:root{--ink:#122b4b;--ink2:#116b78;--paper:#f3f7fb;--panel:#fff;--line:#d7e2eb;--muted:#516879;--gold:#ffd563;--blue:#248fc0;--teal:#178c88;--coral:#eb745c;--violet:#775fbd;--shadow:0 16px 38px rgba(19,51,84,.09)}
html{scroll-padding-top:90px}body{background:linear-gradient(180deg,#eff6fc 0,#f7fafc 620px,#f4f7fb 100%)}.topbar{height:72px;background:rgba(255,255,255,.96);box-shadow:0 4px 16px rgba(16,52,81,.05);backdrop-filter:blur(12px)}.brand-mark{border-radius:11px;background:linear-gradient(135deg,#152c55,#137b94);color:#fff;box-shadow:0 5px 11px rgba(19,87,121,.18)}.brand strong{font-size:16px}.brand small{font-size:11px;letter-spacing:.035em}.topbar nav{gap:16px}.topbar nav a{font-size:13px;white-space:nowrap}.topbar nav a:hover,.topbar nav a:focus-visible{color:#0b7683;text-decoration:underline;text-underline-offset:5px}.topbar .doc-link{border-color:#a9cbd6;background:#e9f5f8;color:#155673}
.hero{max-width:1200px;grid-template-columns:minmax(0,1fr) 290px;align-items:center;gap:35px;padding:38px clamp(22px,5vw,55px) 35px;background:transparent}.hero h1{font-size:clamp(39px,4.5vw,60px);line-height:1.02;margin-bottom:12px}.hero h1 em{color:#16848b}.hero-copy{font-size:16px;max-width:550px;line-height:1.55;margin-bottom:21px}.hero .eyebrow{color:#216f90;font-size:12px}.hero-actions{gap:11px}.hero-actions .button{min-height:45px}.study-card{padding:18px 21px;background:linear-gradient(145deg,#152c55,#164e69);box-shadow:0 18px 34px rgba(20,58,99,.16)}.study-card h2{font-size:22px;line-height:1.15;margin-bottom:12px}.study-card li{padding:8px 0}.study-card li span{font-size:12px}.stats{max-width:1124px;box-shadow:0 9px 23px rgba(20,53,85,.05);border-radius:15px}.stats article{padding:14px 22px}.stats article:nth-child(1){border-top:4px solid #1c9aa6}.stats article:nth-child(2){border-top:4px solid #8061c4}.stats article:nth-child(3){border-top:4px solid #e7ae35}.stats article:nth-child(4){border-top:4px solid #ef7960}.stats span{font-size:26px}.stats small{font-size:12px}
.section{padding:62px 0}.section-heading h2{font-size:clamp(31px,3.2vw,40px)}.section-heading p:not(.eyebrow){font-size:15px;line-height:1.5}.eyebrow,.mini-label{font-size:12px}.button{border-radius:10px;padding:12px 17px;font-size:14px;transition:transform .15s,background .15s,box-shadow .15s}.button:hover{transform:translateY(-1px)}.button:focus-visible,.filter:focus-visible,.practice-tab:focus-visible,.answer-option:focus-visible,.bookmark:focus-visible,.source-flag:focus-visible{outline:3px solid #edaa3b;outline-offset:2px}.button-primary{background:#ffd563}.button-primary:hover{background:#ffca3d}.button-secondary{border-color:#bfd2dc}.filter{font-size:13px;padding:10px 13px;border-radius:10px}.filter.active{background:#176e82;border-color:#176e82}.filter[aria-pressed="true"]{background:#dbf1ef;border-color:#278b81;color:#125f62}.search{height:54px;border-radius:12px;border-color:#cbdde5;box-shadow:0 4px 12px rgba(19,51,84,.03)}.search input{font-size:16px;min-width:0}.archive-controls label,.export-controls label{font-size:14px}.archive-controls select,.people-controls select{min-height:43px;font-size:14px}.result-label{font-size:12px}
.practice-section{margin-top:33px;margin-bottom:30px;padding:36px;border:1px solid #cbdde9;background:linear-gradient(135deg,#e7f3fb 0%,#eaf8f3 100%);box-shadow:0 16px 40px rgba(20,67,104,.07)}.practice-section .section-heading{max-width:760px}.practice-tab{font-size:15px}.quiz-panel{border-radius:16px;padding:26px}.quiz-question{font-size:clamp(24px,2.5vw,31px)}.answer-option{font-size:16px;line-height:1.48;min-height:57px;border-radius:11px;padding:14px}.answer-letter{min-width:29px;height:29px;font-size:13px}.quiz-status{font-size:12px}.quiz-rail{border-radius:16px;background:#143655}.quiz-rail p:not(.mini-label){font-size:13px}.quiz-feedback{font-size:15px;line-height:1.55}.quiz-rail .button{min-height:44px}
.desk-grid article,.news-item,.person{box-shadow:0 5px 15px rgba(23,57,88,.035)}.news-grid{gap:14px}.news-item{border-radius:14px;border-top:4px solid var(--topic-color,#168a96);min-height:216px;padding:19px}.news-item h3{font-size:19px;line-height:1.3}.news-item .date{font-size:12px}.news-item .source{font-size:13px}.pill{font-size:11px;padding:7px 9px;border-radius:7px;font-weight:700;letter-spacing:0}.news-actions button{min-width:32px;min-height:32px}.person{border-radius:13px;border-left:4px solid #8068c1;padding:20px}.person-group{font-size:11px}.person p{font-size:14px;line-height:1.45}.person a{font-size:13px}.timeline-event h3{font-size:18px}.timeline-event time,.timeline-event a{font-size:14px}.export-section{background:linear-gradient(125deg,#e6f4fb,#eef8f0);border:1px solid #cbdfe9}.export-status{font-size:14px}.mobile-nav{box-shadow:0 -7px 18px rgba(19,51,84,.09)}.mobile-nav a{font-size:14px}
@media(max-width:1080px){.topbar nav{gap:10px}.topbar nav a{font-size:12px}.brand strong{font-size:14px}}
@media(max-width:850px){.topbar nav a:not(.doc-link){display:none}.hero{grid-template-columns:1fr;gap:22px;padding-top:33px}.study-card{max-width:none}.study-card ol{display:grid;grid-template-columns:repeat(2,1fr);column-gap:15px}.stats{margin:0 22px}.practice-section{margin:25px 22px 28px}.section{padding:52px 0}.section.practice-section{padding:26px}}
@media(max-width:600px){.topbar{height:63px;padding:0 16px}.brand strong{font-size:14px}.hero{padding:28px 20px 22px}.hero h1{font-size:40px}.hero-copy{font-size:15px}.hero-actions{display:grid;grid-template-columns:1fr 1fr}.hero-actions .button{text-align:center;display:grid;place-items:center;font-size:13px;padding:10px}.study-card{display:none}.stats{margin:0 15px}.stats article{padding:12px 14px}.stats span{font-size:23px}.stats small{font-size:11px}.section{margin:0 17px;padding:46px 0}.section.practice-section{margin:20px 14px 30px;padding:21px 14px}.section-heading h2{font-size:31px}.quiz-panel{padding:18px}.quiz-shell{gap:12px}.quiz-rail{padding:16px}.filter{font-size:13px}.news-item{min-height:0}.mobile-nav{grid-template-columns:repeat(4,1fr)}.mobile-nav a{min-height:61px}.timeline-summary{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.news-item{transition:none}.button:hover,.news-item:hover{transform:none}}
.focus-builder{border-top:1px solid rgba(255,255,255,.25);padding-top:14px;margin-top:14px}.focus-builder summary{font-weight:800;font-size:14px;cursor:pointer;list-style-position:inside}.focus-builder label{display:grid;gap:5px;margin-top:12px;font-size:12px;font-weight:700;color:#e9f2f7}.focus-builder select{min-height:42px;border:1px solid #a5c4d3;border-radius:8px;background:#fff;color:#102a40;padding:8px;font:600 13px Manrope,sans-serif;width:100%}.focus-builder .button{margin-top:14px;width:100%}.focus-builder small{display:block;margin-top:8px;color:#d5e7ef;font-size:12px;line-height:1.5}.question-nav{display:flex;gap:9px;margin-top:20px}.question-nav .button{font-size:13px}.question-nav .button:disabled{opacity:.48;cursor:not-allowed}.question-grid{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:5px;margin-top:15px}.question-grid button{border:1px solid #c9d9e2;background:#f2f7fa;border-radius:5px;min-height:28px;cursor:pointer;color:#284b63;font:700 11px Manrope,sans-serif}.question-grid button.done{background:#ccece7;border-color:#72bdb3}.question-grid button.current{outline:2px solid #dcaa36;outline-offset:1px}.question-grid button:focus-visible{outline:3px solid #dcaa36;outline-offset:2px}.progress-dashboard{margin-top:20px;padding:22px;border-radius:14px;background:#fff;border:1px solid #d6e3eb}.progress-dashboard>p{color:var(--muted);margin:0;font-size:14px}.progress-heading{display:flex;align-items:end;justify-content:space-between;gap:10px}.progress-heading h3{font:700 25px Fraunces,serif;margin:0}.progress-heading>span{font-size:12px;color:var(--muted)}.progress-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}.progress-cards article{border-radius:9px;padding:15px;background:#eef7fa;display:grid;gap:4px}.progress-cards article:nth-child(2){background:#ecf7f0}.progress-cards article:nth-child(3){background:#fff3e5}.progress-cards b{font:700 24px Fraunces,serif;line-height:1.15}.progress-cards span{font-size:12px;color:#486074;font-weight:700}.progress-bars{display:grid;gap:11px;margin-top:20px}.progress-bars>div{display:grid;grid-template-columns:minmax(120px,220px) 1fr 40px;gap:10px;align-items:center;font-size:13px}.progress-bars strong{text-align:right}.progress-bar{height:9px;background:#e2edf1;border-radius:8px;overflow:hidden}.progress-bar i{height:100%;display:block;background:linear-gradient(90deg,#178d9e,#72c6aa);border-radius:8px}@media(max-width:600px){.question-grid{grid-template-columns:repeat(8,1fr)}.question-nav .button{flex:1;padding:9px;font-size:12px}.progress-heading{align-items:start;flex-direction:column}.progress-cards{grid-template-columns:1fr 1fr}.progress-cards article:last-child{grid-column:1/-1}.progress-bars>div{grid-template-columns:105px 1fr 32px;font-size:11px}.progress-cards b{font-size:20px}}
.flashcards-view{padding:8px 0 0}.card-toolbar{display:flex;align-items:end;gap:12px;flex-wrap:wrap;margin-bottom:16px}.card-toolbar label{display:grid;gap:5px;color:#355771;font-size:13px;font-weight:800;min-width:170px}.card-toolbar select{min-height:43px;border:1px solid #b9d1dd;border-radius:8px;padding:8px 11px;background:white;color:#153a55;font:600 14px Manrope,sans-serif}.card-toolbar>span{color:#47667a;font-size:13px;font-weight:800;margin-left:auto}.active-flashcard,.card-complete{background:#fff;border:1px solid #cfdee6;border-radius:16px;padding:clamp(20px,4vw,40px);min-height:275px;box-shadow:0 10px 25px rgba(12,55,86,.06)}.card-meta{display:flex;justify-content:space-between;gap:15px;color:#197682;text-transform:uppercase;letter-spacing:.06em;font-size:12px;font-weight:800}.active-flashcard h3{font:700 clamp(23px,3.1vw,32px)/1.2 Fraunces,serif;max-width:760px;margin:30px 0 25px}.card-hint{font-size:14px;color:#547080}.card-reveal{border-top:1px solid #d8e6ed;padding-top:16px;margin-top:15px}.card-reveal strong{color:#116d72;font-size:22px}.card-reveal p{font-size:14px;color:#566e7e}.card-reveal a{color:#6d4ca3;font-size:14px;font-weight:800}.card-grade{display:flex;gap:12px;margin-top:20px}.card-complete h3{font:700 27px Fraunces,serif}.card-complete p{font-size:15px;color:var(--muted)}@media(max-width:600px){.card-toolbar label{flex:1;min-width:140px}.card-toolbar>span{width:100%;margin:0}.card-grade .button{flex:1}.active-flashcard{min-height:300px}}
.story-note-toggle{border:0;background:transparent;padding:8px 0 0;margin-top:9px;color:#126f81;font:800 13px Manrope,sans-serif;cursor:pointer}.story-note-toggle:hover{text-decoration:underline}.story-note-preview{background:#edf8fa;border-left:3px solid #178c98;padding:8px 10px;border-radius:5px;font-size:13px;line-height:1.45;color:#304d5c;margin:9px 0 0;width:100%;white-space:pre-wrap}.story-note-editor{width:100%;margin-top:9px}.story-note-editor label{display:grid;gap:6px;color:#40586b;font-size:12px;font-weight:800}.story-note-editor textarea{resize:vertical;width:100%;border:1px solid #b9d0d8;border-radius:8px;padding:9px;font:500 14px Manrope,sans-serif}.story-note-editor small{font-size:11px;color:#657c89}
.desk-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.desk-category{grid-column:auto}.desk-backup{background:linear-gradient(145deg,#fff,#eef7fc)!important}.desk-backup .button{margin:3px 6px 4px 0}.backup-import{cursor:pointer}.desk-backup small{display:block;color:#4a6171;margin-top:8px;font-size:12px}@media(max-width:600px){.desk-grid{grid-template-columns:1fr}.desk-backup .button{width:100%;text-align:center}}
.coverage-panel{background:#fff;border:1px solid #cddfe6;border-radius:12px;padding:18px;margin-top:25px}.coverage-panel h3{font:700 23px Fraunces,serif;margin:0 0 5px}.coverage-panel p{font-size:13px;color:#536d7a;margin:0 0 12px}.coverage-scroll{overflow-x:auto}.coverage-scroll table{width:100%;min-width:685px;border-collapse:collapse;text-align:left;font-size:13px}.coverage-scroll th,.coverage-scroll td{border-top:1px solid #e2ecf0;padding:9px 10px}.coverage-scroll thead th{background:#e9f3f7;color:#19485e;font-size:12px}.coverage-scroll tbody th{font-weight:800;max-width:185px}.coverage-scroll td strong{color:#106c7c}.coverage-scroll td span{color:#596c77}
.source-incomplete{color:#a45327;background:#fff3e8;padding:5px 7px;border-radius:6px;font-weight:800}

.progress-dashboard[hidden],.story-note-preview[hidden]{display:none}.focus-builder{grid-column:1/-1}
.ai-copy-fallback{width:100%;min-height:10rem;margin-top:12px;padding:12px;border:1px solid #9db9c4;border-radius:9px;font:14px/1.45 Manrope,sans-serif;background:#fff;color:#18364b}.ai-copy-fallback[hidden]{display:none}