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 84px 20px 28px;
  background: rgba(242, 237, 228, 0.94);
  backdrop-filter: blur(8px);
  transition: opacity 0.96s ease, visibility 0.96s ease;
}

.lang-gate.is-dismissing,
.lang-gate.is-hidden {
  opacity: 0;
}

.lang-gate.is-hidden {
  visibility: hidden;
  pointer-events: none;
}

.lang-gate-panel {
  width: min(100%, 620px);
  padding: 26px 24px 22px;
  text-align: center;
}

.lang-gate-kicker,
.lang-gate-note {
  color: var(--text-light);
  text-transform: uppercase;
}

.lang-gate-kicker {
  margin: 0 0 12px;
  font-size: 10px;
  letter-spacing: 6px;
}

.lang-gate-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.2;
  letter-spacing: 2px;
}

.lang-gate-subtitle,
.lang-gate-note {
  max-width: 460px;
  margin: 12px auto 0;
  line-height: 1.9;
}

.lang-gate-subtitle {
  font-size: 14px;
  letter-spacing: 0.5px;
}

.lang-gate-note {
  font-size: 10px;
  letter-spacing: 2px;
}

.lang-gate-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 24px auto 0;
}

.lang-gate-button {
  min-height: 54px;
  border: 2px solid var(--border-dark);
  background: transparent;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: transform 0.28s ease, background 0.36s ease, color 0.36s ease;
}

.lang-gate-button:hover,
.lang-gate-button:focus-visible,
.lang-gate-button.is-current {
  background: var(--border-dark);
  color: var(--bg);
  transform: translateY(-1px);
}

.lang-guide-toast,
.lang-fly-chip {
  position: fixed;
  z-index: 45;
}

.lang-guide-toast {
  top: 62px;
  right: 16px;
  max-width: 200px;
  padding: 8px 10px;
  border: 1px solid var(--border-dark);
  background: var(--bg-card);
  color: var(--text);
  font-size: 11px;
  letter-spacing: 1px;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity 0.42s ease, transform 0.42s ease;
}

.lang-guide-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.lang-fly-chip {
  left: 0;
  top: 0;
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border: 1px solid var(--border-dark);
  background: var(--border-dark);
  color: var(--bg);
  font-size: 11px;
  letter-spacing: 2px;
  transform: translate(-50%, -50%);
  transition: transform 1.32s cubic-bezier(0.22, 1, 0.36, 1), opacity 1.32s ease;
  pointer-events: none;
}

@keyframes lang-control-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(232, 56, 79, 0);
  }

  50% {
    box-shadow: 0 0 0 7px rgba(232, 56, 79, 0.15);
  }
}

.hero-band,
.catalog-band {
  position: relative;
}

.hero-band {
  padding: 42px 0 56px;
}

.catalog-band {
  padding: 20px 0 72px;
}

.hero-shell,
.catalog-shell {
  width: var(--shell);
  margin: 0 auto;
}

.hero-shell {
  position: relative;
  max-width: 720px;
  padding: 34px 32px 28px;
  text-align: center;
}

.hero-rail {
  position: absolute;
  top: 50%;
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 10px;
  color: rgba(26, 26, 26, 0.22);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: translateY(-50%);
}

.hero-rail-left {
  left: max(8px, calc((100vw - min(100% - 32px, 1120px)) / 2));
}

.hero-rail-right {
  right: max(8px, calc((100vw - min(100% - 32px, 1120px)) / 2));
}

.hero-header,
.hero-meta,
.hero-footer,
.catalog-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}

.hero-tag {
  padding: 3px 8px;
  background: var(--border-dark);
  color: var(--bg);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero-date,
.hero-footer span,
.section-kicker,
.section-note,
.hero-meta span {
  color: var(--text-light);
  text-transform: uppercase;
}

.hero-date,
.hero-footer span,
.hero-meta span {
  font-size: 10px;
  letter-spacing: 2px;
}

.hero-mixed,
.hero-sparkle {
  color: var(--border);
  text-align: center;
  user-select: none;
}

.hero-mixed {
  padding-top: 8px;
  font-family: var(--font-serif);
  font-size: 10px;
  letter-spacing: 4px;
}

.hero-sparkle {
  padding-top: 4px;
  font-size: 10px;
  letter-spacing: 6px;
  opacity: 0.6;
}

.hero-title {
  padding: 20px 0;
}

.hero-typewriter {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  min-height: clamp(3.6rem, 11vw, 5.6rem);
  margin: 0;
  padding-right: 0.1em;
  font-family: var(--font-serif);
  font-size: var(--hero-type-size, clamp(1.75rem, 6vw, 4.2rem));
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.hero-typewriter-line {
  display: inline-block;
  max-width: 100%;
}

.hero-typewriter-cursor {
  flex: 0 0 auto;
  width: 2px;
  height: 0.95em;
  margin-left: clamp(6px, 1vw, 12px);
  background: var(--accent);
  box-shadow: 2px 0 0 rgba(26, 140, 126, 0.36);
  animation: typewriter-cursor 0.92s steps(1) infinite;
}

.hero-typewriter-measure {
  position: absolute;
  left: -9999px;
  top: 0;
  visibility: hidden;
  white-space: nowrap;
  pointer-events: none;
}

@keyframes typewriter-cursor {
  0%,
  49% {
    opacity: 1;
  }

  50%,
  100% {
    opacity: 0;
  }
}

.hero-copy {
  max-width: 520px;
  margin: 0 auto 18px;
}

.hero-copy-tag,
.section-kicker {
  display: block;
  margin-bottom: 8px;
  font-size: 10px;
  letter-spacing: 6px;
}

.hero-copy p,
.section-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  letter-spacing: 1px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.btn-primary,
.btn-secondary,
.test-link,
.test-link-muted {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 2px solid var(--border-dark);
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  transition: background 0.32s ease, color 0.32s ease, transform 0.22s ease;
}

.btn-primary,
.test-link {
  background: var(--border-dark);
  color: var(--bg);
}

.btn-secondary,
.test-link-muted {
  background: transparent;
  color: var(--border-dark);
}

.btn-primary:hover,
.btn-secondary:hover,
.test-link:hover {
  transform: translateY(-1px);
}

.btn-primary:hover,
.test-link:hover {
  background: transparent;
  color: var(--border-dark);
}

.btn-secondary:hover {
  background: var(--border-dark);
  color: var(--bg);
}

.hero-footer {
  margin-top: 16px;
}

.hero-footer-secondary {
  font-family: var(--font-serif);
  letter-spacing: 3px;
  text-transform: none;
}

.repo-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.repo-links-single {
  grid-template-columns: minmax(0, 1fr);
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.repo-link {
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--border);
  text-align: left;
  transition: border-color 0.32s ease, transform 0.22s ease, background 0.32s ease;
}

.repo-link:hover {
  border-color: var(--border-dark);
  background: rgba(26, 26, 26, 0.03);
  transform: translateY(-1px);
}

.repo-link-label {
  display: block;
  color: var(--text-light);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.repo-link-value {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.test-link-muted {
  border-color: var(--border);
  color: var(--text-light);
  cursor: default;
}

.catalog-heading {
  align-items: end;
}

.catalog-heading h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.8vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: 2px;
}

.section-kicker,
.section-note {
  font-size: 10px;
}

.section-note {
  max-width: 360px;
  text-align: right;
}

.test-list {
  display: grid;
  gap: 20px;
}

.test-item {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.8fr) auto;
  gap: 18px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}

.test-item:first-child {
  border-top: 1px solid var(--border);
}

.test-primary,
.test-meta {
  min-width: 0;
}

.test-status {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 3px 8px;
  border: 1px solid var(--border-dark);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.test-status-live {
  background: var(--green);
  border-color: var(--green);
  color: var(--bg);
}

.test-status-pending {
  color: var(--text-light);
}

.test-title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 28px;
  line-height: 1.2;
}

.test-description,
.test-route,
.test-source,
.test-note {
  margin: 0;
  color: var(--text-light);
  line-height: 1.8;
}

.test-route,
.test-source {
  font-size: 12px;
  letter-spacing: 1px;
}

.test-note {
  font-size: 13px;
}

.test-meta {
  display: grid;
  gap: 8px;
}

.test-repo-link {
  display: inline-block;
  width: fit-content;
  margin-top: 2px;
  color: var(--text);
  font-size: 12px;
  line-height: 1.7;
  text-decoration: underline;
  text-underline-offset: 2px;
  overflow-wrap: anywhere;
}

.test-repo-link:hover {
  color: var(--accent);
}

@keyframes scroll-left {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(calc(-1 * var(--loop-shift)));
  }
}

@keyframes scroll-right {
  from {
    transform: translateX(calc(-1 * var(--loop-shift)));
  }

  to {
    transform: translateX(0);
  }
}

@media (max-width: 960px) {
  .hero-rail {
    display: none;
  }

  .test-item {
    grid-template-columns: 1fr;
  }

  .catalog-heading,
  .hero-header,
  .hero-meta,
  .hero-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .repo-links {
    grid-template-columns: 1fr;
  }

  .section-note {
    max-width: none;
    text-align: left;
  }
}

@media (max-width: 640px) {
  .hero-band {
    padding-top: 72px;
  }

  .hero-shell {
    padding: 22px 18px 18px;
  }

  .hero-typewriter {
    min-height: clamp(3.2rem, 12vw, 4.4rem);
  }

  .marquee-item {
    min-width: 132px;
    min-height: 44px;
    font-size: 9px;
    letter-spacing: 1px;
  }

  .btn-primary,
  .btn-secondary,
  .test-link,
  .test-link-muted {
    width: 100%;
    letter-spacing: 2px;
  }

  .test-title {
    font-size: 24px;
  }

  .lang-control {
    top: 12px;
    right: 12px;
  }

  .lang-select {
    min-width: 82px;
    font-size: 11px;
  }

  .lang-gate {
    padding-top: 94px;
  }

  .lang-gate-panel {
    padding: 20px 12px 18px;
  }

  .lang-gate-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lang-guide-toast {
    top: 54px;
    right: 12px;
    max-width: 156px;
  }

}

@media (prefers-reduced-motion: reduce) {
  .marquee-top .marquee-track,
  .marquee-bottom .marquee-track,
  .glitch-text::before,
  .glitch-text::after,
  .hero-sparkle,
  .hero-typewriter-cursor {
    animation: none !important;
  }

  .lang-gate,
  .lang-guide-toast,
  .lang-fly-chip,
  .lang-gate-button,
  .repo-link {
    transition: none !important;
  }
}