@layer reset,base,layout,components,views,adaptive;
@layer reset{*{box-sizing:border-box}body,h1,h2,h3,h4,p{margin:0}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit}img,svg{max-width:100%}button:disabled{cursor:not-allowed;opacity:.6}button,textarea,input,select{color:inherit}button{border:0}a{text-decoration:none}ul{padding-left:1.3rem}img{display:block}table{border-collapse:collapse}}
@layer base{
:root{--bg:#f4f5ef;--panel:#fff;--ink:#182e28;--muted:#586b63;--line:#d8e1d9;--accent:#19543e;--mint:#c8f2d8;--soft:#eaf0e8;--amber:#775210;--amber-bg:#faf0d8;--danger:#a23240;--danger-bg:#fcecf0;--purple:#555583;--shadow:0 12px 35px #153c2310;--radius:20px;--sidebar:254px;color-scheme:light;font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
:root[data-theme=dark]{--bg:#101b18;--panel:#192822;--ink:#edf5ef;--muted:#b3c5b9;--line:#35483c;--accent:#b1ebc9;--mint:#294f3c;--soft:#22362a;--amber:#f1cd8b;--amber-bg:#3b3120;--danger:#ffb2bd;--danger-bg:#48232c;--purple:#c6b8f3;--shadow:0 12px 35px #0003;color-scheme:dark}
body{background:var(--bg);color:var(--ink);overflow-x:clip}::selection{background:var(--mint);color:var(--ink)}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}h1,h2,h3,h4{line-height:1.16;letter-spacing:-.035em}h1{font-size:clamp(2.1rem,3.3vw,3.1rem);font-weight:650}h2{font-size:1.65rem;font-weight:650}h3{font-size:1.15rem;font-weight:650}p{overflow-wrap:break-word}em{font-family:Georgia,serif;font-weight:400}small,.meta{font-size:.85rem;line-height:1.5;color:var(--muted)}.muted{color:var(--muted)}.icon{width:22px;height:22px;flex:none;vertical-align:middle}.eyebrow{font-size:.82rem;letter-spacing:.13em;text-transform:uppercase;font-weight:700;color:var(--accent);margin-bottom:14px}.lede{max-width:65ch;color:var(--muted);margin-top:16px;line-height:1.7}.text-link{display:inline-flex;align-items:center;gap:8px;text-decoration:underline;text-underline-offset:4px;color:var(--accent);font-weight:600}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.between{justify-content:space-between}.stack{display:grid;gap:24px}.gap-sm{gap:12px}.wide{width:100%}.hidden{display:none!important}.spacer{flex:1}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip-link{position:fixed;top:-80px;left:20px;z-index:999;background:var(--panel);padding:14px}.skip-link:focus{top:10px}pre{background:#13241f;color:#d2f2dd;padding:24px;border-radius:14px;overflow:auto;font:15px/1.7 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere}code{font-family:ui-monospace,monospace;font-size:.9em}
}
@layer layout{
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);display:flex;flex-direction:column;padding:32px 22px 24px;border-right:1px solid var(--line);background:var(--panel);z-index:30;overflow-y:auto}.brand{display:inline-flex;align-items:center;gap:12px;font-size:1.7rem;font-weight:750;letter-spacing:-.06em;color:var(--ink)}.brand>svg{width:38px;height:42px;color:var(--accent)}.brand-dot{color:var(--accent)}.brand-caption{font-size:.85rem;color:var(--muted);margin:6px 0 36px 50px}.nav-label{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700;margin:24px 12px 10px}.nav-item{display:flex;align-items:center;gap:13px;padding:13px 14px;min-height:50px;border-radius:12px;font-size:.95rem;color:var(--muted);margin:3px 0}.nav-item:hover{background:var(--soft);color:var(--ink)}.nav-item.active{background:var(--mint);color:var(--accent);font-weight:650}.sidebar-bottom{margin-top:auto;padding-top:32px}.rank-card{border:1px solid var(--line);border-radius:16px;padding:18px;display:grid;gap:12px;background:var(--bg)}.rank-card strong{font-size:1rem}.rank-card p{font-size:.86rem;color:var(--muted)}.sidebar-tools{display:flex;gap:10px;margin-top:16px}.app-shell{padding-left:var(--sidebar)}.topbar{height:86px;display:flex;align-items:center;gap:24px;padding:0 40px;border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:20;backdrop-filter:blur(18px)}.breadcrumb{font-size:.9rem;color:var(--muted);display:flex;gap:10px;align-items:center}.topbar-actions{margin-left:auto;display:flex;gap:14px;align-items:center}.avatar{width:43px;height:43px;border-radius:50%;display:grid;place-items:center;background:var(--mint);font-weight:650;color:var(--accent);border:1px solid var(--line)}.xp-chip{display:flex;gap:8px;align-items:center;font-weight:650;color:var(--accent);padding:9px 13px;background:var(--soft);border:1px solid var(--line);border-radius:30px;font-size:.9rem}.notification-dot{width:7px;height:7px;position:absolute;right:10px;top:10px;background:var(--danger);border-radius:50%}.main{padding:38px 40px 72px;max-width:1540px;margin:auto;min-height:calc(100vh - 86px)}.page-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin:8px 0 32px}.heading-actions{display:flex;gap:10px;flex-wrap:wrap;flex:none}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px;align-items:start}.two-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.three-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.mode-banner{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--soft);padding:12px 20px;border:1px solid var(--line);border-radius:12px;margin-bottom:28px;font-size:.88rem;color:var(--muted)}.mode-banner .text-link{font-size:.88rem}.mobile-menu{display:none}.bottom-nav{display:none}.site-header{height:100px;max-width:1440px;margin:auto;padding:0 56px;display:flex;gap:48px;align-items:center}.site-links{display:flex;gap:30px;font-size:.95rem;margin:auto}.site-actions{display:flex;gap:14px;align-items:center}.site-main{max-width:1340px;margin:auto;padding:52px 36px 80px}.site-footer{border-top:1px solid var(--line);padding:36px;max-width:1420px;margin:auto;display:flex;gap:30px;align-items:center;flex-wrap:wrap}.site-footer p{max-width:480px;margin-left:auto;font-size:.86rem;color:var(--muted)}
}
@layer components{
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:50px;padding:13px 21px;border-radius:12px;border:1px solid transparent;font-weight:650;font-size:.94rem;line-height:1.45;transition:transform .18s,background .18s,box-shadow .18s;white-space:normal;text-align:center}.btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow)}.btn.primary{background:var(--accent);color:var(--panel)}.btn.secondary{background:var(--panel);border-color:var(--line);color:var(--ink)}.btn.ghost{background:transparent;color:var(--accent);border-color:var(--line)}.btn.danger{background:var(--danger-bg);color:var(--danger);border-color:var(--danger)}.btn.mint{background:#ccf6d9;color:#173d2e}.btn.small{padding:9px 14px;min-height:44px;font-size:.85rem}.icon-btn{width:44px;height:44px;display:inline-grid;place-items:center;position:relative;background:transparent;color:var(--muted);border:1px solid var(--line);border-radius:12px;flex:none}.icon-btn:hover{color:var(--accent);background:var(--soft)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-width:0}.panel.inset{background:var(--soft)}.panel-title{display:flex;align-items:center;gap:10px;margin-bottom:20px}.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border:1px solid var(--line);background:var(--soft);border-radius:20px;font-size:.8rem;font-weight:600;line-height:1.5;color:var(--muted)}.pill.green{background:var(--mint);color:var(--accent)}.pill.gold{background:var(--amber-bg);color:var(--amber)}.pill.red{background:var(--danger-bg);color:var(--danger)}.meter{height:8px;border-radius:20px;background:var(--line);overflow:hidden;isolation:isolate}.meter span{display:block;height:100%;width:var(--fill);background:var(--accent);border-radius:inherit;transition:width .9s cubic-bezier(.18,.75,.2,1)}.meter.big{height:12px}.metric{display:flex;align-items:flex-start;gap:16px}.metric-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:var(--soft);color:var(--accent);flex:none}.metric-number{font-size:2rem;font-weight:650;line-height:1.1;letter-spacing:-.05em;margin:0 0 9px}.metric-label{font-size:.85rem;color:var(--muted)}.field{display:grid;gap:9px;text-align:left}.field>span{font-weight:600;font-size:.92rem}.field input,.field textarea,.field select,select.control,input.control{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:13px 15px;width:100%;min-width:0;min-height:50px;line-height:1.5}.field textarea{min-height:145px;resize:vertical}.field input:focus,.field textarea:focus{border-color:var(--accent)}.form-grid{display:grid;gap:22px}.form-error{color:var(--danger);padding:14px 18px;background:var(--danger-bg);border-radius:10px;font-size:.94rem}.form-error:empty{display:none}.hint{font-size:.85rem;color:var(--muted);line-height:1.6}.check-label{display:flex;align-items:flex-start;gap:12px;font-size:.93rem;cursor:pointer}.check-label input{width:20px;height:20px;margin-top:4px;accent-color:var(--accent);flex:none}.switch{display:flex;gap:24px;align-items:center;justify-content:space-between;padding:20px 0;border-bottom:1px solid var(--line)}.switch:last-child{border:0}.switch strong{font-size:1rem}.switch p{color:var(--muted);font-size:.88rem;margin-top:5px}.switch input{width:22px;height:22px;accent-color:var(--accent);flex:none}.empty{text-align:center;padding:56px 24px}.empty p{color:var(--muted);max-width:55ch;margin:16px auto 24px}.empty-icon{width:64px;height:64px;border-radius:20px;background:var(--soft);margin:0 auto 20px;display:grid;place-items:center;color:var(--accent)}.empty-icon .icon{width:34px;height:34px}.divider{height:1px;background:var(--line);margin:24px 0}.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin:0 0 28px;overflow-x:auto}.tab{padding:13px 18px;background:transparent;border-bottom:3px solid transparent;border-radius:4px 4px 0 0;font-size:.93rem;font-weight:600;color:var(--muted);white-space:nowrap}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}.notice{padding:20px 22px;background:var(--soft);border-left:3px solid var(--accent);border-radius:0 12px 12px 0;line-height:1.65;font-size:.92rem}.notice.warning{background:var(--amber-bg);border-color:var(--amber)}.resource{display:flex;gap:12px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:12px;font-size:.9rem}.resource span{flex:1}.resource:hover{background:var(--soft)}details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-weight:650;list-style-position:outside;margin-left:22px}details p{padding:15px 0 0 22px;color:var(--muted)}.search-box{position:relative}.search-box .icon{position:absolute;left:17px;top:16px;color:var(--muted)}.search-box input{padding-left:49px}.filter-row{display:flex;align-items:center;gap:16px;margin-bottom:28px;flex-wrap:wrap}.filter-row .search-box{flex:1;min-width:220px}.filter-row select{max-width:240px}.skeleton{background:linear-gradient(100deg,var(--soft) 20%,var(--panel) 40%,var(--soft) 60%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:18px;height:150px}.loading-view{display:grid;gap:24px}.loading-view .skeleton:first-child{height:70px;width:65%}.loader{width:20px;height:20px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite;display:inline-block;vertical-align:middle}dialog{padding:0;border:1px solid var(--line);border-radius:24px;background:var(--panel);color:var(--ink);max-width:min(700px,calc(100vw - 32px));max-height:90dvh;width:100%;box-shadow:0 30px 100px #0004}dialog::backdrop{background:#081e1880;backdrop-filter:blur(5px)}.dialog-content{padding:32px;overflow:auto;max-height:90dvh}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}#toasts{position:fixed;right:24px;bottom:24px;z-index:1000;display:grid;gap:12px;width:min(440px,calc(100vw - 32px))}.toast{display:flex;gap:12px;align-items:center;background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--accent);padding:16px;border-radius:14px;box-shadow:0 8px 35px #0002;animation:appear .22s ease;font-size:.92rem}.toast span{flex:1}.toast.error{border-left-color:var(--danger)}.xp-flight{position:fixed;z-index:1001;pointer-events:none;background:var(--accent);color:var(--panel);font-weight:750;padding:8px 15px;border-radius:24px}.confetti{position:fixed;width:9px;height:13px;z-index:1001;pointer-events:none;border-radius:2px}.status-line{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.85rem}.status-dot{width:7px;height:7px;background:var(--accent);border-radius:50%}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:7px;margin-top:22px}.day-square{aspect-ratio:1;border-radius:7px;display:grid;place-items:center;background:var(--soft);font-size:.76rem;color:var(--muted);border:1px solid var(--line)}.day-square.done{background:var(--mint);color:var(--accent);border-color:var(--accent)}.day-square.today{outline:2px solid var(--accent);outline-offset:2px}
}
@layer views{
.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:center;padding:20px 0 75px}.hero h1{font-size:clamp(3.5rem,6vw,5.1rem);letter-spacing:-.055em;line-height:1.02;font-weight:650;max-width:660px}.hero h1 em{color:var(--accent)}.hero .lede{font-size:1.12rem;max-width:540px;margin:28px 0}.hero .row{margin-top:28px}.hero-card{position:relative;background:#194b39;color:#f3faf4;min-height:530px;border-radius:32px;padding:44px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 24px 60px #173d231c}.hero-card .eyebrow{color:#c1eed2;position:relative;z-index:2}.hero-card h2{font-size:2.5rem;max-width:300px;position:relative;z-index:2}.orbital{position:absolute;width:370px;height:370px;right:-90px;top:60px;border:1px solid #9fccac55;border-radius:50%;transform:rotate(-25deg)}.orbital:before,.orbital:after{content:'';position:absolute;inset:28px;border:1px solid #9fccac44;border-radius:50%}.orbital:after{inset:65px}.hero-glyph{position:absolute;right:30px;top:130px;width:220px;height:220px;display:grid;place-items:center;transform:rotate(-12deg)}.hero-glyph .icon{width:155px;height:155px;color:#cbf1d4;filter:drop-shadow(0 20px 15px #0003)}.hero-tag{padding:12px 18px;border:1px solid #ffffff40;background:#0e3426bb;border-radius:12px;position:absolute;right:28px;top:330px;font-size:.86rem;display:flex;gap:10px;align-items:center;backdrop-filter:blur(12px)}.hero-card-bottom{margin-top:auto;padding-top:180px;display:flex;justify-content:space-between;gap:18px;position:relative;align-items:flex-end}.hero-card-bottom p{font-size:.88rem;color:#d0e8d6;max-width:190px}.hero-card-bottom .btn{min-width:130px}.landing-stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:70px}.landing-stats strong{font-size:2rem;font-weight:600;letter-spacing:-.05em;display:block}.landing-stats span{font-size:.92rem;color:var(--muted)}.section-heading{margin:0 0 28px;display:flex;align-items:end;justify-content:space-between;gap:24px}.section-heading h2{font-size:2.25rem}.feature-card{padding:30px}.feature-card .metric-icon{margin-bottom:26px}.feature-card p{color:var(--muted);font-size:.94rem;margin-top:16px}.landing-section{margin:70px 0}.welcome-banner{background:#194b39;color:#f3faf4;border-radius:24px;padding:34px 36px;display:flex;justify-content:space-between;gap:24px;align-items:center;position:relative;overflow:hidden}.welcome-banner h2{font-size:2rem;line-height:1.15;max-width:520px}.welcome-banner p{color:#d6e8da;margin-top:13px;max-width:510px;font-size:.95rem}.welcome-banner .eyebrow{color:#c5ecd1;font-size:.75rem}.welcome-banner .welcome-emblem{width:120px;height:140px;color:#c2ebcd;flex:none;transform:rotate(-12deg)}.welcome-banner .welcome-emblem .icon{width:100%;height:100%}.course-card{background:var(--panel);border:1px solid var(--line);border-radius:22px;overflow:hidden}.course-art{background:#d8e8d8;min-height:190px;padding:28px;position:relative;overflow:hidden;color:#1b4e39}.course-art:after{content:'';position:absolute;width:220px;height:220px;border:1px solid #23513733;right:-40px;top:-35px;border-radius:50%}.course-art .icon.hero-course-icon{position:absolute;right:25px;top:25px;width:115px;height:115px;transform:rotate(-10deg);color:#1a4e3999}.course-art strong{font-size:1.8rem;letter-spacing:-.04em;position:relative;z-index:1;display:block;max-width:250px;line-height:1.15;margin:26px 0 0}.course-card-body{padding:28px}.course-card-body .lede{font-size:.95rem;margin-top:12px;margin-bottom:22px}.course-card-body .row{margin-top:16px}.progress-summary{display:flex;justify-content:space-between;font-size:.85rem;color:var(--muted);margin-bottom:10px}.next-card{display:flex;gap:22px;align-items:flex-start}.module-number{width:50px;height:50px;display:grid;place-items:center;border-radius:14px;border:1px solid var(--line);background:var(--soft);color:var(--accent);font-weight:650;flex:none;font-size:1.1rem}.next-card p{color:var(--muted);font-size:.91rem;margin:10px 0 18px}.module-list{display:grid;gap:14px}.module-row{display:flex;align-items:center;gap:20px;padding:22px 24px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}.module-row .module-info{flex:1;min-width:0}.module-row h3{font-size:1.07rem;line-height:1.35;letter-spacing:-.02em}.module-row p{font-size:.87rem;color:var(--muted);margin-top:7px}.module-row.completed{border-color:var(--accent)}.module-row.completed .module-number{background:var(--mint)}.module-progress{min-width:140px;width:140px;display:grid;gap:9px;font-size:.85rem;color:var(--muted)}.lesson-article{font-size:1.05rem;line-height:1.8}.lesson-article h2{font-size:1.45rem;margin-bottom:17px}.lesson-article section+section{margin-top:38px}.lesson-article p{color:var(--muted)}.lesson-article .takeaways{margin-top:36px}.takeaways li{margin:12px 0;color:var(--muted)}.lab-steps{counter-reset:step;list-style:none;padding:0;display:grid;gap:20px;margin:24px 0}.lab-steps li{counter-increment:step;display:flex;gap:16px;color:var(--muted)}.lab-steps li:before{content:counter(step);width:30px;height:30px;background:var(--soft);border-radius:50%;display:grid;place-items:center;font-size:.85rem;font-weight:600;flex:none;color:var(--accent)}.milestone-list{display:grid;gap:20px}.milestone{display:flex;gap:12px;align-items:flex-start;font-size:.9rem}.milestone .icon{margin-top:2px;color:var(--muted)}.milestone.done .icon{color:var(--accent)}.milestone p{color:var(--muted);font-size:.84rem;margin-top:3px}.course-sidebar{position:sticky;top:110px}.practice-card{display:flex;flex-direction:column;gap:18px;min-height:310px}.practice-card .metric-icon{width:56px;height:56px}.practice-card p{color:var(--muted);font-size:.95rem}.practice-card .btn{margin-top:auto}.quiz-heading{margin-bottom:24px}.quiz-heading h1{font-size:1.8rem;max-width:720px;line-height:1.3}.quiz-summary{margin:20px 0 24px}.quiz-summary .row{margin-bottom:10px;font-size:.9rem;color:var(--muted)}.quiz-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:26px;align-items:start}.question-panel{padding:34px 36px;min-width:0}.question-panel h2{font-size:clamp(1.55rem,2.5vw,2rem);line-height:1.35;letter-spacing:-.035em;margin:26px 0}.answer-list{display:grid;gap:14px}.answer{display:flex;gap:16px;align-items:center;text-align:left;width:100%;background:var(--panel);border:1.5px solid var(--line);border-radius:14px;padding:18px;min-height:77px;font-size:1rem;line-height:1.6;transition:background .18s,border .18s,transform .18s}.answer:hover:not(:disabled){border-color:var(--accent);background:var(--soft);transform:translateX(3px)}.answer:disabled{opacity:1}.answer-letter{display:grid;place-items:center;width:37px;height:37px;border-radius:10px;background:var(--soft);border:1px solid var(--line);font-size:.88rem;font-weight:700;flex:none}.answer.correct{background:var(--mint);border-color:var(--accent)}.answer.wrong{background:var(--danger-bg);border-color:var(--danger)}.answer.selected{border-color:var(--accent);background:var(--soft)}.answer .choice-text{flex:1}.answer-feedback-icon{width:24px;color:var(--accent)}.answer.wrong .answer-feedback-icon{color:var(--danger)}.question-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.keyboard-hint{font-size:.85rem;line-height:1.8;color:var(--muted);margin-top:23px}kbd{display:inline-block;border:1px solid var(--line);background:var(--soft);padding:1px 7px;border-radius:5px;font:inherit;font-size:.9em}.feedback{margin-top:28px;padding:24px;background:var(--soft);border-radius:15px;border-left:4px solid var(--accent);animation:appear .3s ease}.feedback.wrong{border-color:var(--danger)}.feedback h3{display:flex;align-items:center;gap:10px;font-size:1.15rem;margin-bottom:12px;line-height:1.5}.feedback p{font-size:1rem;line-height:1.75}.feedback .meta{margin-top:12px}.combo-card{text-align:center;padding:26px 22px}.combo-circle{width:135px;height:135px;border-radius:50%;background:conic-gradient(var(--accent) var(--arc,0deg),var(--soft) 0);padding:8px;margin:24px auto}.combo-circle>div{height:100%;border-radius:50%;background:var(--panel);display:flex;align-items:center;justify-content:center;flex-direction:column}.combo-circle strong{font-size:2.4rem;line-height:1.1;letter-spacing:-.06em}.combo-circle .icon{color:var(--amber);margin-bottom:6px}.combo-card .meta{font-size:.85rem}.combo-card .combo-caption{color:var(--muted);font-size:.87rem;margin-bottom:24px}.session-stat{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid var(--line);font-size:.87rem}.session-stat strong{color:var(--ink)}.question-map{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:20px 0}.map-number{min-height:40px;background:var(--soft);border:1px solid var(--line);border-radius:8px;font-size:.85rem}.map-number.correct{background:var(--mint);color:var(--accent)}.map-number.wrong{background:var(--danger-bg);color:var(--danger)}.map-number.current{outline:2px solid var(--accent);outline-offset:2px;font-weight:700}.map-legend{display:flex;gap:12px;flex-wrap:wrap;font-size:.85rem;color:var(--muted);line-height:1.7}.legend-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:5px}.legend-dot.missed{background:var(--danger)}.concept{margin-top:28px;padding-top:25px;border-top:1px solid var(--line)}.concept h3{display:flex;align-items:center;gap:8px;font-size:1.05rem}.concept-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.concept-node{display:flex;flex-direction:column;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:17px 12px;font-size:.85rem;line-height:1.5;position:relative}.concept-node .icon{position:absolute;right:-16px;top:50%;background:var(--panel);z-index:1;width:20px;color:var(--muted)}.concept-node.selected{background:var(--mint);border-color:var(--accent)}.step-dot{width:27px;height:27px;border-radius:50%;background:var(--soft);display:grid;place-items:center;font-size:.8rem;font-weight:600}.concept-description{font-size:.93rem!important;padding:16px 20px;background:var(--soft);border-radius:12px;color:var(--ink)}.result-hero{padding:42px;text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:24px}.result-hero .result-score{font-size:5rem;line-height:1.15;letter-spacing:-.07em;font-weight:650;color:var(--accent);margin:14px 0}.result-hero h1{font-size:2.2rem}.result-hero p{color:var(--muted);max-width:580px;margin:18px auto}.result-hero .row{justify-content:center;margin:25px 0 0}.result-breakdown{margin-top:28px}.result-review{border-bottom:1px solid var(--line);padding:20px 0;display:flex;gap:16px}.result-review .icon{margin-top:3px;color:var(--accent)}.result-review.missed .icon{color:var(--danger)}.result-review p{font-size:.95rem;line-height:1.65}.result-review small{display:block;margin-top:7px}.badge-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:28px 22px;gap:15px;position:relative}.badge-art{width:94px;height:105px;display:grid;place-items:center;background:var(--soft);color:var(--muted);clip-path:polygon(50% 0,94% 24%,94% 74%,50% 100%,6% 74%,6% 24%)}.badge-art .icon{width:45px;height:45px}.badge-card.earned .badge-art{background:linear-gradient(130deg,#b5e2bf,#286b4b);color:#fff}.badge-card p{font-size:.9rem;color:var(--muted)}.badge-card h3{font-size:1.04rem}.badge-card .pill{margin-top:auto}.settings-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}.settings-nav a{padding:10px 16px;border:1px solid var(--line);border-radius:10px;font-size:.9rem}.settings-nav a.active{background:var(--mint);color:var(--accent)}.profile-intro{display:flex;gap:20px;align-items:center;margin-bottom:28px}.profile-intro .avatar{width:70px;height:70px;font-size:1.6rem}.auth-layout{display:grid;grid-template-columns:1fr 1fr;min-height:calc(100vh - 100px);max-width:1440px;margin:auto;padding:32px 56px 64px;gap:60px}.auth-story{background:#194b39;color:#f5f9f4;padding:56px;border-radius:26px;display:flex;flex-direction:column;position:relative;overflow:hidden}.auth-story .eyebrow{color:#c7efd3}.auth-story h1{font-size:3.3rem;line-height:1.1;position:relative;z-index:1}.auth-story p{color:#daece0;margin-top:26px;max-width:360px}.auth-story .brand{color:#e5f2e6;margin-top:auto;padding-top:50px}.auth-story .brand>svg{color:#c7efd3}.auth-form-wrap{max-width:440px;margin:auto;width:100%;padding:24px 0}.auth-form-wrap h2{font-size:2rem;margin-bottom:14px}.auth-form-wrap>p{color:var(--muted);margin-bottom:30px}.or{display:flex;align-items:center;gap:15px;font-size:.86rem;color:var(--muted);margin:23px 0}.or:before,.or:after{content:'';height:1px;background:var(--line);flex:1}.price-card{display:flex;flex-direction:column;gap:18px;padding:32px;position:relative}.price-card.featured{border:2px solid var(--accent)}.price-card .price{font-size:3rem;letter-spacing:-.05em;font-weight:650;line-height:1.1;margin:12px 0 0}.price-card .price span{font-size:.9rem;color:var(--muted);letter-spacing:0;font-weight:400}.price-card ul{padding:0;list-style:none;display:grid;gap:13px;margin:10px 0 22px}.price-card li{display:flex;gap:10px;font-size:.94rem;align-items:flex-start}.price-card li .icon{color:var(--accent);width:18px;margin-top:3px}.price-card .btn{margin-top:auto}.price-caption{font-size:.85rem;min-height:42px;color:var(--muted)}.notification{display:flex;gap:18px;align-items:flex-start;padding:22px 0;border-bottom:1px solid var(--line)}.notification .metric-icon{width:42px;height:42px}.notification p{font-size:.94rem;color:var(--muted);margin:8px 0}.notification time{font-size:.85rem;color:var(--muted)}.notification.unread h3:after{content:'';display:inline-block;width:7px;height:7px;background:var(--accent);border-radius:50%;margin-left:10px}.certificate{background:#fcfbf5;color:#173e2e;border:1px solid #b9ccba;border-radius:6px;padding:48px 50px 26px;position:relative;box-shadow:var(--shadow);max-width:1060px;margin:auto;overflow:hidden;isolation:isolate}.certificate:before{content:'';position:absolute;inset:13px;border:1px solid #d2d5c1;z-index:-1;pointer-events:none}.certificate header{display:flex;justify-content:space-between;align-items:center;gap:28px;margin-bottom:52px}.certificate .brand{color:#173e2e}.certificate .brand>svg{color:#173e2e}.cert-id{font-size:12px;letter-spacing:.12em;font-weight:700;max-width:205px;text-align:right}.certificate .eyebrow{color:#365e45;font-size:12px;letter-spacing:.13em}.certificate h2{font-size:clamp(2.5rem,4vw,4rem);line-height:1.08;letter-spacing:-.03em;font-weight:500;margin-bottom:30px}.certificate>p{font-size:14px;color:#54624e}.certificate .recipient{font-size:2.3rem;line-height:1.25;margin:14px 0 24px;overflow-wrap:anywhere}.certificate h4{font-size:1.4rem;margin:12px 0 30px}.cert-facts{display:flex;gap:35px;border-top:1px solid #d4daca;border-bottom:1px solid #d4daca;padding:17px 0;font-size:12px;color:#53624e}.cert-facts strong{display:block;color:#173e2e;font-size:14px}.certificate footer{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin:24px 0}.cert-signature{display:grid;font-size:13px;min-width:150px}.cert-signature img{width:170px;height:55px;object-fit:contain;object-position:left;margin-bottom:5px}.cert-signature span{font-size:12px;color:#53624e}.cert-seal{width:95px;height:95px;border-radius:50%;border:2px solid #b3985b;display:flex;align-items:center;justify-content:center;flex-direction:column;background:#f5f0df;color:#244734;flex:none}.cert-seal .icon{width:30px;height:30px;margin-bottom:5px}.cert-seal span{font-size:9px;font-weight:700;letter-spacing:.1em;text-align:center;line-height:1.2}.cert-issued{max-width:255px;text-align:right;display:grid;gap:5px;font-size:12px;overflow-wrap:anywhere}.cert-issued span{font-size:10px}.certificate .cert-disclaimer{font-size:10px;line-height:1.5;border-top:1px solid #d4daca;padding-top:14px}.certificate.sample:after{content:'DESIGN PREVIEW';position:absolute;right:-65px;top:95px;transform:rotate(40deg);font-size:10px;background:#e6ecd9;padding:5px 80px;letter-spacing:.15em;z-index:-1}.policy{max-width:800px;margin:auto;line-height:1.8}.policy h2{font-size:1.35rem;margin:30px 0 14px}.policy p{margin-bottom:18px;color:var(--muted)}.onboarding-options{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.goal-choice{display:grid;gap:8px;text-align:center;place-items:center;padding:18px;border:1px solid var(--line);border-radius:12px;font-size:.9rem}.goal-choice:has(input:checked){background:var(--mint);border-color:var(--accent)}.goal-choice input{accent-color:var(--accent)}
}
@layer adaptive{
@keyframes appear{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{to{background-position:-200% 0}}.route-content{animation:appear .25s ease}html[data-motion=off] *,html[data-motion=off] *:before,html[data-motion=off] *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
@media(min-width:1600px){:root{--sidebar:274px}.main{padding:44px 50px 80px}.sidebar{padding:36px 26px}.content-grid{grid-template-columns:minmax(0,1fr) 330px}.quiz-grid{grid-template-columns:minmax(0,1fr) 285px}}
@media(max-width:1200px){:root{--sidebar:224px}.sidebar{padding:28px 14px}.main{padding:30px 26px 60px}.topbar{padding:0 26px}.content-grid{grid-template-columns:minmax(0,1fr) 270px;gap:20px}.quiz-grid{grid-template-columns:minmax(0,1fr) 228px;gap:20px}.question-panel{padding:27px}.three-grid{gap:15px}.panel{padding:23px}.module-progress{display:none}.hero{gap:36px}.site-header{padding:0 36px;gap:28px}.site-links{gap:22px}.hero-card{padding:34px}.site-actions .btn{padding:12px 16px}.auth-layout{padding:24px 36px 60px;gap:40px}.auth-story{padding:38px}}
@media(max-width:1000px){:root{--sidebar:0px}.sidebar{transform:translateX(-100%);width:270px;transition:transform .2s}.sidebar.open{transform:translateX(0);box-shadow:20px 0 100px #0005}.mobile-menu{display:inline-grid}.topbar{height:76px}.breadcrumb{display:none}.main{padding:28px 28px 96px}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--panel);border-top:1px solid var(--line);z-index:25;padding:10px 12px max(10px,env(safe-area-inset-bottom));justify-content:space-around;gap:12px}.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--muted);font-size:.76rem;min-width:58px;min-height:45px}.bottom-nav a.active{color:var(--accent);font-weight:650}.site-links{display:none}.site-actions{margin-left:auto}.site-header{height:86px}.hero{padding-top:12px;gap:30px}.hero h1{font-size:3.7rem}.hero-card{min-height:510px;padding:30px}.hero-card h2{font-size:2.1rem}.hero-glyph{width:180px;height:180px;right:15px}.hero-card-bottom{flex-direction:column;align-items:flex-start}.hero-tag{right:16px;top:305px}.section-heading h2{font-size:1.9rem}.auth-story h1{font-size:2.7rem}#toasts{bottom:90px}.page-heading{gap:18px}.heading-actions{flex:none}.heading-actions .btn{font-size:.85rem;padding:12px 14px}}
@media(max-width:760px){.content-grid,.quiz-grid{grid-template-columns:1fr}.course-sidebar{position:static}.course-sidebar .resource{display:none}.quiz-sidebar{display:flex;flex-direction:column;gap:16px}.quiz-sidebar .combo-card{display:none}.quiz-sidebar .map-panel{order:-1}.question-map{grid-template-columns:repeat(10,1fr);gap:8px}.map-number{min-height:42px}.hero{grid-template-columns:1fr;gap:32px}.hero h1{font-size:3.8rem;max-width:580px}.hero-card{min-height:415px;max-width:580px;width:100%}.hero-card-bottom{padding-top:135px;flex-direction:row;align-items:end}.hero-card .hero-glyph{top:90px;right:55px}.hero-tag{top:246px;right:25px}.hero-card h2{max-width:330px;font-size:2.4rem}.landing-stats{grid-template-columns:repeat(2,1fr);gap:26px;padding:26px 0;margin-bottom:48px}.three-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.site-main{padding:26px 26px 64px}.site-header{padding:0 26px;gap:20px}.site-actions .btn.secondary{display:none}.landing-section{margin:48px 0}.auth-layout{grid-template-columns:1fr;padding:15px 26px 60px}.auth-story{display:none}.auth-form-wrap{padding-top:10px}.page-heading{flex-direction:column;gap:20px}.heading-actions{width:100%}.module-row{padding:20px;gap:15px}.module-row .btn{padding:10px;font-size:.85rem;min-height:44px}.module-row .btn .icon{display:none}.question-panel{padding:26px}.question-panel h2{font-size:1.65rem}.quiz-summary{margin:20px 0}.certificate{padding:35px 28px 22px}.certificate header{margin-bottom:30px}.certificate .recipient{font-size:1.9rem}.cert-facts{gap:20px}.cert-seal{width:70px;height:70px}.cert-signature{min-width:115px}.cert-signature img{width:135px}.cert-issued{max-width:180px}.cert-issued span{font-size:9px}.result-hero{padding:30px}.result-hero .row{flex-direction:column}.result-hero .btn{width:100%}.site-footer{padding:28px;gap:20px}.section-heading{align-items:flex-start;flex-direction:column}.profile-intro{align-items:flex-start}.onboarding-options{grid-template-columns:1fr}.goal-choice{display:flex;justify-content:space-between}}
@media(max-width:500px){:root{font-size:17px}.topbar{padding:0 18px;gap:12px;height:72px}.topbar-actions{gap:9px}.topbar-actions>.icon-btn:first-child{display:none}.xp-chip{font-size:.84rem;padding:8px 10px}.xp-chip .icon{width:18px}.main{padding:24px 18px 96px}.page-heading h1{font-size:2rem}.page-heading .lede{font-size:.98rem}.three-grid,.two-grid{grid-template-columns:1fr}.panel{padding:23px}.welcome-banner{padding:27px}.welcome-banner h2{font-size:1.8rem}.welcome-banner .welcome-emblem{display:none}.welcome-banner p{font-size:.93rem}.hero h1{font-size:3.25rem}.site-header{padding:0 20px;height:80px}.site-header .brand{font-size:1.45rem}.site-header .brand>svg{width:32px}.site-actions .icon-btn{display:none}.site-actions .btn{font-size:.85rem;min-height:44px;padding:10px 14px}.site-main{padding:26px 20px 50px}.hero .lede{font-size:1rem}.hero .btn{width:100%}.hero .row{gap:12px}.hero-card{min-height:430px;padding:28px}.hero-card h2{font-size:2.1rem;max-width:240px}.hero-card .hero-glyph{right:-7px;top:115px}.hero-card-bottom{padding-top:170px}.hero-card-bottom .btn{width:auto}.hero-tag{right:15px;top:260px}.hero-card-bottom p{font-size:.83rem;max-width:160px}.landing-stats strong{font-size:1.8rem}.landing-stats span{font-size:.9rem}.next-card{gap:16px}.module-row{padding:18px;align-items:flex-start;flex-wrap:wrap}.module-number{width:43px;height:43px;border-radius:12px}.module-row .module-info{flex-basis:calc(100% - 65px)}.module-row .btn{margin-left:58px}.module-row p{font-size:.85rem}.question-panel{padding:22px 19px}.question-panel h2{font-size:1.5rem;line-height:1.4;margin:23px 0}.answer{padding:15px 13px;gap:13px;font-size:.97rem;min-height:83px}.answer-letter{width:32px;height:34px}.question-bottom .btn{flex:1;min-width:120px}.question-bottom{gap:12px}.feedback{padding:20px 17px}.feedback p{font-size:.98rem}.question-map{grid-template-columns:repeat(5,1fr);gap:12px}.map-number{min-height:44px}.quiz-sidebar .map-panel{padding:22px}.concept-steps{grid-template-columns:1fr;gap:12px}.concept-node{flex-direction:row;text-align:left;justify-content:flex-start;font-size:.9rem;padding:14px}.concept-node .icon{right:18px;top:auto;transform:rotate(90deg);position:static;margin-left:auto}.concept-node strong{flex:1}.keyboard-hint{display:none}.concept .row{gap:10px}.mode-banner{padding:14px 16px;line-height:1.6;font-size:.87rem}.price-card{padding:27px}.result-hero{padding:30px 24px}.result-hero h1{font-size:1.8rem}.dialog-content{padding:24px}.certificate{padding:30px 24px 22px}.certificate header{flex-direction:column;align-items:start;gap:12px}.cert-id{text-align:left;font-size:10px}.certificate h2{font-size:2.2rem}.certificate .recipient{font-size:1.8rem}.cert-facts{flex-direction:column;gap:12px}.certificate footer{flex-wrap:wrap;gap:18px}.cert-issued{max-width:100%;text-align:left;width:100%}.certificate .cert-disclaimer{font-size:10px}.filter-row select{max-width:none;width:100%}.site-footer{flex-direction:column;align-items:flex-start}.site-footer p{margin-left:0}.notification{gap:14px}.notification>.icon-btn{width:40px}.profile-intro .avatar{width:58px;height:58px}.section-heading h2{font-size:1.8rem}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
@media print{body{background:white}.sidebar,.topbar,.bottom-nav,.site-header,.site-footer,.page-heading,.mode-banner,.print-hide,#toasts{display:none!important}.app-shell{padding:0}.main,.site-main{padding:0;max-width:none}.certificate{box-shadow:none;border:0;width:100%;max-width:none;break-inside:avoid;font-size:12px;color:#173e2e!important}.certificate *{-webkit-print-color-adjust:exact;print-color-adjust:exact}.certificate header{margin-bottom:25px}.certificate h2{font-size:43px}.certificate .recipient{font-size:30px}.certificate footer{margin:24px 0}.cert-issued{max-width:260px}.cert-id{font-size:10px}@page{size:A4 landscape;margin:9mm}}
}

@layer adaptive { .icon-btn.mobile-menu{display:none} .nav-label,.eyebrow{font-size:max(14px,.82rem)} @media(max-width:1000px){.icon-btn.mobile-menu{display:inline-grid}} }
@layer adaptive { @media(max-width:500px){ .topbar-actions [data-action="theme"]{display:none}.topbar-actions{min-width:0}.xp-chip{white-space:nowrap}.question-bottom{flex-wrap:wrap}.result-review>div{min-width:0;overflow-wrap:anywhere} } }
@layer components { #toasts,.toast{pointer-events:none}.toast button,.toast a{pointer-events:auto} }

@layer adaptive { @media(max-width:1000px){.bottom-nav a{font-size:14px}} .feedback h3{flex-wrap:wrap}.feedback h3 .pill{white-space:nowrap} }

@layer adaptive{.sidebar-close{display:none;position:absolute;top:22px;right:14px}@media(max-width:1000px){.sidebar-close{display:inline-grid}}}