/* course-module — academic, warm paper, scaled up for 1920×1080 投影(整體放大版) */
.tpl-course-module{
  --bg:#fbfaf6;--bg-soft:#f4f1e8;--surface:#ffffff;--surface-2:#f6f3ea;
  --border:rgba(60,45,20,.12);--border-strong:rgba(60,45,20,.22);
  --text-1:#2a2418;--text-2:#564d3c;--text-3:#857a64;
  --accent:#2d7d6e;--accent-2:#cf8330;--accent-3:#c4593f;
  --grad:linear-gradient(135deg,#2d7d6e,#4ea893);
  --radius:18px;--radius-lg:24px;
  --shadow:0 1px 2px rgba(60,45,20,.05),0 16px 34px -16px rgba(60,45,20,.15);
  font-family:'Inter','Noto Sans TC','Noto Sans SC',sans-serif;
}
.tpl-course-module .slide{
  padding:56px 96px 68px;
  background:
    radial-gradient(135% 95% at 90% -10%, #ffffff 0%, rgba(255,255,255,0) 48%),
    var(--bg);
  display:grid;grid-template-columns:320px 1fr;gap:64px;align-content:stretch;
}
.tpl-course-module .slide.full{grid-template-columns:1fr;display:flex;flex-direction:column;justify-content:center;padding:80px 128px}

/* === 垂直版面(全頁統一,間距一致) ===
   標題永遠靠頂;內容組緊接在標題下方(固定 38px gap,不用 auto 把內容推到中間造成大空隙);
   內容由上往下流。靠整體放大讓內容自然吃滿,不靠置中或撐高。 */
.tpl-course-module .main{min-width:0;align-self:stretch;max-width:1340px;display:flex;flex-direction:column}
.tpl-course-module .main>.h2+:not(.lede),.tpl-course-module .main>.lede+*{margin-top:38px!important}
.tpl-course-module .main>.grid:not(.g4)>.concept-box{min-height:380px;display:flex;flex-direction:column}
/* stack 卡是列表項,字級/padding 收小,讓 P47 五卡+結論框在放大版下塞得下 */
.tpl-course-module .main:has(.stack)>.stack>.concept-box{padding:15px 30px}
.tpl-course-module .main:has(.stack)>.stack>.concept-box h4{font-size:23px;margin-bottom:6px}
.tpl-course-module .main:has(.stack)>.stack>.concept-box .dim,.tpl-course-module .main:has(.stack)>.stack>.concept-box>p{font-size:18px;line-height:1.5}
.tpl-course-module .mt-s{margin-top:12px}
.tpl-course-module .mt-m{margin-top:28px}
.tpl-course-module .mt-l{margin-top:44px}

/* ---------- sidebar (五段進度導覽,放大) ---------- */
.tpl-course-module .sidebar{border-right:1px solid var(--border);padding-right:44px;position:relative}
.tpl-course-module .sidebar .brand{font-family:'Playfair Display','Noto Serif TC','Noto Serif SC',serif;font-size:34px;font-weight:700;color:var(--accent);letter-spacing:.005em}
.tpl-course-module .sidebar .brand::before{content:"✦ ";color:var(--accent-2)}
.tpl-course-module .sidebar h5{font-size:15px;font-weight:700;text-transform:uppercase;letter-spacing:.16em;color:var(--text-3);margin:40px 0 16px}
.tpl-course-module .obj-list{list-style:none;padding:0;margin:0;font-size:24px;color:var(--text-2);line-height:1.5}
.tpl-course-module .obj-list li{padding:14px 0 14px 30px;position:relative;border-bottom:1px dashed var(--border);cursor:pointer;transition:color .15s}
.tpl-course-module .obj-list li:hover{color:var(--accent-2)}
.tpl-course-module .obj-list li::before{content:"○";position:absolute;left:0;top:16px;color:var(--accent);font-size:15px}
.tpl-course-module .obj-list li.done::before{content:"●";color:var(--accent)}
.tpl-course-module .obj-list li.current{color:var(--text-1);font-weight:800;font-size:24px}
.tpl-course-module .obj-list li.current::before{content:"▸";color:var(--accent-2);font-weight:700;font-size:16px;top:15px}
.tpl-course-module .sidebar .dim{font-size:21px!important;color:var(--text-2);font-weight:600;line-height:1.5}

/* ---------- main typography (整體放大 ~1.35×) ---------- */
.tpl-course-module .h1{font-family:'Playfair Display','Noto Serif TC','Noto Serif SC',serif;font-size:96px;line-height:1.02;font-weight:800;letter-spacing:-.02em;color:var(--text-1)}
.tpl-course-module .h2{font-family:'Playfair Display','Noto Serif TC','Noto Serif SC',serif;font-size:82px;line-height:1.05;font-weight:700;letter-spacing:-.015em;color:var(--text-1);margin:0}
.tpl-course-module h3,.tpl-course-module h4{color:var(--text-1)}
.tpl-course-module .kicker{display:inline-flex;align-items:center;gap:13px;color:var(--accent-2);font-size:18px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
.tpl-course-module .kicker::before{content:"";width:38px;height:3px;background:var(--accent-2);border-radius:2px}
.tpl-course-module .lede{font-size:37px;color:var(--text-2);line-height:1.55}

/* ---------- cards & blocks (放大) ---------- */
.tpl-course-module .grid{gap:32px}
.tpl-course-module .callout{border-left:5px solid var(--accent-2);background:linear-gradient(90deg,var(--surface-2),rgba(246,243,234,.35));padding:28px 36px;border-radius:0 var(--radius) var(--radius) 0;font-size:30px;line-height:1.55}
.tpl-course-module .callout b,.tpl-course-module .callout strong{color:var(--accent-2)}
.tpl-course-module .concept-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:30px 36px;box-shadow:var(--shadow)}
.tpl-course-module .concept-box h4{margin:0 0 14px;color:var(--accent);font-size:34px;line-height:1.25}
.tpl-course-module .concept-box .dim,.tpl-course-module .concept-box>p{font-size:27px;line-height:1.55}
.tpl-course-module .card-soft{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:22px 30px;font-size:27px;color:var(--text-2)}
.tpl-course-module .exercise{background:#fff8ed;border:1.5px dashed var(--accent-2);border-radius:var(--radius);padding:30px 38px;font-size:25px;line-height:1.55}
.tpl-course-module .exercise::before{content:"✎ Exercise";display:block;font-size:16px;font-weight:700;letter-spacing:.14em;color:var(--accent-2);margin-bottom:14px;text-transform:uppercase}
.tpl-course-module .code{background:#26211a;color:#f4f1e8;border-radius:var(--radius);padding:28px 34px;font-family:'JetBrains Mono',monospace;font-size:23px;line-height:1.68;overflow:auto;box-shadow:0 18px 40px -16px rgba(60,45,20,.28)}
.tpl-course-module .code .cmt{color:#9a8f78;font-style:italic}
.tpl-course-module .code .kw{color:#e8a770}
.tpl-course-module .code .str{color:#8ec6b2}
.tpl-course-module .mcq{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px 30px;margin-bottom:16px;display:flex;gap:20px;align-items:flex-start;font-size:25px}
.tpl-course-module .mcq .letter{flex:none;width:40px;height:40px;border-radius:50%;border:2px solid var(--text-3);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:19px;color:var(--text-2)}
.tpl-course-module .mcq.correct{border-color:var(--accent);background:rgba(45,125,110,.06)}
.tpl-course-module .mcq.correct .letter{border-color:var(--accent);background:var(--accent);color:#fff}
.tpl-course-module .pill-academic{display:inline-block;padding:8px 16px;border-radius:6px;background:var(--surface-2);border:1px solid var(--border);font-size:17px;color:var(--text-2);font-family:'JetBrains Mono',monospace}

.tpl-course-module .slide.full .h1{font-size:112px}
.tpl-course-module .deck-footer{color:var(--text-3);font-size:16px}

/* 跨章導覽（runtime.js 注入；右上角固定，連回總覽 + 上一節/下一節） */
.tpl-course-module .deck-nav{position:fixed;top:14px;right:18px;z-index:60;display:flex;gap:8px;align-items:center}
.tpl-course-module .deck-nav-btn{font-family:'Inter','Noto Sans TC',sans-serif;font-size:13px;font-weight:600;line-height:1;color:var(--text-2);background:rgba(255,255,255,.8);border:1px solid var(--border);border-radius:999px;padding:6px 13px;text-decoration:none;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:color .15s,border-color .15s,background .15s;white-space:nowrap}
.tpl-course-module .deck-nav-btn:hover{color:var(--accent);border-color:var(--accent);background:#fff}
.tpl-course-module .deck-nav-btn.is-disabled{opacity:.32;cursor:default}

/* 側欄收縮按鈕（左上角）+ 收起後的版面 */
.tpl-course-module .sidebar-toggle{position:fixed;top:14px;left:18px;z-index:60;font-family:'Inter','Noto Sans TC',sans-serif;font-size:13px;font-weight:600;line-height:1;color:var(--text-2);background:rgba(255,255,255,.8);border:1px solid var(--border);border-radius:999px;padding:6px 13px;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:color .15s,border-color .15s,background .15s}
.tpl-course-module .sidebar-toggle:hover{color:var(--accent);border-color:var(--accent);background:#fff}
.tpl-course-module.sidebar-collapsed .slide:not(.full){grid-template-columns:1fr}
.tpl-course-module.sidebar-collapsed .slide .sidebar{display:none}
.tpl-course-module.sidebar-collapsed .main{margin-left:auto;margin-right:auto}