/* Common components across subjects and languages. */
:root{--aula-blue:#125d83;--aula-green:#216c50;--aula-pale-blue:#e6f1f8;--aula-pale-green:#e7f3eb;--aula-line:#afccc9}
.shared-study{padding:clamp(20px,4vw,38px);border:1px solid var(--aula-line);border-radius:22px;background:linear-gradient(135deg,#f4faf6,#eff6fb);margin:28px 0;color:#183e4d}
.shared-study>h2{font-size:clamp(28px,4vw,42px);color:var(--aula-blue);margin:8px 0 16px}
.shared-study h3{font-size:28px;color:var(--aula-blue)}
.study-tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;margin:28px 0}
.study-tabs button{display:flex;flex-direction:column;gap:10px;align-items:flex-start;text-align:left;min-height:120px;padding:16px 12px;border:1px solid var(--aula-line);border-radius:14px;background:#fff;color:var(--aula-blue);font:650 14px/1.4 system-ui;cursor:pointer}
.study-tabs button svg,.study-document svg,.study-facts svg{width:34px;height:34px;flex:none}
.study-tabs [aria-selected=true]{background:linear-gradient(125deg,#20764f,#0b608d);color:#fff;border-color:transparent;box-shadow:0 6px 18px #145a6920}
.study-tabs button:nth-child(2n):not([aria-selected=true]){background:var(--aula-pale-blue)}
.shared-study button:focus-visible,.shared-study summary:focus-visible,.shared-study [tabindex]:focus-visible{outline:3px solid #327fbd;outline-offset:4px}
#p1-panel{padding:clamp(16px,3vw,28px);background:white;border:1px solid var(--aula-line);border-radius:16px;line-height:1.8;scroll-margin-top:145px}
.study-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.study-facts>span{display:flex;align-items:center;gap:12px;background:var(--aula-pale-green);padding:16px;border-radius:12px;color:var(--aula-green);font-size:14px}
.study-facts>span:nth-child(2){background:var(--aula-pale-blue);color:var(--aula-blue)}
.study-example{border-left:5px solid #28885a;padding:18px 22px;background:#eef7f0;margin:24px 0}
.study-example h4{font-size:23px;margin:10px 0}
.study-label{display:block;font-weight:700;margin:25px 0 8px}
.shared-study textarea{width:100%;min-height:140px;border:1px solid #88abae;border-radius:10px;padding:14px;font:16px/1.65 system-ui;resize:vertical;background:#fcfefd;color:#173e50}
.shared-study details{border:1px solid #b8cfca;border-radius:12px;padding:18px;margin:14px 0;background:#fafdfb}
.shared-study summary{display:flex;gap:13px;align-items:center;cursor:pointer;font-weight:700;color:var(--aula-blue);list-style-position:inside}
.shared-study summary:after{content:'＋';margin-left:auto;color:var(--aula-green);font-size:22px}
.shared-study details[open]>summary:after{content:'−'}
.study-number{background:var(--aula-pale-blue);color:var(--aula-blue);font:700 22px system-ui;display:grid;place-items:center;width:44px;height:44px;border-radius:11px;flex:none}
.study-structure details:nth-child(2n) .study-number{background:#dcefe3;color:var(--aula-green)}
.shared-study blockquote{border-left:4px solid #367c9e;background:#edf5f9;padding:18px;margin:20px 0;font:20px/1.8 Georgia}
.study-document{display:flex;align-items:center;gap:15px;width:100%;padding:18px;margin:12px 0;text-align:left;border:1px solid #a6c5c1;background:linear-gradient(115deg,#edf7ef,#ecf4fc);border-radius:12px;color:var(--aula-blue);cursor:pointer;font:16px/1.5 system-ui}
.study-document span:nth-child(2){flex:1}.study-document small{display:block;font-size:13px;color:#45616b;margin-top:4px}
.study-source{font-size:13px;color:#4a6470;line-height:1.7}
.study-score{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:18px;border-radius:12px;background:linear-gradient(110deg,#e0efe4,#e0edf8);margin:20px 0}
.study-score span{background:white;border:1px solid #a6c7bd;padding:8px 12px;border-radius:9px;color:#166046;font-weight:700}
.study-score strong{color:var(--aula-blue);font-size:27px;margin-left:auto}
.shared-study select{display:block;width:100%;border:1px solid #8fb4b9;border-radius:10px;padding:14px;font:650 16px system-ui;background:#eaf5ef;color:#13566e}
.study-question mark{border-radius:4px;padding:3px 2px}.shared-source-documents{margin:18px 0;padding:15px;border:1px solid #b4cdc8;border-radius:12px}.shared-source-documents button{display:block;margin:12px 0;padding:12px;border:1px solid #a6c5c1;border-radius:9px;color:#155d7c;background:#edf7f3;cursor:pointer}
.module-links>a{position:relative;padding-left:62px!important;background:linear-gradient(125deg,#f5faf6,#eef5fb)}.module-links>a:before{content:'▤';position:absolute;left:18px;top:24px;font-size:27px;color:#197354}.module-links>a:nth-child(even):before{color:#15689a}
#p2-integrated .lab-top,.narr-study-header{border-bottom:3px solid transparent;border-image:linear-gradient(90deg,#22734f,#096c9b) 1}
@media(max-width:850px){.study-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.study-facts{grid-template-columns:1fr}.study-tabs button{min-height:100px}}
@media(max-width:480px){.study-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.shared-study{padding:15px}#p1-panel{padding:15px}.shared-study h3{font-size:24px}}
.embedded-sample{margin:20px 0 30px}.embedded-sample h4{font-size:24px;color:var(--aula-blue);margin:20px 0 8px}.sample-inline-viewer{display:block;width:100%;height:760px;max-height:85vh;min-height:480px;border:1px solid #93b6bf;border-radius:12px;background:#edf3f7}
.source-study{margin:24px 0;padding:20px;border:1px solid #acd0bb;border-radius:14px;background:linear-gradient(130deg,#f2faf4,#edf5fc)}.sample-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:#e5f0f8;padding:15px;border-radius:12px}.sample-toolbar select{width:auto}.sample-toolbar a{padding:12px;border-radius:9px;background:#216f52;color:white;font-weight:700}.sample-toolbar button{padding:12px;border:1px solid #8eafb7;border-radius:9px;color:#155d80;background:white;cursor:pointer}.sample-d-page-image{display:block;width:100%;height:auto;border:1px solid #b2c5cc;background:white;border-radius:10px}.sample-toolbar button:disabled{opacity:.45;cursor:default}