.library-page{padding-bottom:2rem}.library-tabs{display:flex;gap:.4rem;overflow:auto;padding:.35rem 0 1rem;border-bottom:1px solid var(--line)}.library-tabs a{white-space:nowrap;padding:.65rem .9rem;border-radius:12px;color:var(--muted);font-size:.9rem}.library-tabs a[aria-current]{background:var(--accent-soft);color:var(--accent);font-weight:700}.library-hero{background:#123d38;color:#f5fbf8;border-radius:24px;padding:clamp(1.5rem,4vw,3.5rem);display:grid;grid-template-columns:1fr .45fr;gap:2rem;align-items:center;overflow:hidden}.library-hero h1{font-size:clamp(1.8rem,3vw,2.8rem);line-height:1.35;max-width:22ch}.library-hero p{color:#cfdfd9;max-width:60ch;margin-block:1rem 1.5rem}.library-hero .btn:not(.primary){background:#ffffff12;border-color:#ffffff40;color:white}.library-kicker{text-transform:uppercase;font-size:.8rem;letter-spacing:.08em;color:#93cdb9}.library-hero-art{transform:rotate(-4deg);background:#ffffff0a;border:1px solid #ffffff22;border-radius:24px;padding:1.6rem;text-align:center;color:#a6e0c8;font-family:monospace;font-size:1.1rem}.library-hero-art svg{width:100%;stroke:#9cdbc1;fill:none;stroke-width:1.5}.library-hero-art .curve{stroke:#f6ce85;stroke-width:4}.library-hero-art circle{fill:#f6ce85}.library-metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden}.library-metrics>div{padding:1.4rem;display:flex;flex-direction:column;gap:.3rem;border-inline-end:1px solid var(--line)}.library-metrics>div:last-child{border:0}.library-metrics strong{font-size:1.9rem;color:var(--accent);font-variant-numeric:tabular-nums}.library-metrics span{font-size:.85rem;color:var(--muted)}.library-subjects{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.subject-tile{display:flex;flex-direction:column;gap:.7rem;transition:transform .15s,border-color .15s}.subject-tile:hover{transform:translateY(-3px);border-color:var(--accent)}.subject-symbol{font-size:1.4rem;color:var(--accent);font-family:monospace;display:grid;place-items:center;background:var(--accent-soft);width:3.5rem;height:3.5rem;border-radius:14px}.subject-tile p,.subject-tile>span:last-child{font-size:.8rem;color:var(--muted)}.library-filters{display:grid;grid-template-columns:2fr repeat(4,minmax(7rem,1fr));gap:.8rem;align-items:end}.lib-search{min-width:0}.library-source-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.source-card{display:flex;flex-direction:column;gap:.8rem}.source-card h3{overflow-wrap:anywhere;font-size:1rem;line-height:1.55}.source-card>.row:last-child{margin-top:auto}.source-card .row{flex-wrap:wrap}.library-question-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.imported-card h3{font-size:1rem;line-height:1.7;font-weight:500}.source-options{padding-inline-start:1.6rem;display:grid;gap:.4rem;font-size:.9rem}.source-frame{margin:0;border:1px solid var(--line);border-radius:14px;padding:.7rem;background:#fff;overflow:auto}.source-frame img{display:block;width:100%;height:auto;object-fit:contain;max-height:65rem}.source-frame figcaption{color:#53665f;font-size:.75rem;padding-top:.5rem;line-height:1.6}.source-document{width:100%;height:78vh;min-height:30rem;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.source-video{width:100%;max-height:75vh;background:#111}.source-page-number{display:inline-block;width:6rem}.source-page-links{display:flex;gap:.4rem;flex-wrap:wrap;padding:1rem 0}.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:start}.review-grid>section{position:sticky;top:6rem;min-width:0}.review-grid form>label{font-size:.9rem;line-height:1.7}.review-grid textarea{width:100%}.studio-layout{display:grid;grid-template-columns:19rem minmax(0,1fr);gap:1.5rem;align-items:start}.studio-layout aside{position:sticky;top:6rem}.studio-question{display:flex;flex-direction:column;gap:1.2rem}.qfig .fa50{fill:var(--accent);fill-opacity:.12}.qfig .fa{fill:var(--accent-soft)}.studio-question .qchart,.studio-question .qfig{max-width:36rem}.library-source-grid .btn{align-self:start}.library-source-grid h2{font-size:1.15rem}.source-frame-toggle{margin-block:.5rem}.review-grid input[type=checkbox]{accent-color:var(--accent)}
@media(max-width:1000px){.library-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.lib-search{grid-column:1/-1}.library-subjects,.library-source-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.studio-layout{grid-template-columns:15rem minmax(0,1fr)}}
@media(max-width:700px){.library-hero{grid-template-columns:1fr}.library-hero-art{display:none}.library-metrics{grid-template-columns:repeat(2,1fr)}.library-metrics>div{padding:1rem;border-bottom:1px solid var(--line)}.library-metrics strong{font-size:1.5rem}.library-subjects,.library-question-grid,.library-source-grid,.review-grid,.studio-layout{grid-template-columns:1fr}.library-subjects{grid-template-columns:repeat(2,minmax(0,1fr))}.subject-tile{padding:1rem}.subject-tile h2{font-size:1rem}.review-grid>section,.studio-layout aside{position:static}.source-document{height:65vh;min-height:20rem}.studio-question{padding:1rem}}

.library-page h1{overflow-wrap:anywhere}.source-frame-zoom summary{cursor:pointer;color:var(--accent);padding:.6rem 0}.source-frame-zoom>div{overflow:auto;max-width:100%}.source-frame-zoom img{min-width:64rem;max-height:none}.visual-expand[open] .source-frame img{min-width:50rem;max-height:none}