/* ============================================================
   KCUMIRA — Generative Atelier
   唯一深色主題。線與明度分層，不用陰影。
   ============================================================ */

:root {
  --ink:      #0B0D0B;
  --surface:  #121511;
  --line:     rgba(232, 230, 223, 0.10);
  --text:     #E8E6DF;
  --muted:    #8F958A;
  --moss:     #5DA86A;
  --moss-deep:#1E4D2B;
  --iris:     #9BA0CE;

  --serif: "Noto Serif TC", "Fraunces", serif;
  --display: "Fraunces", "Noto Serif TC", serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --maxw: 1200px;
  --gutter: clamp(1.25rem, 5vw, 5rem);
  --nav-h: 64px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--serif);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.9;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
em { font-style: italic; }

/* ---------- focus / skip ---------- */
:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 3px;
  border-radius: 2px;
}
.skip-link {
  position: fixed;
  top: -100px; left: 1rem;
  z-index: 200;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 0.6rem 1rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* ---------- noise overlay ---------- */
.noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- mono label helper ---------- */
.section__num,
.work__meta,
.work__note,
.mod-btn,
.archive__item figcaption,
.about__contact .k,
.footer__meta,
.footer__top,
.hero__eyebrow {
  font-family: var(--mono);
  letter-spacing: 0.06em;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(11, 13, 11, 0.72);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom-color: var(--line);
}
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
  font-family: var(--mono);
  font-size: 0.82rem;
}
.nav__links a { color: var(--muted); transition: color 0.25s; }
.nav__links a:hover { color: var(--text); }
.nav__icon { display: inline-flex; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 540px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__canvas { position: absolute; inset: 0; z-index: 0; }
.hero__canvas canvas { display: block; width: 100% !important; height: 100% !important; }
.hero__vignette {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 40%, transparent 30%, rgba(11,13,11,0.55) 72%, var(--ink) 100%),
    linear-gradient(to bottom, rgba(11,13,11,0.35), transparent 30%, transparent 70%, rgba(11,13,11,0.65));
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.hero__eyebrow {
  margin: 0 0 1.5rem;
  color: var(--moss);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: lowercase;
}
.hero__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(3.5rem, 10vw, 9rem);
  line-height: 0.98;
  letter-spacing: 0.03em;
}
.hero__sub {
  margin: 1.4rem 0 0;
  color: var(--text);
  font-size: clamp(1rem, 2.2vw, 1.4rem);
  font-weight: 300;
  letter-spacing: 0.22em;
}

/* scroll cue */
.scroll-cue {
  position: absolute;
  left: var(--gutter);
  bottom: clamp(1.5rem, 5vh, 3rem);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
}
.scroll-cue__line {
  width: 1px; height: 46px;
  background: linear-gradient(var(--muted), transparent);
}
.scroll-cue__arrow { font-family: var(--mono); font-size: 0.9rem; }
@media (prefers-reduced-motion: no-preference) {
  .scroll-cue { animation: breathe 3.2s ease-in-out infinite; }
}
@keyframes breathe {
  0%, 100% { opacity: 0.5; transform: translateY(0); }
  50%      { opacity: 1;   transform: translateY(6px); }
}

/* ============================================================
   SECTION scaffolding
   ============================================================ */
.section {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(4.5rem, 12vh, 9rem) var(--gutter);
}
.section__head { margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.section__num {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 1rem;
}
.section__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  line-height: 1.15;
  letter-spacing: 0.02em;
}
.section__title em {
  font-family: var(--display);
  font-weight: 300;
  color: var(--muted);
  font-size: 0.78em;
  letter-spacing: 0.01em;
}
.section__lede {
  max-width: 46ch;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

/* section top hairlines */
.play, .projects, .archive, .about { border-top: 1px solid var(--line); }

/* ============================================================
   WORKS — 交錯 editorial grid
   ============================================================ */
.work {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  border-top: 1px solid var(--line);
}
.work--reverse .work__media { order: 2; }

.work__media { position: relative; min-width: 0; }
.mod-slot {
  position: relative;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}
.mod-slot[data-ratio="4/5"] { aspect-ratio: 4 / 5; }
.mod-slot[data-ratio="1/1"] { aspect-ratio: 1 / 1; }
.mod-slot--chart { min-height: 340px; padding: clamp(1rem, 2.5vw, 1.75rem); }
.mod-slot--game { min-height: 360px; }
.mod-slot canvas { display: block; max-width: 100%; }

.work__thumbs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-top: 0.6rem;
}
.work__thumbs img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 3px;
  opacity: 0.82;
  transition: opacity 0.3s;
}
.work__thumbs img:hover { opacity: 1; }

.work__body { min-width: 0; }
.work__num {
  font-family: var(--display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(2.4rem, 6vw, 4rem);
  color: var(--moss);
  line-height: 1;
  display: block;
  margin-bottom: 0.8rem;
}
.work__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  color: var(--muted);
  font-size: 0.78rem;
  margin: 0 0 1rem;
}
.work__title {
  margin: 0 0 1rem;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  line-height: 1.2;
}
.work__text { margin: 0 0 1rem; color: var(--text); }
.work__note { margin: 0; color: var(--muted); font-size: 0.78rem; }
.work__actions { margin: 1.6rem 0 0; }

/* ============================================================
   .mod-btn — 模組共用按鈕（mono 小字、1px 線框、hover 反白）
   ============================================================ */
.mod-btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.mod-btn:hover,
.mod-btn:focus-visible {
  background: var(--text);
  color: var(--ink);
  border-color: var(--text);
}

/* ============================================================
   kcuweb browser mockup
   ============================================================ */
.browser-mock {
  display: block;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--surface);
  transition: border-color 0.3s;
}
.browser-mock:hover { border-color: rgba(232,230,223,0.22); }
.browser-mock__chrome {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--line);
}
.browser-mock__chrome .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--muted); opacity: 0.5;
}
.browser-mock__url {
  margin-left: 0.6rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
}
.browser-mock__viewport {
  padding: clamp(1.8rem, 5vw, 3.2rem) clamp(1.4rem, 4vw, 2.6rem);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.browser-mock__word {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 1.15;
  color: var(--muted);
  transition: transform 0.4s cubic-bezier(.2,.6,.2,1), color 0.3s;
}
.browser-mock:hover .browser-mock__word { color: var(--text); }
.browser-mock:hover .browser-mock__word:nth-child(1) { transform: translateX(6px); }
.browser-mock:hover .browser-mock__word:nth-child(2) { transform: translateX(14px); }
.browser-mock:hover .browser-mock__word:nth-child(3) { transform: translateX(22px); }
.browser-mock:hover .browser-mock__word:nth-child(4) { transform: translateX(30px); }
@media (prefers-reduced-motion: reduce) {
  .browser-mock:hover .browser-mock__word { transform: none; }
}

/* ============================================================
   PLAY
   ============================================================ */
.play__stage { max-width: 760px; }
.play__foot { margin: 1.6rem 0 0; }

/* ============================================================
   ARCHIVE — 橫向長廊
   ============================================================ */
.archive__rail {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.archive__rail::-webkit-scrollbar { height: 6px; }
.archive__rail::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
.archive__item {
  margin: 0;
  flex: 0 0 auto;
  scroll-snap-align: start;
}
.archive__item img {
  height: clamp(220px, 34vh, 320px);
  width: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 4px;
  opacity: 0.8;
  transition: opacity 0.3s;
}
.archive__item img:hover { opacity: 1; }
.archive__item figcaption {
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.72rem;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.about__quote {
  margin: 0;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  line-height: 1.35;
}
.about__quote em {
  font-family: var(--display);
  color: var(--moss);
}
.about__body p { margin: 0 0 1.2rem; color: var(--text); }
.about__contact {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.about__contact li {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}
.about__contact .k {
  flex: 0 0 92px;
  color: var(--muted);
  font-size: 0.74rem;
}
.about__contact a { color: var(--text); transition: color 0.25s; }
.about__contact a:hover { color: var(--moss); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--line);
  position: relative;
  z-index: 2;
}
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer__meta { margin: 0; color: var(--muted); font-size: 0.74rem; }
.footer__top { color: var(--muted); font-size: 0.74rem; transition: color 0.25s; }
.footer__top:hover { color: var(--text); }

/* ============================================================
   REVEAL animation
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s cubic-bezier(.2,.6,.2,1), transform 0.9s cubic-bezier(.2,.6,.2,1);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .scroll-cue { animation: none; }
}

/* ============================================================
   RESPONSIVE — 行動版單欄
   ============================================================ */
@media (max-width: 860px) {
  .work,
  .about__grid,
  .projects__grid {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }
  .work--reverse .work__media { order: 0; }
  .about__contact .k { flex-basis: 78px; }
}

@media (max-width: 560px) {
  :root { --nav-h: 56px; }
  .nav__links { gap: 0.9rem; font-size: 0.76rem; }
  .hero__sub { letter-spacing: 0.16em; }
  .work__thumbs { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   v1.2 — 毛玻璃層（於 v1.0 基礎疊加；不改底色、不加環境光）
   面板改半透明白膜 + backdrop 模糊；其餘視覺語彙維持 v1.0。
   ============================================================ */
.mod-slot,
.browser-mock,
.play__stage,
.project-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 12px;
}
.play__stage {
  padding: clamp(1rem, 3vw, 2rem);
}
.mod-slot,
.browser-mock {
  overflow: hidden; /* 圓角裁切 canvas / chrome */
}
.nav.is-scrolled {
  background: rgba(11, 13, 11, 0.6);
  backdrop-filter: blur(18px) saturate(1.35);
  -webkit-backdrop-filter: blur(18px) saturate(1.35);
}
.archive__item img {
  border-radius: 10px;
}

/* 無 backdrop-filter 支援時退回 v1.0 不透明面 */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .mod-slot,
  .browser-mock,
  .play__stage,
  .project-card {
    background: var(--surface);
  }
}

/* ============================================================
   v1.3 — 開發專案區 Dev Projects
   毛玻璃配方沿用 v1.2（見上）；此處僅排版與網格。
   ============================================================ */
.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 861px) {
  .projects__grid { grid-template-columns: repeat(2, 1fr); }
}
.project-card {
  padding: clamp(1.4rem, 3vw, 2rem);
  transition: transform 0.3s cubic-bezier(.2,.6,.2,1), border-color 0.3s;
}
.project-card:hover {
  border-color: rgba(255, 255, 255, 0.22);
  transform: translateY(-3px);
}
.project-card__meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.project-card__title {
  margin: 0 0 0.9rem;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  line-height: 1.25;
  color: var(--text);
}
.project-card__desc {
  margin: 0 0 1.2rem;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.9;
}
.project-card__stack {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}
@media (prefers-reduced-motion: reduce) {
  .project-card:hover { transform: none; }
}

/* ============================================================
   v1.4 — 專案卡「真實運行畫面」
   卡頂新增 .project-card__media（16/10）；只影響 media 及其內部，
   不觸碰 .projects__grid 欄數規則（見上，861px 斷點）。
   ============================================================ */
.project-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
  margin-bottom: 1.1rem;
  background: var(--surface);
}

/* 迷你瀏覽器 chrome + 截圖（沿用 .browser-mock 語彙的縮小版） */
.card-shot {
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--surface);
}
.card-shot__chrome,
.card-wire__chrome {
  flex: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  height: 30px;
  padding: 0 0.7rem;
  border-bottom: 1px solid var(--line);
}
.card-shot__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--muted); opacity: 0.5;
  flex: none;
}
.card-shot__url,
.card-wire__label {
  margin-left: 0.5rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-shot__img {
  flex: 1;
  min-height: 0;
  width: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}

/* 直式手機截圖：深色玻璃底、圖以手機窗框置中 */
.card-shot--phone .card-shot__stage {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0;
  background: rgba(255, 255, 255, 0.04);
}
.card-shot__phone {
  height: 100%;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
  border-radius: 14px;
  border: 1px solid var(--line);
}

/* compressPDF：純 CSS macOS 視窗線框示意（誠實示意，非擬真） */
.card-wire {
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--surface);
}
.card-wire__body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(0.8rem, 3vw, 1.4rem);
  padding: clamp(1rem, 4vw, 1.8rem);
  text-align: center;
}
.card-wire__drop {
  width: min(78%, 320px);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: clamp(0.9rem, 3vw, 1.4rem) 1rem;
  border: 1px dashed var(--line);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--muted);
}
.card-wire__result {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  color: var(--text);
}
.card-wire__arrow { color: var(--moss); }

/* 無 backdrop-filter 支援時面板已退回 --surface；media 底色亦一致 */

/* ============================================================
   v1.5 — 兩件 3D 展品（works 級截圖窗框）＋ dreamHouse 寬卡
   works 截圖沿用 .browser-mock 語彙：chrome + 16/10 截圖；
   寬卡僅加 grid-column 與 media 比例，不觸碰 .projects__grid 欄數。
   ============================================================ */
.browser-mock__shot {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
}
.browser-mock__shot--center { object-position: center; }

.project-card--wide { grid-column: 1 / -1; }
.project-card--wide .project-card__media { aspect-ratio: 21 / 9; }

/* ============================================================
   v1.6 — RWD 精修（Fable 稽核後定案）
   375/768/1024/1440 四寬度目檢結果的四項修正。
   ============================================================ */

/* 1. 手機 nav：縮 wordmark、加大觸控目標、eyebrow 收斂 */
@media (max-width: 640px) {
  .wordmark { font-size: 1.1rem; }
  .nav__links { gap: 0.85rem; font-size: 0.78rem; }
  .nav__links a { padding: 0.55rem 0.2rem; }
  .hero__eyebrow { font-size: 0.74rem; letter-spacing: 0.1em; }
}

/* 2. 平板單欄（641–860px）：作品媒體限寬置中，避免 4:5 畫布過巨 */
@media (min-width: 641px) and (max-width: 860px) {
  .work__media { max-width: 600px; width: 100%; margin-inline: auto; }
}

/* 3. 遊戲槽內距：模組面板不貼玻璃邊 */
.mod-slot--game { padding: clamp(0.9rem, 2.5vw, 1.5rem); }

/* 4. 標題平衡斷行（支援的瀏覽器漸進增強） */
.section__title, .work__title, .project-card__title { text-wrap: balance; }

/* ============================================================
   v1.7 — 遊戲間 v2：雙欄（終極密碼 + 開局大師西洋棋）
   沿用 v1.2 毛玻璃語彙；斷點沿用 860/861 模式，不覆寫既有斷點。
   ============================================================ */
.play__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}
@media (min-width: 861px) {
  .play__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
}

/* 西洋棋窗框：同玻璃面板，chrome 列 + iframe 邊到邊、隨玻璃圓角裁切 */
.play__stage--chess {
  max-width: none;
  padding: 0;
  overflow: hidden;
}
.play__chrome {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--line);
}
.play__chrome .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--muted); opacity: 0.5;
}
.play__chrome-title {
  margin-left: 0.6rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
}
.play__chess-frame {
  display: block;
  width: 100%;
  height: clamp(520px, 72vh, 700px);
  border: 0;
}
.play__stage--chess .play__foot {
  margin: 0;
  padding: 0.9rem 1.1rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* ============================================================
   v1.8 — 遊戲間 v3（三局：猜數字＋路徑記憶＋開局大師全寬）
           ＋上架連結補完（moneyShare / spotToMap）
   沿用 v1.2 毛玻璃、v1.7 窗框語彙；不覆寫既有
   .play__grid / .projects__grid 斷點欄數。
   ============================================================ */

/* chrome 右側低調外連（mono 極小字、右對齊、hover 反白） */
.play__ext {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.25s;
}
.play__ext:hover,
.play__ext:focus-visible { color: var(--text); }

/* 路徑記憶窗框：同玻璃面板 + 窗框裁切（沿用 chess 語彙） */
.play__stage--pm {
  max-width: none;
  padding: 0;
  overflow: hidden;
}
.play__pm-frame {
  display: block;
  width: 100%;
  height: clamp(520px, 74vh, 680px);
  border: 0;
}
.play__stage--pm .play__foot {
  margin: 0;
  padding: 0.9rem 1.1rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* 開局大師改為整列全寬 feature（僅跨欄，不改 grid 欄數規則） */
@media (min-width: 861px) {
  .play__stage--chess { grid-column: 1 / -1; }
}

/* 專案卡底部連結鈕（moneyShare / spotToMap） */
.project-card__links {
  margin: 1rem 0 0;
}

/* ============================================================
   v1.9 — Grid 重新設計（Fable）
   專案區：拿掉寬卡，六張同尺寸 2×3；moneyShare 改滿版截圖、
   compressPDF 線框做飽滿。遊戲間上排兩欄等高、猜數字置中。
   ============================================================ */

/* 寬卡退役：全部回歸單格（保險，即使 HTML 已移除 --wide） */
.project-card--wide { grid-column: auto; }
.project-card--wide .project-card__media { aspect-ratio: 16 / 10; }

/* compressPDF 線框：加入檔案進度列，填滿 16/10 不空蕩 */
.card-wire__body { justify-content: center; gap: clamp(0.9rem, 3vw, 1.3rem); }
.card-wire__file {
  width: min(82%, 340px);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}
.card-wire__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}
.card-wire__name { color: var(--text); }
.card-wire__size { color: var(--muted); white-space: nowrap; }
.card-wire__bar {
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.09);
  overflow: hidden;
}
.card-wire__fill {
  display: block;
  height: 100%;
  width: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--moss-deep), var(--moss));
}
.card-wire__done { color: var(--moss); letter-spacing: 0.04em; }

/* 遊戲間上排兩欄等高：猜數字面板置中，與路徑記憶齊高 */
.play__grid { align-items: stretch; }
.play__stage--guess {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.play__stage--guess .play__foot { margin: 1.4rem 0 0; }
@media (min-width: 861px) {
  .play__pm-frame { height: clamp(420px, 56vh, 500px); }
}

/* ============================================================
   v2.0 — 遊戲間 v4：新增 Monster Delivery 全寬 stage
   比照 chess 全寬與窗框裁切；不改既有 .play__grid 斷點。
   ============================================================ */
.play__stage--critter {
  max-width: none;
  padding: 0;
  overflow: hidden;
}
.play__critter-frame {
  display: block;
  width: 100%;
  height: clamp(560px, 76vh, 720px);
  border: 0;
}
.play__stage--critter .play__foot {
  margin: 0;
  padding: 0.9rem 1.1rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}
@media (min-width: 861px) {
  .play__stage--critter { grid-column: 1 / -1; }
}

/* ============================================================
   v2.1 — 收斂「grid 大小很亂」：專案卡等高＋底部對齊、遊戲間上排收緊
   ============================================================ */
/* 專案卡：flex 直欄，媒體固定 16/10，介紹撐開把技術棧/連結壓到底部對齊 */
.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.project-card__media { flex: none; }
.project-card__desc { flex: 1 1 auto; }
/* 三排等高：整片 2×3 尺寸一致 */
@media (min-width: 861px) {
  .projects__grid { grid-auto-rows: 1fr; }
}
/* 遊戲間上排收緊：路徑記憶降高，猜數字置中後留白更均衡 */
@media (min-width: 861px) {
  .play__pm-frame { height: clamp(400px, 50vh, 460px); }
}

/* ============================================================
   v2.2 — 遊戲間改 2×2：取消 Tabiya／Monster Delivery 滿版
   四款遊戲等寬窗格（猜數字｜路徑記憶 ／ Tabiya｜Monster Delivery）
   ============================================================ */
@media (min-width: 861px) {
  .play__stage--chess,
  .play__stage--critter { grid-column: auto; max-width: none; }
}
/* 半寬窗格：兩個大遊戲同高，讓下排整齊 */
.play__chess-frame,
.play__critter-frame { height: clamp(440px, 56vh, 520px); }
/* 2×2 四格等寬更整齊 */
@media (min-width: 861px) {
  .play__grid { grid-template-columns: 1fr 1fr; }
}

/* v2.3 — 路徑記憶框架加高，完整顯示「開始」鍵與最佳連勝（修 v2.1 過短的回歸） */
.play__pm-frame { height: clamp(560px, 64vh, 600px); }