/* APPA 色票：沿用招生網站 site-v5.css；入口與各份學生樣式由同一來源產製。 */
:root {
  --night: #160e2c;
  --navy: #231146;
  --violet: #6633ff;
  --lime: #caff33;
  --muted: #c3bed2;
  --lavender: #e7deff;
  --white: #ffffff;
  --line: #ffffff26;
}

/* 原樣沿用招生網站兩張 4×2 動作圖集，僅以 CSS 顯示對應格；不改像素。 */
.appa-visual { --pose-x: 0%; --pose-y: 0%; display: block; position: relative; width: 150px; max-width: 100%; aspect-ratio: 3 / 4; flex-shrink: 0; }
.appa-art { display: block; position: absolute; inset: 0; background-image: url("assets/appa-poses-a.png"); background-size: 400% 200%; background-position: var(--pose-x) var(--pose-y); background-repeat: no-repeat; animation: appa-float 6s ease-in-out infinite; pointer-events: none; clip-path: inset(2% 2% 0); }
.pose-welcome { --pose-x: 0%; --pose-y: 0%; }
.pose-code { --pose-x: 100%; --pose-y: 100%; }
.pose-dialogue { --pose-x: 33.333333%; --pose-y: 100%; }
.pose-inspect { --pose-x: 66.666667%; --pose-y: 100%; }
.pose-verify { --pose-x: 33.333333%; --pose-y: 100%; }
.pose-verify .appa-art, .pose-encourage .appa-art { background-image: url("assets/appa-poses-b.png"); }
.pose-encourage { --pose-x: 33.333333%; --pose-y: 0%; }
.pose-guide { --pose-x: 0%; --pose-y: 100%; }
@keyframes appa-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@media (prefers-reduced-motion: reduce) { .appa-art { animation: none; } }

* { box-sizing: border-box; }
html { scroll-padding-top: 24px; scrollbar-color: var(--violet) var(--night); }
body { margin: 0; color: var(--white); background: var(--night); font: 17px/1.85 system-ui, -apple-system, "PingFang TC", "Microsoft JhengHei", sans-serif; }
::selection { background: var(--lime); color: var(--navy); }
a { color: var(--lime); text-underline-offset: 5px; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
a, button, summary, select, input { touch-action: manipulation; }
a:focus-visible, button:focus-visible, summary:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible, pre:focus-visible { outline: 3px solid var(--lime); outline-offset: 5px; }
button, select, textarea { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
.wrap { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.skip { position: absolute; left: 16px; top: -100px; padding: 12px; color: var(--navy); background: var(--lime); z-index: 5; }
.skip:focus { top: 12px; }
.site-header { border-top: 4px solid var(--lime); }
.header-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.brand { color: var(--white); font-size: 20px; line-height: 1.5; font-weight: 800; text-decoration: none; }
.brand small { display: block; font-size: 13px; font-weight: 400; margin-top: 4px; color: var(--muted); }
.header-row nav { display: flex; flex-wrap: wrap; gap: 14px 24px; }
.header-row nav a { color: var(--white); padding-block: 8px; font-size: 15px; }
h1, h2, h3, h4 { line-height: 1.4; overflow-wrap: anywhere; margin: 0; }
h1 { font-size: clamp(34px, 4.3vw, 56px); letter-spacing: -.025em; }
h2 { font-size: clamp(26px, 3vw, 36px); letter-spacing: -.02em; }
h3 { font-size: 22px; margin: 30px 0 12px; }
h4 { font-size: 18px; margin: 0 0 8px; }
p { max-width: 72ch; margin: 0 0 18px; }
.hero { display: grid; grid-template-columns: 1.35fr .65fr; gap: 56px; align-items: center; padding-block: 56px; }
.hero h1 span { color: var(--lime); }
.hero p { color: var(--muted); margin-top: 24px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; margin-top: 28px; }
.hero .appa-visual { width: 260px; margin-inline: auto; }
.hero figure { margin: 0; padding: 24px; background: var(--violet); border-radius: 16px; min-width: 0; }
.hero figcaption { margin-top: 20px; font-size: 14px; text-align: center; }
.button { display: inline-block; padding: 12px 22px; border-radius: 8px; border: 0; font-weight: 750; font-size: 16px; text-decoration: none; text-align: center; min-height: 48px; }
.primary { background: var(--lime); color: var(--navy); }
.primary:hover { background: var(--white); }
.secondary { color: var(--white); background: var(--navy); }
.resume { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; padding: 20px 24px; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 40px; }
.resume p { margin: 0; color: var(--muted); }
.preparation { color: var(--navy); background: var(--lavender); padding: 40px; border-radius: 16px; }
.preparation a { color: var(--navy); }
.preparation a:focus-visible { outline-color: var(--violet); }
.preparation h2 { margin-bottom: 16px; }
.prep-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; margin-block: 24px; }
.prep-list h3 { margin-top: 0; font-size: 20px; }
.prep-list p { margin: 0; }
.lesson-list { padding-block: 52px; }
.lesson-list > h2 { margin-bottom: 24px; }
.lesson-row { display: grid; grid-template-columns: 125px minmax(0, 1fr) auto; gap: 28px; align-items: center; padding-block: 32px; border-top: 1px solid var(--line); }
.lesson-row .appa-visual { width: 120px; }
.lesson-row h3 { margin: 0 0 12px; font-size: 28px; }
.lesson-row p { color: var(--muted); }
.lesson-meta { font-size: 14px; color: var(--muted); }
.site-footer { padding-block: 36px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.site-footer p { margin: 0; }
.lesson-hero { display: flex; gap: 32px; align-items: center; padding-block: 44px; }
.lesson-hero > div { min-width: 0; }
.lesson-hero h1 { font-size: clamp(30px, 3.6vw, 46px); }
.lesson-hero p { color: var(--muted); margin: 16px 0 0; }
.lesson-hero .appa-visual { width: 150px; }
.learning-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 48px; align-items: start; padding-bottom: 48px; }
.lesson-sidebar { position: sticky; top: 24px; padding-bottom: 24px; }
.lesson-sidebar .progress-count { color: var(--lime); font-size: 18px; font-weight: 700; }
.progress-help { color: var(--muted); font-size: 13px; margin-top: 8px; }
.lesson-sidebar nav { margin-top: 24px; }
.round-label { color: var(--muted); font-size: 13px; margin: 24px 0 8px; }
.step-nav a { display: flex; gap: 10px; align-items: baseline; padding-block: 10px; text-decoration: none; color: var(--muted); font-size: 15px; border-bottom: 1px solid var(--line); }
.step-nav a[aria-current="step"] { color: var(--white); font-weight: 750; }
.step-nav a.is-done { color: var(--lime); }
.nav-number { font-variant-numeric: tabular-nums; min-width: 18px; }
.reset-progress { background: transparent; color: var(--muted); font-size: 14px; border: 0; text-decoration: underline; text-underline-offset: 4px; padding: 12px 0; margin-top: 16px; }
.storage-status { color: var(--muted); font-size: 13px; min-height: 24px; }
.mobile-jump { display: none; }
.flow { min-width: 0; }
.step { padding: 36px; border-radius: 16px; margin-bottom: 32px; min-width: 0; scroll-margin-top: 24px; }
.step.theory { color: var(--navy); background: var(--lavender); }
.step.practice { background: var(--navy); }
.step-heading { display: flex; align-items: center; gap: 20px; margin-bottom: 24px; }
.step-heading > div { min-width: 0; }
.step-heading .appa-visual { width: 95px; }
.step-heading h2 { font-size: clamp(24px, 2.8vw, 30px); }
.step-time { display: block; margin-bottom: 8px; font-size: 14px; color: var(--muted); }
.theory .step-time { color: var(--navy); }
.step-goal { font-size: 19px; margin-bottom: 24px; font-weight: 600; }
.step h3 { font-size: 20px; }
.step li { margin-bottom: 12px; }
ul, ol { margin: 16px 0 24px; padding-left: 24px; }
.prepare-list { display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 0; list-style-position: inside; font-size: 15px; }
.prepare-list li { margin-bottom: 0; }
.practice .prepare-list { color: var(--muted); }
.theory a { color: var(--navy); }
.theory a:focus-visible, .theory button:focus-visible, .theory input:focus-visible { outline-color: var(--violet); }
.theory .button.primary { color: var(--navy); background: var(--white); }
code { font: .9em/1.8 ui-monospace, SFMono-Regular, Consolas, monospace; overflow-wrap: anywhere; }
p code, li code { padding: 2px 5px; border-radius: 4px; background: var(--night); color: var(--white); }
pre { white-space: pre-wrap; overflow-wrap: anywhere; max-width: 100%; margin: 20px 0; }
.file-tree, .theory pre { padding: 20px; color: var(--navy); background: #ffffff80; border-radius: 12px; font: 14px/1.9 ui-monospace, SFMono-Regular, Consolas, monospace; }
.concept-pair, .before-after { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-block: 24px; }
.concept-pair h3, .before-after h3 { margin-top: 0; }
.concept-pair p:last-child, .before-after p:last-child { margin-bottom: 0; }
.resource-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; margin-block: 24px; }
.actions { padding-left: 28px; }
.actions li { padding-left: 4px; margin-bottom: 16px; }
.prompt-panel { margin-block: 32px; background: var(--night); padding: 24px; border-radius: 12px; }
.prompt-panel summary { cursor: pointer; font-size: 18px; font-weight: 750; padding-block: 8px; }
.prompt-panel pre { color: var(--muted); font-size: 15px; margin-top: 16px; }
.prompt-panel .copy-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 20px; }
.copy-status { font-size: 14px; min-height: 26px; margin: 12px 0 0; color: var(--muted); }
.copy-source { min-width: 0; }
.expected { margin-block: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.expected h3 { margin-top: 0; }
.expected ul { margin-bottom: 12px; }
.result-links { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 20px; }
.completion { padding-top: 24px; border-top: 1px solid var(--line); }
.theory .completion { border-color: #23114633; }
.completion label { display: flex; align-items: flex-start; gap: 12px; cursor: pointer; font-weight: 700; min-height: 44px; }
.completion input { accent-color: var(--violet); width: 22px; height: 22px; flex-shrink: 0; margin: 5px 0 0; }
.completion .next-step { display: inline-block; margin: 16px 0 0 34px; }
.record { padding: 36px; border: 1px solid var(--line); border-radius: 16px; margin-block: 32px; }
.record label { display: block; font-size: 19px; font-weight: 700; margin-block: 20px 12px; }
.record textarea { display: block; width: 100%; min-height: 260px; padding: 20px; border: 1px solid var(--muted); border-radius: 8px; resize: vertical; color: var(--navy); background: var(--lavender); font-size: 16px; line-height: 1.8; caret-color: var(--violet); }
.record textarea::placeholder { color: #584975; opacity: 1; }
.record textarea:focus-visible { outline-color: var(--violet); }
.record .resource-row { margin-bottom: 0; }
.extra-practice { margin-block: 32px; padding-block: 24px; border-top: 1px solid var(--line); }
.end-guide { display: flex; align-items: center; gap: 24px; margin-block: 40px; }
.end-guide .appa-visual { width: 125px; }
.end-guide h2 { margin-bottom: 16px; font-size: 28px; }
.end-guide > div { min-width: 0; }
.guide-main { overflow-wrap:anywhere; max-width: 850px; margin-inline: auto; padding-block: 36px; }
.guide-main > :first-child { margin-top: 0; }
.guide-main h2 { margin: 40px 0 20px; font-size: 27px; }
.guide-main h3 { margin: 32px 0 16px; }
.guide-main pre { color: var(--navy); background: var(--lavender); padding: 24px; border-radius: 12px; }
.guide-main .guide-copy { margin-bottom: 28px; }
@media (max-width: 1000px) {
 .learning-layout { grid-template-columns: 185px minmax(0, 1fr); gap: 24px; }
 .step { padding: 28px; }
 .hero { gap: 32px; }
 .lesson-row { grid-template-columns: 100px minmax(0,1fr); }
 .lesson-row > .button { grid-column: 2; justify-self: start; }
 .lesson-row .appa-visual { width: 100px; }
}
@media (max-width: 799px) {
 html { scroll-padding-top: 124px; }
 .wrap { width: calc(100% - 32px); }
 .header-row { padding-block: 20px; }
 .header-row nav { gap: 12px 20px; }
 .hero { grid-template-columns: minmax(0,1fr); padding-block: 36px; gap: 28px; }
 .hero .appa-visual { width: 180px; }
 .preparation { padding: 28px 24px; }
 .prep-list { grid-template-columns: minmax(0,1fr); gap: 24px; }
 .lesson-list { padding-block: 36px; }
 .lesson-row { grid-template-columns: 80px minmax(0,1fr); gap: 16px; }
 .lesson-row .appa-visual { width: 80px; }
 .lesson-row h3 { font-size: 25px; }
 .lesson-hero { gap: 18px; padding-block: 32px; }
 .lesson-hero .appa-visual { width: 95px; }
 .learning-layout { display: block; }
 .lesson-sidebar { display: none; }
 .mobile-jump { display: flex; flex-direction: column; align-items: stretch; gap: 8px; position: sticky; top: 0; z-index: 3; padding: 12px 16px; margin: 0 -16px 24px; background: var(--night); border-bottom: 1px solid var(--line); font-size: 14px; }
 .mobile-jump label { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-width: 0; }
 .mobile-jump select { max-width: 150px; min-height: 44px; color: var(--white); background: var(--navy); border: 1px solid var(--muted); border-radius: 6px; padding: 8px; }
 .mobile-jump .progress-count { font-size: 13px; white-space: nowrap; }
 .step { padding: 28px 22px; scroll-margin-top: 0; margin-bottom: 24px; }
 .step-heading { align-items: flex-start; gap: 14px; }
 .step-heading .appa-visual { width: 65px; }
 .step-heading h2 { font-size: 24px; }
 .step-goal { font-size: 18px; }
 .concept-pair, .before-after { grid-template-columns: minmax(0,1fr); gap: 20px; }
 .prompt-panel { padding: 20px 16px; margin-inline: -6px; }
 .prompt-panel pre { font-size: 14px; }
 .file-tree, .theory pre { padding: 16px; }
 .record { padding: 28px 22px; }
 .record textarea { padding: 16px; }
 .end-guide { gap: 16px; }
 .end-guide .appa-visual { width: 85px; }
 .end-guide h2 { font-size: 25px; }
 .guide-main h2 { font-size: 25px; }
}
@media (prefers-reduced-motion: reduce) { .appa-art { animation: none; } }
/* APPA mission map and first quest: same brand, one task at a time. */
.map-hero { display:grid; grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr); align-items:center; gap:48px; padding-block:52px 40px; }
.map-hero h1 { font-size:clamp(36px,4.5vw,60px); }
.map-hero h1 span { color:var(--lime); }
.map-hero p { margin-top:24px; color:var(--muted); max-width:42ch; }
.map-hero figure { margin:0; text-align:center; }
.map-hero .appa-visual { width:245px; margin-inline:auto; }
.map-hero figcaption { font-size:14px; color:var(--muted); margin-top:16px; }
.map-heading { padding-block:32px 24px; }
.map-heading p { color:var(--muted); margin-top:12px; }
.mission-chapter { padding:32px 0 40px; border-top:1px solid var(--line); }
.chapter-heading { display:flex; align-items:start; justify-content:space-between; gap:24px; }
.chapter-heading h2 { font-size:28px; }
.chapter-heading p { color:var(--muted); margin:12px 0 0; }
.chapter-count { color:var(--lime); white-space:nowrap; font-size:15px; padding-top:8px; }
.quest-route { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); list-style:none; padding:0; margin:32px 0 20px; gap:24px; }
.quest-route li { min-width:0; }
.quest-node { display:grid; grid-template-columns:48px minmax(0,1fr); gap:20px 14px; color:var(--white); text-decoration:none; padding:20px 8px 24px 0; border-top:1px solid var(--line); position:relative; min-height:200px; }
.quest-number { display:grid; place-items:center; width:48px; height:48px; border-radius:50%; background:var(--navy); border:1px solid var(--muted); font-weight:750; font-size:18px; font-variant-numeric:tabular-nums; }
.quest-node h3 { margin:6px 0 12px; font-size:21px; }
.quest-node p { color:var(--muted); font-size:15px; margin-bottom:14px; }
.quest-state { display:block; font-size:14px; color:var(--muted); }
.quest-enter { grid-column:2; color:var(--lime); font-size:24px; line-height:1; }
.quest-node:hover h3 { text-decoration:underline; text-underline-offset:6px; }
.quest-node.is-done .quest-number { background:var(--lime); border-color:var(--lime); color:var(--navy); }
.quest-node.is-done .quest-state { color:var(--lime); }
.quest-node.is-started .quest-number { border-color:var(--lime); }
.quest-node.is-started .quest-state { color:var(--white); }
.chapter-foot { color:var(--muted); font-size:14px; display:flex; flex-wrap:wrap; gap:12px 24px; margin:0; }
#prepare { margin-block:24px 56px; }
.preparation .storage-status { color:var(--navy); margin-top:24px; }
.quest-intro { display:flex; align-items:end; justify-content:space-between; gap:24px; padding-block:36px; }
.quest-intro h1 { margin:20px 0 12px; font-size:clamp(32px,4vw,48px); }
.quest-intro > a { font-size:14px; margin-bottom:14px; }
.quest-meta { margin:0; color:var(--muted); font-size:15px; }
.quest-layout { display:grid; grid-template-columns:210px minmax(0,1fr); align-items:start; gap:48px; padding-bottom:48px; }
.quest-sidebar { position:sticky; top:24px; }
.quest-sidebar h2 { font-size:20px; margin:0 0 20px; }
.quest-sidebar nav a { display:flex; align-items:baseline; gap:12px; padding-block:16px; color:var(--muted); text-decoration:none; border-bottom:1px solid var(--line); font-size:15px; }
.quest-sidebar nav a[aria-current] { color:var(--lime); font-weight:700; }
.quest-sidebar nav span { font-variant-numeric:tabular-nums; }
.quest-sidebar > p { margin-top:20px; }
.quest-reading { min-width:0; }
.quest-brief { background:var(--violet); display:flex; align-items:center; gap:24px; padding:28px; margin-bottom:32px; border-radius:16px; }
.quest-brief .appa-visual { width:140px; }
.quest-brief h2 { font-size:27px; margin-bottom:16px; }
.quest-brief p { margin-bottom:12px; }
.quest-brief p:last-child { margin-bottom:0; }
.quest-reward { font-size:15px; font-weight:650; color:var(--white); }
.quest-quiz { margin-block:32px 24px; border-top:1px solid #23114633; padding-top:28px; }
.quest-quiz fieldset { border:0; padding:0; margin:0 0 20px; min-width:0; }
.quest-quiz legend { font-size:20px; font-weight:750; margin-bottom:16px; }
.quest-quiz label { display:flex; align-items:start; gap:12px; padding:12px 0; cursor:pointer; }
.quest-quiz input { accent-color:var(--violet); width:20px; height:20px; flex-shrink:0; margin-top:6px; }
.quest-quiz input:focus-visible { outline-color:var(--violet); }
.quest-quiz .quiz-feedback { min-height:60px; margin:18px 0 0; font-size:16px; }
.quest-quiz .quiz-feedback[data-correct="true"] { font-weight:700; }
.quest-help { margin-block:32px; }
.quest-hint { padding-block:16px; border-top:1px solid var(--line); }
.quest-hint summary { cursor:pointer; padding-block:8px; font-weight:650; }
.quest-hint p { margin:16px 0 0; }
.quest-hint a { display:inline-block; margin-top:16px; }
.check-note { margin:12px 0 0 34px; font-size:14px; color:var(--muted); }
.theory .check-note { color:var(--navy); }
.quest-finish { display:flex; align-items:center; gap:24px; padding:28px 0; }
.quest-finish .appa-visual { width:140px; }
.quest-finish h2 { font-size:29px; margin-bottom:16px; }
.quest-finish.is-confirmed h2 { color:var(--lime); }
.quest-finish .quest-disclaimer { font-size:13px; color:var(--muted); margin-top:20px; }
.quest-mobile-status { display:none; }
@media (max-width:1000px) {
 .quest-layout { grid-template-columns:180px minmax(0,1fr); gap:24px; }
 .quest-brief { gap:18px; padding:24px; }
 .quest-brief .appa-visual { width:100px; }
}
@media (max-width:799px) {
 .map-hero { grid-template-columns:minmax(0,1fr); gap:24px; padding-block:32px; }
 .map-hero .appa-visual { width:180px; }
 .map-hero figure { display:flex; align-items:center; gap:16px; text-align:left; }
 .map-hero figcaption { margin:0; max-width:14ch; }
 .chapter-heading { display:block; }
 .chapter-count { display:block; margin-top:16px; }
 .chapter-heading h2 { font-size:25px; }
 .quest-route { grid-template-columns:minmax(0,1fr); gap:0; margin-top:24px; }
 .quest-node { grid-template-columns:44px minmax(0,1fr) 20px; gap:16px; min-height:0; padding:24px 0; }
 .quest-number { width:44px; height:44px; }
 .quest-node h3 { font-size:21px; margin-top:3px; }
 .quest-enter { grid-column:3; grid-row:1; align-self:center; }
 .quest-intro { display:block; padding-block:28px; }
 .quest-intro > a { display:inline-block; margin:20px 0 0; }
 .quest-intro h1 { margin-top:16px; }
 .quest-layout { display:block; }
 .quest-sidebar { display:none; }
 .quest-mobile-status { display:flex; flex-wrap:wrap; justify-content:space-between; gap:8px 16px; position:sticky; top:0; z-index:3; background:var(--night); border-bottom:1px solid var(--line); padding:16px; margin:0 -16px 24px; font-size:14px; }
 .quest-mobile-status span:first-child { color:var(--lime); font-weight:750; }
 .quest-brief { align-items:start; gap:14px; padding:24px 20px; }
 .quest-brief .appa-visual { width:72px; }
 .quest-brief h2 { font-size:23px; }
 .quest-brief p { font-size:16px; }
 .quest-quiz legend { font-size:19px; }
 .quest-finish { align-items:start; gap:16px; }
 .quest-finish .appa-visual { width:85px; }
 .quest-finish h2 { font-size:25px; }
 .quest-finish .button { padding-inline:16px; }
}
/* Each complete prompt keeps its own visible, task-specific usage instructions. */
.prompt-workflow { margin-block:36px; padding-top:28px; border-top:1px solid var(--line); min-width:0; }
.prompt-workflow > h3 { margin:0 0 12px; font-size:23px; }
.prompt-use-intro { color:var(--muted); font-size:16px; margin-bottom:24px; }
.prompt-use-rows { margin:0; }
.prompt-use-row { display:grid; grid-template-columns:150px minmax(0,1fr); gap:20px; padding-block:20px; border-top:1px solid var(--line); }
.prompt-use-row dt { font-size:16px; font-weight:750; color:var(--white); }
.prompt-use-row dd { margin:0; min-width:0; font-size:16px; }
.prompt-use-row ul, .prompt-use-row ol { margin:0; }
.prompt-use-row li { margin-bottom:12px; }
.prompt-use-row li:last-child { margin-bottom:0; }
.prompt-workflow .prompt-panel { margin-block:24px; }
.prompt-backup { padding-block:16px; border-top:1px solid var(--line); }
.prompt-backup summary { cursor:pointer; padding-block:8px; font-weight:650; }
.prompt-backup p { margin:16px 0 0; font-size:15px; }
.prompt-use-note { margin:12px 0 0; color:var(--muted); font-size:14px; }
@media(max-width:1000px) { .prompt-use-row { grid-template-columns:125px minmax(0,1fr); gap:16px; } }
@media(max-width:799px) {
 .prompt-workflow > h3 { font-size:22px; }
 .prompt-use-row { display:block; padding-block:22px; }
 .prompt-use-row dt { font-size:17px; margin-bottom:12px; }
 .prompt-use-row dd { font-size:16px; }
 .prompt-use-row ul, .prompt-use-row ol { padding-left:22px; }
 .prompt-workflow .prompt-panel { margin-inline:-6px; }
}
.quest-sidebar nav a > span:last-child { min-width:0; }
.quest-nav-state { display:block; font-size:12px; font-weight:400; margin-top:4px; color:var(--muted); }
.quest-sidebar nav a.is-done .quest-nav-state { color:var(--lime); }
.quest-next { display:flex; flex-direction:column; align-items:flex-start; gap:20px; }
.quest-next > a:not(.button) { font-size:14px; }
.quest-guide-link { margin-block:24px; }
@media(max-width:799px) {
 .quest-mobile-status { display:block; padding-block:10px; }
 .quest-jump { display:flex; align-items:center; justify-content:space-between; gap:12px; font-weight:650; }
 .quest-jump select { min-width:0; max-width:215px; width:66%; min-height:44px; padding:8px; background:var(--navy); color:var(--white); border:1px solid var(--muted); border-radius:6px; font:inherit; font-weight:400; }
 .quest-mobile-status > [data-quest-live] { display:block; font-size:13px; margin-top:6px; }
}

/* 長關卡名稱換行時，保留導覽序號的完整寬度。 */
.quest-sidebar nav a > span:first-child { flex: 0 0 2ch; min-width: 2ch; white-space: nowrap; }

/* 堂次增多後，使用原生選單保留緊湊頁首。 */
.course-picker { display:flex; align-items:center; flex-wrap:wrap; gap:8px; font-size:15px; min-width:0; }
.course-picker select { font:inherit; color:var(--white); background:var(--navy); border:1px solid var(--muted); border-radius:8px; padding:10px; max-width:300px; min-width:0; }
@media(max-width:799px) { .course-picker { width:100%; } .course-picker select { flex:1; max-width:100%; width:0; } .header-row nav { width:100%; } }

/* 長檔名與教學假字串：保留全文，僅在閱讀清單需要時換行。 */
.prepare-list, .prompt-use-row dd { overflow-wrap:anywhere; }

/* 觀念範例與本機參考：沿用 APPA 色票與閱讀節奏，不改既有進度行為。 */
.worked-example { overflow-wrap:anywhere; margin-block:28px; padding:clamp(16px,3vw,28px); border:1px solid var(--line); border-radius:16px; background:rgba(102,51,255,.06); min-width:0; }
.worked-example h3 { margin-top:0; }
.worked-example h4 { margin:24px 0 10px; font-size:1rem; }
.worked-example pre { max-width:100%; white-space:pre-wrap; overflow-wrap:anywhere; padding:18px; border-radius:10px; background:var(--night); color:var(--white); line-height:1.65; }
.example-timing,.example-caption { font-size:.875rem; line-height:1.8; }
.example-outcomes { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; }
.example-outcomes > div { border-top:2px solid var(--violet); min-width:0; }
.reference-package { margin-block:20px; padding:20px; border:1px solid currentColor; border-radius:12px; overflow-wrap:anywhere; }
.new-file-note { margin-top:14px; padding:12px; border-left:4px solid var(--violet); }
@media(max-width:600px) { .example-outcomes { grid-template-columns:1fr; gap:4px; } .reference-package .button { width:100%; text-align:center; } }