/* ==========================================================================
   謝楠楨 教授個人網站 — 共用樣式
   單一來源，index.html 與 courses.html 共用
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 設計 Token — 6 款主題
   所有顏色一律走 token，元件內不得出現硬寫死色碼
   -------------------------------------------------------------------------- */
:root,
body.theme-academy {
  /* 學院藍 — 預設，沉穩的學術基調 */
  --brand:        #1f3a5f;
  --brand-deep:   #142943;
  --brand-tint:   rgba(31, 58, 95, .07);
  --on-brand:     #ffffff;

  --accent:       #9c7538;
  --accent-deep:  #7d5c28;
  --accent-tint:  rgba(156, 117, 56, .12);

  --ink:          #1c242e;
  --muted:        #4d5865;
  --faint:        #737f8b;

  --line:         #e2ded4;
  --line-strong:  #c9c3b5;

  --surface:      #ffffff;
  --surface-2:    #f7f4ed;
  --card:         #ffffff;

  --ok-bg:        #dcfce7;  --ok-fg:     #14532d;
  --warn-bg:      #fef3c7;  --warn-fg:   #78350f;
  --danger-bg:    #fee2e2;  --danger-fg: #991b1b;
  --info-bg:      #e0f2fe;  --info-fg:   #075985;

  --hero-from:    #1f3a5f;
  --hero-to:      #142943;
  --hero-ink:     #e8eef4;
  --hero-dim:     #b3c3d3;

  --shadow-1: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
  --shadow-2: 0 4px 6px -2px rgba(16, 24, 40, .04), 0 12px 24px -6px rgba(16, 24, 40, .10);
  --shadow-3: 0 24px 48px -12px rgba(16, 24, 40, .22);

  --radius:    12px;
  --radius-lg: 18px;
  --maxw:      1120px;

  --font-serif: "Noto Serif TC", "Noto Serif", Georgia, serif;
  --font-sans:  "Noto Sans TC", "Noto Sans", "Inter", system-ui, -apple-system, sans-serif;
  --font-latin: "Cormorant Garamond", Georgia, serif;
  --font-mono:  ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  color-scheme: light;
}

body.theme-oxford {
  /* 牛津墨 — 高對比、銳利，適合閱讀密度高的內容 */
  --brand:        #10192b;
  --brand-deep:   #060b16;
  --brand-tint:   rgba(16, 25, 43, .06);
  --on-brand:     #ffffff;

  --accent:       #b4530f;
  --accent-deep:  #8f3f0a;
  --accent-tint:  rgba(180, 83, 15, .10);

  --ink:          #10192b;
  --muted:        #45505f;
  --faint:        #6b7583;

  --line:         #e3e6ea;
  --line-strong:  #c3c9d1;

  --surface:      #ffffff;
  --surface-2:    #f6f7f9;
  --card:         #ffffff;

  --ok-bg:        #dcfce7;  --ok-fg:     #14532d;
  --warn-bg:      #fef3c7;  --warn-fg:   #78350f;
  --danger-bg:    #fee2e2;  --danger-fg: #991b1b;
  --info-bg:      #e0f2fe;  --info-fg:   #075985;

  --hero-from:    #10192b;
  --hero-to:      #060b16;
  --hero-ink:     #eef1f5;
  --hero-dim:     #a9b4c2;

  color-scheme: light;
}

body.theme-clinic {
  /* 智慧醫療 — 綠松組合，呼應健康科技領域 */
  --brand:        #0b4f45;
  --brand-deep:   #063730;
  --brand-tint:   rgba(11, 79, 69, .07);
  --on-brand:     #ffffff;

  --accent:       #0e7490;
  --accent-deep:  #0b5568;
  --accent-tint:  rgba(14, 116, 144, .10);

  --ink:          #12211f;
  --muted:        #435551;
  --faint:        #6b7d79;

  --line:         #d9e6e2;
  --line-strong:  #b4ccc6;

  --surface:      #ffffff;
  --surface-2:    #f2f8f6;
  --card:         #ffffff;

  --ok-bg:        #d1fae5;  --ok-fg:     #065f46;
  --warn-bg:      #fef3c7;  --warn-fg:   #78350f;
  --danger-bg:    #fee2e2;  --danger-fg: #991b1b;
  --info-bg:      #cffafe;  --info-fg:   #155e75;

  --hero-from:    #0b4f45;
  --hero-to:      #063730;
  --hero-ink:     #e6f2ef;
  --hero-dim:     #a8c8c1;

  color-scheme: light;
}

body.theme-terracotta {
  /* 陶土橙 — 溫暖沉穩，帶一點手作質感 */
  --brand:        #9a4a2c;
  --brand-deep:   #78381f;
  --brand-tint:   rgba(154, 74, 44, .08);
  --on-brand:     #ffffff;

  --accent:       #3f6d5c;
  --accent-deep:  #2f5346;
  --accent-tint:  rgba(63, 109, 92, .12);

  --ink:          #2b211c;
  --muted:        #5c4f47;
  --faint:        #83766d;

  --line:         #e8ded3;
  --line-strong:  #d0c0ac;

  --surface:      #ffffff;
  --surface-2:    #f8f2ea;
  --card:         #ffffff;

  --ok-bg:        #dcfce7;  --ok-fg:     #14532d;
  --warn-bg:      #fef3c7;  --warn-fg:   #78350f;
  --danger-bg:    #fee2e2;  --danger-fg: #991b1b;
  --info-bg:      #e0f2fe;  --info-fg:   #075985;

  --hero-from:    #9a4a2c;
  --hero-to:      #6b331c;
  --hero-ink:     #f7ece4;
  --hero-dim:     #dcbba9;

  color-scheme: light;
}

body.theme-indigo {
  /* 靛藍蒼穹 — 現代、略帶科技感，與暖色系互補 */
  --brand:        #3730a3;
  --brand-deep:   #282270;
  --brand-tint:   rgba(55, 48, 163, .08);
  --on-brand:     #ffffff;

  --accent:       #d97706;
  --accent-deep:  #b45f04;
  --accent-tint:  rgba(217, 119, 6, .12);

  --ink:          #1e1b3a;
  --muted:        #4c4870;
  --faint:        #767295;

  --line:         #e2e0f0;
  --line-strong:  #c5c1e3;

  --surface:      #ffffff;
  --surface-2:    #f4f3fb;
  --card:         #ffffff;

  --ok-bg:        #dcfce7;  --ok-fg:     #14532d;
  --warn-bg:      #fef3c7;  --warn-fg:   #78350f;
  --danger-bg:    #fee2e2;  --danger-fg: #991b1b;
  --info-bg:      #e0f2fe;  --info-fg:   #075985;

  --hero-from:    #3730a3;
  --hero-to:      #241e70;
  --hero-ink:     #ecebf9;
  --hero-dim:     #bab5e0;

  color-scheme: light;
}

body.theme-night {
  /* 深夜 — 真正調校過的深色模式，所有語意色一併反轉 */
  --brand:        #7aa7d9;
  --brand-deep:   #a3c4e8;
  --brand-tint:   rgba(122, 167, 217, .12);
  --on-brand:     #0b1220;

  --accent:       #d4a960;
  --accent-deep:  #e5c186;
  --accent-tint:  rgba(212, 169, 96, .14);

  --ink:          #e6edf5;
  --muted:        #a3b1c2;
  --faint:        #7d8b9c;

  --line:         #263243;
  --line-strong:  #3a4859;

  --surface:      #0d1420;
  --surface-2:    #151e2c;
  --card:         #131c29;

  --ok-bg:        #12331f;  --ok-fg:     #86efac;
  --warn-bg:      #3a2c0d;  --warn-fg:   #fcd34d;
  --danger-bg:    #3b1418;  --danger-fg: #fca5a5;
  --info-bg:      #0e2b3d;  --info-fg:   #7dd3fc;

  --hero-from:    #16233a;
  --hero-to:      #0b1220;
  --hero-ink:     #e6edf5;
  --hero-dim:     #94a6bb;

  --shadow-1: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-2: 0 8px 24px -8px rgba(0, 0, 0, .55);
  --shadow-3: 0 24px 48px -12px rgba(0, 0, 0, .7);

  color-scheme: dark;
}

/* --------------------------------------------------------------------------
   2. 基礎
   -------------------------------------------------------------------------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  transition: background .25s ease, color .25s ease;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

.serif  { font-family: var(--font-serif); }
.latin  { font-family: var(--font-latin); }
.mono   { font-family: var(--font-mono); }

/* 雙語切換 — 用 display:none 而非 inline，避免壓壞區塊元素 */
[data-lang="en"] { display: none; }
body.lang-en [data-lang="zh"] { display: none; }
body.lang-en [data-lang="en"] { display: revert; }

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

/* 鍵盤焦點環 — 全站一致 */
:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 999;
  background: var(--brand); color: var(--on-brand);
  padding: 10px 18px; border-radius: 0 0 8px 8px;
  text-decoration: none; font-size: 14px; font-weight: 600;
  transition: top .18s ease;
}
.skip-link:focus { top: 0; }

/* --------------------------------------------------------------------------
   3. 導覽列
   -------------------------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap {
  max-width: var(--maxw); margin: 0 auto;
  padding: 10px 28px;
  display: flex; align-items: center; gap: 20px;
}

.brand {
  font-family: var(--font-serif); font-weight: 700; font-size: 18px;
  color: var(--brand); text-decoration: none;
  display: inline-flex; align-items: baseline; gap: 8px;
  white-space: nowrap;
}
.brand small {
  font-family: var(--font-latin); font-weight: 600; font-size: 15px;
  color: var(--faint); letter-spacing: .02em;
}

/* 頁內錨點導覽 */
.sitenav { display: flex; gap: 2px; margin-left: auto; }
.sitenav a {
  font-size: 14px; color: var(--muted); text-decoration: none;
  padding: 7px 13px; border-radius: 8px; white-space: nowrap;
  transition: background .15s ease, color .15s ease;
}
.sitenav a:hover { background: var(--surface-2); color: var(--brand); }
.sitenav a[aria-current="true"] { color: var(--brand); font-weight: 600; background: var(--brand-tint); }

.nav-controls { display: flex; align-items: center; gap: 10px; }

.langtoggle {
  display: inline-flex; border: 1px solid var(--line);
  border-radius: 999px; overflow: hidden; background: var(--surface-2);
}
.langtoggle .seg {
  appearance: none; border: 0; background: transparent;
  font-family: inherit; font-size: 13px; padding: 6px 13px;
  color: var(--faint); cursor: pointer; transition: .15s;
}
.langtoggle .seg:hover { color: var(--brand); }
.langtoggle .seg[aria-pressed="true"] { background: var(--brand); color: var(--on-brand); }

/* 漢堡選單 — 僅行動版 */
.navtoggle {
  display: none; appearance: none; border: 1px solid var(--line);
  background: var(--surface-2); color: var(--ink);
  width: 40px; height: 40px; border-radius: 10px;
  cursor: pointer; align-items: center; justify-content: center;
}
.navtoggle svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; }

/* --------------------------------------------------------------------------
   4. 按鈕
   -------------------------------------------------------------------------- */
.btn {
  appearance: none; border: 1px solid transparent;
  font-family: inherit; font-size: 14px; font-weight: 600;
  padding: 9px 18px; border-radius: 999px;
  cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  transition: background .15s ease, border-color .15s ease, transform .15s ease, box-shadow .15s ease;
  line-height: 1.4;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary { background: var(--brand); color: var(--on-brand); }
.btn-primary:hover:not(:disabled) { background: var(--brand-deep); box-shadow: var(--shadow-2); }

.btn-accent { background: var(--accent); color: var(--on-brand); }
.btn-accent:hover:not(:disabled) { background: var(--accent-deep); box-shadow: var(--shadow-2); }

.btn-ghost { background: var(--surface-2); color: var(--brand); border-color: var(--line); }
.btn-ghost:hover:not(:disabled) { border-color: var(--brand); background: var(--brand-tint); }

.btn-quiet { background: transparent; color: var(--muted); border-color: var(--line); }
.btn-quiet:hover:not(:disabled) { color: var(--ink); border-color: var(--line-strong); }

.btn-danger { background: var(--danger-bg); color: var(--danger-fg); border-color: transparent; }
.btn-danger:hover:not(:disabled) { background: var(--danger-fg); color: var(--surface); }

.btn-ok { background: var(--ok-bg); color: var(--ok-fg); border-color: transparent; }
.btn-ok:hover:not(:disabled) { background: var(--ok-fg); color: var(--surface); }

.btn-sm    { font-size: 12.5px; padding: 5px 12px; }
.btn-block { width: 100%; }
.btn-rect  { border-radius: 9px; }

/* --------------------------------------------------------------------------
   5. 版型引擎 — 同一份 HTML，五種版面
      layout-table     緊湊表格（預設）
      layout-sidebar   側邊欄雙欄
      layout-timeline  時間軸
      layout-cover     雜誌式封面
      layout-minimal   極簡置中
   -------------------------------------------------------------------------- */

.page { max-width: none; }

/* 個人資訊面板：四種版型的共同基底 */
.profile-panel { position: relative; }
.panel-inner { max-width: var(--maxw); margin: 0 auto; }

.eyebrow {
  font-size: 12px; letter-spacing: .3em; text-transform: uppercase;
  color: var(--hero-dim); margin-bottom: 16px;
}
.hname {
  font-family: var(--font-serif); font-weight: 700;
  font-size: clamp(36px, 5.2vw, 56px); line-height: 1.08; color: #fff;
}
.hname .romanized {
  display: block; font-family: var(--font-latin); font-weight: 600;
  font-size: clamp(19px, 2.6vw, 27px); letter-spacing: .04em;
  color: var(--hero-dim); margin-top: 9px;
}
.hrole { font-size: clamp(15px, 1.7vw, 18px); color: #fff; margin-top: 16px; font-weight: 600; }
.hbio  { font-size: 15px; color: var(--hero-ink); margin-top: 12px; max-width: 62ch; line-height: 1.8; opacity: .9; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tags span {
  font-size: 13px; padding: 6px 15px;
  border: 1px solid rgba(255,255,255,.24); border-radius: 999px;
  color: var(--hero-ink); background: rgba(255,255,255,.06);
}

.hcontact {
  display: flex; flex-wrap: wrap; gap: 10px 28px;
  margin-top: 26px; padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.16);
  font-size: 14px; color: var(--hero-dim);
}
.hcontact a { color: var(--hero-dim); text-decoration: none; }
.hcontact a:hover { color: #fff; text-decoration: underline; }
.hcontact .ico { opacity: .7; margin-right: 6px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
.hero-actions .btn-ghost {
  background: rgba(255,255,255,.10); color: #fff; border-color: rgba(255,255,255,.28);
}
.hero-actions .btn-ghost:hover { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.5); }

.scholar-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.scholar-links a {
  font-size: 12.5px; color: var(--hero-ink); text-decoration: none;
  border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.06);
  padding: 5px 12px; border-radius: 7px;
}
.scholar-links a:hover { background: rgba(255,255,255,.18); }

.portrait {
  display: block; object-fit: cover; border-radius: 14px;
  border: 1px solid rgba(255,255,255,.25); box-shadow: var(--shadow-3);
}
.portrait-fallback {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-latin); color: rgba(255,255,255,.34);
  border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.06);
  border-radius: 14px;
}

main { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
section { padding: 54px 0 8px; scroll-margin-top: 84px; }

.skh { display: flex; align-items: baseline; gap: 16px; margin-bottom: 22px; }
.skh h2 { font-family: var(--font-serif); font-weight: 700; font-size: 23px; color: var(--brand); white-space: nowrap; }
.skh .ln { flex: 1; height: 1px; background: var(--line); }
.skh .aux { font-size: 13px; color: var(--faint); white-space: nowrap; }

.cols { display: grid; grid-template-columns: 1fr 1.45fr; gap: 20px 56px; align-items: start; }
.block .lab { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: 6px; }
.block .big { font-family: var(--font-serif); font-size: 21px; color: var(--ink); font-weight: 700; }

.chiplist { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.chiplist li {
  font-size: 14px; color: var(--brand); background: var(--brand-tint);
  border: 1px solid var(--line); padding: 6px 14px; border-radius: 999px;
}


/* ========== 版型 A：緊湊表格（預設）========== */

.layout-table .profile-panel,
.layout-timeline .profile-panel {
  background: linear-gradient(155deg, var(--hero-from) 0%, var(--hero-to) 100%);
  color: var(--hero-ink); padding: 60px 28px 52px; overflow: hidden;
}
.layout-table .profile-panel::after,
.layout-timeline .profile-panel::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(70ch 40ch at 88% -10%, rgba(255,255,255,.08), transparent 60%);
}
.layout-table .panel-inner,
.layout-timeline .panel-inner { position: relative; }

/* 橫幅版型：照片浮在右上 */
.layout-table .portrait-wrap,
.layout-timeline .portrait-wrap { float: right; margin: 0 0 20px 32px; }
.layout-table .portrait, .layout-table .portrait-fallback,
.layout-timeline .portrait, .layout-timeline .portrait-fallback { width: 164px; height: 204px; font-size: 74px; }
.layout-table .hcontact, .layout-timeline .hcontact { clear: both; }


/* ========== 版型 B：側邊欄雙欄 ========== */

.layout-sidebar .page {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 0;
  max-width: 1320px; margin: 0 auto;
  align-items: start;
}
.layout-sidebar .profile-panel {
  background: linear-gradient(170deg, var(--hero-from) 0%, var(--hero-to) 100%);
  color: var(--hero-ink);
  position: sticky; top: 57px;
  height: calc(100vh - 57px);
  overflow-y: auto;
  padding: 34px 26px;
}
.layout-sidebar .panel-inner { max-width: none; }
.layout-sidebar .portrait-wrap { margin-bottom: 20px; }
.layout-sidebar .portrait,
.layout-sidebar .portrait-fallback { width: 100%; height: 268px; font-size: 84px; }
.layout-sidebar .eyebrow { font-size: 11px; letter-spacing: .18em; line-height: 1.7; margin-bottom: 12px; }
.layout-sidebar .hname { font-size: 34px; }
.layout-sidebar .hname .romanized { font-size: 18px; margin-top: 6px; }
.layout-sidebar .hrole { font-size: 15px; margin-top: 12px; }
.layout-sidebar .hbio { font-size: 13.5px; line-height: 1.75; margin-top: 10px; }
.layout-sidebar .tags { gap: 6px; margin-top: 18px; }
.layout-sidebar .tags span { font-size: 11.5px; padding: 4px 11px; }
.layout-sidebar .hcontact { flex-direction: column; gap: 7px; font-size: 12.5px; margin-top: 20px; padding-top: 16px; }
.layout-sidebar .hero-actions { flex-direction: column; align-items: stretch; }
.layout-sidebar main { max-width: 860px; margin: 0; padding: 0 40px 40px; }
.layout-sidebar section:first-child { padding-top: 44px; }

/* 側邊欄版型：學歷已透過個人資訊欄的 Ph.D. 標示帶出，這裡不重複顯示，
   讓研究專長獨占版面寬度 */
.layout-sidebar .edu-block { display: none; }
.layout-sidebar #profileCols { grid-template-columns: 1fr; }

/* 側邊欄捲軸配色 */
.layout-sidebar .profile-panel::-webkit-scrollbar { width: 7px; }
.layout-sidebar .profile-panel::-webkit-scrollbar-thumb { background: rgba(255,255,255,.2); border-radius: 4px; }
.layout-sidebar .profile-panel::-webkit-scrollbar-track { background: transparent; }


/* ========== 版型 C：時間軸 ========== */
/* 表格語意保留（螢幕閱讀器仍讀得到欄位），視覺上轉為節點串連 */

.layout-timeline .svc,
.layout-timeline .svc tbody,
.layout-timeline .svc tr,
.layout-timeline .svc td { display: block; width: 100%; }
.layout-timeline .svc thead { display: none; }

.layout-timeline .svc tbody {
  position: relative; padding-left: 30px;
}
.layout-timeline .svc tbody::before {
  content: ""; position: absolute; left: 6px; top: 10px; bottom: 10px;
  width: 2px; background: var(--line);
}
.layout-timeline .svc tr {
  position: relative; padding: 0 0 26px 4px; border: 0;
}
.layout-timeline .svc tr::before {
  content: ""; position: absolute; left: -29px; top: 8px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--surface); border: 2px solid var(--line-strong);
}
/* 實心圓＝現職，空心圓＝已結束 */
.layout-timeline .svc tr.cur::before {
  background: var(--accent); border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-tint);
}
.layout-timeline .svc td { border: 0; padding: 0; width: auto !important; }
.layout-timeline .svc .c-yr {
  font-size: 12.5px; letter-spacing: .04em; margin-bottom: 3px;
  color: var(--accent); font-weight: 700;
}
.layout-timeline .svc .c-org { font-size: 16px; line-height: 1.5; }
.layout-timeline .svc .c-org small { margin-top: 1px; }
.layout-timeline .svc .c-role { font-size: 13.5px; margin-top: 3px; }
.layout-timeline .svc .c-role::before { content: "— "; color: var(--faint); }
.layout-timeline .svc tbody tr:hover td { background: transparent; }
.layout-timeline .svc tbody tr:hover .c-org { color: var(--brand); }


/* ========== 版型 D：雜誌式封面 ========== */

.layout-cover .profile-panel {
  background: linear-gradient(150deg, var(--hero-from) 0%, var(--hero-to) 100%);
  color: var(--hero-ink);
  min-height: min(76vh, 620px);
  display: flex; align-items: center;
  padding: 68px 28px;
  overflow: hidden;
}
.layout-cover .profile-panel::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(50ch 50ch at 78% 30%, rgba(255,255,255,.10), transparent 62%),
    linear-gradient(180deg, transparent 70%, rgba(0,0,0,.18));
}
.layout-cover .panel-inner {
  position: relative; width: 100%;
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: 56px; align-items: center;
}
.layout-cover .portrait-wrap { grid-column: 2; grid-row: 1 / span 20; }
.layout-cover .portrait,
.layout-cover .portrait-fallback { width: 268px; height: 336px; font-size: 116px; border-radius: 4px; }
.layout-cover .eyebrow { letter-spacing: .42em; font-size: 11.5px; }
.layout-cover .hname { font-size: clamp(46px, 7.5vw, 88px); letter-spacing: -.01em; }
.layout-cover .hname .romanized {
  font-family: var(--font-sans); font-weight: 300;
  font-size: clamp(14px, 1.5vw, 17px); letter-spacing: .34em;
  text-transform: uppercase; margin-top: 16px;
}
.layout-cover .hrole {
  font-size: 17px; font-weight: 400; margin-top: 20px;
  padding-top: 18px; border-top: 2px solid rgba(255,255,255,.3); display: inline-block;
}
.layout-cover .hbio { font-size: 15px; max-width: 50ch; }
.layout-cover .tags,
.layout-cover .scholar-links { max-width: 54ch; }
.layout-cover .hcontact { font-size: 13px; }

/* 封面版：學歷與專長轉為並排卡片 */
.layout-cover #profile .cols {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px;
}
.layout-cover #profile .block {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow-1);
}
.layout-cover #profile .skh { margin-bottom: 14px; }
.layout-cover #profile .skh h2 { font-size: 17px; }
.layout-cover #profile .skh .ln { display: none; }


/* ========== 版型 E：極簡置中 ========== */

.layout-minimal .profile-panel {
  background: var(--brand); color: var(--hero-ink);
  padding: 76px 28px 56px; text-align: center;
}
.layout-minimal .panel-inner { max-width: 680px; }
.layout-minimal .portrait-wrap { float: none; margin: 0 auto 26px; width: 148px; }
.layout-minimal .portrait, .layout-minimal .portrait-fallback {
  width: 148px; height: 148px; margin: 0 auto; border-radius: 50%; font-size: 54px;
}
.layout-minimal .eyebrow, .layout-minimal .hname,
.layout-minimal .hrole, .layout-minimal .hbio { text-align: center; }
.layout-minimal .hbio { margin-left: auto; margin-right: auto; }
.layout-minimal .tags, .layout-minimal .hero-actions,
.layout-minimal .scholar-links, .layout-minimal .hcontact {
  justify-content: center; text-align: left;
}
.layout-minimal .hcontact { border-top: none; }
.layout-minimal main { max-width: 760px; }
.layout-minimal #profile .cols { grid-template-columns: 1fr; gap: 28px; }


/* ========== 版面／配色切換器 ========== */

.looks { position: relative; }
.looks-panel {
  position: absolute; right: 0; top: calc(100% + 10px); z-index: 200;
  width: 320px; padding: 16px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-3);
}
.looks-panel[hidden] { display: none; }
.looks-group + .looks-group { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.looks-group h4 {
  font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--faint); margin-bottom: 10px; font-weight: 700;
}
.looks-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.look-card {
  appearance: none; font-family: inherit; text-align: left; cursor: pointer;
  border: 2px solid var(--line); border-radius: 10px; padding: 8px;
  background: var(--surface-2); color: var(--ink);
  display: flex; flex-direction: column; gap: 7px; transition: .15s;
}
.look-card:hover { border-color: var(--line-strong); }
.look-card[aria-pressed="true"] { border-color: var(--brand); background: var(--brand-tint); }
.look-card .name { font-size: 12.5px; font-weight: 600; line-height: 1.3; }

/* 版型縮圖：用純 CSS 畫出四種骨架 */
.look-thumb {
  height: 42px; border-radius: 5px; overflow: hidden;
  border: 1px solid var(--line); background: var(--card);
  display: flex; gap: 2px; padding: 3px;
}
.look-thumb i { display: block; background: var(--line-strong); border-radius: 2px; }
.look-thumb.t-table  { flex-direction: column; }
.look-thumb.t-table  i:nth-child(1) { height: 12px; background: var(--brand); }
.look-thumb.t-table  i:nth-child(n+2) { height: 4px; }
.look-thumb.t-sidebar i:nth-child(1) { width: 30%; background: var(--brand); }
.look-thumb.t-sidebar i:nth-child(2) { flex: 1; }
.look-thumb.t-timeline { flex-direction: column; }
.look-thumb.t-timeline i:nth-child(1) { height: 11px; background: var(--brand); }
.look-thumb.t-timeline i:nth-child(n+2) { height: 4px; margin-left: 8px; position: relative; }
.look-thumb.t-cover { flex-direction: column; }
.look-thumb.t-cover i:nth-child(1) { height: 22px; background: var(--brand); }
.look-thumb.t-cover i:nth-child(n+2) { height: 5px; }
.look-thumb.t-minimal { flex-direction: column; align-items: center; justify-content: center; gap: 3px; }
.look-thumb.t-minimal i:nth-child(1) { width: 12px; height: 12px; border-radius: 50%; background: var(--brand); }
.look-thumb.t-minimal i:nth-child(n+2) { width: 70%; height: 3px; }

.theme-card {
  border: 2px solid var(--line); border-radius: 10px; padding: 8px;
  cursor: pointer; background: var(--surface-2); text-align: left;
  display: flex; flex-direction: column; gap: 7px;
  font-family: inherit; color: var(--ink); transition: .15s;
}
.theme-card:hover { border-color: var(--line-strong); }
.theme-card[aria-pressed="true"] { border-color: var(--brand); background: var(--brand-tint); }
.theme-swatch { height: 26px; border-radius: 5px; display: flex; overflow: hidden; border: 1px solid var(--line); }
.theme-swatch i { display: block; height: 100%; }
.theme-swatch i:nth-child(1) { flex: 2; }
.theme-swatch i:nth-child(2) { flex: 1; }
.theme-swatch i:nth-child(3) { flex: 1; }
.theme-name { font-size: 12.5px; font-weight: 600; }

/* --------------------------------------------------------------------------
   7. 經歷表格（含行動版卡片化）
   -------------------------------------------------------------------------- */
.exp-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.exp-filters button {
  appearance: none; font-family: inherit; font-size: 13px;
  padding: 6px 14px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: var(--surface-2); color: var(--muted);
  transition: .15s;
}
.exp-filters button:hover { border-color: var(--line-strong); color: var(--ink); }
.exp-filters button[aria-pressed="true"] { background: var(--brand); color: var(--on-brand); border-color: var(--brand); }

.svc { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.svc th {
  text-align: left; font-weight: 600; color: var(--faint);
  font-size: 11.5px; letter-spacing: .13em; text-transform: uppercase;
  padding: 0 14px 10px; border-bottom: 2px solid var(--brand);
}
.svc td { padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.svc tbody tr:hover td { background: var(--surface-2); }
.svc .c-yr {
  white-space: nowrap; color: var(--accent); font-size: 13px;
  width: 168px; font-variant-numeric: tabular-nums; font-weight: 600;
}
.svc .c-org { font-weight: 600; width: 42%; color: var(--ink); }
.svc .c-org small { display: block; font-weight: 400; color: var(--faint); font-size: 12.5px; }
.svc .c-role { color: var(--muted); }
.svc tr.cur .c-org { color: var(--brand); }
.svc tr[hidden] { display: none; }

.exp-groupbar {
  display: flex; align-items: center; gap: 14px;
  margin: 34px 0 12px; padding-bottom: 8px;
  border-bottom: 1px solid var(--brand);
}
.exp-groupbar h3 {
  font-family: var(--font-serif); font-size: 14px; letter-spacing: .14em;
  color: var(--brand); font-weight: 700;
}
.exp-groupbar .ln { flex: 1; }

details.exp-past > summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 14px 18px; margin-top: 26px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius);
  font-family: var(--font-serif); font-weight: 700; font-size: 15px; color: var(--brand);
  transition: .15s;
}
details.exp-past > summary::-webkit-details-marker { display: none; }
details.exp-past > summary:hover { border-color: var(--brand); }
details.exp-past > summary .hint { font-family: var(--font-sans); font-size: 13px; font-weight: 400; color: var(--faint); }
details.exp-past[open] > summary { border-radius: var(--radius) var(--radius) 0 0; margin-bottom: 0; }
details.exp-past[open] > summary .chev { transform: rotate(180deg); }
details.exp-past .chev { transition: transform .2s ease; display: inline-block; }
details.exp-past .exp-past-body {
  border: 1px solid var(--line); border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius); padding: 8px 18px 18px;
}

/* --------------------------------------------------------------------------
   9. 課程專區
   -------------------------------------------------------------------------- */
.courses-hero {
  background: linear-gradient(155deg, var(--hero-from) 0%, var(--hero-to) 100%);
  color: var(--hero-ink); padding: 48px 28px 42px;
}
.courses-hero .wrap { max-width: var(--maxw); margin: 0 auto; }
.courses-hero h1 { font-family: var(--font-serif); font-size: clamp(28px, 4.4vw, 42px); font-weight: 700; color: #fff; }
.courses-hero p { font-size: 15.5px; color: var(--hero-dim); margin-top: 10px; max-width: 68ch; }

.access-strip {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  margin-top: 22px; padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.16);
  font-size: 13.5px; color: var(--hero-dim);
}
.access-strip .who { color: #fff; font-weight: 600; }

.state-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 600; padding: 4px 11px; border-radius: 999px;
}
.state-badge.guest    { background: rgba(255,255,255,.12); color: #fff; }
.state-badge.pending  { background: var(--warn-bg);   color: var(--warn-fg); }
.state-badge.approved { background: var(--ok-bg);     color: var(--ok-fg); }
.state-badge.rejected { background: var(--danger-bg); color: var(--danger-fg); }

main.courses { padding-top: 34px; padding-bottom: 20px; }

.notice {
  border-left: 4px solid var(--accent); background: var(--accent-tint);
  padding: 15px 20px; border-radius: 0 var(--radius) var(--radius) 0; margin-bottom: 24px;
}
.notice h4 { font-size: 15px; color: var(--brand); margin-bottom: 4px; }
.notice p  { font-size: 14px; color: var(--muted); }
.notice .when { font-size: 12px; color: var(--faint); margin-top: 6px; }

.course-filters {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  background: var(--surface-2); padding: 14px 18px;
  border-radius: var(--radius); border: 1px solid var(--line); margin-bottom: 24px;
}
.filter-group { display: flex; align-items: center; gap: 7px; font-size: 13.5px; color: var(--muted); }
.filter-group select, .filter-group input {
  padding: 7px 13px; border: 1px solid var(--line); border-radius: 8px;
  font-family: inherit; font-size: 14px; background: var(--card); color: var(--ink);
}
.filter-search { flex: 1; min-width: 200px; }
.filter-search input { width: 100%; }
.filter-count { margin-left: auto; font-size: 13px; color: var(--faint); white-space: nowrap; }

.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 22px; }

.course-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 22px;
  box-shadow: var(--shadow-1);
  display: flex; flex-direction: column;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.course-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: var(--line-strong); }
.course-card .grow { flex: 1; }

.course-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 10px; }
.badge-sem   { background: var(--brand); color: var(--on-brand); font-size: 11.5px; padding: 3px 11px; border-radius: 999px; font-weight: 600; }
.badge-level { background: var(--surface-2); color: var(--muted); border: 1px solid var(--line); font-size: 11.5px; padding: 2px 9px; border-radius: 6px; }
.course-code { font-family: var(--font-mono); font-size: 12.5px; color: var(--faint); letter-spacing: .04em; }
.course-title { font-family: var(--font-serif); font-size: 19px; font-weight: 700; color: var(--ink); line-height: 1.4; margin: 3px 0 10px; }
.course-summary { font-size: 14px; color: var(--muted); line-height: 1.7; margin-bottom: 14px; }
.course-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.course-tags span { font-size: 11.5px; background: var(--surface-2); color: var(--muted); padding: 3px 10px; border-radius: 6px; }

.dir-tree { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 12px; }
.dir-header { font-size: 13px; font-weight: 700; color: var(--brand); margin-bottom: 9px; display: flex; align-items: center; gap: 6px; }
.dir-folder { margin-bottom: 10px; background: var(--surface-2); border-radius: 10px; padding: 11px 14px; }
.folder-title { font-size: 13px; font-weight: 600; color: var(--ink); }
.file-list { list-style: none; margin-top: 7px; }
.file-item {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  font-size: 13px; padding: 6px 0; border-bottom: 1px dashed var(--line);
}
.file-item:last-child { border-bottom: 0; }
.file-name { color: var(--brand); text-decoration: none; font-weight: 500; }
.file-name:hover { text-decoration: underline; }
.file-size { color: var(--faint); font-size: 11.5px; font-variant-numeric: tabular-nums; }

.asg-box { background: var(--brand-tint); border: 1px solid var(--line); border-radius: var(--radius); padding: 13px 15px; margin-top: 14px; }
.asg-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 13.5px; }
.asg-row + .asg-row { margin-top: 9px; padding-top: 9px; border-top: 1px dashed var(--line); }
.asg-title { font-weight: 600; color: var(--brand); }
.due {
  font-size: 11.5px; font-weight: 600; padding: 3px 9px;
  border-radius: 999px; white-space: nowrap; font-variant-numeric: tabular-nums;
}
.due.normal { background: var(--info-bg);   color: var(--info-fg); }
.due.soon   { background: var(--warn-bg);   color: var(--warn-fg); }
.due.over   { background: var(--danger-bg); color: var(--danger-fg); }

.locked-hint {
  border: 1px dashed var(--line-strong); border-radius: var(--radius);
  padding: 16px; margin-top: 12px; text-align: center;
  font-size: 13.5px; color: var(--muted); background: var(--surface-2);
}
.locked-hint .btn { margin-top: 10px; }

.empty-state {
  text-align: center; padding: 54px 24px;
  border: 1px dashed var(--line-strong); border-radius: var(--radius-lg);
  background: var(--surface-2);
}
.empty-state h3 { font-size: 18px; color: var(--brand); margin-bottom: 8px; }
.empty-state p  { font-size: 14.5px; color: var(--muted); max-width: 56ch; margin: 0 auto 16px; }

.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--line) 50%, var(--surface-2) 75%);
  background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: 8px;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* --------------------------------------------------------------------------
   10. Modal
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(9, 14, 22, .62); backdrop-filter: blur(5px);
  display: none; align-items: flex-start; justify-content: center;
  padding: 40px 20px; overflow-y: auto;
}
.modal-overlay.active { display: flex; }
.modal-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); max-width: 980px; width: 100%;
  padding: 30px; box-shadow: var(--shadow-3); position: relative;
  color: var(--ink); margin: auto;
  animation: modalIn .2s ease;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.modal-card.narrow { max-width: 520px; }
.modal-close {
  position: absolute; top: 18px; right: 20px;
  background: var(--surface-2); border: 1px solid var(--line);
  width: 34px; height: 34px; border-radius: 50%;
  font-size: 19px; line-height: 1; cursor: pointer; color: var(--faint);
  display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { color: var(--ink); border-color: var(--line-strong); }
.modal-title {
  font-family: var(--font-serif); font-size: 22px; font-weight: 700;
  color: var(--brand); margin-bottom: 6px; padding-right: 44px;
}
.modal-sub { font-size: 13.5px; color: var(--faint); margin-bottom: 20px; }

/* --------------------------------------------------------------------------
   11. 表單
   -------------------------------------------------------------------------- */
.form-group { margin-bottom: 15px; }
.form-group > label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; color: var(--ink); }
.form-group .help { font-size: 12px; color: var(--faint); font-weight: 400; margin-top: 4px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 9px 13px;
  border: 1px solid var(--line); border-radius: 9px;
  font-family: inherit; font-size: 14px;
  background: var(--card); color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--brand); outline: none;
  box-shadow: 0 0 0 3px var(--brand-tint);
}
.form-group input[aria-invalid="true"] { border-color: var(--danger-fg); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.banner { padding: 11px 15px; border-radius: 9px; font-size: 13.5px; margin-bottom: 15px; display: none; }
.banner.show { display: block; }
.banner.info    { background: var(--info-bg);   color: var(--info-fg); }
.banner.success { background: var(--ok-bg);     color: var(--ok-fg); }
.banner.warn    { background: var(--warn-bg);   color: var(--warn-fg); }
.banner.error   { background: var(--danger-bg); color: var(--danger-fg); }
.banner code { font-family: var(--font-mono); font-size: 12.5px; }

/* --------------------------------------------------------------------------
   12. 管理控制台
   -------------------------------------------------------------------------- */
.admin-tablist {
  display: flex; gap: 4px; border-bottom: 2px solid var(--line);
  margin-bottom: 22px; overflow-x: auto; padding-bottom: 2px;
}
.admin-tablist [role="tab"] {
  padding: 9px 16px; border: 0; background: var(--surface-2);
  font-family: inherit; font-size: 13.5px; font-weight: 600;
  color: var(--muted); cursor: pointer;
  border-radius: 10px 10px 0 0; white-space: nowrap; transition: .15s;
}
.admin-tablist [role="tab"]:hover { color: var(--ink); }
.admin-tablist [role="tab"][aria-selected="true"] { color: var(--on-brand); background: var(--brand); }
.admin-tablist [role="tab"] .mi-badge { margin-left: 6px; }
[role="tabpanel"][hidden] { display: none; }

.panel {
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; margin-bottom: 18px;
}
.panel > h4 {
  font-size: 15px; color: var(--brand); font-weight: 700; margin-bottom: 13px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.panel .hintline { font-size: 12.5px; color: var(--faint); font-weight: 400; line-height: 1.65; margin-bottom: 12px; }

.admin-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin-top: 8px; }
.admin-table th {
  background: var(--card); text-align: left; padding: 9px 10px;
  border-bottom: 2px solid var(--line); color: var(--faint); font-weight: 600;
  font-size: 12px; letter-spacing: .05em; text-transform: uppercase;
}
.admin-table td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.admin-table tr:last-child td { border-bottom: 0; }
.admin-table .actions { display: flex; gap: 6px; flex-wrap: wrap; }
.admin-table .muted-row td { color: var(--faint); text-align: center; padding: 22px 10px; }

#accessCourseList.is-disabled { opacity: .45; pointer-events: none; }

.theme-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px; }
.theme-card {
  border: 2px solid var(--line); border-radius: 11px; padding: 11px;
  cursor: pointer; background: var(--card); text-align: left;
  display: flex; flex-direction: column; gap: 8px;
  font-family: inherit; transition: .15s;
}
.theme-card:hover { border-color: var(--line-strong); }
.theme-card[aria-pressed="true"] { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-tint); }
.theme-swatch { height: 30px; border-radius: 7px; display: flex; overflow: hidden; border: 1px solid var(--line); }
.theme-swatch i { display: block; height: 100%; }
.theme-swatch i:nth-child(1) { flex: 2; }
.theme-swatch i:nth-child(2) { flex: 1; }
.theme-swatch i:nth-child(3) { flex: 1; }
.theme-name { font-size: 13px; font-weight: 600; display: flex; justify-content: space-between; gap: 8px; color: var(--ink); }
.theme-name .on { color: var(--accent); font-size: 12px; }

.kv { font-size: 13.5px; color: var(--muted); line-height: 1.9; }
.kv code {
  font-family: var(--font-mono); font-size: 12.5px;
  background: var(--card); border: 1px solid var(--line);
  padding: 1px 6px; border-radius: 5px; color: var(--ink);
}
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 7px; }
.dot.ok   { background: var(--ok-fg); }
.dot.bad  { background: var(--danger-fg); }
.dot.wait { background: var(--warn-fg); }

/* --------------------------------------------------------------------------
   13. 頁尾與回頂
   -------------------------------------------------------------------------- */
footer { background: var(--surface-2); border-top: 1px solid var(--line); margin-top: 64px; }
footer .wrap {
  max-width: var(--maxw); margin: 0 auto; padding: 26px 28px;
  display: flex; flex-wrap: wrap; gap: 10px 24px;
  justify-content: space-between; align-items: center;
  font-size: 13.5px; color: var(--faint);
}
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--brand); text-decoration: underline; }
footer .admin-entry { font-size: 12.5px; color: var(--faint); background: none; border: 0; cursor: pointer; font-family: inherit; }
footer .admin-entry:hover { color: var(--brand); text-decoration: underline; }

#backTop {
  position: fixed; right: 22px; bottom: 22px;
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--brand); color: var(--on-brand); border: 0;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease; z-index: 90;
  box-shadow: var(--shadow-2);
}
#backTop.show { opacity: 1; pointer-events: auto; transform: none; }
#backTop svg { width: 17px; height: 17px; stroke: currentColor; fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }

/* --------------------------------------------------------------------------
   14. 響應式
   -------------------------------------------------------------------------- */
@media (max-width: 1000px) {
  .sitenav { display: none; }
  .sitenav.open {
    display: flex; flex-direction: column; gap: 2px;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--line);
    padding: 10px 20px 16px; box-shadow: var(--shadow-2);
  }
  .navtoggle { display: inline-flex; }
  .topbar .wrap { position: relative; flex-wrap: wrap; }
  .nav-controls { margin-left: auto; }
}

@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; gap: 26px; }
  .portrait, .portrait-fallback { width: 128px; height: 158px; }
  .cols { grid-template-columns: 1fr; gap: 26px; }
  .form-row { grid-template-columns: 1fr; }
  .course-grid { grid-template-columns: 1fr; }
  main { padding: 0 18px; }
  main.courses { padding: 26px 18px 20px; }
  .hero { padding: 44px 20px 40px; }
  .courses-hero { padding: 36px 20px 32px; }
  .topbar .wrap { padding: 9px 16px; }
  .modal-overlay { padding: 16px 12px; }
  .modal-card { padding: 22px 18px; }
  section { padding: 42px 0 6px; }

  /* 經歷表格 → 卡片，避免橫向溢出 */
  .svc, .svc tbody, .svc tr, .svc td { display: block; width: 100%; }
  .svc thead { display: none; }
  .svc tr {
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 13px 15px; margin-bottom: 10px; background: var(--card);
  }
  .svc td { border: 0; padding: 2px 0; width: auto !important; }
  .svc .c-yr { font-size: 12.5px; margin-bottom: 3px; }
  .svc .c-org { font-size: 15px; }
  .svc .c-role { font-size: 13.5px; margin-top: 3px; }
  .svc .c-role::before { content: "— "; color: var(--faint); }
  .svc tbody tr:hover td { background: transparent; }
  .svc tr.cur { border-left: 3px solid var(--accent); }

  .filter-count { margin-left: 0; width: 100%; }
  .pub-item { grid-template-columns: 1fr; gap: 5px; }
  .pub-kind { justify-self: start; }
}

/* --------------------------------------------------------------------------
   15. 列印
   -------------------------------------------------------------------------- */
@media print {
  .topbar, .hero-actions, .scholar-links, #backTop, footer,
  .modal-overlay, .exp-filters, .navtoggle, .langtoggle, .skip-link { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; line-height: 1.5; }
  .hero { background: #fff !important; color: #000; padding: 0 0 18pt; border-bottom: 2pt solid #000; }
  .hname, .hero .eyebrow, .hrole, .hcontact, .hcontact a { color: #000 !important; }
  .tags span { border-color: #999; color: #000; background: transparent; }
  main { max-width: 100%; padding: 0; }
  section { padding: 14pt 0 0; break-inside: auto; }
  .skh h2 { color: #000; font-size: 13pt; }
  details.exp-past { display: block; }
  details.exp-past .exp-past-body { display: block !important; border: 0; padding: 0; }
  details.exp-past > summary { display: none; }
  .svc { font-size: 9.5pt; }
  .svc tr { break-inside: avoid; }
  .svc td { padding: 4pt 6pt; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 8pt; color: #555; }
}

/* --------------------------------------------------------------------------
   16. 獨立後台頁面 admin.html
   -------------------------------------------------------------------------- */

body.admin-page { background: var(--surface-2); }

/* ---- 登入閘門 ---- */
.admin-login {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px; background: linear-gradient(155deg, var(--hero-from), var(--hero-to));
}
.admin-login[hidden] { display: none; }
.admin-login-card {
  width: 100%; max-width: 400px; background: var(--card);
  border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-3);
}
.login-brand { display: flex; align-items: center; gap: 13px; margin-bottom: 24px; }
.login-brand strong { display: block; font-family: var(--font-serif); font-size: 18px; color: var(--brand); }
.login-brand span { font-size: 12.5px; color: var(--faint); }
.login-mark {
  width: 42px; height: 42px; border-radius: 11px; flex: none;
  background: var(--brand); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-latin); font-size: 24px; font-weight: 600;
}
.login-note { font-size: 12px; color: var(--faint); line-height: 1.75; margin-top: 18px; }
.login-note code { font-family: var(--font-mono); font-size: 11.5px; }
.login-back { margin-top: 14px; font-size: 13px; }
.login-back a { color: var(--muted); text-decoration: none; }
.login-back a:hover { color: var(--brand); text-decoration: underline; }

/* ---- 後台外框 ---- */
.admin-shell { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: 100vh; }
.admin-shell[hidden] { display: none; }

.admin-side {
  background: var(--brand-deep); color: #fff;
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; padding: 18px 14px;
}
.admin-logo {
  display: flex; align-items: center; gap: 11px;
  color: #fff; text-decoration: none; font-weight: 600; font-size: 14.5px;
  padding: 0 6px 18px; margin-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.admin-logo .login-mark { width: 32px; height: 32px; font-size: 18px; background: rgba(255,255,255,.16); }

.admin-menu { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.admin-menu-item {
  appearance: none; border: 0; background: transparent; cursor: pointer;
  font-family: inherit; font-size: 14px; color: rgba(255,255,255,.72);
  text-align: left; padding: 10px 12px; border-radius: 9px;
  display: flex; align-items: center; gap: 10px; transition: .15s;
}
.admin-menu-item:hover { background: rgba(255,255,255,.09); color: #fff; }
.admin-menu-item.is-active { background: rgba(255,255,255,.16); color: #fff; font-weight: 600; }
.admin-menu-item .mi { opacity: .8; font-size: 13px; width: 16px; }
.mi-badge {
  margin-left: auto; background: var(--accent); color: #fff;
  font-size: 11px; font-weight: 700; min-width: 20px; text-align: center;
  padding: 1px 6px; border-radius: 999px;
}
.mi-badge[hidden] { display: none; }

.admin-side-foot { border-top: 1px solid rgba(255,255,255,.14); padding-top: 14px; }
.admin-user { display: flex; align-items: center; gap: 9px; margin-bottom: 10px; padding: 0 4px; }
.au-avatar {
  width: 28px; height: 28px; border-radius: 50%; flex: none;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; text-transform: uppercase;
}
.au-mail { font-size: 11.5px; color: rgba(255,255,255,.72); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-side-foot .btn-quiet { color: rgba(255,255,255,.85); border-color: rgba(255,255,255,.24); }
.admin-side-foot .btn-quiet:hover { color: #fff; border-color: rgba(255,255,255,.5); background: rgba(255,255,255,.08); }
.admin-side-link {
  display: block; text-align: center; margin-top: 10px;
  font-size: 12px; color: rgba(255,255,255,.55); text-decoration: none;
}
.admin-side-link:hover { color: #fff; }

/* ---- 工作區 ---- */
.admin-work { min-width: 0; padding-bottom: 40px; }
.admin-topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--surface-2) 90%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 16px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.admin-topbar h1 { font-family: var(--font-serif); font-size: 21px; color: var(--ink); font-weight: 700; }
.admin-topbar-actions { display: flex; gap: 8px; }

.admin-view { padding: 24px 28px 0; }
.admin-view[hidden] { display: none; }

.split { display: grid; grid-template-columns: minmax(0, 400px) minmax(0, 1fr); gap: 18px; align-items: start; }

.admin-page .panel { background: var(--card); box-shadow: var(--shadow-1); }
.admin-page .panel > h4 { font-size: 15px; }

.inline-select {
  padding: 6px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-family: inherit; font-size: 13px; background: var(--card); color: var(--ink);
}

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow-1);
}
.stat .s-num {
  display: block; font-family: var(--font-serif); font-size: 30px;
  font-weight: 700; color: var(--brand); line-height: 1.2; font-variant-numeric: tabular-nums;
}
.stat .s-lab { display: block; font-size: 12.5px; color: var(--faint); margin-top: 2px; }

.looks-grid.wide { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }

.todo-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px;
}
.todo-item:last-child { border-bottom: 0; }

@media (max-width: 900px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side {
    position: static; height: auto; flex-direction: row;
    align-items: center; gap: 12px; padding: 12px 16px; overflow-x: auto;
  }
  .admin-logo { border: 0; padding: 0; margin: 0; }
  .admin-logo span:not(.login-mark) { display: none; }
  .admin-menu { flex-direction: row; flex: 1; }
  .admin-menu-item { white-space: nowrap; padding: 8px 11px; font-size: 13px; }
  .admin-side-foot { border: 0; padding: 0; display: flex; align-items: center; gap: 8px; }
  .admin-user, .admin-side-link { display: none; }
  .split { grid-template-columns: 1fr; }
  .admin-view { padding: 18px 16px 0; }
  .admin-topbar { padding: 14px 16px; }
}

/* --------------------------------------------------------------------------
   17. 課程專區入口卡片
   -------------------------------------------------------------------------- */

.portal-cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px; margin-top: 26px;
}
.portal-card {
  appearance: none; font-family: inherit; text-align: left; cursor: pointer;
  display: flex; flex-direction: column; gap: 4px; position: relative;
  padding: 20px 46px 20px 20px;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.08);
  border-radius: var(--radius); color: var(--hero-ink);
  text-decoration: none; transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.portal-card:hover {
  background: rgba(255,255,255,.16);
  border-color: rgba(255,255,255,.45);
  transform: translateY(-2px);
}
.portal-card .pc-role {
  font-size: 11.5px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--hero-dim);
}
.portal-card strong { font-size: 17px; color: #fff; font-weight: 700; }
.portal-card .pc-desc { font-size: 13px; color: var(--hero-dim); line-height: 1.65; margin-top: 3px; }
.portal-card .pc-go {
  position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  font-size: 20px; color: var(--hero-dim); transition: transform .18s ease, color .18s ease;
}
.portal-card:hover .pc-go { color: #fff; transform: translateY(-50%) translateX(4px); }

/* 已登入且已核准時，入口卡片就不必再佔版面 */
body.has-access .portal-cards { display: none; }

/* --------------------------------------------------------------------------
   18. 拖拉上傳
   -------------------------------------------------------------------------- */

.dropzone {
  border: 2px dashed var(--line-strong); border-radius: var(--radius);
  background: var(--card); cursor: pointer;
  padding: 30px 20px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.dropzone:hover { border-color: var(--brand); background: var(--brand-tint); }
.dropzone.is-over {
  border-color: var(--accent); background: var(--accent-tint);
  transform: scale(1.01);
}
.dropzone .dz-icon {
  font-size: 26px; color: var(--brand);
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--brand-tint);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 6px;
}
.dropzone strong { font-size: 15px; color: var(--ink); }
.dropzone .dz-sub  { font-size: 13px; color: var(--muted); }
.dropzone .dz-hint { font-size: 12px; color: var(--faint); margin-top: 4px; }

.upload-list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.upload-list:empty { display: none; }

.up-item {
  border: 1px solid var(--line); border-radius: 10px;
  padding: 11px 13px; background: var(--card); font-size: 13px;
}
.up-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.up-name { font-weight: 600; color: var(--ink); word-break: break-all; }
.up-size { font-size: 11.5px; color: var(--faint); white-space: nowrap; font-variant-numeric: tabular-nums; }
.up-tag { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.up-tag.warn { background: var(--warn-bg); color: var(--warn-fg); }

.up-bar {
  height: 5px; border-radius: 3px; background: var(--surface-2);
  overflow: hidden; margin: 8px 0 5px;
}
.up-bar i {
  display: block; height: 100%; width: 0;
  background: var(--brand); border-radius: 3px;
  transition: width .25s ease;
}
.up-msg { font-size: 12px; color: var(--muted); }

.up-item.is-ok  { border-color: var(--ok-fg); }
.up-item.is-ok  .up-bar i { background: var(--ok-fg); }
.up-item.is-ok  .up-msg { color: var(--ok-fg); font-weight: 600; }
.up-item.is-bad { border-color: var(--danger-fg); }
.up-item.is-bad .up-bar i { background: var(--danger-fg); }
.up-item.is-bad .up-msg { color: var(--danger-fg); }

.up-item.is-block { border-color: var(--warn-fg); background: var(--warn-bg); }
.up-guide { margin-top: 10px; font-size: 13px; color: var(--warn-fg); }
.up-guide strong { display: block; font-size: 14px; margin-bottom: 5px; }
.up-guide p { line-height: 1.7; margin-bottom: 8px; opacity: .92; }
.up-guide ol { padding-left: 20px; line-height: 1.9; }
.up-guide li { font-weight: 600; }
.up-guide-alt { font-size: 12px; opacity: .8; margin: 6px 0 0 !important; }

.manual-add { margin-top: 14px; }
.manual-add > summary {
  cursor: pointer; font-size: 13px; color: var(--muted);
  padding: 8px 0; list-style: none;
  display: flex; align-items: center; gap: 6px;
}
.manual-add > summary::-webkit-details-marker { display: none; }
.manual-add > summary::before { content: "＋"; color: var(--faint); }
.manual-add[open] > summary::before { content: "－"; }
.manual-add > summary:hover { color: var(--brand); }
.manual-body { padding-top: 8px; border-top: 1px solid var(--line); }

/* --------------------------------------------------------------------------
   19. 講義拖曳排序
   -------------------------------------------------------------------------- */

.mat-table .col-drag { width: 54px; }
.mat-table tbody tr { cursor: default; }
.mat-table tbody tr[draggable="true"] { transition: background .12s ease, opacity .12s ease; }
.mat-table tbody tr[draggable="true"]:hover { background: var(--surface-2); }
.mat-table tbody tr.is-dragging {
  opacity: .35;
  background: var(--brand-tint);
}

.col-drag { display: flex; align-items: center; gap: 4px; }
.drag-handle {
  cursor: grab; font-size: 16px; line-height: 1; color: var(--faint);
  padding: 4px 2px; user-select: none; touch-action: none;
}
.drag-handle:active { cursor: grabbing; }
tr:hover .drag-handle { color: var(--muted); }

.reorder-btns { display: flex; flex-direction: column; gap: 1px; }
.reorder-btn {
  appearance: none; border: 1px solid var(--line); background: var(--card);
  color: var(--faint); font-size: 8px; line-height: 1;
  width: 18px; height: 14px; padding: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.reorder-btn:first-child { border-radius: 4px 4px 0 0; }
.reorder-btn:last-child  { border-radius: 0 0 4px 4px; margin-top: -1px; }
.reorder-btn:hover { color: var(--brand); border-color: var(--line-strong); background: var(--surface-2); }