/* Little Muffin 網站（介紹頁、隱私權聲明、服務條款）共用樣式。
   配色跟遊戲的綠銀介面（tools/make_gui.py、gui.rpy）一致；不用外部字型，全部是系統字型。
   CSP 是 style-src 'self'：HTML 裡不能寫 style 屬性或 <style>，樣式一律寫在這裡。 */

:root {
  --ink: #09100e;
  --ink-2: #050a09;
  --panel: #0e1916;
  --panel-2: #12221d;
  --green: #174f3a;
  --green-hi: #227656;
  --green-lit: #2e9a70;
  --silver: #c4ccd2;
  --silver-hi: #eceff4;
  --silver-lo: #6e767c;
  --platinum: #e8ddbb;
  --text: #e4e8ea;
  --muted: #a3aeb4;
  --line: rgba(196, 204, 210, 0.22);
  --line-strong: rgba(196, 204, 210, 0.45);
  --link: #9fdcc0;
  --link-hover: #ffffff;
  --warn: #e0b45a;

  /* 羊皮紙（隱私權聲明、服務條款的內文） */
  --parch: #f5efdf;
  --parch-2: #ece3cb;
  --parch-ink: #1f2b26;
  --parch-muted: #4f5a54;
  --parch-line: #d6cba9;
  --parch-head: #174f3a;
  --parch-link: #12613f;

  --radius: 12px;
  --wrap: 1080px;

  --font-latin: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial;
  --font-cjk: "PingFang TC", "Hiragino Sans TC", "Noto Sans TC", "Source Han Sans TC", "Microsoft JhengHei", "Microsoft JhengHei UI", "Heiti TC";
  --font-brand: "Cinzel Decorative", "Cinzel", "Trajan Pro", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;

  color-scheme: dark;
}

html[lang="ja"] {
  --font-cjk: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Source Han Sans JP", "Yu Gothic UI", "Meiryo", "Yu Gothic";
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--ink-2);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1100px 520px at 50% -120px, rgba(46, 154, 112, 0.22), transparent 70%),
    radial-gradient(700px 500px at 100% 30%, rgba(23, 79, 58, 0.18), transparent 70%),
    linear-gradient(180deg, #0b1613 0%, var(--ink) 40%, var(--ink-2) 100%);
  color: var(--text);
  font-family: var(--font-latin), var(--font-cjk), sans-serif;
  font-size: 16px;
  line-height: 1.85;
  overflow-wrap: break-word;
  word-break: normal;
  line-break: strict;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--link);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--link-hover);
}

:focus-visible {
  outline: 2px solid var(--platinum);
  outline-offset: 3px;
  border-radius: 4px;
}

h1,
h2,
h3 {
  line-height: 1.4;
  margin: 0 0 0.6em;
}

p {
  margin: 0 0 1em;
}

ul,
ol {
  margin: 0 0 1em;
  padding-left: 1.4em;
}

li + li {
  margin-top: 0.3em;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

@media (min-width: 720px) {
  .wrap {
    padding-left: 28px;
    padding-right: 28px;
  }
}

.skip {
  position: absolute;
  left: 8px;
  top: -100px;
  z-index: 10;
  padding: 8px 14px;
  background: var(--platinum);
  color: var(--ink);
  border-radius: 6px;
  font-weight: 700;
}

.skip:focus {
  top: 8px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------------------------------------------------------------- 頁首 */

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(5, 10, 9, 0.72);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 60px;
  flex-wrap: wrap;
  padding-top: 8px;
  padding-bottom: 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--platinum);
  text-decoration: none;
  font-family: var(--font-brand);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.brand img {
  width: 30px;
  height: 30px;
}

.brand:hover {
  color: #fff;
}

.lang {
  display: flex;
  gap: 4px;
  font-size: 0.92rem;
}

.lang a {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
}

.lang a:hover {
  color: #fff;
  border-color: var(--line-strong);
}

.lang a[aria-current="page"] {
  color: var(--platinum);
  border-color: var(--line-strong);
  background: rgba(232, 221, 187, 0.08);
}

/* ---------------------------------------------------------------- 按鈕 */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  min-height: 50px;
  padding: 0.55em 1.7em;
  border: 1px solid var(--silver);
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  line-height: 1.3;
  text-align: center;
}

.btn-primary {
  min-height: 56px;
  font-size: 1.15rem;
  color: #fff;
  background: linear-gradient(180deg, var(--green-lit) 0%, var(--green-hi) 45%, var(--green) 100%);
  box-shadow:
    0 0 0 3px rgba(196, 204, 210, 0.14),
    0 10px 28px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
}

.btn-primary:hover {
  color: #fff;
  border-color: var(--silver-hi);
  background: linear-gradient(180deg, #36ad7f 0%, #2a8a63 45%, #1c5e45 100%);
}

.btn-ghost {
  color: var(--silver-hi);
  background: rgba(9, 16, 14, 0.55);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  color: #fff;
  border-color: var(--silver);
  background: rgba(23, 79, 58, 0.35);
}

.btn .ext {
  font-size: 0.8em;
  opacity: 0.8;
}

/* ---------------------------------------------------------------- 首頁：主視覺 */

.hero {
  padding: 36px 0 24px;
}

.hero .wrap {
  display: grid;
  gap: 28px;
  align-items: center;
}

@media (min-width: 900px) {
  .hero {
    padding: 56px 0 40px;
  }

  .hero .wrap {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 44px;
  }
}

.hero-title {
  margin: 0 0 14px;
}

.hero-title img {
  width: min(320px, 78vw);
  margin-left: -6px;
}

.hero-sub {
  display: block;
  margin-top: 6px;
  color: var(--silver);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.32em;
}

.lead {
  font-size: 1.06rem;
  color: var(--text);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 18px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
}

.tags li {
  margin: 0;
  padding: 2px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--silver);
  font-size: 0.88rem;
  background: rgba(23, 79, 58, 0.25);
}

.small {
  font-size: 0.9rem;
  color: var(--muted);
}

.hero-art {
  margin: 0;
}

.frame {
  border-radius: 10px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(196, 204, 210, 0.6),
    0 0 0 6px rgba(9, 16, 14, 0.9),
    0 0 0 7px rgba(196, 204, 210, 0.22),
    0 22px 50px rgba(0, 0, 0, 0.6);
}

/* ---------------------------------------------------------------- 首頁：區塊 */

.section {
  padding: 40px 0;
}

.section h2 {
  text-align: center;
  color: var(--platinum);
  font-size: 1.6rem;
  letter-spacing: 0.12em;
  margin-bottom: 26px;
}

.section h2::after {
  content: "";
  display: block;
  width: min(300px, 80%);
  height: 30px;
  margin: 8px auto 0;
  background: url("/img/divider.png") center / contain no-repeat;
}

.section h3 {
  color: var(--silver-hi);
  font-size: 1.15rem;
}

.prose {
  max-width: 780px;
  margin: 0 auto;
}

.features {
  list-style: none;
  padding: 0;
}

.features li {
  position: relative;
  padding-left: 30px;
  margin-top: 0.7em;
}

.features li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.45em;
  width: 16px;
  height: 18px;
  background: url("/img/gem.png") center / contain no-repeat;
}

.callout {
  margin: 20px 0;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--platinum);
  border-radius: 0 10px 10px 0;
  background: rgba(232, 221, 187, 0.06);
}

.callout > :last-child {
  margin-bottom: 0;
}

.callout.warn {
  border-left-color: var(--warn);
  background: rgba(224, 180, 90, 0.08);
}

.callout strong {
  color: var(--platinum);
}

.callout.warn strong {
  color: #f1cf86;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 22px;
}

.gallery figure {
  margin: 0;
}

.gallery a {
  display: block;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
}

.gallery a:hover {
  border-color: var(--silver);
}

.gallery figcaption {
  margin-top: 8px;
  text-align: center;
  color: var(--silver);
  font-size: 0.92rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 18px;
}

.card {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.card h3 svg {
  flex: none;
  width: 26px;
  height: 26px;
  color: var(--platinum);
}

.card > :last-child {
  margin-bottom: 0;
}

.card .btn {
  margin-top: 4px;
}

.staff {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 18px;
}

.staff th,
.staff td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.staff th {
  width: 52%;
  color: var(--muted);
  font-weight: 400;
}

@media (max-width: 560px) {
  .staff th,
  .staff td {
    display: block;
    width: auto;
    padding: 2px 0;
    border: 0;
  }

  .staff td {
    padding-bottom: 10px;
    margin-bottom: 6px;
    border-bottom: 1px solid var(--line);
  }
}

/* ---------------------------------------------------------------- 頁尾 */

.site-footer {
  margin-top: 40px;
  padding: 36px 0 44px;
  border-top: 1px solid var(--line);
  background: rgba(5, 10, 9, 0.6);
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.site-footer .emblem {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
}

.site-footer p {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 20px;
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

.footer-links li {
  margin: 0;
}

.footer-links a {
  color: var(--silver);
}

.footer-links a:hover {
  color: #fff;
}

/* ---------------------------------------------------------------- 隱私權聲明、服務條款 */

.doc-page {
  padding: 28px 0 8px;
}

@media (min-width: 720px) {
  .doc-page {
    padding-top: 44px;
  }
}

.doc {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: clamp(22px, 5vw, 56px);
  border: 1px solid #cdbf98;
  border-radius: 14px;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(255, 255, 255, 0.55), transparent 55%),
    radial-gradient(ellipse at 100% 100%, rgba(176, 152, 98, 0.18), transparent 60%),
    var(--parch);
  color: var(--parch-ink);
  box-shadow:
    0 0 0 1px rgba(9, 16, 14, 0.9),
    0 0 0 5px rgba(196, 204, 210, 0.25),
    0 26px 60px rgba(0, 0, 0, 0.55);
  color-scheme: light;
}

.doc::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(23, 79, 58, 0.18);
  border-radius: 8px;
  pointer-events: none;
}

.doc h1 {
  color: var(--parch-head);
  font-size: clamp(1.6rem, 4.5vw, 2.1rem);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.doc .doc-sub {
  color: var(--parch-muted);
  margin-bottom: 24px;
}

.doc h2 {
  margin-top: 2.2em;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--parch-line);
  color: var(--parch-head);
  font-size: 1.28rem;
  scroll-margin-top: 16px;
}

.doc h3 {
  margin-top: 1.4em;
  color: #24453a;
  font-size: 1.06rem;
}

.doc a {
  color: var(--parch-link);
  font-weight: 600;
}

.doc a:hover {
  color: #0a3a26;
}

.doc :focus-visible {
  outline-color: var(--parch-head);
}

.doc strong {
  color: #10241c;
}

.doc code {
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--parch-2);
  font-family: Consolas, "SFMono-Regular", Menlo, monospace;
  font-size: 0.92em;
  overflow-wrap: anywhere;
}

.summary {
  margin: 0 0 28px;
  padding: 18px 22px;
  border: 1px solid #b7cbb8;
  border-left: 4px solid var(--parch-head);
  border-radius: 0 10px 10px 0;
  background: #e8efe4;
}

.summary h2 {
  margin: 0 0 8px;
  padding: 0;
  border: 0;
  font-size: 1.12rem;
}

.summary ul {
  margin-bottom: 0;
}

.toc {
  margin: 0 0 8px;
  padding: 14px 20px;
  border: 1px solid var(--parch-line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.35);
  font-size: 0.95rem;
}

.toc h2 {
  margin: 0 0 4px;
  padding: 0;
  border: 0;
  font-size: 1rem;
}

.toc ol {
  margin: 0;
  padding-left: 1.6em;
}

.toc li + li {
  margin-top: 0.1em;
}

.toc a {
  font-weight: 400;
}

.doc table {
  width: 100%;
  margin: 0 0 1.2em;
  border-collapse: collapse;
  font-size: 0.95rem;
  line-height: 1.7;
}

.doc th,
.doc td {
  padding: 8px 10px;
  border: 1px solid var(--parch-line);
  text-align: left;
  vertical-align: top;
}

.doc thead th {
  background: var(--parch-2);
  color: var(--parch-head);
  white-space: nowrap;
}

.doc tbody td:first-child {
  min-width: 7em;
}

/* 窄螢幕：表格改成一列一張卡片（不出現水平捲動） */
@media (max-width: 640px) {
  .doc table.stack thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .doc table.stack,
  .doc table.stack tbody,
  .doc table.stack tr,
  .doc table.stack td {
    display: block;
    width: 100%;
  }

  .doc table.stack tr {
    margin-bottom: 12px;
    border: 1px solid var(--parch-line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.35);
  }

  .doc table.stack td {
    border: 0;
    border-top: 1px solid var(--parch-line);
  }

  .doc table.stack td:first-child {
    border-top: 0;
    background: var(--parch-2);
    border-radius: 8px 8px 0 0;
    font-weight: 700;
  }

  .doc table.stack td::before {
    content: attr(data-label);
    display: block;
    color: var(--parch-muted);
    font-size: 0.82rem;
    font-weight: 700;
  }
}

.doc-meta {
  margin-top: 2.6em;
  padding-top: 14px;
  border-top: 1px solid var(--parch-line);
  color: var(--parch-muted);
  font-size: 0.92rem;
}

.doc-meta p {
  margin: 0;
}

.back-links {
  max-width: 880px;
  margin: 22px auto 0;
  text-align: center;
}

/* ---------------------------------------------------------------- 找不到頁面 */

.notfound {
  padding: 80px 0 40px;
  text-align: center;
}

.notfound h1 {
  color: var(--platinum);
  font-size: 1.6rem;
}

.notfound .cta {
  justify-content: center;
}

/* ---------------------------------------------------------------- 其他 */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media print {
  html,
  body {
    background: #fff;
    color: #000;
  }

  .site-header,
  .site-footer,
  .back-links,
  .toc,
  .skip {
    display: none;
  }

  .doc {
    max-width: none;
    padding: 0;
    border: 0;
    box-shadow: none;
    background: #fff;
  }

  .doc::before {
    display: none;
  }

  .doc a {
    color: #000;
  }
}