/* 作品集網站共用樣式：顏色都在最上面的變數，深色模式跟著系統設定 */
:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --ink: #141a26;
  --ink-2: #475164;
  --ink-3: #7b8597;
  --line: #e1e6ee;
  --accent: #1c3a66;
  --accent-soft: #e8eef7;
  --metric: #1c3a66;
  --gold: #b8862b;
  --proj: #1c3a66;
  --shadow: 0 1px 2px rgba(15,30,60,.04), 0 8px 24px rgba(15,30,60,.07);
  --radius: 14px;
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1628;
    --surface: #12223b;
    --ink: #e6ecf5;
    --ink-2: #b4c1d6;
    --ink-3: #8396b3;
    --line: #22355a;
    --accent: #f2c46d;
    --accent-soft: #1c3150;
    --metric: #f2c46d;
    --gold: #f2c46d;
    --proj: #8fb3e8;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* 頁首 */
.topbar { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent);
          backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { font-weight: 700; color: var(--ink); letter-spacing: .5px; }
.brand:hover { text-decoration: none; }
.topbar nav a { color: var(--ink-2); font-size: 15px; margin-left: 20px; }

/* 首頁 */
.hero { padding: 72px 0 40px; }
.hero .eyebrow { color: var(--gold); font-weight: 700; letter-spacing: 2px; font-size: 14px; }
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.25; margin: 10px 0 16px; }
.hero p { color: var(--ink-2); font-size: 18px; max-width: 720px; margin: 0; }
.skills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.btn { padding: 8px 20px; border-radius: 999px; border: 1px solid var(--accent); font-size: 15px; }
.btn.primary { background: var(--accent); color: var(--surface); }
.btn:hover { text-decoration: none; opacity: .88; }
main section[id] { scroll-margin-top: 72px; }

/* 首頁：關於我 */
.about { display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; align-items: start; }
.about > * { min-width: 0; }
.side-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px 8px; }
.side-card h3 { margin: 0 0 12px; font-size: 14px; letter-spacing: 1px; color: var(--gold); }
.timeline { list-style: none; margin: 0 0 18px 6px; padding: 0; border-left: 2px solid var(--line); }
.timeline li { position: relative; padding: 0 0 14px 18px; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 7px; width: 12px; height: 12px; border-radius: 50%;
                       background: var(--surface); border: 2px solid var(--accent); }
.timeline .when { display: block; font-size: 13px; color: var(--ink-3); line-height: 1.5; }
.timeline b { display: block; font-size: 15px; line-height: 1.5; }
.timeline li > span:last-child { display: block; font-size: 14px; color: var(--ink-2); line-height: 1.6; }
.facts { list-style: none; margin: 0 0 14px; padding: 0; font-size: 14.5px; color: var(--ink-2); }
.facts li { margin-bottom: 4px; }
.points.duo { grid-template-columns: repeat(2, 1fr); }

/* 首頁：技能地圖 */
.skillmap { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px 22px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 13px; color: var(--ink-3); margin-bottom: 6px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.srow { display: grid; grid-template-columns: 112px 1fr; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.srow:first-child { border-top: 0; }
.srow h3 { margin: 0; font-size: 14px; color: var(--ink-2); padding-top: 5px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font: inherit; font-size: 14px; line-height: 1.4; display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
        padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); }
.chip:hover { border-color: var(--accent); }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--surface); }
.w { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); flex: none; }
.n { min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px; background: var(--proj); color: var(--surface);
     font-size: 11.5px; font-style: normal; font-weight: 700; line-height: 18px; text-align: center; flex: none; }
.chip[aria-pressed="true"] .w { background: var(--surface); }
.chip[aria-pressed="true"] .n { background: var(--surface); color: var(--accent); }
.sdetail { margin-top: 14px; padding: 14px 18px; border-radius: 12px; background: var(--accent-soft); }
.sdetail h3 { margin: 0 0 6px; font-size: 17px; }
.sdetail .src { margin-left: 10px; font-size: 13px; font-weight: 400; color: var(--ink-3); }
section.block .sdetail ul { list-style: none; padding: 0; }
.sdetail li { font-size: 15px; }
section.block .sdetail .hint { margin: 0; font-size: 14.5px; color: var(--ink-3); }

/* 依技能篩選作品 */
.card { transition: transform .15s, opacity .2s; }
.card.dim { opacity: .3; filter: grayscale(.7); }
.filterbar { display: none; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 14.5px; color: var(--ink-2); }
.filterbar.on { display: flex; }
.filterbar button { font: inherit; font-size: 14px; padding: 2px 12px; border-radius: 999px; cursor: pointer;
                    border: 1px solid var(--line); background: var(--surface); color: var(--accent); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px; padding: 16px 0 72px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
        box-shadow: var(--shadow); display: flex; flex-direction: column; color: inherit; transition: transform .15s; }
.card:hover { transform: translateY(-3px); text-decoration: none; }
.card .thumb { aspect-ratio: 16 / 10; background: var(--accent-soft); overflow: hidden; }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.card .body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card h3 { margin: 0; font-size: 19px; line-height: 1.4; }
.card p { margin: 0; color: var(--ink-2); font-size: 15px; }
.card .meta { margin-top: auto; padding-top: 6px; font-size: 13px; color: var(--ink-3); }

.tag { display: inline-block; font-size: 13px; padding: 3px 11px; border-radius: 999px;
       background: var(--accent-soft); color: var(--accent); white-space: nowrap; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.badge { font-size: 12px; padding: 2px 9px; border-radius: 6px; border: 1px solid var(--line); color: var(--ink-3); }

/* 作品頁 */
.back { display: inline-block; margin: 28px 0 8px; color: var(--ink-3); font-size: 15px; }
.project-head h1 { font-size: clamp(26px, 4.4vw, 40px); line-height: 1.3; margin: 6px 0 10px; }
.project-head .lead { font-size: 18px; color: var(--ink-2); margin: 0 0 14px; }
.project-head .info { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--ink-3); font-size: 14px; margin-bottom: 14px; }

.hero-media { margin: 28px 0 8px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
              box-shadow: var(--shadow); background: var(--surface); }

.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin: 28px 0; }
.metric { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.metric b { display: block; font-size: 30px; line-height: 1.2; color: var(--metric); }
.metric span { font-size: 14px; color: var(--ink-2); }

/* 三個重點：面試與企業最在意的事 */
.points { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 28px 0; }
.point { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--metric);
         border-radius: var(--radius); padding: 16px 20px 18px; }
.point b { display: block; font-size: 20px; line-height: 1.4; color: var(--metric); margin-bottom: 4px; }
.point span { font-size: 15px; color: var(--ink-2); line-height: 1.65; }

section.block { margin: 44px 0; }
section.block > h2 { font-size: 22px; margin: 0 0 14px; padding-left: 12px; border-left: 4px solid var(--accent); line-height: 1.3; }
section.block p { margin: 0 0 12px; color: var(--ink-2); }
section.block ul { margin: 0; padding-left: 22px; color: var(--ink-2); }
section.block li { margin-bottom: 6px; }
section.block li b, section.block p b { color: var(--ink); }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.feature h3 { margin: 0 0 4px; font-size: 16px; }
.feature p { margin: 0; font-size: 15px; }

/* 分頁切換（Demo GIF、射法八節） */
.tabs .tablist { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.tabs .tablist button { font: inherit; font-size: 15px; padding: 7px 16px; border-radius: 999px; cursor: pointer;
                        border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); }
.tabs .tablist button[aria-selected="true"] { background: var(--accent); border-color: var(--accent); color: var(--surface); }
.tabs .panel { display: none; }
.tabs .panel.active { display: block; }
.tabs figure { margin: 0; }

figure.shot { margin: 0; }
figure.shot img, .tabs img { border-radius: 10px; border: 1px solid var(--line); background: var(--surface); cursor: zoom-in; }
figcaption { font-size: 14px; color: var(--ink-3); margin-top: 8px; }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.gallery.phones { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.two > * { min-width: 0; }

.stack { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; font-size: 15px; color: var(--ink-2); }
.stack dt { color: var(--ink); font-weight: 700; }
.stack dd { margin: 0; }

.note { font-size: 14px; color: var(--ink-3); background: var(--surface); border: 1px dashed var(--line);
        border-radius: 10px; padding: 10px 14px; }

.next { display: flex; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line);
        padding: 26px 0 60px; margin-top: 56px; font-size: 15px; }

footer.site { border-top: 1px solid var(--line); color: var(--ink-3); font-size: 13px; padding: 22px 0 36px; }

/* 點圖放大 */
.lightbox { position: fixed; inset: 0; background: rgba(0,0,0,.86); display: none; align-items: center;
            justify-content: center; z-index: 50; padding: 20px; cursor: zoom-out; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 8px; }

@media (max-width: 720px) {
  .hero { padding: 44px 0 24px; }
  .hero h1 { font-size: 26px; }
  .two { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .topbar nav a { margin-left: 14px; }
  .stack { grid-template-columns: 1fr; gap: 2px; }
  .stack dd { margin-bottom: 8px; }
  .about, .points.duo { grid-template-columns: 1fr; }
  .srow { grid-template-columns: 1fr; gap: 6px; }
  .srow h3 { padding-top: 0; }
  .skillmap { padding: 16px 16px 18px; }
}