@import url('styles.css');
:root{--ink:#15283f;--gold:#ad8245;--line:#dbe3eb;--muted:#5e7083}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5f7fa;color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.7}#reading-progress{position:fixed;top:0;left:0;height:4px;width:0%;background:var(--gold);z-index:20;transition:width .1s}.lecture-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px min(5vw,90px);background:#0d192d;color:#cdd6e4;font-size:11px;font-weight:750;letter-spacing:.09em}.lecture-top a{color:#f5f5f5;text-decoration:none}.lecture-top a:hover{color:#dcb97e}.lecture-hero{background:radial-gradient(circle at 78% 50%,#24425f 0,#111f36 60%,#0a172b 100%);color:white;padding:74px max(6vw,28px) 66px}.hero-overline,.section-eyebrow{color:#c49a59;font-size:12px;font-weight:800;letter-spacing:.17em}.lecture-hero h1{max-width:1080px;font-family:Georgia,serif;font-weight:500;font-size:clamp(43px,6vw,83px);line-height:1.09;letter-spacing:-.035em;margin:24px 0}.lecture-hero h1 i{font-weight:400;color:#d3dbe6}.lecture-hero p{color:#c7d3df;font-size:18px;max-width:800px}.gold{color:#b78b45}.hero-math{font-size:20px;margin:24px 0;color:#ebedf5;overflow-x:auto}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.action{display:inline-block;appearance:none;border:1px solid #becbd8;background:#fff;color:#142b43!important;font:700 13px system-ui,sans-serif;padding:12px 17px;border-radius:8px;text-decoration:none;cursor:pointer;line-height:1.45}.action:hover{border-color:var(--gold);box-shadow:0 5px 16px #15283f14}.action.primary{background:#b78b45;color:white!important;border-color:#b78b45}.action:disabled{opacity:.5;cursor:not-allowed}.reading-layout{display:grid;grid-template-columns:275px minmax(0,1fr);max-width:1520px;margin:auto;gap:35px;padding:42px 34px}.reading-nav{position:sticky;top:28px;align-self:start;padding:22px 20px;background:#fff;border:1px solid var(--line);border-radius:12px;max-height:calc(100vh - 56px);overflow:auto}.reading-nav strong{font-size:11px;letter-spacing:.12em;color:var(--gold);display:block;margin-bottom:17px}.reading-nav a{display:block;text-decoration:none;color:#3d526c;font-size:12px;padding:7px 5px;border-radius:4px}.reading-nav a:hover{background:#f2f5f8;color:#0c2038}.reading-main{min-width:0}.reader-intro{padding:27px 32px;background:#fff;border:1px solid var(--line);border-bottom:0;border-radius:12px 12px 0 0}.reader-intro span{font-size:11px;font-weight:800;color:var(--gold);letter-spacing:.13em}.reader-intro h2{font-family:Georgia,serif;font-size:36px;font-weight:500;margin:9px 0}.reader-intro p{max-width:800px;margin:0;color:#667689}.lecture-prose{padding:25px min(6vw,70px) 55px;background:#fff;border:1px solid var(--line);border-radius:0 0 12px 12px;font-family:Georgia,"Noto Serif",serif;font-size:16px;line-height:1.87;overflow-wrap:break-word}.lecture-prose h1{font:650 28px/1.3 system-ui,sans-serif;color:#102b46;margin:48px 0 16px;padding-top:12px;border-top:1px solid var(--line)}.lecture-prose h2{font:650 21px/1.4 system-ui,sans-serif;color:#1e4667;margin:30px 0 12px}.lecture-prose p{margin:11px 0}.lecture-prose ol,.lecture-prose ul{padding-left:26px}.lecture-prose .theoremBox,.lecture-prose .warnBox{padding:18px 23px;margin:22px 0;background:#f2f7fa;border:1px solid #cadbe8;border-left:4px solid #315e82;border-radius:8px}.lecture-prose .warnBox{background:#fffaf1;border-color:#f0d8b3;border-left-color:var(--gold)}.lecture-prose .theoremBox>p:first-child,.lecture-prose .warnBox>p:first-child{font-family:system-ui,sans-serif;font-weight:700}.lecture-prose .math.display{display:block;overflow-x:auto;padding:7px 0}.lecture-prose hr{border:0;border-top:1px solid #dde4eb;margin:23px 0}.interact-section{margin-top:38px;padding:34px min(5vw,60px);background:#fff;border:1px solid var(--line);border-radius:12px}.interact-section h2{font-family:Georgia,serif;font-size:clamp(29px,3vw,38px);font-weight:500;margin:8px 0 8px}.interact-section>p{color:#667689;margin:0 0 25px}.problem-card{padding:25px;border:1px solid var(--line);border-radius:11px;margin-top:17px;background:linear-gradient(125deg,#fff,#fafbfd)}.exercise-label,.step-tag{font:800 11px system-ui,sans-serif;color:#ae8242;letter-spacing:.07em}.problem-card h3{margin:10px 0 0;font:650 20px system-ui,sans-serif}.problem-card .eq{font-size:19px;overflow-x:auto}.step{padding:16px 18px;border-left:3px solid #ab8353;background:#f5f8fb;margin-top:12px;border-radius:3px 10px 10px 3px}.step-math{font-size:17px;overflow-x:auto}.step p{color:#4f6276;margin:7px 0 1px}.problem-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:18px}.step-counter{color:#778798;font-size:12px;margin-left:auto}.lab-controls{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:18px;margin-bottom:22px}.lab-controls label{background:#f3f6fa;border-radius:8px;padding:16px;display:flex;flex-direction:column;gap:11px;font-size:13px;font-weight:700}.lab-controls select{padding:10px 8px;border:1px solid #d6e0e7;border-radius:7px;max-width:100%;background:white}.lab-controls input{width:100%;accent-color:#aa844c}.lab-panel{border:1px solid #dce5ed;padding:18px;border-radius:10px;background:#fff}.lab-top{display:flex;justify-content:space-between;gap:12px;align-items:center;font-weight:750;color:#23405f}.badge{background:#e2f3ed;color:#1b775d;padding:7px 13px;border-radius:99px;font-size:12px}.badge[data-status="divergente"]{background:#f9e7e4;color:#944b3a}.badge[data-status="kushtore"]{background:#fff1d9;color:#876011}#power-chart{display:block;width:100%;margin:10px 0;overflow:visible}.lab-result{display:flex;gap:30px}.lab-result>div{display:flex;flex-direction:column}.lab-result small{color:#607487;font-size:10px;font-weight:750;letter-spacing:.07em}.lab-result strong{font-size:20px}.lab-panel>p{color:#5a6b7e;margin:15px 0 0}.theory-warning{border-left:3px solid #bd965e;padding:12px 17px;background:#fff9f0;color:#705a38!important;margin-top:18px!important}.question{border:1px solid #dce4ec;margin:18px 0;border-radius:8px;padding:16px}.question legend{font-weight:750;padding:0 9px;color:#203b57}.question label{display:flex;align-items:center;gap:8px;padding:8px;font-size:14px;color:#485d72;cursor:pointer}.answer-feedback{display:none;font-size:13px;padding:8px 12px;background:#f4f8fb}.answer-feedback.show{display:block}.pdf-stack{display:grid;grid-template-columns:1fr 1fr;gap:13px}.pdf-tile{padding:22px;text-decoration:none;border:1px solid var(--line);border-radius:10px;color:#183858;display:flex;flex-direction:column;gap:12px}.pdf-tile span{font-size:11px;font-weight:800;color:#a97c3c;letter-spacing:.12em}.pdf-tile strong{font-size:19px;line-height:1.3}.pdf-tile em{font-size:12px;color:#63788c;font-style:normal}.pdf-tile:hover{border-color:#b89159;background:#fcfbf8}#score-03{margin:15px 0;font-weight:700;color:#2d5c83}@media(max-width:1000px){.reading-layout{grid-template-columns:1fr}.reading-nav{position:static;max-height:240px}.lab-controls{grid-template-columns:1fr 1fr}.lecture-prose{padding:28px}.lecture-top{font-size:10px}.lecture-top span{display:none}}@media(max-width:600px){.reading-layout{padding:15px;gap:15px}.lecture-hero{padding:48px 18px}.reader-intro{padding:22px}.lecture-prose{padding:18px}.interact-section{padding:20px}.lab-controls,.pdf-stack{grid-template-columns:1fr}.lab-top{flex-direction:column;align-items:flex-start}.problem-card{padding:17px}.step-counter{width:100%}}

/* Figures and parameter laboratory: version final */
.math-figure{margin:1.5rem 0 2rem;padding:1rem 1.25rem;border:1px solid #dce4ec;border-radius:12px;background:#fff;}
.math-figure img{display:block;width:100%;height:auto;object-fit:contain;}
.math-figure figcaption{font-size:.82rem;line-height:1.55;color:#566b80;margin-top:.7rem;}
#parameter-control{display:none;flex-direction:column;gap:.35rem;}
#parameter-control input{width:100%;}
@media(max-width:700px){.math-figure{padding:.45rem;}}

/* Autorësia akademike e kapitullit */
.lecture-author{max-width:740px;margin:14px 0 18px;padding:12px 16px;border-left:3px solid #c99e58;background:rgba(255,255,255,.08);font-size:14px;line-height:1.7;}
.lecture-author strong{font-weight:700;}
.lecture-author small{display:block;font-size:12px;opacity:.85;}
.lecture-author-footer{padding:24px 16px;text-align:center;background:#101d32;color:#e0e6ef;font-size:12px;line-height:1.6;}