/* Additional learning surfaces retain the original navy / cobalt design language. */
.study-hero{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:34px 38px;background:#172754;color:#fff;border-radius:18px;margin:22px 0}.study-hero h1{font-family:var(--font-ui),sans-serif;font-size:clamp(25px,3vw,37px);letter-spacing:-1px;line-height:1.25;margin:12px 0}.study-hero p{color:#c9d3ec;line-height:1.7;max-width:740px;margin:12px 0}.study-hero .eyebrow{color:#a8bdff;font-size:10px;letter-spacing:2px}.study-hero .btn:not(.primary){background:transparent;border-color:#60739f;color:#fff}.study-hero-mark{font-size:70px;color:#6e8ff1;white-space:nowrap;font-family:monospace;opacity:.7}.study-hero-mark span{font-size:40px;color:#fff}.study-overview{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px;margin:20px 0}.study-overview .card{padding:23px}.study-overview small{font-size:10px;letter-spacing:1px;color:#687791}.study-overview strong{display:block;font-size:32px;margin:12px 0;color:#172754}.study-overview strong span{font-size:13px;font-weight:500;color:#687791}.study-overview p{font-size:12px;line-height:1.6;color:#687791}.study-tracks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin:24px 0 32px}.study-track{padding:22px 18px;position:relative;min-width:0}.study-track.selected{border-color:#5877ea;box-shadow:0 0 0 1px #5877ea}.study-track-no{display:block;font-size:28px;font-weight:800;color:#bac8ed;margin-bottom:12px}.study-track .status{font-size:10px;white-space:normal}.study-track h3{font-size:17px;line-height:1.45;margin:14px 0 10px}.study-track p{font-size:12px;line-height:1.6;color:#687791;min-height:40px}.study-track .btn{font-size:11px;padding:8px 10px}.study-filter{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}.study-filter .search-input{flex:1;min-width:210px}.study-module-list{display:grid;gap:14px}.study-module summary{display:flex;align-items:center;gap:17px;padding:23px;cursor:pointer;list-style:none}.study-module-symbol{background:#edf1ff;color:#4f6fe3;border-radius:12px;font-size:14px;font-weight:800;min-width:66px;text-align:center;padding:17px 10px}.study-module summary b{font-size:17px}.study-module summary small{display:block;color:#687791;margin-top:7px;font-size:12px}.study-module-meta{margin-left:auto;text-align:right;font-size:11px;color:#687791;line-height:1.9}.study-lesson-list{border-top:1px solid #e6ebf3}.study-lesson-row{display:flex;align-items:center;gap:14px;padding:16px 22px;border-bottom:1px solid #edf0f5}.study-lesson-row:last-child{border-bottom:0}.study-lesson-number{font-size:11px;font-weight:700;color:#8494b5;min-width:48px}.study-lesson-info{flex:1;min-width:0}.study-lesson-info b{font-size:13px}.study-lesson-info small{display:block;margin-top:7px;font-size:11px;color:#8490a6}.study-lesson-row .btn{padding:7px 12px;font-size:11px}.study-lesson-row .status{font-size:10px}.study-source{margin:22px 0;color:#7a869d;font-size:12px;line-height:1.8}.study-reader-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:22px 0 18px;color:#72809c;font-size:12px}.study-reader-layout{display:grid;grid-template-columns:228px minmax(0,1fr);gap:20px;align-items:start}.study-reader-sidebar{padding:22px 14px;position:sticky;top:18px}.study-reader-sidebar h3{font-size:16px;margin:12px 8px 20px;line-height:1.5}.study-reader-sidebar .study-kicker{margin-left:8px}.study-reader-sidebar button{display:flex;gap:10px;width:100%;border:0;padding:12px 10px;background:transparent;border-radius:8px;font:inherit;font-size:11px;line-height:1.5;color:#687791;text-align:left;cursor:pointer}.study-reader-sidebar button span{font-size:10px;color:#8c9cbd;flex-shrink:0}.study-reader-sidebar button.active{background:#eef2ff;color:#3b5ed0;font-weight:700}.study-reader{overflow:hidden}.study-reader-heading{display:flex;justify-content:space-between;gap:10px;padding:21px 27px 8px}.study-tabs{display:flex;gap:18px;border-bottom:1px solid #e4e9f3;padding:10px 27px 0;overflow-x:auto}.study-tabs button{border:0;background:transparent;font:inherit;font-size:12px;color:#7d89a0;padding:14px 0;cursor:pointer;white-space:nowrap}.study-tabs button.active{color:#3f63d8;border-bottom:2px solid #4f6fe3;font-weight:700}.study-reader-body{padding:31px 34px;min-height:380px;color:#40516d;font-size:14px;line-height:1.9}.study-reader-body h2{font-family:var(--font-ui),sans-serif;font-size:25px;line-height:1.45;color:#172754;margin:10px 0 22px}.study-reader-body h3{font-size:15px;color:#172754;margin:24px 0 12px}.study-lead{font-size:15px;line-height:1.95}.study-kicker{font-size:10px;letter-spacing:1.5px;font-weight:700;color:#5877ea}.study-objectives{padding-left:20px;line-height:2}.study-question{margin:25px 0;padding:22px 24px;border-radius:12px;background:#f5f7ff;border-left:3px solid #6b87eb}.study-question p{margin:8px 0}.study-reader-footer{padding:20px 30px;border-top:1px solid #e5eaf4;display:flex;justify-content:space-between;align-items:center;gap:10px}.study-trace{background:#f7f9fe;border:1px solid #e3e9f5;border-radius:14px;padding:24px;margin:22px 0}.study-trace-counter{font-size:11px;color:#8494b5;margin-bottom:18px}.study-trace-step{display:flex;gap:16px;padding:14px 0;opacity:.6}.study-trace-step.current{opacity:1}.study-trace-step span{width:27px;height:27px;flex-shrink:0;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#e1e8fc;color:#4f6fe3;font-size:12px;font-weight:700}.study-trace-step p{margin:0}.study-lab{padding:18px 24px;border:1px solid #e0e7f4;border-radius:12px}.study-lab input{width:70px;border:1px solid #dce2ee;border-radius:7px;padding:8px;color:#172754}.study-quiz-options{display:grid;gap:10px;margin:24px 0}.study-quiz-options label{display:flex;align-items:center;gap:12px;padding:16px 18px;border:1px solid #dfe6f1;border-radius:10px;cursor:pointer;font-size:13px;line-height:1.6}.study-quiz-options label:has(input:checked){border-color:#5877ea;background:#f3f6ff}.study-quiz-options label span{font-weight:700;color:#6b7da2}.study-quiz-options input{accent-color:#5877ea}.study-feedback{margin-top:22px;padding:18px 22px;border-radius:10px;background:#edf7f2;color:#28684f;line-height:1.8}.study-feedback.retry{background:#fff7e9;color:#85622a}.study-feedback p{margin:8px 0}.study-sample-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.study-sample-grid small{font-size:10px;color:#8794ad;letter-spacing:1px}.study-profile-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin:23px 0}.study-profile{display:block;text-align:left;padding:22px;border:1px solid #e1e7f1;cursor:pointer;font:inherit;background:#fff;color:#172754}.study-profile.selected{border-color:#5877ea;box-shadow:0 0 0 1px #5877ea}.study-profile h3{font-size:15px;margin:17px 0 10px;line-height:1.5}.study-profile p{font-size:12px;line-height:1.75;color:#74809a}.study-profile .status{font-size:9px;white-space:normal}.study-prep-columns{display:grid;grid-template-columns:1fr 1fr;gap:30px}.study-prep-columns h3{margin-bottom:13px}.study-prep-columns p{font-size:13px;line-height:1.8;color:#71809b}.study-prep-columns .flow-links{margin-top:18px}.study-prep-columns .flow-links .btn{font-size:11px;white-space:normal;text-align:left}.study-exam-submit{display:flex;justify-content:center;gap:12px;padding:28px;position:sticky;bottom:0;background:#f7f9fdec;border-top:1px solid #e1e6f0;backdrop-filter:blur(12px)}.study-result{padding:20px 0;border-bottom:1px solid #e4e9f2}.study-result summary{cursor:pointer;font-size:13px;line-height:1.8}.study-result p{margin:13px 0;color:#687791;font-size:13px;line-height:1.8}.study-review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.study-review-item{padding:22px;background:#f8faff;border:1px solid #e6ecf7;border-radius:12px}.study-review-item small{color:#8092b7}.study-review-item h3{margin:10px 0;font-size:15px}.study-review-item p{font-size:12px;line-height:1.8;color:#72819b}.study-library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.study-source-card{padding:24px}.study-source-card h3{font-size:16px;line-height:1.6;margin:17px 0 12px}.study-source-card p{font-size:12px;line-height:1.8;color:#687791}.study-source-card>small{font-size:11px;color:#8794ad;line-height:1.8}.study-source-tags{display:flex;gap:6px;flex-wrap:wrap}.study-source-caution{background:#f7f9fd;border-radius:9px;padding:14px;margin:18px 0}.study-source-caution b{font-size:11px;color:#61769d}.study-source-caution small{font-size:11px;color:#8b96aa}.study-session-banner{background:#eef2ff;border:1px solid #dbe3ff;border-radius:9px;padding:12px 18px;margin:14px 0;font-size:12px;display:flex;justify-content:space-between;align-items:center}.study-session-banner .btn{padding:6px 10px;font-size:11px}.study-profile:focus-visible,.study-tabs button:focus-visible,.study-reader-sidebar button:focus-visible{outline:3px solid #a7b9f7;outline-offset:3px}
@media(max-width:1150px){.study-tracks,.study-profile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.study-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.study-reader-layout{grid-template-columns:190px minmax(0,1fr)}.study-reader-body{padding:26px}.study-review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.study-hero{padding:26px 24px}.study-hero-mark{display:none}.study-overview{grid-template-columns:1fr}.study-overview .card{padding:18px}.study-tracks,.study-profile-grid,.study-prep-columns,.study-review-grid,.study-library-grid{grid-template-columns:1fr}.study-reader-layout{grid-template-columns:1fr}.study-reader-sidebar{position:static;display:none}.study-reader-body{padding:22px}.study-reader-heading{padding:20px 20px 8px;flex-wrap:wrap}.study-tabs{padding:5px 20px 0;gap:16px}.study-reader-top>span{display:none}.study-lesson-row{padding:15px 13px;gap:9px;flex-wrap:wrap}.study-lesson-info{min-width:150px}.study-lesson-row>.status{display:none}.study-module summary{padding:17px 14px;gap:10px}.study-module summary b{font-size:14px}.study-module-meta{font-size:10px;min-width:75px}.study-module-symbol{min-width:52px;font-size:12px;padding:14px 6px}.study-module summary small{font-size:10px}.study-sample-grid{grid-template-columns:1fr}.study-reader-footer{padding:17px;flex-wrap:wrap}.study-reader-body h2{font-size:22px}.study-exam-submit{padding:15px;flex-wrap:wrap}}