/* 全站共用樣式。方向：圓潤、明亮、有吉祥物的個人網站。顏色一律用變數，深色模式才會正確。 */
:root {
  --font-display: "Huninn", "Nunito", "PingFang TC", "Noto Sans TC", sans-serif;
  --font-sans: "Noto Sans TC", -apple-system, BlinkMacSystemFont, "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-num: "Nunito", "Noto Sans TC", sans-serif;
  --bg: #ffffff; --soft: #f4f5fb; --panel: #ffffff; --ink: #2b2a4c; --muted: #66658a; --line: #e5e5f1; --line-strong: #cfcfe2;
  --sun: #ffd84d; --sky: #5ab8f5; --coral: #ff7e67; --mint: #5fd3a0; --lilac: #b79cff;
  --tile-sun: #fff0b8; --tile-sky: #d6edff; --tile-coral: #ffdcd4; --tile-mint: #d3f5e4; --tile-lilac: #e8e0ff;
  --link: #2a6fc9; --warn: #93590a; --bad: #c23a2b; --good: #15805a;
  --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a; --series-4: #eda100;
  --grid: #ecedf5; --axis: #c9c9dc; --ref: #77769a; --chart-muted: #8f8eab; --critical: #d94f3d;
  --radius: 20px; --radius-lg: 28px;
  --popover: #ffffff; --popover-line: #dcdcea; --popover-shadow: 0 6px 20px rgba(43, 42, 76, .16);
  color-scheme: light;

  /* 正二頁面沿用的名稱 */
  --font-anthropic-sans: var(--font-sans); --font-anthropic-serif: var(--font-num);
  --color-fg: var(--ink); --color-fg-muted: var(--muted); --color-bg: var(--bg); --color-panel: var(--panel);
  --color-border-line: var(--line); --color-warn: var(--warn); --color-bad: var(--bad);
  --cds-radius: var(--radius); --cds-chart-muted: var(--chart-muted); --cds-chart-status-critical: var(--critical);
  --cds-chart-grid: var(--grid); --cds-chart-axis: var(--axis); --cds-chart-reference: var(--ref);
  --cds-surface-popover: var(--popover); --cds-border: var(--popover-line); --cds-shadow-popover: var(--popover-shadow);
  --cds-text-secondary: var(--muted); --cds-dur-slow: .3s;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1a1930; --soft: #222140; --panel: #24234a; --ink: #f4f4fb; --muted: #b3b2cf; --line: #37365f; --line-strong: #4a4978;
    --tile-sun: #574a1c; --tile-sky: #1e4466; --tile-coral: #5d3029; --tile-mint: #1c4f3c; --tile-lilac: #3d3270;
    --link: #8cc4f7; --warn: #ecb25c; --bad: #f48f80; --good: #62cf9f;
    --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500;
    --grid: #33325a; --axis: #4e4d7a; --ref: #a3a2c2; --chart-muted: #a3a2c2; --critical: #ef7663;
    --popover: #2c2b55; --popover-line: #47467a; --popover-shadow: 0 6px 20px rgba(0, 0, 0, .5);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #1a1930; --soft: #222140; --panel: #24234a; --ink: #f4f4fb; --muted: #b3b2cf; --line: #37365f; --line-strong: #4a4978;
  --tile-sun: #574a1c; --tile-sky: #1e4466; --tile-coral: #5d3029; --tile-mint: #1c4f3c; --tile-lilac: #3d3270;
  --link: #8cc4f7; --warn: #ecb25c; --bad: #f48f80; --good: #62cf9f;
  --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500;
  --grid: #33325a; --axis: #4e4d7a; --ref: #a3a2c2; --chart-muted: #a3a2c2; --critical: #ef7663;
  --popover: #2c2b55; --popover-line: #47467a; --popover-shadow: 0 6px 20px rgba(0, 0, 0, .5);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-sans); font-size: 1.0625rem; line-height: 1.8; display: flex; flex-direction: column; min-height: 100vh; }
main { flex: 1; }
img, svg { max-width: 100%; }
a { color: var(--link); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; line-height: 1.35; text-wrap: balance; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; border-radius: 6px; }
.wrap { width: 100%; max-width: 1120px; margin-inline: auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.wrap-narrow { max-width: 740px; }
.s-skip { position: absolute; left: -999px; }
.s-skip:focus { left: 12px; top: 12px; z-index: 30; background: var(--panel); padding: .5rem .75rem; border-radius: 10px; }

/* 頁首 */
.s-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: var(--bg); border-bottom: 2px solid var(--line); }
.s-header-in { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.s-brand { display: inline-flex; align-items: center; gap: .5rem; color: var(--ink); text-decoration: none; font-family: var(--font-num); font-weight: 900; font-size: 1.5rem; letter-spacing: -.01em; }
.s-logo { display: block; width: 40px; height: 40px; flex: none; color: var(--ink); --mascot-fill: var(--bg); transition: transform .2s ease; }
.s-logo svg { display: block; width: 100%; height: 100%; }
.s-brand:hover .s-logo { transform: rotate(-8deg) scale(1.06); }
.s-menu-toggle { position: absolute; opacity: 0; pointer-events: none; }
.s-menu-btn { display: none; }
.s-nav { display: flex; align-items: center; gap: .375rem; }
.s-nav a { color: var(--ink); text-decoration: none; padding: .35rem .95rem; border-radius: 999px; font-weight: 500; font-size: 1rem; white-space: nowrap; }
.s-nav a:hover { background: var(--soft); }
.s-nav a[aria-current="page"], .s-nav a.is-active { background: var(--tile-sun); }
@media (max-width: 760px) {
  .s-menu-btn { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 10px; cursor: pointer; }
  .s-menu-btn span { display: block; height: 3px; background: var(--ink); border-radius: 3px; }
  .s-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: .25rem; background: var(--bg); border-bottom: 2px solid var(--line); padding: .5rem 20px 1rem; }
  .s-menu-toggle:checked ~ .s-nav { display: flex; }
  .s-menu-toggle:focus-visible + .s-menu-btn { outline: 3px solid var(--sky); border-radius: 10px; }
  .s-nav a { padding: .6rem .9rem; border-radius: 14px; }
}

/* 麵包屑 */
.s-crumbs { font-size: .9375rem; color: var(--muted); padding-block: .875rem .25rem; }
.s-crumbs a { color: var(--muted); text-decoration: none; }
.s-crumbs a:hover { color: var(--ink); text-decoration: underline; }
.s-crumbs a + a::before, .s-crumbs a + span::before { content: "›"; margin-inline: .45rem; display: inline-block; color: var(--muted); }

/* 按鈕 */
.s-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .5rem 1.5rem; background: var(--sun); color: #2b2a4c; font-weight: 700; border-radius: 16px; border-bottom: 4px solid #e0b521; text-decoration: none; white-space: nowrap; }
.s-btn:hover { filter: brightness(1.04); }
.s-btn:active { transform: translateY(2px); border-bottom-width: 2px; }

/* 文章和一般頁面 */
.s-page { padding-block: 2rem 4rem; }
.s-page h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 0 0 1rem; }
.s-page h2 { font-size: 1.5rem; margin: 2.25rem 0 .5rem; }
.s-page p { margin: 0 0 1rem; }
.s-lede { font-size: 1.1875rem; color: var(--muted); }

/* 首頁主視覺 */
.s-hero { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 1rem 2rem; margin-top: 1.25rem; padding: clamp(1.75rem, 5vw, 3.5rem) clamp(1.5rem, 5vw, 3.5rem) 0; background: var(--tile-sky); border-radius: var(--radius-lg); overflow: hidden; }
.s-hero-text { padding-bottom: clamp(1.75rem, 5vw, 3.5rem); align-self: center; }
.s-hero h1 { font-size: clamp(2.5rem, 7vw, 4.25rem); line-height: 1.2; margin: 0 0 .75rem; }
.s-hero p { margin: 0; font-size: 1.1875rem; max-width: 32rem; }
.s-hero-art { width: clamp(150px, 24vw, 270px); display: block; margin-bottom: 18px; color: var(--ink); --mascot-fill: var(--panel); }
.s-hero-art svg { display: block; width: 100%; height: auto; }
@media (max-width: 620px) { .s-hero { grid-template-columns: minmax(0, 1fr); } .s-hero-text { padding-bottom: 0; } .s-hero-art { justify-self: end; } }
.s-hero.is-small { padding-block: clamp(1.5rem, 4vw, 2.5rem); }
.s-hero.is-small .s-hero-text { padding-bottom: 0; }
.s-hero.is-small .s-hero-art { display: none; }
.s-hero.is-small h1 { font-size: clamp(2rem, 5vw, 3rem); }

/* 作品卡片：每件作品一個顏色 */
.s-section { padding-block: 2.5rem 0; }
.s-section:last-of-type { padding-bottom: 4rem; }
.s-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: .25rem 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.s-section-head h2 { font-size: 1.875rem; margin: 0; }
.s-section-head p { margin: 0; color: var(--muted); }
.s-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr)); gap: 1.25rem; }
.s-card { --tile: var(--tile-sun); display: flex; flex-direction: column; gap: .5rem; min-height: 15rem; padding: 1.5rem; background: var(--tile); border-radius: var(--radius-lg); color: var(--ink); text-decoration: none; transition: transform .18s ease; }
.s-card:hover { transform: translateY(-4px) rotate(-.4deg); }
.s-card h3 { margin: 0; font-size: 1.625rem; }
.s-card p { margin: 0; font-size: 1rem; line-height: 1.65; }
.s-card[data-color="sky"] { --tile: var(--tile-sky); }
.s-card[data-color="coral"] { --tile: var(--tile-coral); }
.s-card[data-color="mint"] { --tile: var(--tile-mint); }
.s-card[data-color="lilac"] { --tile: var(--tile-lilac); }
.s-badge { align-self: flex-start; font-size: .8125rem; font-weight: 700; padding: .1rem .7rem; border-radius: 999px; background: var(--panel); color: var(--ink); }
.s-card-note { margin-top: auto !important; padding-top: .75rem; font-weight: 700; }
.s-empty { color: var(--muted); }

/* 頁尾 */
.s-footer { margin-top: 2rem; background: var(--soft); color: var(--muted); font-size: .9375rem; padding-block: 2.5rem 1.75rem; }
.s-footer a { display: block; color: var(--ink); text-decoration: none; padding-block: .15rem; }
.s-footer a:hover { text-decoration: underline; }
.s-footer p { margin: 0; }
.s-footer-in { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 1.5rem 2rem; }
.s-footer-name { font-family: var(--font-num); font-weight: 900; font-size: 1.375rem; color: var(--ink); }
.s-footer-h { font-weight: 700; color: var(--ink); margin-bottom: .25rem !important; }
.s-footer-note { margin-top: 1.5rem; padding-top: 1rem; border-top: 2px solid var(--line); font-size: .875rem; line-height: 1.7; }
.s-footer-note p + p { margin-top: .25rem; }
@media (max-width: 620px) { .s-footer-in { grid-template-columns: 1fr 1fr; } .s-footer-brand { grid-column: 1 / -1; } }