/* Scoped to the library so existing app views keep their layout. */
.bl-library { max-width: 1120px; margin: 0 auto; padding: 32px 28px 70px; color: var(--text-primary); font-size: 15px; line-height: 1.7; overflow-wrap: anywhere; }
.bl-library *, .bl-library *::before, .bl-library *::after { box-sizing: border-box; }
.bl-library [hidden] { display: none !important; }
.bl-library h1, .bl-library h2, .bl-library h3 { font-family: var(--font-heading); line-height: 1.25; color: var(--text-primary); }
.bl-library h1 { font-size: clamp(1.65rem, 3vw, 2.5rem); letter-spacing: -.035em; margin: 10px 0 16px; }
.bl-library h2 { font-size: 1.25rem; margin: 8px 0 16px; }
.bl-library h3 { font-size: 1.05rem; margin: 10px 0 16px; }
.bl-library p { margin: 0 0 16px; color: var(--text-secondary); }
.bl-library a { color: var(--accent-violet); text-underline-offset: 4px; }
.bl-library button, .bl-library input { font: inherit; }
.bl-library button { cursor: pointer; }
.bl-library :is(button, input, summary, a):focus-visible { outline: 2px solid var(--accent-violet); outline-offset: 4px; }
.bl-library [tabindex="-1"] { scroll-margin-top: 20px; }
.bl-library [tabindex="-1"]:focus { outline: none; }
.bl-eyebrow { display: block; font-size: .68rem; font-weight: 700; letter-spacing: .1em; color: var(--text-muted); }
.bl-small { display: block; color: var(--text-muted); font-size: .78rem; }
.bl-hero { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 32px; border: 1px solid var(--border-color); border-radius: 20px; background: linear-gradient(120deg, rgba(168,143,217,.13), rgba(168,143,217,.02)); }
.bl-hero h1 { font-size: clamp(2rem, 3.5vw, 3rem); }
.bl-hero h1 span { color: var(--accent-violet); }
.bl-hero-symbol { display: grid; place-items: center; min-width: 135px; width: 160px; height: 160px; border: 1px solid var(--border-color); border-radius: 50%; font-family: Georgia, serif; font-size: 2rem; font-style: italic; color: var(--accent-violet); transform: rotate(-8deg); }
.bl-hero-symbol span { font: 1rem var(--font-body); }
.bl-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.bl-pills span { padding: 4px 10px; font-size: .72rem; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 99px; color: var(--text-secondary); }
.bl-progress { display: flex; align-items: center; gap: 14px; margin: 20px 0 28px; font-size: .75rem; color: var(--text-muted); }
.bl-progress progress { appearance: none; width: 140px; height: 5px; border: 0; background: var(--bg-surface); border-radius: 8px; accent-color: var(--primary); }
.bl-progress progress::-webkit-progress-bar { background: var(--bg-surface); border-radius: 8px; }
.bl-progress progress::-webkit-progress-value { background: var(--primary); border-radius: 8px; }
.bl-progress progress::-moz-progress-bar { background: var(--primary); border-radius: 8px; }
.bl-button { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--border-color); background: var(--bg-card); color: var(--text-primary); font-size: .83rem; text-align: left; line-height: 1.45; text-decoration: none; }
.bl-button:hover { background: var(--bg-hover); border-color: var(--border-active); }
.bl-resume { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 0 0 28px; padding: 18px 22px; background: var(--bg-card); border-radius: 12px; border-left: 3px solid var(--primary); }
.bl-resume strong { display: block; }
.bl-resume div > span:last-child { color: var(--text-muted); font-size: .78rem; }
.bl-search { margin: 28px 0; }
.bl-search label { display: block; margin-bottom: 8px; font-weight: 600; }
.bl-search-row { display: flex; gap: 8px; margin-bottom: 8px; }
.bl-library input[type="search"], .bl-library input[type="date"] { min-width: 0; border: 1px solid var(--border-color); border-radius: 10px; padding: 12px 14px; min-height: 46px; color: var(--text-primary); background: var(--bg-card); }
.bl-library input[type="search"] { flex: 1; width: 100%; }
.bl-library input::placeholder { color: var(--text-muted); }
.bl-library .bl-section-title { font-size: 1rem; margin: 32px 0 16px; }
.bl-subject-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.bl-subject-card { display: flex; flex-direction: column; align-items: flex-start; text-align: left; gap: 10px; padding: 22px; border: 1px solid var(--border-color); background: var(--bg-card); color: var(--text-primary); border-radius: 16px; transition: border-color .15s, transform .15s; }
.bl-subject-card:hover { border-color: var(--bl-subject); transform: translateY(-2px); }
.bl-subject-icon { display: flex; align-items: center; justify-content: center; flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px; font-size: 1.5rem; color: var(--bl-subject, var(--primary)); background: var(--bg-hover); }
.bl-subject-title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 600; line-height: 1.3; }
.bl-card-progress { margin-top: auto; padding-top: 10px; display: flex; justify-content: space-between; width: 100%; font-size: .73rem; color: var(--text-muted); }
.bl-card-progress span { color: var(--bl-subject); }
.bl-note { margin-top: 30px; padding: 20px 24px; border: 1px dashed var(--border-color); border-radius: 12px; font-size: .82rem; }
.bl-note p { margin: 6px 0 12px; }
.bl-breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; color: var(--text-muted); }
.bl-breadcrumb .bl-button { padding: 8px 12px; font-size: .75rem; }
.bl-subject-header { display: flex; align-items: flex-start; gap: 18px; }
.bl-subject-header .bl-subject-icon { width: 58px; height: 58px; }
.bl-unit-list { display: grid; gap: 12px; }
.bl-unit-card { display: grid; grid-template-columns: 38px 1fr 16px; gap: 16px; align-items: start; text-align: left; border: 1px solid var(--border-color); border-radius: 14px; background: var(--bg-card); padding: 20px; color: var(--text-primary); }
.bl-unit-card:hover { border-color: var(--border-active); }
.bl-unit-number { color: var(--accent-violet); font-family: var(--font-heading); font-size: 1.2rem; }
.bl-unit-card strong { font-size: 1rem; }
.bl-unit-description { display: block; font-size: .85rem; color: var(--text-secondary); margin: 7px 0; }
.bl-card { padding: 24px; border: 1px solid var(--border-color); background: var(--bg-card); border-radius: 14px; }
.bl-study-plan { margin-top: 26px; }
.bl-study-plan label { display: block; font-size: .8rem; margin-bottom: 6px; }
.bl-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.bl-reader-header { max-width: 800px; margin-bottom: 28px; }
.bl-reader-layout { display: grid; grid-template-columns: 215px minmax(0,1fr); gap: 32px; align-items: start; }
.bl-toc { position: sticky; top: 20px; max-height: calc(100dvh - 140px); overflow-y: auto; padding: 14px; border: 1px solid var(--border-color); border-radius: 12px; background: var(--bg-card); }
.bl-toc summary { cursor: pointer; font-weight: 600; font-size: .82rem; padding: 6px 0; }
.bl-toc nav { display: grid; gap: 3px; margin-top: 10px; }
.bl-toc .bl-button { justify-content: flex-start; border: 0; padding: 8px; font-size: .75rem; color: var(--text-secondary); }
.bl-reading { min-width: 0; }
.bl-topic { padding: 0 0 26px; margin-bottom: 32px; border-bottom: 1px solid var(--border-color); }
.bl-topic-kicker { font-size: .66rem; letter-spacing: .1em; font-weight: 600; color: var(--accent-violet); }
.bl-topic p { line-height: 1.95; font-size: .98rem; }
.bl-read-check { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: .75rem; color: var(--text-muted); cursor: pointer; }
.bl-read-check input { width: 18px; height: 18px; accent-color: var(--primary); flex-shrink: 0; }
.bl-example { background: linear-gradient(135deg,rgba(168,143,217,.12),rgba(168,143,217,.04)); padding: 26px; border: 1px solid var(--border-active); border-radius: 16px; margin: 28px 0; }
.bl-example .bl-question { color: var(--text-primary); font-weight: 500; }
.bl-steps { padding-left: 24px; margin: 16px 0 0; }
.bl-steps li { padding: 0 0 12px 7px; color: var(--text-secondary); }
.bl-steps li::marker { color: var(--accent-violet); font-weight: 700; }
.bl-code { overflow-x: auto; padding: 16px; background: var(--bg-dark); border-radius: 10px; line-height: 1.6; font-size: .85rem; white-space: pre; }
.bl-practice { margin: 40px 0 26px; }
.bl-exercise { border: 1px solid var(--border-color); border-radius: 14px; padding: 22px; margin-top: 16px; background: var(--bg-card); }
.bl-exercise details { border-top: 1px solid var(--border-color); }
.bl-exercise summary { padding: 13px 0; cursor: pointer; color: var(--accent-violet); font-size: .84rem; min-height: 44px; }
.bl-exercise details p { font-size: .9rem; padding-bottom: 4px; }
.bl-mistakes { margin: 28px 0; padding: 22px 26px; background: rgba(240,212,143,.05); border-left: 3px solid var(--warning); border-radius: 0 12px 12px 0; }
.bl-mistakes h2 { font-size: 1rem; }
.bl-mistakes ul, .bl-references ul { padding-left: 22px; }
.bl-mistakes li { color: var(--text-secondary); margin-top: 8px; font-size: .9rem; }
.bl-references { margin: 30px 0; font-size: .8rem; color: var(--text-muted); }
.bl-references summary { min-height: 44px; cursor: pointer; font-weight: 600; padding: 10px 0; }
.bl-references p { margin: 12px 0; }
.bl-references li { padding: 4px 0; }
.bl-unit-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 32px; }
.bl-unit-nav .bl-button { flex: 1; font-size: .78rem; }
.bl-result { padding: 20px 0; border-bottom: 1px solid var(--border-color); }
.bl-result .bl-button { margin: 6px 0 10px; font-size: 1rem; justify-content: flex-start; }
.bl-result p { font-size: .88rem; max-width: 75ch; }
.bl-status:not(:empty) { position: sticky; bottom: 14px; border: 1px solid var(--border-active); background: var(--bg-card); box-shadow: var(--shadow-sm); padding: 12px 16px; border-radius: 10px; font-size: .8rem; margin: 16px 0 0; }
@media (max-width: 1000px) { .bl-subject-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } .bl-reader-layout { grid-template-columns: 180px minmax(0,1fr); gap: 24px; } }
@media (max-width: 760px) { .bl-library { padding: 20px 16px 90px; } .bl-hero { padding: 22px; } .bl-hero-symbol { display: none; } .bl-reader-layout { display: block; } .bl-toc { position: static; max-height: none; margin-bottom: 30px; } .bl-toc nav { grid-template-columns: repeat(2,minmax(0,1fr)); } .bl-toc .bl-button { font-size: .78rem; } .bl-example { padding: 22px; } .bl-resume { padding: 16px; } .bl-subject-header { gap: 12px; } body:has(#biblioteca-view:not(.hidden)) :is(.pom-fab,.formulas-fab,.calc-fab) { display: none; } }
@media (max-width: 440px) { .bl-subject-grid { grid-template-columns: 1fr; } .bl-subject-card { display: grid; grid-template-columns: 44px 1fr; gap: 5px 14px; padding: 18px; } .bl-subject-card .bl-subject-icon { grid-row: span 2; } .bl-subject-card .bl-small { grid-column: 2; } .bl-card-progress { grid-column: 1 / -1; } .bl-toc nav { grid-template-columns: 1fr; } .bl-unit-card { grid-template-columns: 25px 1fr; gap: 12px; padding: 16px; } .bl-unit-card > span:last-child { display: none; } .bl-resume { flex-direction: column; align-items: stretch; } .bl-progress { gap: 10px; font-size: .7rem; } .bl-progress progress { width: 90px; } .bl-unit-nav { flex-direction: column; } .bl-search-row .bl-button { padding: 8px 10px; } .bl-exercise { padding: 18px; } }
@media (prefers-reduced-motion: reduce) { .bl-subject-card { transition: none; } .bl-subject-card:hover { transform: none; } }