:root{--navy:#202957;--ink:#252b48;--muted:#78809b;--blue:#656be8;--blue2:#8589f1;--lav:#efefff;--mint:#d9f4e9;--mint-ink:#277b60;--peach:#fff0e5;--yellow:#fff4ce;--line:#e8eaf3;--bg:#f6f7fc;--white:#fff;--shadow:0 14px 40px rgba(36,43,90,.08);font-family:"DM Sans",sans-serif;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--bg);min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font:800 20px Nunito,sans-serif;letter-spacing:-.4px}.brand b{color:var(--blue)}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:12px;background:var(--blue);color:white;font-size:20px;box-shadow:0 6px 14px #656be844}.eyebrow{font-size:10px;font-weight:800;letter-spacing:1.6px;color:var(--blue)}.auth-layout{min-height:100vh;display:grid;grid-template-columns:minmax(300px,1fr) minmax(360px,1fr);background:white}.auth-art{position:relative;overflow:hidden;padding:38px 7vw;background:linear-gradient(145deg,#f1f1ff 0%,#e8efff 55%,#dff4ed 100%)}.auth-message{position:relative;z-index:1;max-width:530px;margin:92px auto 0}.auth-message h1{font:900 clamp(40px,5vw,68px)/1.05 Nunito,sans-serif;letter-spacing:-2.3px;color:var(--navy);margin:14px 0 18px}.auth-message h1 span{color:var(--blue)}.auth-message p{max-width:415px;font-size:17px;line-height:1.7;color:#66708f}.auth-art .brand{font-size:21px}.auth-illustration{position:relative;height:235px;margin-top:35px}.sun{position:absolute;right:20%;top:5px;width:76px;height:76px;background:#ffe39b;border-radius:50%;box-shadow:0 0 0 16px #ffe39b33}.hill{position:absolute;bottom:5px;border-radius:50% 50% 0 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0;text-align:center;color:#8a91a8;font-size:11px;line-height:1.6}.auth-legal{margin-top:50px;color:#9aa0b3;text-align:center;font-size:10px}.auth-legal span{display:block;margin-top:6px}.mobile-brand{display:none}.message{padding:12px 14px;border-radius:12px;margin:0 0 15px;font-size:12px;line-height:1.5}.error{background:#fff0ef;color:#a33d39}.success{background:#e8f7ef;color:#237653}.setup-view{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(145deg,#f1f1ff,#e2f4ef)}.setup-card{width:min(100%,550px);padding:30px;border:1px solid white;border-radius:24px;background:#ffffffec;box-shadow:var(--shadow)}.setup-card .brand{margin-bottom:28px}.setup-card h2{font:900 28px Nunito;color:var(--navy);margin:0 0 8px}.setup-card p{color:var(--muted);font-size:14px;line-height:1.6}.setup-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0}.setup-option{min-height:100px;padding:16px;border:1px solid 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48px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:106px;border-bottom:1px solid var(--line)}.topbar h1{margin:4px 0 0;color:var(--navy);font:900 25px Nunito;letter-spacing:-.5px}.date-label{color:#8e95aa;font-size:10px;font-weight:700;text-transform:capitalize}.user-chip{display:flex;align-items:center;gap:10px}.user-chip b,.user-chip small{display:block}.user-chip b{font:800 12px Nunito;color:var(--navy)}.user-chip small{margin-top:2px;color:var(--muted);font-size:10px}.avatar{display:grid;place-items:center;width:39px;height:39px;border-radius:14px;background:var(--mint);color:var(--mint-ink);font:900 17px Nunito}.page-content{max-width:1200px;margin:25px auto 0}.welcome-banner{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 30px;border-radius:22px;background:linear-gradient(110deg,#686de7,#888df3);color:white;box-shadow:0 13px 24px 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small{font-size:9px}.page-content{margin-top:18px}.welcome-banner{padding:20px;border-radius:18px}.welcome-text h2{font-size:21px}.welcome-text p{font-size:11px}.banner-emoji{width:61px;height:61px;border-radius:21px;font-size:32px}.content-grid{grid-template-columns:1fr}.student-grid{grid-template-columns:1fr}.student-card{padding:15px}.panel-card{padding:16px}.field-grid{grid-template-columns:1fr}.field-grid .wide{grid-column:auto}.section-title{align-items:flex-start;flex-direction:column}.section-title .parent-select{align-self:stretch}.form-card{padding:16px}.setup-card{padding:23px}.exam-row{grid-template-columns:48px 1fr auto;gap:8px}.record-item{padding:12px}.record-meta{font-size:9px}.quick-grid{gap:8px}.quick-card{padding:10px;min-height:68px}.quick-icon{width:33px;height:33px;font-size:17px}}@media(max-width:390px){.stat-grid{gap:8px}.stat-card{padding:12px}.stat-value{font-size:21px}.user-chip>div:last-child{display:none}.setup-options{grid-template-columns:1fr}.welcome-banner{gap:8px}.banner-emoji{width:53px;height:53px;font-size:27px}}
@media(max-width:720px){.sidebar{overflow-y:auto;overscroll-behavior:contain}.sidebar-bottom{padding-bottom:max(8px,env(safe-area-inset-bottom))}.logout-button{order:-1;display:flex;min-height:46px;justify-content:center;margin:0 0 10px;border-radius:12px;background:#f0f0ff;color:#555bd1;padding:12px;font-size:13px}.tip-card{order:1}}
.topic-field{min-width:0;margin:0;padding:0;border:0}.topic-field legend{margin-bottom:8px;color:#4b5372;font-size:11px;font-weight:700}.topic-field>small,.form-card label>small{display:block;margin-top:6px;color:#8a91a8;font-size:10px;font-weight:400}.topic-checks{display:grid;gap:8px}.topic-check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center;gap:9px!important;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)!important}.topic-check input{width:17px;height:17px;accent-color:var(--blue)}.photo-status{min-height:18px;margin:8px 0 0;color:#656be8;font-size:11px;line-height:1.5}.lesson-card{max-width:820px;padding:22px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 4px 14px #20295706}.lesson-card h2{margin:7px 0 18px;color:var(--navy);font:900 22px Nunito}.lesson-topic{padding:16px 0;border-top:1px solid var(--line)}.lesson-topic h3{margin:0 0 7px;color:var(--navy);font:800 15px Nunito}.lesson-topic p,.material-excerpt p{margin:0;color:#5f6783;font-size:13px;line-height:1.7}.lesson-example{margin-top:10px;padding:12px;border-radius:12px;background:#f4f5ff;color:#555d7a;font-size:12px;line-height:1.6}.lesson-example b{color:#555bd1}.material-excerpt{margin-top:12px;padding:12px;border:1px solid var(--line);border-radius:12px;color:#68708a;font-size:12px}.material-excerpt summary{cursor:pointer;font-weight:700}.material-excerpt p{margin-top:10px;white-space:pre-wrap;overflow-wrap:anywhere}.timer-card{margin-bottom:16px}.timer-card .stat-value{font-size:34px}
.quiz-note{margin:14px 0 0;color:#858ca2;font-size:11px;line-height:1.5}
.teacher-card{max-width:820px;margin-top:16px;padding:20px;border:1px solid #dedfff;border-radius:20px;background:linear-gradient(145deg,#fff 35%,#f7f7ff);box-shadow:0 6px 20px #20295708}.teacher-heading{display:flex;align-items:flex-start;gap:13px}.teacher-avatar{display:grid;place-items:center;flex:none;width:48px;height:48px;border-radius:16px;background:#efefff;font-size:25px}.teacher-heading h3{margin:3px 0 5px;color:var(--navy);font:900 18px Nunito}.teacher-heading p{margin:0;color:#707894;font-size:12px;line-height:1.55}.teacher-chat-log{display:grid;gap:9px;margin:16px 0}.teacher-message{max-width:92%;padding:11px 13px;border-radius:14px;font-size:12px;line-height:1.6}.teacher-message b{display:block;margin-bottom:3px;color:var(--navy);font:800 11px Nunito}.teacher-message p{margin:0;white-space:normal;overflow-wrap:anywhere}.teacher-reply{justify-self:start;background:#f1f2ff;color:#535d7d;border-bottom-left-radius:5px}.teacher-user{justify-self:end;background:#656be8;color:#fff;border-bottom-right-radius:5px}.teacher-user b{color:#fff}.teacher-chat-form{display:grid;gap:9px}.teacher-message-label{color:#4b5372;font-size:11px;font-weight:700}.teacher-chat-form textarea{width:100%;min-height:74px;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font-size:12px;line-height:1.5;resize:vertical}.teacher-consent{display:flex;align-items:flex-start;gap:8px;color:#68708a;font-size:10px;line-height:1.5}.teacher-consent input{width:15px;height:15px;flex:none;margin:1px 0;accent-color:var(--blue)}.teacher-privacy{margin:0;color:#8990a5;font-size:10px;line-height:1.5}.teacher-chat-form .button{justify-self:start}.teacher-chat-form .button:disabled{opacity:.65;cursor:wait}@media(max-width:720px){.teacher-card{padding:15px}.teacher-heading h3{font-size:16px}.teacher-message{max-width:100%}.teacher-chat-form .button{width:100%}}
.lesson-generated{margin-top:12px;padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff}.lesson-overview{margin:0 0 12px;padding:14px;border-radius:12px;background:#f1f5ff;color:#39436b;font-size:13px;line-height:1.7}.lesson-review{margin-top:12px;padding:14px;border-radius:12px;background:#eff8f3;color:#315e4c;font-size:12px;line-height:1.6}.lesson-review ul{margin:8px 0 0;padding-left:20px}.exam-actions{display:flex;align-items:flex-end;flex-direction:column;gap:8px}.exam-actions .text-button{padding:0;color:var(--blue);font-size:10px;font-weight:800}.teacher-consent{display:flex!important;grid-template-columns:auto 1fr!important;align-items:flex-start;gap:9px!important;color:#56607d!important;line-height:1.5}.teacher-consent input{flex:none;margin:2px 0;accent-color:var(--blue)}
@media(max-width:720px){.exam-actions{align-items:flex-start}.exam-row{grid-template-columns:46px minmax(0,1fr)}.exam-actions{grid-column:2;flex-direction:row;align-items:center;justify-content:space-between}}
.lesson-overview{display:grid;gap:6px}.lesson-overview>b{color:var(--navy);font:800 13px Nunito}.lesson-overview p{margin:0;color:#39436b;font-size:13px;line-height:1.7}.lesson-goals{padding:14px;border-radius:14px;background:#fbf5e8;color:#7c5d20}.lesson-goals>b{font:800 12px Nunito}.lesson-goals>div{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:8px;margin-top:10px}.lesson-goals span{display:flex;align-items:flex-start;gap:8px;padding:9px;border:1px solid #f0e7d3;border-radius:10px;background:#fffefa;color:#61563d;font-size:11px;line-height:1.5}.lesson-goals i{display:grid;place-items:center;flex:none;width:21px;height:21px;border-radius:50%;background:#fff0c8;color:#8c6817;font-size:10px;font-style:normal;font-weight:800}.lesson-progress-note{margin:16px 0 0;color:#777f98;font-size:10px;font-weight:700}.lesson-step-label{display:inline-flex;margin-bottom:7px;padding:4px 8px;border-radius:99px;background:var(--lav);color:#555bd1;font-size:9px;font-weight:800;letter-spacing:.8px}.lesson-steps{display:grid;gap:7px;margin:11px 0 0;padding-left:22px;color:#58617d;font-size:12px;line-height:1.6}.lesson-example p,.lesson-mistake p{margin:5px 0 0;color:inherit;font-size:12px;line-height:1.65}.lesson-mistake{margin-top:9px;padding:11px 12px;border-radius:11px;background:#fff5e8;color:#8c5c24;font-size:11px;line-height:1.5}.lesson-check{display:grid;gap:8px;margin-top:12px;padding:13px;border:1px solid #e3e5ff;border-radius:13px;background:#fafaff}.lesson-check>b{color:#4f55c2;font:800 12px Nunito}.lesson-check>p{margin:0;color:#505a78;font-size:12px;line-height:1.6}.lesson-check-options{display:grid;gap:7px}.lesson-check-option{padding:9px 11px;border:1px solid var(--line);border-radius:10px;background:white;color:#535c79;text-align:left;font-size:11px;line-height:1.45}.lesson-check-option:hover{border-color:#a8acf4;background:#f8f8ff}.lesson-check-option.is-answer{border-color:#77c5a5;background:#effaf4;color:#27664d}.lesson-check-option.is-wrong{border-color:#edb8ae;background:#fff2ef;color:#9a4d42}.lesson-check-feedback{padding:9px 10px;border-radius:10px}.lesson-check-feedback.good{background:#e8f7ef;color:#27664d}.lesson-check-feedback.try-again{background:#fff4e8;color:#865b28}.teacher-shortcuts{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0 4px}.prompt-chip{padding:7px 10px;border:1px solid #dedfff;border-radius:99px;background:#fff;color:#555bd1;font-size:10px;font-weight:700}.prompt-chip:hover{background:#f2f2ff;border-color:#b9bcf8}@media(max-width:720px){.lesson-card{padding:16px}.lesson-generated{padding:14px}.lesson-goals>div{grid-template-columns:1fr}.lesson-check-option{padding:10px}.teacher-shortcuts{gap:6px}}
.study-file-list{margin:0 0 9px;color:#626b87;font-size:11px}.study-file-list ul{display:grid;gap:5px;margin:7px 0 0;padding:0;list-style:none}.study-file-list li{display:flex;align-items:center;gap:6px;padding:7px 9px;border:1px solid var(--line);border-radius:9px;background:#fff;overflow-wrap:anywhere}.study-file-list li small{margin-left:auto;white-space:nowrap;color:#9298aa}.lesson-diagram{margin:13px 0 2px;padding:14px;border:1px solid #e1e4ff;border-radius:15px;background:linear-gradient(140deg,#fafaff,#f0f5ff)}.lesson-diagram figcaption{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px;color:#454ca9;font:800 12px Nunito}.lesson-diagram figcaption small{color:#848ba3;font:700 9px Nunito}.diagram-nodes{display:flex;align-items:stretch;justify-content:center;gap:6px}.diagram-node{display:flex;align-items:center;gap:7px;min-width:0;flex:1;padding:10px 9px;border:1px solid #dfe2ff;border-radius:12px;background:#fff;box-shadow:0 3px 8px #353b750a;color:#515a79;font-size:10px;line-height:1.45}.diagram-node i{display:grid;place-items:center;flex:none;width:25px;height:25px;border-radius:50%;background:#ececff;color:#565bd0;font-size:12px;font-style:normal;font-weight:900}.diagram-arrow,.diagram-compare{display:grid;place-items:center;flex:none;align-self:center;color:#878ce2;font-size:14px}.diagram-cycle .diagram-node{border-radius:50px 12px 12px 50px}.diagram-cycle .diagram-node i{background:#e5f6ee;color:#368365}.diagram-timeline .diagram-node i{border-radius:8px;background:#fff1d9;color:#a06f20}.diagram-compare .diagram-node{min-height:59px;background:#fffefa}.diagram-compare .diagram-node:nth-child(1){border-color:#c9d7f7}.diagram-compare .diagram-node:nth-child(3){border-color:#f5d6b1}.diagram-compare .diagram-node:nth-child(1) i{background:#eaf0ff;color:#526ab5}.diagram-compare .diagram-node:nth-child(3) i{background:#fff0db;color:#a06f20}.lesson-diagram>p{margin:10px 0 0;color:#646d88;font-size:10px;line-height:1.5}.lesson-diagram>p:before{content:'👀 '}
@media(max-width:720px){.study-file-list li{align-items:flex-start}.lesson-diagram{padding:11px}.lesson-diagram figcaption{align-items:flex-start;flex-direction:column}.diagram-nodes{display:grid;grid-template-columns:1fr 1fr;gap:7px}.diagram-arrow,.diagram-compare{display:none}.diagram-node{padding:8px;font-size:10px}.diagram-compare .diagram-node{min-height:0}}
.timer-paused{border-color:#eddec0;background:#fffaf0}.timer-paused .eyebrow{color:#936a27}.timer-running .stat-value,.timer-paused .stat-value{font-variant-numeric:tabular-nums}
.calculation-work{display:grid;gap:7px;margin:14px 0;padding:13px;border:1px solid #f3dca7;border-radius:13px;background:#fffaf0;color:#655637;font-size:12px}.calculation-work>b{color:#8b6821;font:800 13px Nunito,sans-serif}.calculation-work>span{color:#77708a;font-size:11px;line-height:1.5}.calculation-work textarea{width:100%;min-height:76px;resize:vertical;padding:10px 12px;border:1px solid #e9d9b6;border-radius:10px;background:white;color:var(--ink);font:13px/1.6 "DM Sans",sans-serif}.calculation-work textarea:focus{outline:2px solid #efd38f;outline-offset:1px}.calculation-work small{color:#8b6821;font-size:10px;font-weight:700}

.plan-interest-note{margin-top:15px;padding:11px 13px;border:1px solid #dfe0ff;border-radius:12px;background:#f5f5ff;color:#5058bd;font-size:11px;line-height:1.5}
.pricing-view{min-height:100vh;padding:22px clamp(18px,5vw,72px) 54px;background:radial-gradient(ellipse at 50% 18%,#1b2048 0%,#0b0d18 48%,#08090e 100%);color:#fff}
.pricing-top{display:flex;align-items:center;justify-content:space-between;max-width:1180px;margin:0 auto;padding:8px 0 20px;border-bottom:1px solid #ffffff18}
.pricing-top .brand{color:#f7f7ff}.pricing-top .brand b{color:#aab1ff}.pricing-top .brand-mark{background:linear-gradient(135deg,#5149fa,#766cff);box-shadow:0 0 24px #675cff66}
.pricing-back{border:1px solid #ffffff28;border-radius:999px;background:#ffffff0a;color:#e5e6f5;padding:10px 16px;font-size:12px;font-weight:700}
.pricing-intro{max-width:760px;margin:44px auto 26px;text-align:center}.pricing-intro .eyebrow{color:#aeb4ff}
.pricing-intro h1{margin:13px 0;font:900 clamp(34px,5.6vw,64px)/1.04 Nunito,sans-serif;letter-spacing:-2px;color:#fff}
.pricing-intro h1 span{background:linear-gradient(90deg,#a6a6ff,#70c3ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.pricing-intro p{max-width:580px;margin:0 auto;color:#a8adc0;font-size:15px;line-height:1.65}
.billing-switch{display:flex;gap:5px;width:max-content;margin:0 auto;padding:5px;border:1px solid #ffffff19;border-radius:999px;background:#0007}
.billing-switch button{border:0;border-radius:999px;background:transparent;color:#a7a9b8;padding:10px 18px;font-size:12px;font-weight:800}.billing-switch button.active{background:#202235;color:#fff;box-shadow:0 2px 9px #0006}.billing-switch small{margin-left:4px;color:#b6b8ff;font-size:9px}
.billing-note{min-height:18px;margin:12px auto 23px;text-align:center;color:#868ba1;font-size:10px}
.pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;max-width:1180px;margin:0 auto}
.pricing-card{position:relative;display:flex;flex-direction:column;min-width:0;padding:23px;border:1px solid #ffffff20;border-radius:23px;background:linear-gradient(150deg,#171821,#101116 70%);box-shadow:0 15px 42px #0005}
.pricing-card.featured{border-color:#7777ff9c;background:linear-gradient(150deg,#242442,#11121b 70%);box-shadow:0 16px 44px #544dff24}
.plan-symbol{display:grid;place-items:center;width:42px;height:42px;margin-bottom:18px;border:1px solid #7b83ff45;border-radius:14px;background:linear-gradient(145deg,#242747,#11131e);color:#aeb4ff;font-size:25px;box-shadow:inset 0 0 20px #7778ff17}
.pricing-card h2{margin:0;color:#fff;font:900 28px Nunito,sans-serif;letter-spacing:-.4px}.plan-for{min-height:21px;margin:4px 0 18px;color:#9a9eae;font-size:12px}
.plan-price{display:flex;align-items:baseline;gap:7px;margin-top:auto}.plan-price strong{color:#fff;font:900 30px Nunito,sans-serif;letter-spacing:-.7px}.plan-price span{color:#9a9eae;font-size:12px}
.plan-billing{margin:1px 0 16px;text-align:right;color:#858a9e;font-size:10px}.plan-cta{width:100%;min-height:48px;border-radius:999px;background:linear-gradient(100deg,#514bff,#6e69ff);color:#fff;box-shadow:0 7px 22px #5a52ff36;font-size:12px}
.plan-rule{height:1px;margin:20px 0 16px;background:#ffffff13}.pricing-card h3{margin:0 0 8px;color:#dadceb;font:800 12px Nunito}
.pricing-card ul{display:grid;gap:10px;margin:0;padding:0;list-style:none;color:#aeb1c0;font-size:11px;line-height:1.45}.pricing-card li:before{content:'✓';margin-right:8px;color:#8f91ff;font-weight:900}
.plan-badge{align-self:flex-start;margin-top:18px;padding:5px 8px;border:1px solid #d6b76b40;border-radius:99px;background:#d6b76b12;color:#e1c780;font-size:8px;font-weight:900;letter-spacing:.8px}
.popular-badge{position:absolute;top:17px;right:17px;padding:6px 8px;border-radius:99px;background:#d9d7ff16;color:#c5c3ff;font-size:8px;font-weight:900;letter-spacing:.6px}
.pricing-footnote{max-width:1180px;margin:19px auto 0;color:#767b8f;text-align:center;font-size:10px;line-height:1.6}
.exam-plan{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,.8fr);gap:17px;margin:13px 0 17px;padding:15px;border:1px solid #dfe2ff;border-radius:15px;background:linear-gradient(120deg,#f5f5ff,#f1f8ff)}
.exam-plan h3{margin:6px 0 4px;color:var(--navy);font:900 15px Nunito}.exam-plan p{margin:0;color:#707894;font-size:10px;line-height:1.5}.exam-plan ol{display:grid;gap:7px;margin:0;padding:0;list-style:none}
.exam-plan li{display:flex;gap:9px;align-items:flex-start;color:#555d7a;font-size:10px}.exam-plan li b{flex:none;color:#565bd1}.exam-plan li span{min-width:0}
@media(max-width:900px){.pricing-grid{grid-template-columns:1fr;max-width:560px}.pricing-card{padding:20px}.plan-for{min-height:0}.exam-plan{grid-template-columns:1fr}}
@media(max-width:720px){.pricing-view{padding:14px 16px 35px}.pricing-top{align-items:flex-start}.pricing-top .brand{font-size:16px}.pricing-back{padding:9px 11px;font-size:10px}.pricing-intro{margin:35px auto 22px}.pricing-intro h1{letter-spacing:-1.2px}.pricing-intro p{font-size:13px}.pricing-card h2{font-size:25px}.plan-price strong{font-size:28px}.auth-links{flex-wrap:wrap}.auth-links button{font-size:10px}.exam-plan{padding:13px}}

/* Interactive concept map for short, visual study navigation */
.lesson-mindmap{margin:14px 0;padding:16px;border:1px solid #e5e6ff;border-radius:18px;background:linear-gradient(145deg,#f7f7ff 0%,#fff 78%)}
.mindmap-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}
.mindmap-heading h3{margin:2px 0 3px;color:var(--navy);font:800 17px Nunito}
.mindmap-heading p{margin:0;color:#707993;font-size:11px;line-height:1.5}
.mindmap-spark{display:grid;place-items:center;width:37px;height:37px;border-radius:13px;background:#ececff;color:#6266dc;font-size:21px}
.mindmap-root{position:relative;width:max-content;max-width:100%;margin:0 auto 19px;padding:10px 16px;border-radius:999px;background:linear-gradient(120deg,#555de0,#7978ed);box-shadow:0 8px 18px #6668d526;color:#fff;text-align:center;font:800 12px Nunito}
.mindmap-root:after{position:absolute;top:100%;left:50%;height:14px;border-left:1px solid #b9bbf2;content:""}
.mindmap-branches{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.mindmap-branch{display:flex;align-items:flex-start;gap:9px;min-width:0;padding:11px;border:1px solid #e7e8f4;border-radius:13px;background:#fff;color:#59617d;text-align:left;cursor:pointer;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}
.mindmap-branch:hover,.mindmap-branch:focus-visible{transform:translateY(-2px);border-color:#aaaef1;box-shadow:0 6px 15px #3d428b12;outline:none}
.mindmap-branch>i{display:grid;place-items:center;flex:none;width:23px;height:23px;border-radius:8px;background:#f0efff;color:#555bd1;font-size:10px;font-style:normal;font-weight:800}
.mindmap-branch>span{display:grid;gap:4px;min-width:0}
.mindmap-branch b{color:#303956;font:800 11px Nunito}
.mindmap-branch small{color:#747c94;font-size:10px;line-height:1.45}
.mindmap-branch em{margin-left:auto;color:#8789db;font-size:13px;font-style:normal}
.lesson-topic[id^="lesson-step-"]{scroll-margin-top:18px}
@media(max-width:560px){.lesson-mindmap{padding:13px}.mindmap-branches{grid-template-columns:1fr}.mindmap-branch{padding:12px}.mindmap-root{font-size:11px}}
.exam-plan>div>button{margin-top:10px;padding:8px 11px;font-size:10px}
.exam-plan>div>button:disabled{opacity:.55;cursor:default}
.exam-plan-progress{display:block;margin-top:6px;color:#747c94;font-size:10px;line-height:1.45}
.exam-plan li.exam-plan-done{color:#3c8061}
.exam-plan li.exam-plan-done b{color:#39805e}