/* TEOVERA: shared learning interface. No dependencies or external fonts. */
:root{color-scheme:light;--ink:#163448;--muted:#506779;--brand:#164c62;--soft:#eef6f5;--gold:#f1dcae;--line:#ccdcdF;--paper:#fff;--bg:#f8faf8;--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:var(--brand);text-underline-offset:4px}button,input,textarea,select{font:inherit}button,a,input,textarea,summary,select{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #947014;outline-offset:4px}button,summary{cursor:pointer}button:disabled{cursor:default;opacity:.6}button,a.tv-btn{min-height:46px}input,textarea,select{max-width:100%;border:1px solid #728e9d;border-radius:10px;background:#fff;color:var(--ink);padding:11px 13px}input[type=search],textarea{width:100%}textarea{resize:vertical;min-height:110px}label{display:block;font-weight:650;margin-bottom:7px}h1,h2,h3{line-height:1.2;letter-spacing:-.025em;color:var(--ink);overflow-wrap:anywhere}h1{font-size:clamp(2rem,5vw,3.7rem);margin:14px 0 20px}h2{font-size:clamp(1.5rem,3vw,2.15rem)}h3{font-size:1.25rem}p{margin:12px 0}img{max-width:100%}[hidden]{display:none!important}.tv-wrap,.wrap{width:min(1120px,calc(100% - 40px));margin-inline:auto}.tv-narrow{max-width:850px}.tv-skip{position:absolute;left:12px;top:-100px;z-index:20;background:white;padding:12px}.tv-skip:focus{top:12px}.tv-header{background:#fff;border-bottom:1px solid var(--line)}.tv-head{display:flex;align-items:center;gap:22px;padding:17px 0}.tv-brand{margin-right:auto;display:flex;align-items:center}.tv-brand img{width:156px;height:42px;object-fit:contain}.tv-nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px 22px}.tv-nav a{text-decoration:none;font-weight:650;padding:6px 0}.tv-menu{position:relative}.tv-menu summary{border:1px solid var(--line);border-radius:9px;padding:7px 14px;list-style:none;min-height:46px}.tv-menu summary::after{content:' +';font-weight:800}.tv-menu[open] summary::after{content:' −'}.tv-menu nav{position:absolute;right:0;top:55px;width:260px;max-width:80vw;background:#fff;padding:15px;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 25px #16344816;z-index:15;display:grid;gap:5px}.tv-menu nav a{padding:7px 10px;text-decoration:none}.tv-hero{padding:58px 0 35px}.tv-hero-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:50px;align-items:center}.tv-kicker{display:block;text-transform:uppercase;font-size:.76rem;font-weight:800;letter-spacing:.11em;color:#38645c}.tv-lead{font-size:1.15rem;max-width:680px}.tv-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:22px 0}.tv-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--brand);border-radius:11px;padding:10px 19px;background:var(--brand);color:#fff;text-decoration:none;font-weight:750}.tv-btn.secondary{background:#fff;color:var(--brand)}.tv-btn.quiet{background:transparent;color:var(--brand);border-color:var(--line)}.tv-note{color:var(--muted);font-size:.9rem}.tv-identity{background:var(--soft);border-left:4px solid #346f62;border-radius:0 12px 12px 0;padding:14px 18px;font-size:.94rem}.tv-hero-card{background:#173f50;border-radius:24px;color:#fff;padding:30px}.tv-hero-card h2,.tv-hero-card h3,.tv-hero-card a{color:#fff}.tv-hero-card .tv-kicker{color:#ecd7a7}.tv-hero-card .tv-note{color:#dfebed}.tv-hero-card .tv-btn{color:#173f50;background:var(--gold);border-color:var(--gold)}.tv-hero-card .tv-note a{color:#fff}.tv-section{padding:32px 0}.tv-section-head{display:flex;gap:20px;justify-content:space-between;align-items:center;margin-bottom:20px}.tv-section-head h2{margin:4px 0}.tv-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.tv-card{padding:23px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;display:flex;flex-direction:column;gap:6px;color:var(--ink)}.tv-card h3,.tv-card p{margin:4px 0}.tv-card strong.tv-link{margin-top:auto;padding-top:15px;color:var(--brand)}.tv-card:hover{border-color:var(--brand);box-shadow:0 5px 18px #1634480a}.tv-number{font-size:.8rem;font-weight:800;color:#527767;letter-spacing:.06em}.tv-resume{background:#e9f3f0;border:1px solid #bed7cd;border-radius:var(--radius);padding:23px;display:flex;align-items:center;gap:25px;justify-content:space-between}.tv-resume h2,.tv-resume p{margin:5px 0}.tv-strip{display:flex;gap:10px;flex-wrap:wrap}.tv-chip{display:inline-block;padding:7px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);text-decoration:none}.tv-chip[aria-pressed=true]{background:var(--brand);border-color:var(--brand);color:#fff}.tv-details{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:18px 22px;margin:15px 0}.tv-details>summary{font-weight:750;min-height:32px}.tv-details[open]>summary{margin-bottom:18px}.tv-details .tv-grid{margin-top:20px}.tv-footer{margin-top:35px;padding:30px 0;background:#edf3f1;border-top:1px solid var(--line);font-size:.91rem}.tv-footer nav{display:flex;gap:12px 22px;flex-wrap:wrap}.tv-footer p{max-width:900px}.tv-filter-box{display:grid;grid-template-columns:1fr auto;align-items:end;gap:25px;margin:25px 0}.tv-filters{display:flex;gap:8px;flex-wrap:wrap}.tv-mode{border:0;margin:22px 0;padding:0}.tv-mode legend{font-weight:700;margin-bottom:10px}.tv-mode .tv-filters{margin-bottom:8px}.bncc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.bncc-card{display:flex;flex-direction:column;gap:12px;border:1px solid var(--line);border-radius:16px;background:white;padding:23px;color:var(--ink);text-decoration:none}.bncc-card h3,.bncc-card p{margin:0}.bncc-card b{margin-top:auto;color:var(--brand)}.bncc-card.is-complete{border-color:#579781}.bncc-card-top{display:flex;gap:8px;flex-wrap:wrap;font-size:.76rem;font-weight:750}.bncc-num{color:#5b6e79}.study-category{background:#ecf2f1;padding:1px 8px;border-radius:5px}.bncc-done{color:#2d6e50}.tv-breadcrumb{display:flex;gap:12px;flex-wrap:wrap;font-size:.9rem;margin:24px 0}.bncc-study-content{max-width:860px;margin:auto}.bncc-study-head h1{font-size:clamp(1.8rem,4.3vw,3rem)}.tv-stepper{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin:20px 0}.tv-stepper button{background:white;border:1px solid var(--line);padding:11px 6px;border-radius:10px;line-height:1.25;font-size:.87rem;min-height:65px;color:var(--ink)}.tv-stepper button[aria-current=step]{background:var(--brand);color:white;border-color:var(--brand)}.tv-stepper button span{display:block;font-weight:800;margin-bottom:4px}.tv-step-panel{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow-wrap:anywhere;scroll-margin-top:20px}.tv-step-panel>h2{margin-top:0}.tv-step-panel section+section{margin-top:24px}.tv-step-panel section h2{font-size:1.4rem}.tv-step-panel section h3{font-size:1.2rem}.tv-instruction{border-left:4px solid #ad8a38;padding:11px 16px;background:#fcf7e9;margin:0 0 22px}.tv-intro-copy{font-size:1.08rem}.tv-inline-status{font-size:.91rem;color:#2d624e;min-height:1.5em}.tv-warning{color:#844716}.tv-checklist{list-style:none;padding:0;margin:20px 0}.tv-checklist li{padding:6px 0}.tv-checklist li::before{content:'○ ';font-weight:850}.tv-checklist li.done::before{content:'✓ ';color:#2d624e}.tv-input-group{margin:20px 0}.tv-input-group input[type=checkbox]{width:20px;height:20px;vertical-align:middle;margin-right:10px;accent-color:var(--brand)}.tv-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.bncc-options{display:grid;gap:12px;margin:20px 0}.bncc-option{text-align:left;background:#fff;border:1px solid #94a9b5;border-radius:10px;padding:14px;color:var(--ink);display:flex;gap:11px}.bncc-option.correct{border:2px solid #31764f;background:#edf8ee}.bncc-option.wrong{border:2px solid #ab5636;background:#fff1e9}.bncc-feedback{padding:16px;background:#edf4f5;border-radius:10px;margin:15px 0}.tv-study-controls{margin:20px 0;display:flex;justify-content:space-between;gap:12px}.tv-study-controls button{min-width:115px}.bncc-study-nav{display:flex;justify-content:space-between;gap:18px;padding:28px 0;flex-wrap:wrap}.tv-complete-panel{background:#e8f4eb;padding:20px;border-radius:12px;border:1px solid #a7c8ae}.tv-full-study{margin:30px 0}.tv-full-study section{padding:18px 0;border-bottom:1px solid var(--line)}.tv-callout{padding:14px 18px;background:#f0f5f4;border-radius:12px;margin:14px 0}.tv-profile-help{font-size:.91rem;color:var(--muted);max-width:760px}.tv-progress-bar{display:block;width:100%;height:8px;accent-color:var(--brand);margin:15px 0}.tv-search{width:100%;max-width:690px;margin:20px 0}.tv-search>div{display:flex;gap:9px}.tv-search button{flex:0 0 auto}.tv-result{min-height:28px;color:var(--muted)}.tv-storage-warning{padding:14px 18px;background:#fff2db;border:1px solid #cbb06d;border-radius:10px}.tv-compact-hero{padding-bottom:15px}.tv-compact-hero h1{font-size:clamp(2rem,4.4vw,3rem)}.tv-foot-links{display:flex;gap:10px 20px;flex-wrap:wrap;margin-top:14px}body .daily-shell{box-shadow:none}body .daily-head{padding:18px}body .daily-grid{padding:12px}body .daily-card{min-width:0}.creation-daily .daily-track{display:flex;gap:5px}.creation-daily .daily-track i{height:6px;flex:1;background:#dfe9e5}.tv-reading-only{display:none}.tv-science-note{font-size:.92rem;border-top:1px solid var(--line);padding-top:14px;color:var(--muted)}
@media(max-width:850px){.tv-hero-grid{grid-template-columns:1fr;gap:25px}.tv-hero{padding-top:30px}.tv-grid,.bncc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tv-nav a:nth-child(n+3){display:none}.tv-filter-box{grid-template-columns:1fr;gap:15px}.tv-head{gap:12px}.tv-hero-card{padding:25px}.tv-hero-card h2{margin:10px 0}.tv-step-panel{padding:22px}}
@media(max-width:540px){.tv-wrap,.wrap{width:calc(100% - 28px)}.tv-head{padding:12px 0}.tv-brand img{width:126px;height:38px}.tv-nav{gap:8px}.tv-nav a{font-size:.9rem}.tv-nav a:nth-child(n+2){display:none}.tv-menu summary{padding:7px 10px}.tv-grid,.bncc-grid{grid-template-columns:1fr}.tv-resume{align-items:stretch;flex-direction:column;gap:13px}.tv-section{padding:23px 0}.tv-section-head{align-items:flex-start;flex-direction:column;gap:8px}.tv-stepper{gap:4px}.tv-stepper button{font-size:.71rem;padding:8px 2px;min-height:65px}.tv-step-panel{padding:18px}.tv-step-panel h2{font-size:1.5rem}.tv-filters .tv-chip{padding:7px 10px;font-size:.93rem}.tv-search>div{flex-wrap:wrap}.tv-search button{width:100%}.tv-study-controls .tv-btn{padding:10px 13px;min-width:0}.tv-details{padding:17px}.tv-actions{gap:9px}.tv-actions .tv-btn{flex-grow:1}.tv-card{padding:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
@media print{body{background:#fff;font-size:12pt}.tv-header,.tv-footer,.tv-stepper,.tv-study-controls,.tv-breadcrumb,.tv-mode,.tv-actions,.tv-guide,.bncc-study-nav,.tv-skip{display:none!important}.tv-full-study,.tv-full-study>*{display:block!important}.tv-full-study>summary{font-size:18pt}.tv-reading-only{display:block}.tv-wrap{width:100%}.tv-full-study section{break-inside:avoid}.tv-full-study a{color:#000}.tv-full-study a[href^=http]::after{content:' (' attr(href) ')';font-size:9pt;overflow-wrap:anywhere}}

/* Compact, accessible practice cards. */
.tv-mini{background:#f1f8f5;border:1px solid #a4cabb;border-radius:18px;padding:clamp(15px,3vw,26px);margin:18px 0 24px}.tv-mini h3{margin:8px 0 12px}.tv-mini-bank{display:flex;gap:8px;flex-wrap:wrap}.tv-mini-bank .tv-chip{white-space:normal;text-align:left}.tv-mini-chain{min-height:48px;background:#fff;border-radius:12px;padding:14px 14px 14px 38px}.tv-mini-chain li{margin:7px 0}.tv-mini select{width:100%;max-width:100%;font:inherit;padding:12px;border:1px solid #81988f;border-radius:10px;background:#fff;color:#16362f;white-space:normal}.tv-mini .tv-input-group{margin:14px 0}.tv-mini [disabled]{opacity:.55;cursor:default}.tv-punnett{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-width:280px;margin:16px 0}.tv-punnett span{text-align:center;padding:18px;background:#fff;border:1px solid #91b6a6;border-radius:8px;font-size:1.25rem;font-weight:750}.tv-mode-help summary{cursor:pointer;color:#3a625e;font-size:.85rem;padding:6px 0}.tv-mode-help p{margin:4px 0}.tv-identity{font-size:.87rem}.tv-mode .tv-chip{font-size:.8rem;padding:9px 11px}