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.book-cover:before{background:var(--blue)}.book-cover:hover:before{transform:scale(1.12)}.book-num{font-family:var(--font-display);font-size:2.4rem;font-weight:800;line-height:1}.book-title{font-family:var(--font-display);font-size:1.12rem;font-weight:700;line-height:1.2}.book-mark{position:absolute;left:16px;top:14px;font-size:.7rem;font-weight:700;opacity:.75}.book-info{display:grid;gap:4px;padding:14px 16px 16px}.book-actions{display:flex;align-items:center;gap:6px;margin-top:8px}.file-row.file-row{cursor:default}a.file-row{cursor:pointer}.file-actions{display:flex;align-items:center;gap:4px}.file-icon.lab{background:var(--violet-soft);color:var(--violet)}.note-grid{grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr))}.note-card{display:flex;flex-direction:column;gap:8px;padding:18px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface)}.note-card>a{color:var(--ink)}.note-card>a:hover{text-decoration:none}.note-card h2{margin:8px 0 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10px);align-self:start;display:grid;place-items:center;width:48px;height:48px;margin:0;border-radius:15px;background:var(--primary-soft);color:var(--primary)}.glossary-group dl{display:grid;gap:8px;margin:0}.glossary-group dl>div{padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface)}.glossary-group dt{font-weight:750;font-size:1.02rem}.glossary-group dd{margin:3px 0 0;color:var(--ink-2);line-height:1.55}.glossary-lessons{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.glossary-lessons .chip:hover{text-decoration:none;filter:brightness(.96)}.updates{display:grid;gap:12px;max-width:860px;margin:0 0 22px;padding:0;list-style:none}.update-card{display:grid;grid-template-columns:82px minmax(0,1fr);gap:16px;margin:0;padding:18px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);scroll-margin-top:calc(var(--topbar-h) + 20px)}.update-card:target{border-color:var(--primary);box-shadow:var(--ring)}.update-date{display:grid;align-content:center;justify-items:center;height:82px;border-radius:var(--r-md);background:var(--primary-soft);color:var(--primary);text-align:center}.update-date strong{font-family:var(--font-display);font-size:1.9rem;line-height:1}.update-date span{font-size:.76rem;font-weight:700}.update-tags{display:flex;gap:6px;flex-wrap:wrap}.update-body h2{margin:8px 0 4px;font-size:1.22rem}.update-body p{margin:0 0 10px;color:var(--ink-2);line-height:1.6}.update-links{display:flex;gap:8px 14px;flex-wrap:wrap;align-items:center;font-size:.88rem}.update-links a:not(.chip){display:inline-flex;align-items:center;gap:5px;font-weight:650}.update-links .chip:hover{text-decoration:none;filter:brightness(.96)}.passport-hero{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:22px;padding:26px;border-radius:var(--r-xl);background:var(--navy);color:#fff}:root[data-theme=dark] .passport-hero{background:#101a31;box-shadow:inset 0 0 0 1px var(--line)}.passport-hero .ring-track{stroke:#ffffff29}.passport-hero .ring-value{stroke:var(--amber)}.passport-hero .ring-content strong{font-family:var(--font-display);font-size:1.9rem;color:#fff}.passport-hero .ring-content small{color:#a9bbdd;font-size:.9rem;font-weight:700}.passport-hero-copy{flex:1 1 320px;min-width:0}.passport-hero h1{margin:0 0 6px;color:#fff}.passport-hero p{margin:0 0 12px;max-width:62ch;color:#c5d2ec}.passport-stats{display:flex;gap:8px 22px;flex-wrap:wrap;margin:0;padding:0;list-style:none;color:#c5d2ec;font-size:.92rem}.passport-stats li{display:inline-flex;align-items:center;gap:6px;margin:0}.passport-stats strong{color:#fff}.passport-stats svg{color:var(--amber)}.passport-section{margin-bottom:30px;scroll-margin-top:calc(var(--topbar-h) + 12px)}.passport>.notice{margin-bottom:22px}.module-grid{grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr))}.module-card{display:flex;flex-direction:column;gap:14px;padding:18px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface)}.module-card.earned{border-color:color-mix(in srgb,var(--amber) 70%,var(--line))}.module-card>header{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center}.module-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--track-soft);color:var(--track-deep)}:root[data-theme=dark] .module-icon{color:var(--track)}.module-card header small{font-weight:700}.module-card h3{margin:0;font-size:1.05rem;line-height:1.25}.module-medal{border-radius:50%;transition:transform .2s var(--ease-spring)}.module-medal:hover{transform:scale(1.1) 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small{color:var(--ok);font-weight:700}.medal{position:relative;display:inline-grid;place-items:center;flex:0 0 auto;--medal: var(--violet);--medal-deep: var(--violet-deep)}.medal svg{position:absolute;inset:0;width:100%;height:100%}.medal-ribbon,.medal-edge{fill:var(--medal-deep)}.medal-face{fill:var(--medal)}.medal-ring{fill:none;stroke:#ffffff73;stroke-width:1.4;stroke-dasharray:2 3.4}.medal-icon{position:relative;display:grid;place-items:center;margin-top:-20%;color:#fff}.medal.locked{--medal: var(--surface-3);--medal-deep: var(--line-strong)}.medal.locked .medal-icon{color:var(--faint)}.medal.locked .medal-ring{stroke:var(--line-strong)}.medal-lock{position:absolute;right:10%;bottom:22%;display:grid;place-items:center;width:30%;aspect-ratio:1;border-radius:50%;background:var(--surface);box-shadow:0 0 0 2px var(--line-strong);color:var(--muted)}.module-card .medal.earned{--medal: var(--track);--medal-deep: var(--track-deep)}.medal-card.earned .medal,.badge-detail-top 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small{display:block}.modal-actions.start{justify-content:flex-start;margin-top:0}.modal-actions.center{justify-content:center}.verify-page{display:grid;place-items:start center;padding:10px 0 30px}.verify-card{display:grid;justify-items:center;gap:10px;width:min(640px,100%);padding:34px clamp(18px,5vw,44px);border:1px solid var(--line);border-radius:var(--r-xl);background:var(--surface);text-align:center}.verify-card h1{margin:4px 0 0}.verify-owner{margin:0;font-size:1.1rem}.verify-desc{margin:0;color:var(--muted);max-width:52ch}.verify-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;width:100%;margin:10px 0 0}.verify-meta>div{padding:12px;border-radius:var(--r-md);background:var(--surface-2)}.verify-meta dt{font-size:.78rem;font-weight:700;color:var(--muted)}.verify-meta dd{margin:2px 0 0;font-weight:650;overflow-wrap:anywhere}.icon-button.star{margin:6px 6px 0 0;color:var(--faint)}.icon-button.star.active{color:var(--amber-deep)}.prompt-builder{padding:24px;border:1px solid var(--line);border-radius:var(--r-xl);background:var(--surface);scroll-margin-top:calc(var(--topbar-h) + 16px);min-width:0}.prompt-builder-head h2{margin:10px 0 6px}.prompt-builder-head p{margin:0 0 18px;color:var(--ink-2)}.builder-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:20px;align-items:start}.builder-title{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:12px}.builder-title h3{display:flex;align-items:center;gap:9px;margin:0;font-size:1.04rem}.builder-preview{min-width:0}.prompt-output,.code-box{max-height:520px;padding:18px;border-radius:var(--r-md);background:var(--navy);color:#e3ebfb;font-family:var(--font-mono);font-size:.86rem;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere;overflow-y:auto;scrollbar-width:thin}:root[data-theme=dark] .prompt-output,:root[data-theme=dark] .code-box{background:#0a1226;box-shadow:inset 0 0 0 1px var(--line)}.prompt-output mark{padding:1px 4px;border-radius:5px;background:#ffc45738;color:#ffd98a}.code-box.plain{background:var(--surface-2);color:var(--ink-2);box-shadow:inset 0 0 0 1px var(--line);font-family:var(--font-body);font-size:.93rem}:root[data-theme=dark] .code-box.plain{background:var(--surface-2)}.builder-tool{display:flex;align-items:center;gap:6px;margin-top:10px}.prompt-notes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0 8px}.prompt-note{padding:14px 16px;border-radius:var(--r-md);background:var(--surface-2)}.prompt-note h4{display:flex;align-items:center;gap:7px;margin:0 0 5px;font-family:var(--font-body);font-size:.92rem;font-weight:700}.prompt-note p{margin:0;color:var(--ink-2);font-size:.9rem;line-height:1.5}.prompt-note.ok{background:var(--ok-soft)}.prompt-note.ok h4 svg{color:var(--ok)}.prompt-note.warn{background:var(--warn-soft)}.prompt-note.warn h4 svg{color:var(--amber-deep)}.prompt-note.info{background:var(--primary-softer)}.prompt-note.info h4 svg{color:var(--primary)}.projects-layout{display:grid;grid-template-columns:310px minmax(0,1fr);gap:18px;align-items:start}.project-nav{position:sticky;top:calc(var(--topbar-h) + 16px);padding:14px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface)}.project-nav-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px;padding:0 4px}.project-nav-list{display:grid;gap:4px;max-height:calc(100dvh - var(--topbar-h) - 130px);overflow-y:auto;scrollbar-width:thin}.project-nav-item{display:grid;grid-template-columns:auto 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svg{margin-top:2px;color:var(--ok)}.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:16px;align-items:start;margin-bottom:16px}.settings-grid>.panel{margin:0}.panel .button{margin-top:4px}.cert-status-callout{margin:10px 0 14px;padding:13px 15px;border-radius:var(--r-md);background:var(--surface-2)}.cert-status-callout strong{display:block;margin-bottom:8px;font-size:.92rem}.export-panel{display:flex;align-items:center;justify-content:space-between;gap:14px 24px;flex-wrap:wrap}.export-panel>div{flex:1 1 300px;min-width:0}.export-panel h2{margin-bottom:4px}.export-panel p{margin:0;color:var(--muted)}.deletion-guidance{padding:0 4px}.auth{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:clamp(24px,5vw,72px);align-items:center;width:min(1080px,100%);margin:0 auto;padding:18px clamp(18px,4vw,44px) 56px}.auth-pitch h1{margin:18px 0 20px;color:#fff;max-width:15ch}.auth-pitch 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i{height:10px;border-radius:99px;background:var(--surface-3);transition:background .3s}.onboarding-progress i.on{background:var(--primary)}.onboarding-card h1{margin:0 0 4px;font-size:clamp(1.4rem,1.1rem + 1.4vw,1.9rem)}.onboarding-card>p{margin:0 0 18px;color:var(--muted)}.choices{display:grid;gap:10px}.choice{display:grid;grid-template-columns:26px minmax(0,1fr);gap:13px;align-items:center;padding:14px 16px;border-radius:var(--r-md);background:var(--surface);box-shadow:0 3px 0 var(--line-strong),inset 0 0 0 2px var(--line-strong);text-align:left;transition:box-shadow .12s,background .12s}.choice:hover{background:var(--surface-2)}.choice strong{display:block;line-height:1.3}.choice small{display:block}.choice-dot{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;box-shadow:inset 0 0 0 2px var(--line-strong);color:#fff}.choice.selected{background:var(--primary-softer);box-shadow:0 3px 0 var(--primary),inset 0 0 0 2px var(--primary)}.choice.selected 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