@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(assets/font-0.ttf) format('truetype');
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(assets/font-1.ttf) format('truetype');
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(assets/font-2.ttf) format('truetype');
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(assets/font-3.ttf) format('truetype');
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(assets/font-4.ttf) format('truetype');
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(assets/font-5.ttf) format('truetype');
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(assets/font-6.ttf) format('truetype');
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(assets/font-7.ttf) format('truetype');
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(assets/font-8.ttf) format('truetype');
}

:root{--bg:#f6f7f9;--ink:#172c2c;--muted:#7a8688;--green:#166d58;--mint:#e8f3e9;--line:#e7eceb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px 'DM Sans',sans-serif}button,input{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #8cd3b0;outline-offset:4px}button{border:0}aside{width:238px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:36px 23px;z-index:5}.logo{font:800 25px Manrope,sans-serif;letter-spacing:-1px;display:flex;align-items:center;gap:10px}.logo b{display:grid;place-items:center;width:35px;height:35px;background:#176d58;color:white;border-radius:10px;font:italic 700 27px Georgia}.logo span{color:#218369}.side-label{font-size:10px;letter-spacing:1.6px;font-weight:700;color:#9aa3a4;margin:45px 15px 15px}.nav{display:flex;flex-direction:column;gap:7px}.nav button{display:flex;align-items:center;text-align:left;gap:13px;background:transparent;padding:13px 15px;color:#788383;border-radius:9px;font-weight:550}.nav button.active{background:#eaf3ef;color:#166d58}.ico{display:inline-grid;place-items:center;width:20px;font-size:20px;line-height:1}.badge{margin-left:auto;font-size:11px;padding:2px 7px;background:#f0f2f3;border-radius:5px}.side-bottom{margin-top:auto}.help{padding:20px 16px;background:#f5f8f6;border:1px solid #eaf0eb;border-radius:12px;margin-bottom:24px}.help strong{display:block;margin:12px 0 7px;font-size:13px}.help p{font-size:12px;line-height:1.6;color:var(--muted)}.help button{background:transparent;padding:0;font-size:12px;color:var(--green);font-weight:700}.profile{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:22px}.avatar{width:35px;height:35px;border-radius:50%;background:#f3e9dc;display:grid;place-items:center;font-size:12px;font-weight:700;color:#946e40}.profile small{display:block;color:#929c9d;font-size:11px;margin-top:3px}.workspace{margin-left:238px}header{height:88px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 42px;background:#fff}header p{font-size:13px;color:#7b8787}header p span{color:#263e3c}.top-right{display:flex;gap:22px;align-items:center}.search{background:#f6f7f8;border:1px solid #edf0ef;padding:10px 14px;border-radius:8px;display:flex;align-items:center;gap:10px}.search input{border:0;background:transparent;width:172px;font-size:12px;outline:none}.key{font-size:10px;border:1px solid #dfe4e2;border-radius:4px;padding:2px 4px;color:#9aa4a2}.bell{background:none;color:#75817e;font-size:20px}main{max-width:1450px;padding:37px 42px 32px;margin:auto}.intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}h1{font:750 30px Manrope,sans-serif;letter-spacing:-1.1px;margin:0 0 9px}.intro p{color:var(--muted);margin:0;font-size:13px}.date{font-size:12px;color:#7e8a87;display:flex;gap:9px;align-items:center}.layout{display:grid;grid-template-columns:minmax(0,1fr) 281px;gap:27px}.hero{background:#e8f0e8;border:1px solid #dce8dd;border-radius:15px;padding:30px 31px;position:relative;overflow:hidden;min-height:238px}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:700;color:#477263;display:flex;align-items:center;gap:7px}.dot{width:6px;height:6px;border-radius:50%;background:#4f9274}.hero h2{font:750 26px/1.35 Manrope,sans-serif;letter-spacing:-.8px;margin:17px 0 10px;max-width:330px}.hero p{font-size:12px;color:#738477;line-height:1.7;margin:0;max-width:285px}.hero-bottom{display:flex;align-items:center;gap:18px;margin-top:23px}.primary{background:var(--green);color:white;padding:12px 17px;border-radius:7px;font-size:12px;font-weight:600}.primary:hover{background:#0d5847}.hero-bottom span{font-size:11px;color:#718375}.hero-graph{position:absolute;width:270px;height:220px;right:5px;top:16px;opacity:.95}.graph-label{font:italic 21px Georgia;fill:#457b68}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:20px 0 31px}.stat{background:white;border:1px solid var(--line);border-radius:11px;padding:17px;display:flex;align-items:center;gap:12px}.stat-icon{background:#f3f6f4;border-radius:9px;display:grid;place-items:center;width:39px;height:39px;color:#4c816d;font-size:20px}.stat:nth-child(2) .stat-icon{background:#fff5e9;color:#c4954b}.stat:nth-child(3) .stat-icon{background:#eef0fb;color:#7b7ba8}.stat strong{font:750 20px Manrope;letter-spacing:-.5px}.stat small{color:#89938f;display:block;font-size:10px;margin-top:3px}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.section-head h2{font:750 19px Manrope;letter-spacing:-.5px;margin:0}.text-btn{background:none;color:var(--green);font-size:11px;font-weight:650;padding:4px}.tabs{display:flex;gap:6px;background:#ecefed;padding:4px;border-radius:8px}.tabs button{font-size:10px;background:transparent;color:#819089;padding:7px 11px;border-radius:5px}.tabs button.selected{background:white;color:#244e40;box-shadow:0 1px 4px #142a1810}.course-list{display:grid;grid-template-columns:1fr 1fr;gap:17px}.course{background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden}.course-art{height:114px;background:#eef0fc;position:relative;padding:20px}.course-art.algebra{background:#faf1e3}.course-type{font-size:9px;background:#ffffffb8;padding:5px 8px;border-radius:5px;letter-spacing:.7px;font-weight:700;color:#7c7da2}.formula{font:italic 36px Georgia;text-align:center;margin-top:10px;color:#7377a3;letter-spacing:2px}.algebra .formula{color:#ad8e60;font-size:31px}.course-content{padding:18px}.course-content h3{font:700 15px Manrope;margin:0 0 7px}.course-content p{font-size:11px;color:#8c9593;margin:0 0 20px}.progress-meta{display:flex;justify-content:space-between;font-size:10px;color:#8b9691}.progress-meta b{color:#587166;font-weight:600}.track{height:5px;background:#edf1ee;border-radius:10px;overflow:hidden;margin:9px 0 17px}.track i{display:block;background:#5c9276;width:0;height:100%;border-radius:10px}.course-footer{border-top:1px solid #f0f2f0;padding-top:13px;display:flex;align-items:center;justify-content:space-between}.course-footer span{font-size:10px;color:#8a9690}.course-footer button{background:none;color:#2f6853;font-size:11px;font-weight:650}.practice{display:flex;justify-content:space-between;align-items:center;padding:20px 22px;border:1px solid var(--line);background:white;border-radius:11px;margin-top:22px}.practice h3{font:700 13px Manrope;margin:0 0 6px}.practice p{font-size:11px;color:#8a9691;margin:0}.outline{padding:10px 14px;border:1px solid #dfe7e1;background:white;border-radius:7px;color:#426452;font-size:11px}.right-card{background:white;border:1px solid var(--line);border-radius:13px;padding:23px 20px;margin-bottom:20px}.right-card h3{font:700 14px Manrope;margin:0}.goal-heading{display:flex;align-items:center;justify-content:space-between}.goal-heading span{font-size:10px;color:#a1aaa6}.ring{width:142px;height:142px;border-radius:50%;background:conic-gradient(#639577 0deg 216deg,#edf2ee 216deg);margin:23px auto 19px;display:grid;place-items:center;transform:rotate(-90deg)}.ring-inner{width:121px;height:121px;border-radius:50%;background:white;display:flex;align-items:center;justify-content:center;flex-direction:column;transform:rotate(90deg)}.ring-inner strong{font:750 28px Manrope;letter-spacing:-1px}.ring-inner small{font-size:10px;color:#919b96;margin-top:4px}.encouragement{text-align:center;font-size:11px;line-height:1.7;color:#8b9790}.encouragement b{display:block;color:#43614f;font-weight:550}.week{display:flex;justify-content:space-between;margin-top:22px;border-top:1px solid #f0f2f0;padding-top:18px}.day{text-align:center;font-size:9px;color:#929e97}.day i{display:grid;place-items:center;font-style:normal;margin-top:8px;width:23px;height:23px;border-radius:50%;background:#f3f5f3;font-size:11px;color:#a7b2aa}.day.done i{background:#e7f1e9;color:#4e8964}.day.today i{background:#659879;color:white}.roadmap{margin-top:20px}.step{position:relative;padding:0 0 23px 31px}.step:before{content:'';position:absolute;left:8px;top:18px;bottom:0;width:1px;background:#e7ece8}.step:last-child:before{display:none}.step-icon{position:absolute;left:0;top:0;width:18px;height:18px;border:1px solid #dce5df;border-radius:50%;display:grid;place-items:center;font-size:9px;background:white;color:#82998a}.step.done .step-icon{background:#e7f1ea;border:0;color:#5b8d6b}.step.current .step-icon{background:#256f54;color:white;border:4px solid #e3efe7}.step strong{font-size:11px;font-weight:550;display:block;padding-top:2px}.step small{font-size:10px;color:#9ba49e;display:block;margin-top:5px}.step.current strong{color:#216b50}.tip{padding:18px 19px;background:#f1f0ea;border:1px solid #e8e7df;border-radius:11px}.tip h3{font-size:12px;font-weight:600;margin:0 0 10px}.tip p{font-size:11px;color:#8a8b7b;line-height:1.8;margin:0}.footer{display:flex;justify-content:space-between;color:#a1aaa5;font-size:10px;padding:25px 0 0}.modal-backdrop{position:fixed;inset:0;background:#142c295c;backdrop-filter:blur(5px);z-index:20;display:none;place-items:center;padding:20px}.modal-backdrop.open{display:grid}.modal{width:min(720px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:20px;padding:32px;position:relative;box-shadow:0 30px 120px #132c2940}.close{position:absolute;right:20px;top:17px;background:#f2f5f2;border-radius:50%;width:30px;height:30px;color:#6d7c74}.modal h2{font:750 24px Manrope;margin:15px 0}.modal p{font-size:13px;line-height:1.8;color:#76867d}.lesson-formula{background:#eef4ef;border-radius:12px;text-align:center;padding:26px;font:italic 29px Georgia;margin:20px 0;color:#356a50}.lesson-formula .series-math{display:block;margin:auto;max-width:100%;font-size:1em}.answers{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.answer{padding:16px;border:1px solid #dfe7e1;border-radius:8px;background:#fff;color:#456452;font:20px Georgia}.answer:hover{background:#edf4ee}.feedback{padding:14px;border-radius:8px;margin-top:15px;font-size:13px;line-height:1.7}.feedback.good{background:#e6f3e8;color:#2b734b}.feedback.bad{background:#fff1e9;color:#9f6945}.modal-actions{display:flex;justify-content:space-between;align-items:center;margin-top:22px}.lesson-grid{display:flex;flex-direction:column;gap:9px}.lesson-row{padding:16px;background:#f7f9f7;border:1px solid #e7ece7;border-radius:9px;display:flex;justify-content:space-between;align-items:center;gap:15px}.lesson-row button{background:var(--green);color:white;padding:8px 12px;border-radius:6px;font-size:11px}.lesson-row small{display:block;color:#8a968e;margin-top:5px}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#254e3c;color:white;border-radius:10px;padding:14px 22px;z-index:30;box-shadow:0 8px 30px #1232;font-size:13px;display:none}.mobile-menu{display:none}.hint{font-size:12px;color:#718475;background:#f8f6ed;padding:14px;border-radius:8px;margin-top:14px}.empty{text-align:center;color:#8a968f;grid-column:1/-1;padding:30px}svg{overflow:visible}@media(min-width:1600px){main{padding-top:45px}.hero{min-height:260px}.hero-graph{right:25px;width:300px}.course-art{height:140px}}@media(max-width:1200px){aside{width:205px;padding:28px 17px}.workspace{margin-left:205px}header{padding:0 28px}main{padding:30px 28px}.layout{grid-template-columns:minmax(0,1fr) 250px;gap:20px}.hero-graph{opacity:.4;right:-75px}.hero h2,.hero p,.hero-bottom,.eyebrow{position:relative;z-index:1}.stats{gap:8px}.stat{padding:13px;gap:8px}.stat-icon{width:30px;height:34px}}@media(max-width:1000px){.layout{grid-template-columns:1fr}.right{display:grid;grid-template-columns:1fr 1fr;gap:20px}.right-card{margin:0}.tip{grid-column:1/-1}.hero-graph{opacity:1;right:20px}.date{display:none}.search input{width:140px}.stats{gap:15px}}@media(max-width:700px){aside{width:72px;padding:24px 12px}.logo{justify-content:center}.logo>div,.side-label,.nav button>span:not(.ico),.badge,.help,.profile>div:not(.avatar){display:none}.nav{margin-top:30px}.nav button{justify-content:center;padding:12px}.profile{justify-content:center}.workspace{margin-left:72px}header{height:70px;padding:0 18px}header p{font-size:11px}.search{display:none}.top-right{gap:12px}main{padding:25px 17px}.intro h1{font-size:25px}.intro p{font-size:11px}.hero{padding:24px;min-height:260px}.hero h2{font-size:24px;max-width:240px}.hero-graph{right:-95px;opacity:.35}.hero-bottom{gap:10px}.hero-bottom span{font-size:9px}.stats{gap:7px;margin-bottom:25px}.stat{padding:12px 8px;display:block}.stat-icon{display:none}.stat strong{font-size:19px}.stat small{font-size:9px}.section-head{gap:10px;align-items:flex-start}.section-head h2{font-size:17px;padding-top:6px}.tabs button{padding:7px;font-size:9px}.course-list{grid-template-columns:1fr}.course-art{height:110px}.right{grid-template-columns:1fr}.tip{grid-column:auto}.practice{gap:12px;padding:17px}.practice h3{font-size:12px}.practice p{font-size:10px}.outline{flex-shrink:0;font-size:10px}.footer{font-size:8px;gap:12px}.modal{padding:26px 20px}.modal h2{font-size:21px}}

[hidden]{display:none!important}.numeric-answer{width:100%;padding:14px;border:1px solid #dfe7e1;border-radius:8px;margin-bottom:10px}.modal .track{height:7px}.modal button:disabled{cursor:default;opacity:.4}.row-actions{display:flex;gap:9px;flex-wrap:wrap}.progress-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}

/* Navigation multipage : mêmes styles que le mockup. */
.nav a{display:flex;align-items:center;text-align:left;gap:13px;background:transparent;padding:13px 15px;color:#788383;border-radius:9px;font-weight:550;text-decoration:none}.nav a.active{background:#eaf3ef;color:#166d58}.nav a:hover{background:#f3f7f4}.page-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:27px;margin:20px 0}.page-card>h2{font:750 24px Manrope;margin:15px 0}.page-card>p{font-size:13px;line-height:1.8;color:#76867d}.page-card button:disabled{cursor:default;opacity:.4}.page-card .track{height:7px}.practice-hero{min-height:210px}.page-card:focus{outline:none}.session-toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:20px}.session-toolbar a{color:var(--green);font-size:12px}.page-card h2{scroll-margin-top:25px}@media(max-width:700px){.nav a{justify-content:center;padding:12px}.nav a>span:not(.ico){display:none}.page-card{padding:20px 17px}.page-card>h2{font-size:21px}}
.profile{text-decoration:none;color:inherit}.profile-card{max-width:760px;padding:30px}.profile-form{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}.profile-form label{display:block;font-size:12px;font-weight:700;color:#52625a;margin-top:8px}.profile-form label span{font-weight:400;color:#89948d}.profile-form input{display:block;width:100%;min-width:0;padding:13px 14px;border:1px solid #dfe7e1;border-radius:8px;background:#fff;color:var(--ink)}.profile-form input::placeholder{color:#a0aaa4}.profile-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.profile-note{font-size:12px;line-height:1.6;color:var(--muted);margin:6px 0 0}
.modal{width:min(860px,100%)}.lesson-intro{font-size:15px!important;line-height:1.8!important;color:#50645a!important}.lesson-reading{display:grid;gap:13px;margin:18px 0 6px}.lesson-section{padding:17px 19px;background:#f7f9f7;border:1px solid #e8eeea;border-radius:10px}.lesson-section h3{font:700 14px Manrope,sans-serif;color:#294c3d;margin:0 0 8px}.lesson-section p{font-size:13px!important;line-height:1.85!important;color:#596a60!important;margin:0}.worked-example{background:#f4f5ee;border-color:#e8e9dc}.course-part{font:700 12px Manrope,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:#77907e;margin:22px 0 6px;padding-bottom:9px;border-bottom:1px solid #e8eeea}.syllabus-note{background:#f4f7f4;border:1px solid #e7ede8;border-radius:10px;padding:17px 19px;margin:17px 0 21px}.syllabus-note h3{font:700 14px Manrope,sans-serif;margin:0 0 8px;color:#294c3d}.syllabus-note p,.syllabus-note li{font-size:12px;line-height:1.7;color:#64746a}.syllabus-note p{margin:0}.syllabus-note ul{margin:10px 0 0;padding-left:19px}.syllabus-note a{color:#287459;text-decoration:underline;text-underline-offset:2px}@media(max-width:700px){.lesson-section{padding:14px}.lesson-intro{font-size:14px!important}.syllabus-note{padding:15px}}
.simple-explanation{background:#edf5ef;border-color:#dfebe1}.simple-explanation h3{color:#286849}.lesson-steps{background:#f7f8f4}.lesson-steps ol{margin:0;padding-left:21px;color:#596a60;font-size:13px;line-height:1.85}.lesson-steps li{padding-left:4px;margin:3px 0}

/* Profil complet, preferințe și administrarea contului. */
.profile-card{max-width:none}.profile-section-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:22px}.profile-section-heading h2{font:750 20px Manrope,sans-serif;margin:0 0 6px}.profile-section-heading p{font-size:12px;line-height:1.6;color:var(--muted);margin:0}.profile-large-avatar{width:58px;height:58px;flex:0 0 58px;font-size:18px}.profile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px}.profile-grid label{min-width:0}.profile-form select,.profile-form input:not([type="checkbox"]){margin-top:8px}.profile-form select{display:block;width:100%;padding:13px 14px;border:1px solid #dfe7e1;border-radius:8px;background:#fff;color:var(--ink)}.account-meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:8px;color:#89958e;font-size:11px}.account-meta b{color:#52625a}.profile-fieldset{display:flex;flex-wrap:wrap;gap:12px 24px;border:1px solid var(--line);border-radius:9px;padding:15px 17px;margin:12px 0 4px}.profile-fieldset legend{font-size:12px;font-weight:700;color:#52625a;padding:0 5px}.check-option{display:flex!important;align-items:center;gap:9px;font-size:12px!important;font-weight:550!important;margin:4px 0!important;cursor:pointer}.check-option input{accent-color:var(--green);width:16px;height:16px;margin:0}.inline-field{display:flex!important;align-items:center;gap:10px;font-size:12px!important}.inline-field input{width:120px;padding:8px 10px!important;margin:0!important}.profile-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.profile-stats>div{border:1px solid var(--line);border-radius:9px;padding:16px;background:#fbfcfb}.profile-stats strong{display:block;font:750 21px Manrope;color:var(--green)}.profile-stats span{font-size:10px;color:var(--muted);display:block;margin-top:5px}.profile-course-progress{max-width:640px;margin-top:22px}.profile-course-progress>div:not(.track){display:flex;justify-content:space-between;font-size:11px;color:#52625a}.profile-course-progress .track{margin:8px 0 15px}.profile-course-progress .track i{width:0;transition:width .25s}.security-form{max-width:720px}.sessions-panel{border-top:1px solid var(--line);padding-top:18px;margin-top:22px}.sessions-panel .section-head{margin-bottom:8px}.sessions-panel h3{font:700 14px Manrope;margin:0}.session-list{display:grid;gap:7px;margin:10px 0 15px}.session-row{display:flex;align-items:center;gap:11px;padding:12px 14px;border:1px solid var(--line);border-radius:8px}.session-row strong{display:block;font-size:12px}.session-row small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.session-dot{width:9px;height:9px;border-radius:50%;background:#b9c3bd;flex:0 0 9px}.session-dot.current{background:#319265;box-shadow:0 0 0 3px #e6f2e9}.delete-account{border-top:1px solid #f0dfdb;margin-top:22px;padding-top:17px}.delete-account summary{color:#a14e3b;font-size:13px;font-weight:700;cursor:pointer}.delete-account>p{font-size:12px;line-height:1.7;color:#835b52}.delete-account label{display:block;max-width:400px;font-size:11px;font-weight:650;color:#684940}.delete-account input{display:block;width:100%;padding:11px 12px;border:1px solid #e1c8c0;border-radius:7px;margin:8px 0 12px}.danger-button{background:#a33e32;color:#fff;border-radius:7px;padding:11px 14px;font-size:11px;font-weight:700}.danger-button:hover{background:#842d24}.danger-button:disabled{opacity:.5;cursor:default}
html[data-font-scale="small"]{zoom:.94}html[data-font-scale="large"]{zoom:1.08}html[data-high-contrast="true"]{--bg:#f0f1f0;--ink:#071713;--muted:#3d5148;--line:#85948b;--green:#07543e}html[data-high-contrast="true"] .page-card,html[data-high-contrast="true"] .right-card,html[data-high-contrast="true"] .stat{border-color:#66766d}
@media(max-width:700px){.profile-grid{grid-template-columns:1fr}.profile-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.profile-section-heading{align-items:flex-start}.profile-large-avatar{display:none}.profile-fieldset{gap:8px;flex-direction:column}.account-meta{flex-direction:column}}
.weekly-target-summary{max-width:640px;margin:17px 0 5px}.weekly-target-summary>div:first-child{display:flex;justify-content:space-between;font-size:11px;color:#64746a}.weekly-target-summary b{color:#376a53}.weekly-target-summary .track{margin:8px 0}.weekly-target-summary .track i{width:0;transition:width .25s}

/* Diagnostic review plan and searchable university reference. */
.diagnostic-list{display:grid;gap:11px;margin:20px 0}.diagnostic-card{display:grid;grid-template-columns:34px minmax(0,1fr);gap:13px;padding:18px;border:1px solid var(--line);border-radius:10px;background:#fbfcfb}.diagnostic-rank{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#e8f3e9;color:var(--green);font:750 13px Manrope}.diagnostic-body .eyebrow{margin:0 0 7px;letter-spacing:.08em;font-size:9px}.diagnostic-body h3,.review-queue h3{font:700 16px Manrope;margin:0 0 6px;color:#294c3d}.diagnostic-body p,.review-queue>p{font-size:11px;color:#78867d;margin:0 0 12px}.review-queue{border-top:1px solid var(--line);padding-top:18px;margin-top:23px}.review-queue h3{font-size:14px}.reference-cta{display:inline-block;margin-top:19px;color:var(--green);font-size:12px;font-weight:700;text-decoration:none}.empty-state{padding:23px;border:1px dashed #cfdbd1;border-radius:10px;background:#fafcf9}.empty-state strong{font:700 14px Manrope;color:#294c3d}.empty-state p{font-size:12px;line-height:1.7;color:#78867d;margin:8px 0 15px}.reference-controls{display:grid;grid-template-columns:minmax(0,1fr) minmax(200px,260px);gap:12px;margin:21px 0 8px}.reference-controls label{display:grid;gap:7px;font-size:11px;font-weight:700;color:#52625a}.reference-controls input,.reference-controls select{width:100%;padding:12px 13px;border:1px solid #dfe7e1;border-radius:8px;background:#fff;color:var(--ink)}.reference-count{font-size:11px!important;margin:8px 0!important}.reference-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin:15px 0}.reference-card{min-width:0;padding:17px 18px;border:1px solid var(--line);border-radius:10px;background:#fff}.reference-card-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.reference-card-head .eyebrow{font-size:9px;line-height:1.5;color:#71887a;letter-spacing:.08em}.reference-course{font-size:9px;color:#89958e;white-space:nowrap}.reference-card h3{font:700 15px Manrope;color:#294c3d;margin:10px 0 7px}.reference-card>p,.reference-card details p{font-size:12px;line-height:1.7;color:#64746a;margin:0 0 12px}.reference-formula{padding:12px;margin:12px 0;background:#f2f7f2;border:1px solid #e4eee5;border-radius:8px;color:#275a40;font:600 14px Georgia,serif;line-height:1.6;overflow-wrap:anywhere}.reference-card details{margin:0 0 13px;color:#52625a}.reference-card summary{font-size:11px;font-weight:700;cursor:pointer}.reference-card details p{margin:8px 0 0}.reference-card .row-actions{margin-top:12px}.reference-card .row-actions button,.diagnostic-card .row-actions button{font-size:10px}.reference-card .glossary-term{border-bottom:1px dotted #62836b;cursor:help}
.reference-related{margin-top:18px}.reference-related>h3{font:700 15px Manrope;color:#294c3d;margin:0 0 7px}.reference-related>p{font-size:12px;line-height:1.7;color:#64746a}.reference-related-item{padding:15px 16px;margin:10px 0;background:#f9fbf9;border:1px solid var(--line);border-radius:9px}.reference-related-item .eyebrow{font-size:9px;letter-spacing:.08em;margin:0 0 5px}.reference-related-item h4{font:700 14px Manrope;color:#294c3d;margin:5px 0 8px}.reference-related-item>p{font-size:12px;line-height:1.7;color:#64746a;margin:9px 0 12px}
@media(max-width:900px){.reference-results{grid-template-columns:1fr}}
@media(max-width:700px){.reference-controls{grid-template-columns:1fr}.diagnostic-card{padding:14px 12px;gap:9px}.diagnostic-body h3{font-size:14px}.reference-card{padding:15px}.reference-card-head{align-items:flex-start}}
.matrix-display{display:inline-flex;position:relative;vertical-align:middle;align-items:stretch;margin:0 3px;padding:2px 8px;font-style:normal;line-height:1.25}.matrix-display:before,.matrix-display:after{position:absolute;top:50%;transform:translateY(-50%);font:1.8em/1 Georgia,serif;color:currentColor}.matrix-display:before{content:'(';left:0}.matrix-display:after{content:')';right:0}.matrix-rows{display:grid;gap:4px;padding:0 5px}.matrix-row{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(1.4em,auto);gap:10px;text-align:center}.matrix-divider{align-self:stretch;min-height:1.2em;border-left:1px solid currentColor;margin:0 3px}
.profile-account{display:grid;gap:5px;padding:13px 15px;margin-bottom:8px;border:1px solid #e5ece7;border-radius:9px;background:#f7faf8}.profile-account span{font-size:11px;color:var(--muted)}.profile-account strong{font-size:14px;font-weight:650;color:var(--ink);overflow-wrap:anywhere}
.equation-system{display:inline-flex;flex-direction:column;align-items:flex-start;gap:4px;vertical-align:middle;text-align:left;font-style:normal;font-size:.72em;line-height:1.3;padding:2px 10px;border-left:2px solid currentColor;margin-left:5px}
.auth-page{min-height:100vh;background:radial-gradient(ellipse at 18% 12%,#e4eee5 0,transparent 38%),radial-gradient(ellipse at 88% 90%,#eaf0e9 0,transparent 36%),#f6f7f9;display:grid;place-items:center;padding:36px 20px}.auth-layout{width:min(100%,470px);display:grid;justify-items:center}.auth-brand{display:flex;align-items:center;gap:10px;margin:0 auto 27px;text-decoration:none;color:#176d58;font:800 25px Manrope,sans-serif;letter-spacing:-1px}.auth-brand b{display:grid;place-items:center;width:38px;height:38px;background:#176d58;color:white;border-radius:11px;font:italic 700 28px Georgia}.auth-card{width:100%;background:#fff;border:1px solid #e7eceb;border-radius:18px;padding:38px 40px;box-shadow:0 18px 60px #1a39220a}.auth-card h1{margin:12px 0 8px;font:750 27px/1.25 Manrope,sans-serif;letter-spacing:-.8px}.auth-lead{margin:0 0 26px;color:#788782;font-size:13px;line-height:1.7}.auth-card form{display:grid;gap:9px}.auth-card label{margin-top:9px;font-size:12px;font-weight:650;color:#334843}.auth-card input{width:100%;padding:13px 14px;border:1px solid #dfe7e2;border-radius:8px;background:#fff;color:#172c2c;font-size:13px}.auth-card input:focus{border-color:#5e9b7b;outline:3px solid #8cd3b033}.auth-submit{display:flex;justify-content:center;align-items:center;gap:10px;width:100%;margin-top:12px;padding:14px 17px;font-size:13px}.auth-status{padding:11px 12px;margin:5px 0 0;border-radius:7px;background:#fff0eb;color:#9c5438;font-size:12px;line-height:1.6}.auth-status[data-kind="success"]{background:#e8f3e9;color:#286c4b}.auth-status[data-kind="info"]{background:#f1f5f1;color:#547066}.auth-switch{text-align:center;margin:20px 0 0;color:#75827b;font-size:12px}.auth-switch a{color:#166d58;font-weight:700;text-decoration:none}.auth-switch a:hover{text-decoration:underline}.auth-footnote,.auth-hint{font-size:10px;color:#89958e;line-height:1.6}.auth-footnote{text-align:center;margin:20px 0 0}.auth-hint{margin:0 0 2px}.auth-tagline{margin:21px 0 0;color:#84928a;font-size:11px}.auth-logout{white-space:nowrap;background:transparent;color:#5d756a;font-size:11px;font-weight:650;padding:8px 10px;border-radius:6px}.auth-logout:hover{background:#edf3ef;color:#166d58}body[data-page]:not(.auth-ready){visibility:hidden}@media(max-width:520px){.auth-card{padding:30px 23px}.auth-card h1{font-size:24px}.auth-brand{margin-bottom:20px}}

/* Definiții rapide în lecții: hover, tastatură și atingere. */
.glossary-term{position:relative;display:inline;border-bottom:1px dotted #368266;color:#236d53;cursor:help;text-decoration:none;text-underline-offset:3px}
.glossary-term:focus-visible{outline:2px solid #4d9874;outline-offset:2px;border-radius:2px}
.glossary-term::after{display:none}
.glossary-tooltip{position:fixed;z-index:60;width:max-content;max-width:min(290px,calc(100vw - 36px));padding:10px 12px;border-radius:8px;background:#173d31;color:#fff;font:500 12px/1.55 Manrope,sans-serif;text-align:left;white-space:normal;box-shadow:0 8px 24px #152f2533;pointer-events:none}
.glossary-tooltip[hidden]{display:none}

/* Phone layout: bottom navigation, single-column content, and touch-sized controls. */
@media(max-width:700px){
  body:not([data-page="home"]) .right>.right-card:first-child{display:none}
  body{padding-bottom:calc(66px + env(safe-area-inset-bottom));overflow-x:hidden}
  aside{position:fixed;inset:auto 0 0;width:100%;height:auto;min-height:0;padding:5px 5px calc(5px + env(safe-area-inset-bottom));display:block;border-right:0;border-top:1px solid var(--line);box-shadow:0 -5px 18px #1835290d;z-index:20}
  .logo,.side-label,.side-bottom{display:none}
  .nav{display:flex;flex-direction:row;gap:2px;width:100%;margin:0;overflow:visible}
  .nav a{flex:1 1 0;min-width:0;min-height:54px;display:flex;flex-direction:column;justify-content:center;gap:3px;padding:5px 1px;border-radius:8px;text-align:center;overflow:hidden}
  .nav a>span:not(.ico){display:block!important;max-width:100%;font-size:8px;line-height:1.1;white-space:normal;overflow-wrap:anywhere}
  .nav a .ico{width:auto;font-size:18px;line-height:1}
  aside .nav a>span.badge:not(.ico){display:none!important}
  .workspace{margin-left:0;padding-bottom:0}
  header{position:sticky;top:0;z-index:10;height:58px;padding:0 15px;gap:8px}
  header p{max-width:calc(100vw - 130px);margin:0;font-size:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  header p span:first-child{display:none}
  header p span:last-child{font-size:11px}
  .top-right{gap:9px}
  .search{display:none}
  .bell{min-width:40px;min-height:40px}
  main{width:100%;padding:22px 15px 26px}
  .intro{margin-bottom:20px;gap:12px}
  .intro h1{font-size:24px;line-height:1.2}
  .intro p{font-size:12px;line-height:1.5}
  .layout{grid-template-columns:minmax(0,1fr);gap:18px}
  .left,.right{min-width:0}
  .right{display:grid;grid-template-columns:minmax(0,1fr);gap:12px}
  .right-card{margin:0;padding:18px 16px}
  .hero{min-height:220px;padding:23px 20px;border-radius:13px}
  .hero h2{max-width:78%;font-size:23px;line-height:1.3}
  .hero p{max-width:76%;font-size:12px}
  .hero-graph{width:190px;height:165px;right:-85px;top:29px;opacity:.18}
  .hero-bottom{position:relative;z-index:1;align-items:flex-start;flex-direction:column;gap:9px;margin-top:18px}
  .hero-bottom .primary{min-height:44px}
  .stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin:14px 0 23px}
  .stat{min-width:0;display:block;padding:11px 8px;border-radius:9px}
  .stat-icon{display:none}
  .stat strong{font-size:16px;letter-spacing:-.4px}
  .stat small{font-size:9px;line-height:1.25}
  .section-head{flex-wrap:wrap;align-items:center;gap:10px}
  .section-head h2{font-size:17px}
  .tabs{width:100%;justify-content:space-between}
  .tabs button{flex:1;min-height:38px;padding:7px 4px;font-size:10px}
  .course-list{grid-template-columns:minmax(0,1fr);gap:12px}
  .course-art{height:102px;padding:16px}
  .formula{font-size:31px;margin-top:8px}
  .course-content{padding:16px}
  .course-content p{margin-bottom:16px}
  .course-footer button,.outline,.primary{min-height:42px}
  .practice{align-items:stretch;flex-direction:column;gap:13px;padding:17px;margin-top:16px}
  .practice .outline{width:100%}
  .page-card{padding:19px 15px;margin:14px 0}
  .page-card>h2{font-size:20px}
  .lesson-row{align-items:flex-start;gap:10px;padding:12px 10px}
  .lesson-row button{flex:0 0 auto;min-height:40px;padding:8px 10px}
  .reference-controls{grid-template-columns:minmax(0,1fr);gap:10px}
  input:not([type="checkbox"]):not([type="radio"]),select,textarea{font-size:16px}
  .reference-controls input,.reference-controls select{min-height:44px}
  .reference-results{grid-template-columns:minmax(0,1fr);gap:10px}
  .reference-card{padding:15px}
  .reference-card .row-actions,.diagnostic-card .row-actions{align-items:stretch;flex-direction:column}
  .reference-card .row-actions button,.diagnostic-card .row-actions button{min-height:42px}
  .profile-grid{grid-template-columns:minmax(0,1fr)}
  .profile-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .profile-form input,.profile-form select,.numeric-answer{min-height:46px;font-size:16px}
  .progress-actions{display:grid;grid-template-columns:minmax(0,1fr)}
  .progress-actions button{min-height:44px}
  .modal-backdrop{align-items:flex-end;padding:0}
  .modal{width:100%;max-height:92vh;max-height:92dvh;overflow:auto;border-radius:18px 18px 0 0;padding:27px 19px calc(20px + env(safe-area-inset-bottom))}
  .modal h2{padding-right:20px;font-size:21px;line-height:1.3}
  .close{position:sticky;float:right;top:0;z-index:2;margin:-7px -5px 0 8px}
  .modal-actions{flex-wrap:wrap;gap:9px}
  .modal-actions button{min-height:44px}
  .answers{grid-template-columns:minmax(0,1fr);gap:9px}
  .answer{min-height:48px;text-align:left;padding:12px 14px}
  #answer-form .outline{width:100%;min-height:44px}
  .footer{padding-bottom:6px}
}
@media(max-width:380px){
  header{padding:0 11px}
  main{padding-right:12px;padding-left:12px}
  .nav{gap:0}
  .nav a{padding-right:0;padding-left:0}
  .nav a>span:not(.ico){font-size:7.5px}
  .hero{padding-right:15px;padding-left:16px}
  .hero h2{max-width:82%;font-size:21px}
  .stat{padding:10px 6px}
  .stat strong{font-size:15px}
  .stat small{font-size:8px}
}
@media(orientation:landscape) and (max-height:500px) and (max-width:900px){
  aside{padding-top:3px;padding-bottom:calc(3px + env(safe-area-inset-bottom))}
  .nav a{min-height:48px}
  .nav a .ico{font-size:16px}
  .nav a>span:not(.ico){font-size:8px}
  body{padding-bottom:calc(52px + env(safe-area-inset-bottom))}
}