:root{
  --ink:#271b30;--muted:#71677e;--lavender:#b98bf0;--purple:#7642aa;--purple-deep:#472366;
  --pink:#f5a4c9;--cream:#fcf8ff;--paper:#fbf9fe;--pale:#f2ebfb;--line:#e7ddef;
  --success:#34866c;--lime:#e8f1c6;--shadow:0 8px 0 #271b3012;--font:'Space Grotesk',sans-serif;--mono:'DM Mono',monospace
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased}
button,input,textarea{font:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid #c579f4;outline-offset:3px}
::selection{background:#e2c0fc;color:#241329}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:270px;flex:0 0 270px;background:#f0e9f9;border-right:1px solid #dfd1ec;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:30}
.brand{padding:28px 23px 25px;display:flex;align-items:center;gap:12px;border-bottom:1px solid #decfec}
.brand-emblem{width:43px;height:43px;background:var(--ink);border-radius:13px;display:grid;place-items:center;position:relative;color:#fff;font-size:26px;font-weight:700;line-height:1;transform:rotate(-7deg)}
.brand-emblem>span{color:#f7a7d1;font-size:13px;position:absolute;top:4px;right:3px}
.brand-words strong{display:block;font-size:20px;letter-spacing:-1.4px;font-weight:700;white-space:nowrap}
.brand-dot{color:#ab6ee5}
.brand-words small{font:500 9px var(--mono);letter-spacing:1.15px;color:#8e7a9c;display:block;margin-top:1px}
.sidebar-inner{padding:27px 17px 12px;overflow:auto;min-height:0;flex:1}
.side-eyebrow,.eyebrow{font:500 10px var(--mono);letter-spacing:1.5px;text-transform:uppercase;color:#907c9e}
.side-eyebrow{padding:0 13px;margin:0 0 14px}
.side-link{display:flex;align-items:center;gap:10px;width:100%;border:1px solid transparent;padding:12px 13px;border-radius:13px;font-size:13px;font-weight:700;margin-bottom:6px;background:transparent;text-align:left;transition:.16s}
.side-link:hover{background:#e8daf5}
.side-link.active{border-color:#cfb9e2;background:white;box-shadow:0 3px 0 #e0cfec}
.side-link .icon{width:21px;text-align:center;font-size:18px}
.side-link .tiny-tail{margin-left:auto;color:#8a78a0;font:11px var(--mono)}
.side-divider{height:1px;background:#ddcee9;margin:23px 8px 24px}
.side-module{margin-bottom:19px}
.module-heading{display:flex;justify-content:space-between;align-items:center;padding:0 11px;margin-bottom:10px}
.module-heading .module-name{font:500 10px var(--mono);color:#736080;letter-spacing:1.2px}
.module-heading .module-count{font:10px var(--mono);color:#9b86aa}
.lesson-link{display:flex;align-items:center;gap:11px;width:100%;background:transparent;border:1px solid transparent;text-align:left;border-radius:11px;padding:9px 10px;min-height:42px;margin-bottom:3px;color:#736581;font-weight:600;font-size:12px;transition:.15s}
.lesson-link:hover{background:#e7daf5;color:var(--ink)}
.lesson-link.active{background:#dec8f3;color:#352045;border-color:#d2b4ed}
.lesson-indicator{width:23px;height:23px;flex:0 0 23px;border:1px solid #c8b6d9;background:#f9f6fd;border-radius:8px;display:grid;place-items:center;font:10px var(--mono);color:#8b72a1}
.lesson-link.active .lesson-indicator{background:#2b1935;border-color:#2b1935;color:white}
.lesson-link.done .lesson-indicator{background:#c6eadc;border-color:#8bb7a9;color:#21785c;font-size:12px}
.sidebar-bottom{padding:10px 23px 22px;margin-top:auto}
.sidebar-pep{display:flex;gap:12px;align-items:flex-start;background:#e8dcf4;border-radius:12px;padding:15px 14px;color:#655175;font-size:11px;line-height:1.55;font-weight:600}
.sidebar-pep .pep-star{font-size:23px;line-height:1;color:#a16bcc}
.sidebar-pep em{font-style:normal;color:#7a45b0}
.side-credit{font:9px var(--mono);letter-spacing:.5px;color:#aa91b9;display:flex;justify-content:space-between;margin-top:23px}
.side-credit span{color:#ba75a8}
.main-column{min-width:0;flex:1;min-height:100vh;display:flex;flex-direction:column}
.topbar{height:78px;min-height:78px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 42px;background:#fdfaff}
.topbar-left{font:500 10px var(--mono);letter-spacing:1.05px;color:#90809e;white-space:nowrap}
.topbar-symbol{color:#b27cd5;margin-right:9px}.topbar-symbol.dim{margin-left:9px;margin-right:0;color:#e2caee}
.topbar-right{display:flex;gap:23px;align-items:center}
.top-date{font:10px var(--mono);color:#a495ad;white-space:nowrap}
.top-progress{display:flex;align-items:center;gap:6px;color:#624679;font-size:12px;font-weight:700;white-space:nowrap}
.progress-glyph{font-size:16px;color:#a273d4}
.avatar{height:35px;width:35px;display:grid;place-items:center;border:2px solid #271b30;border-radius:50%;background:#d6b2ee;font-weight:700;font-size:16px;box-shadow:2px 2px 0 #271b30}
.mobile-menu-btn{display:none!important}
.view{width:100%;max-width:1610px;margin:0 auto;flex:1;padding:38px 48px 64px;outline:none}
.app-footer{padding:18px 45px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#a393ac;font:10px var(--mono);letter-spacing:.1px;gap:14px}
.footer-sparkle{color:#aa7dd0}.heart{color:#dd8caf}
/* SHARED */
.kicker{display:inline-flex;align-items:center;gap:9px;color:#77518b;font:500 10px var(--mono);letter-spacing:1.2px;text-transform:uppercase}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:#b17bc9}
h1,h2,h3,h4,p{margin-top:0}
h1,h2,h3{letter-spacing:-.065em}
p{line-height:1.7}
.btn{border:2px solid var(--ink);border-radius:11px;display:inline-flex;justify-content:center;align-items:center;gap:10px;min-height:46px;padding:0 21px;font-weight:700;font-size:13px;letter-spacing:-.01em;transition:transform .12s,box-shadow .12s,background .12s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(2px);box-shadow:none!important}
.btn-primary{background:var(--ink);color:white;box-shadow:3px 4px 0 #b393d6}
.btn-primary:hover{background:#463052}
.btn-white{background:white;color:var(--ink);box-shadow:3px 4px 0 #e4c9f1}
.btn-purple{background:#9b6ad5;color:#fff;box-shadow:3px 4px 0 #d8bbf5}
.btn-outline{border-color:#dcd0e6;background:white;color:#4f405e;box-shadow:none}
.btn-soft{background:#efe1fa;color:#5c3780;border:1px solid #d8c1f0}
.btn-small{min-height:36px;padding:0 14px;border-radius:9px;font-size:11px;border-width:1px}
.btn-quiet{background:transparent;border:0;color:#83728d;font:11px var(--mono);padding:9px 11px;border-radius:8px;cursor:pointer}
.btn-quiet:hover{background:#f2ecf7;color:#51366b}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:15px;margin:39px 0 18px}
.section-heading h2{font-size:24px;letter-spacing:-1.4px;line-height:1.2;margin:7px 0 0}
.section-heading .section-meta{font:11px var(--mono);color:#9785a2;padding-bottom:3px}
/* HOME */
.home-hero{border:1px solid #dbc7ec;border-radius:23px;background:#e8d6f7;min-height:347px;position:relative;overflow:hidden;display:grid;grid-template-columns:1fr 37%;isolation:isolate}
.home-hero::before{content:'';position:absolute;width:570px;height:570px;border-radius:50%;border:1px solid #d9b5f0;right:-150px;top:-250px;z-index:-1}
.home-hero::after{content:'';position:absolute;width:370px;height:370px;border-radius:50%;border:1px solid #d9b5f0;right:-65px;top:-120px;z-index:-1}
.hero-copy{padding:42px 0 38px 45px;max-width:630px;z-index:2}
.hero-note{display:inline-flex;gap:7px;align-items:center;font:500 10px var(--mono);color:#553675;letter-spacing:.9px;border:1px solid #b78acb;background:#f5eaff;border-radius:40px;padding:8px 12px}
.hero-note span{color:#cc73a7}
.home-hero h1{font-size:clamp(39px,4.6vw,64px);font-weight:700;line-height:1.04;margin:25px 0 16px;letter-spacing:-.085em;max-width:650px}
.home-hero h1 em{color:#8650be;font-style:normal}
.home-hero p{font-size:13px;max-width:385px;color:#695377;line-height:1.65;margin-bottom:26px;font-weight:500}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:15px}
.hero-whisper{font:10px var(--mono);color:#755a81}
.hero-whisper b{font-size:14px;color:#a96fc5;margin-right:3px}
.hero-art{position:relative;display:flex;justify-content:center;align-items:flex-end;overflow:hidden}
.mascot-wrap{position:absolute;bottom:-11px;right:12%;width:min(90%,360px);transform:rotate(-6deg);filter:drop-shadow(12px 11px 0 rgba(111,68,150,.12))}
.mascot-svg{display:block;width:100%;height:auto}
.float-star{position:absolute;font-family:var(--mono);font-size:37px;color:#fff8cc;z-index:2;animation:float 3.5s ease-in-out infinite}
.float-star.one{top:42px;left:15%}.float-star.two{top:85px;right:14%;font-size:20px;animation-delay:-1.2s;color:#bc82e7}
.float-star.three{bottom:45px;left:12%;font-size:25px;animation-delay:-2s;color:#f6a7d0}
.hero-art .halo-text{font:500 9px var(--mono);position:absolute;top:29px;right:23px;transform:rotate(11deg);color:#8754a9;letter-spacing:2px}
@keyframes float{50%{transform:translateY(-10px) rotate(9deg)}}
.overview-strip{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:16px;margin-top:18px}
.overview-box{background:white;border:1px solid var(--line);border-radius:16px;min-height:104px;padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.overview-box .stat-label{font:500 10px var(--mono);letter-spacing:1px;text-transform:uppercase;color:#9887a4}
.overview-box .stat-big{font-size:30px;line-height:1.15;letter-spacing:-2px;font-weight:700;margin-top:8px}
.overview-box .stat-big small{font-size:14px;letter-spacing:-.2px;color:#b09db8;font-weight:500}
.overview-box .stat-icon{font-size:28px;color:#b185da}
.overview-box .stat-copy{font-size:12px;font-weight:700;margin-top:9px}
.tiny-track{width:80px;height:8px;border-radius:50px;background:#f1e7f8;overflow:hidden;margin-top:15px}
.tiny-track>span{display:block;background:#a16ac9;height:100%;border-radius:inherit;transition:width .2s}
.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}
.course-card{border:1px solid var(--line);background:white;border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.course-card:hover{transform:translateY(-4px);box-shadow:0 12px 25px #72538713}
.course-illustration{height:133px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.course-illustration.html{background:#f6dbe7}.course-illustration.css{background:#e8e1f9}.course-illustration.js{background:#f7eed5}
.course-illustration::before,.course-illustration::after{position:absolute;content:'✦';color:#ffffffa8;font-size:40px;top:18px;left:25px}
.course-illustration::after{content:'✳';top:auto;left:auto;bottom:17px;right:27px;font-size:31px}
.course-mark{border:2px solid var(--ink);border-radius:15px;box-shadow:6px 6px 0 #26183122;display:grid;place-items:center;font-size:37px;font-weight:700;letter-spacing:-3px;width:96px;height:86px;transform:rotate(-7deg);background:#fff4fc}
.css .course-mark{transform:rotate(5deg);background:#f6edff}.js .course-mark{transform:rotate(-5deg);background:#fff8df}
.course-card-body{padding:21px 21px 20px;flex:1;display:flex;flex-direction:column}
.course-card .module-subtitle{font:10px var(--mono);color:#a08cab;letter-spacing:.8px;margin-bottom:9px}
.course-card h3{font-size:21px;margin:0 0 9px;letter-spacing:-1.25px}
.course-card p{color:#887991;font-size:12px;line-height:1.65;margin:0 0 23px}
.course-card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;border-top:1px solid #f0eaf4;padding-top:17px}
.course-card-foot>span{font:10px var(--mono);color:#a18ead}
.course-card-foot button{border:0;background:transparent;color:#6c4093;font-weight:700;font-size:12px;padding:0}
.course-card-foot button:hover{text-decoration:underline}
.steps-panel{background:#f3edf9;border:1px solid #e6dbee;border-radius:18px;padding:26px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step{display:flex;align-items:flex-start;gap:12px}.step-num{font:500 11px var(--mono);border:1px solid #ddcaec;background:white;color:#9e6fbd;border-radius:7px;padding:7px}
.step h3{font-size:13px;letter-spacing:-.3px;margin:0 0 6px}.step p{color:#8a7c95;font-size:11px;line-height:1.65;margin:0}
.stickers{display:flex;flex-wrap:wrap;gap:9px;margin-top:15px}.sticker{padding:8px 11px;border-radius:10px;font:11px var(--mono);color:#aca0b3;background:#f8f4fa;border:1px dashed #e0d4e8}
.sticker.unlocked{border-style:solid;color:#69427f;background:#f1e2fa;border-color:#cdaee5}
/* LESSON */
.lesson-back{font:11px var(--mono);color:#8c78a0;background:none;border:0;padding:0;margin-bottom:24px;display:inline-flex;gap:8px;align-items:center}
.lesson-back:hover{color:#56356c}
.lesson-header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:23px}
.lesson-header h1{font-size:clamp(32px,3.1vw,44px);line-height:1.07;margin:12px 0 10px;letter-spacing:-.075em}
.lesson-header p{font-size:13px;color:#8b7c94;margin:0}
.lesson-pill{border:1px solid #dfd0e9;border-radius:30px;padding:10px 13px;font:11px var(--mono);color:#88699e;background:#f8f3fc;white-space:nowrap}
.lesson-columns{display:grid;grid-template-columns:minmax(265px,.81fr) minmax(0,1.45fr);gap:21px;align-items:start}
.teaching-column{display:flex;flex-direction:column;gap:17px}
.learn-card,.mission-card,.hint-card{border:1px solid var(--line);border-radius:17px;padding:24px;background:white}
.card-eyebrow{display:flex;align-items:center;gap:8px;font:500 10px var(--mono);letter-spacing:1.1px;color:#ac7ac5;text-transform:uppercase;margin-bottom:14px}
.card-eyebrow>span{font-size:17px}
.learn-card h2{font-size:20px;letter-spacing:-.9px;margin:0 0 12px}
.learn-card p{font-size:12px;color:#746680;line-height:1.75;margin-bottom:16px}
.code-example{font:12px/1.8 var(--mono);color:#513b68;border:1px solid #e6d8f0;background:#f8f3fc;border-radius:10px;padding:13px 15px;white-space:pre-wrap;overflow-wrap:anywhere;margin:0 0 14px}
.learn-card .tip{border-top:1px solid #f0ebf4;padding-top:15px;color:#877393;font-size:11px;line-height:1.7}
.learn-card .tip b{color:#684c80}
.mission-card{background:#e8d9f6;border-color:#d8c0ec;position:relative;overflow:hidden}
.mission-card::after{content:'✳';position:absolute;top:19px;right:18px;color:#c09bdc;font-size:34px}
.mission-card h2{font-size:23px;margin:0 0 9px;letter-spacing:-1.15px;max-width:90%}
.mission-card>p{font-size:12px;color:#735c82;line-height:1.7;margin:0 0 18px}
.mission-checklist{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.mission-checklist li{display:flex;gap:10px;align-items:flex-start;color:#634e70;font-size:11px;line-height:1.5;font-weight:600}
.check-box{flex:0 0 16px;width:16px;height:16px;border:1px solid #aa85c6;border-radius:5px;background:#f6edfd;display:grid;place-items:center;font-size:11px;color:#328463;line-height:1}
.mission-checklist li.passed .check-box{border-color:#5bb18f;background:#d9f9eb}
.mission-checklist li.passed{color:#317b63}
.hint-card{background:#fff8e9;border-color:#f0e5c6;padding:0;overflow:hidden}
.hint-btn{width:100%;display:flex;align-items:center;justify-content:space-between;background:transparent;border:0;padding:15px 18px;color:#766247;font-size:12px;font-weight:700;text-align:left}
.hint-card p{font-size:11px;color:#846f51;line-height:1.7;margin:0;padding:0 18px 16px}
.hint-arrow{font-size:15px;transition:transform .15s}.hint-card.expanded .hint-arrow{transform:rotate(180deg)}
/* EDITOR */
.workspace{background:#fff;border:1px solid #dfd2e9;border-radius:18px;overflow:hidden;box-shadow:0 7px 28px #5332740b}
.workspace-top{height:50px;background:#33233d;display:flex;align-items:center;justify-content:space-between;color:#e9d9f4;padding:0 17px;gap:10px}
.window-dots{display:flex;gap:6px;align-items:center}.window-dots i{width:9px;height:9px;display:block;border-radius:50%;background:#ff9aae}.window-dots i:nth-child(2){background:#f1d291}.window-dots i:nth-child(3){background:#97d3bd}
.workspace-file{font:10px var(--mono);color:#bca9ca;letter-spacing:.3px}
.workspace-top-right{font:9px var(--mono);color:#9a85ac}
.editor-tabs{display:flex;align-items:center;border-bottom:1px solid #e5dcea;background:#f9f5fd;padding:0 12px;gap:4px}
.editor-tab{background:transparent;border:0;border-bottom:2px solid transparent;color:#9c8da7;font:500 11px var(--mono);padding:14px 15px 12px;display:flex;align-items:center;gap:8px;transition:.14s}
.editor-tab:hover{color:#573d69;background:#f2eaf9}
.editor-tab.active{color:#4c2d69;border-bottom-color:#8c52c1;background:#fff}
.tab-dot{width:7px;height:7px;border-radius:2px;display:inline-block}.html-tab .tab-dot{background:#eaa2b9}.css-tab .tab-dot{background:#ac91dc}.js-tab .tab-dot{background:#e5bb64}
.editor-body{position:relative;background:#fff;min-height:264px}
.editor-gutter{position:absolute;left:0;top:0;bottom:0;width:42px;background:#fbf8fe;border-right:1px solid #f1ecf4;color:#c6b9cf;font:12px/22px var(--mono);padding:17px 11px;text-align:right;overflow:hidden;user-select:none;pointer-events:none;white-space:pre}
.code-input{width:100%;height:264px;min-height:264px;display:block;resize:vertical;border:0;outline:none;padding:17px 18px 17px 54px;background:transparent;color:#4c345f;font:12px/22px var(--mono);tab-size:2;letter-spacing:-.15px;white-space:pre;overflow:auto}
.code-input:focus{outline:none}
.editor-toolbar{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:11px 13px;border-top:1px solid #f0eaf5;background:#fdfaff;flex-wrap:wrap}
.toolbar-side{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.keyboard-tip{font:9px var(--mono);color:#aaa0b2;margin-right:6px}
.preview-bar{display:flex;justify-content:space-between;align-items:center;padding:13px 17px 12px;border-top:1px solid #e8dfed}
.preview-label{font:500 10px var(--mono);color:#685576;letter-spacing:.6px;display:flex;align-items:center;gap:7px}
.preview-label span{width:7px;height:7px;background:#80cbb0;border-radius:50%}
.preview-notice{font:9px var(--mono);color:#a99eb2}
.preview-outer{background:#f3edf8;padding:18px;min-height:240px;display:flex;justify-content:center;align-items:stretch;transition:background .2s}
.preview-frame{background:white;border:1px solid #e1d5e7;border-radius:9px;width:100%;min-height:219px;height:219px;display:block;transition:width .2s;box-shadow:0 2px 8px #271b3008}
.preview-outer.mobile .preview-frame{width:320px;max-width:100%;height:340px}
.preview-toggle{display:flex;gap:3px;border:1px solid #e9e0ed;padding:3px;border-radius:7px}
.preview-toggle button{border:0;background:transparent;border-radius:4px;font:10px var(--mono);color:#a494ae;padding:5px 7px}
.preview-toggle button.active{background:#e9def2;color:#614477}
.feedback{padding:14px 16px;display:flex;align-items:flex-start;gap:12px;border-top:1px solid #e8dfed;background:#fbf8ff;min-height:58px}
.feedback.default{color:#927e9e}.feedback.success{background:#e8f6ef;color:#246b54}.feedback.error{background:#fff0ee;color:#944e59}
.feedback-icon{font-size:18px;line-height:1}
.feedback-text{flex:1;font-size:11px;line-height:1.6}
.feedback-text strong{font-weight:700;display:block;font-size:12px;margin-bottom:2px}
.feedback-text .muted-text{opacity:.76}
.finish-row{display:flex;justify-content:space-between;gap:14px;margin-top:20px;align-items:center}
.finish-row span{font:10px var(--mono);color:#95839f}
.success-splash{text-align:center;background:#efe2fa;border:1px solid #d5b9e8;border-radius:16px;padding:18px 14px 22px;margin-top:15px}
.success-splash .big-star{font-size:38px;display:block;color:#a977d2;margin-bottom:8px}.success-splash b{font-size:16px;display:block}.success-splash p{font-size:11px;color:#775f85;margin:6px auto 13px;max-width:240px}
/* PLAYGROUND */
.page-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:25px}
.page-intro h1{font-size:clamp(36px,4vw,55px);line-height:1.07;margin:14px 0 10px}
.page-intro p{font-size:13px;color:#80718c;margin:0;max-width:520px}
.intro-sticker{border:1px solid #e6d8f0;border-radius:14px;background:#f0e0fc;padding:15px 19px;font-size:25px;transform:rotate(5deg)}
.playground-layout{display:grid;grid-template-columns:1fr 240px;gap:20px;align-items:start}
.playground-aside{background:#efddfa;border:1px solid #d8bde8;border-radius:17px;padding:21px}
.playground-aside h2{font-size:18px;margin:10px 0;letter-spacing:-1px}
.playground-aside p{font-size:12px;color:#7c618c;line-height:1.7}
.playground-aside .aside-note{margin:23px 0 0;border-top:1px solid #d8bce9;padding-top:17px;color:#a083af;font:10px/1.8 var(--mono)}
.playground-layout .editor-body{min-height:310px}.playground-layout .code-input{height:310px}.playground-layout .preview-outer{min-height:305px}.playground-layout .preview-frame{height:278px}
/* GLOSSARY */
.glossary-intro{margin-bottom:27px}.glossary-intro h1{font-size:clamp(34px,4vw,52px);margin:14px 0 10px}.glossary-intro p{font-size:13px;color:#84728f}
.glossary-search-wrap{display:flex;align-items:center;gap:10px;background:white;border:1px solid #e0d5e8;border-radius:11px;padding:0 16px;margin-bottom:20px;max-width:580px}
.glossary-search-wrap span{font-size:21px;color:#b598c7}
.glossary-search{width:100%;border:0;outline:none;padding:16px 0;font-size:13px;color:var(--ink);background:transparent}
.glossary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.glossary-card{background:white;border:1px solid #e8deee;border-radius:15px;padding:21px;min-height:150px}
.glossary-term{font:500 10px var(--mono);color:#9d77b5;letter-spacing:1px;margin-bottom:9px}
.glossary-card h3{font-size:18px;margin:0 0 9px;letter-spacing:-.7px}.glossary-card p{font-size:11px;color:#85788e;line-height:1.7;margin:0}
.empty-state{grid-column:1/-1;padding:40px 10px;text-align:center;color:#8f7d9c}
/* CONFETTI + TOAST */
.toast{position:fixed;right:25px;bottom:24px;background:#2e1d3a;border:1px solid #a87cc3;color:white;border-radius:12px;box-shadow:5px 7px 0 #bfa0d07a;padding:13px 17px;z-index:100;font-size:12px;font-weight:600;transform:translateY(120px);opacity:0;transition:transform .25s,opacity .25s;pointer-events:none;max-width:min(380px,calc(100vw - 40px))}
.toast.show{transform:translateY(0);opacity:1}
.confetti{position:fixed;z-index:110;top:35%;left:50%;pointer-events:none;font:30px var(--mono);animation:confetti-fly 1.15s ease-out forwards}
@keyframes confetti-fly{100%{transform:translate(var(--tx),var(--ty)) rotate(var(--rot));opacity:0}}
.sidebar-backdrop{display:none}
/* RESPONSIVE */
@media(min-width:1600px){.view{padding-left:62px;padding-right:62px}.home-hero{min-height:375px}.hero-copy{padding:49px 0 43px 50px}.mascot-wrap{width:380px}}
@media(max-width:1200px){.sidebar{width:242px;flex-basis:242px}.brand{padding-left:18px;padding-right:18px}.topbar{padding:0 30px}.view{padding:32px 30px 55px}.home-hero{grid-template-columns:1fr 35%}.hero-copy{padding-left:30px}.home-hero h1{font-size:47px}.mascot-wrap{right:1%;width:285px}.lesson-columns{grid-template-columns:minmax(235px,.82fr) minmax(0,1.3fr)}.app-footer{padding-left:30px;padding-right:30px}}
@media(max-width:1000px){.sidebar{width:235px;flex-basis:235px}.top-date{display:none}.topbar-left{letter-spacing:.4px;font-size:9px}.view{padding-left:24px;padding-right:24px}.home-hero{grid-template-columns:1fr 32%;min-height:315px}.home-hero h1{font-size:42px}.hero-copy{padding:30px 0 30px 27px}.mascot-wrap{width:250px;right:-23px}.course-grid{gap:11px}.course-card-body{padding:17px}.course-card h3{font-size:18px}.lesson-columns{grid-template-columns:1fr}.teaching-column{display:grid;grid-template-columns:1fr 1fr}.learn-card{grid-row:span 2}.lesson-header h1{font-size:42px}.playground-layout{grid-template-columns:1fr}.playground-aside{display:none}.glossary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:740px){.sidebar{position:fixed;left:0;top:0;bottom:0;height:100dvh;transform:translateX(-105%);transition:transform .23s;box-shadow:5px 0 35px #37234612;width:280px;max-width:84vw;z-index:80}.sidebar.open{transform:translateX(0)}.sidebar-backdrop.visible{display:block;position:fixed;inset:0;background:#2d1b3b66;z-index:70}.topbar{height:67px;min-height:67px;padding:0 20px;gap:10px}.mobile-menu-btn{display:grid!important}.icon-button{width:37px;height:37px;place-items:center;border:1px solid #e7d8ee;background:#f5ecfb;border-radius:10px}.hamburger{display:flex;flex-direction:column;gap:4px}.hamburger i{display:block;width:16px;height:2px;border-radius:2px;background:#5c3d71}.topbar-left{font-size:9px;margin-right:auto}.topbar-symbol.dim{display:none}.topbar-right{gap:11px}.top-progress{font-size:10px}.avatar{height:30px;width:30px;font-size:14px}.view{padding:27px 20px 42px}.home-hero{grid-template-columns:1fr minmax(110px,31%);min-height:310px}.hero-copy{padding:29px 0 26px 24px}.home-hero h1{font-size:clamp(33px,7vw,46px);margin:18px 0 11px}.home-hero p{font-size:12px;max-width:330px}.mascot-wrap{width:240px;right:-68px;bottom:-4px}.hero-actions{gap:11px}.hero-whisper{display:none}.overview-strip{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.overview-box{padding:15px;min-height:88px}.overview-box .stat-big{font-size:24px}.overview-box .stat-icon{display:none}.overview-box .stat-label{font-size:8px}.overview-box .stat-copy{font-size:10px}.course-grid{grid-template-columns:1fr}.course-card{display:grid;grid-template-columns:130px 1fr}.course-illustration{height:100%;min-height:165px}.course-mark{width:70px;height:64px;font-size:27px}.course-card-body{padding:18px}.course-card p{margin-bottom:12px}.course-card-foot{padding-top:10px}.steps-panel{gap:18px;padding:19px}.step{display:block}.step-num{display:inline-block;margin-bottom:9px}.lesson-header h1{font-size:38px}.app-footer{font-size:9px;padding:17px 20px}}
@media(max-width:550px){.topbar-left{font-size:0}.topbar-symbol{font-size:17px;vertical-align:middle}.home-hero{display:block;min-height:415px}.hero-copy{padding:25px 22px;max-width:100%;position:relative;z-index:5}.home-hero h1{font-size:42px;max-width:345px}.home-hero p{max-width:260px;margin-bottom:18px}.mascot-wrap{width:215px;right:-28px;bottom:-22px;opacity:.95}.float-star.one{left:auto;right:35px;top:30px}.float-star.three{left:auto;right:150px;bottom:25px}.overview-strip{grid-template-columns:1fr 1fr}.overview-box:last-child{display:none}.section-heading{margin-top:31px}.section-heading h2{font-size:22px}.course-card{grid-template-columns:108px 1fr}.course-illustration{min-height:158px}.course-mark{height:61px;width:66px}.course-card-body{padding:15px}.course-card h3{font-size:17px}.steps-panel{grid-template-columns:1fr;gap:16px}.step{display:flex}.step-num{margin:0}.teaching-column{display:flex}.lesson-back{margin-bottom:18px}.lesson-header{display:block}.lesson-header h1{font-size:37px}.lesson-pill{display:inline-block;margin-top:14px}.lesson-columns{gap:15px}.learn-card,.mission-card{padding:21px}.workspace-top{height:43px}.workspace-top-right{display:none}.editor-tabs{padding:0 8px}.editor-tab{padding:12px}.code-input{height:239px;min-height:239px;font-size:11px;line-height:21px}.editor-gutter{font-size:11px;line-height:21px}.editor-toolbar{align-items:start;gap:8px}.keyboard-tip{display:none}.preview-notice{display:none}.preview-outer{padding:11px;min-height:213px}.preview-frame{height:190px;min-height:190px}.finish-row{flex-direction:column;align-items:stretch}.finish-row .btn{width:100%}.finish-row>span{text-align:center}.glossary-grid{grid-template-columns:1fr}.page-intro h1{font-size:39px}.intro-sticker{display:none}.page-intro p{font-size:12px}.app-footer span:nth-child(2){display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

@media(max-width:550px){
  .home-hero{padding-bottom:122px}
  .hero-art{position:absolute;right:0;bottom:0;width:205px;height:155px;overflow:visible;pointer-events:none}
  .hero-art .mascot-wrap{width:150px;right:9px;bottom:0;transform:rotate(-7deg)}
  .hero-art .float-star.one{top:4px;left:3px;right:auto}
  .hero-art .float-star.two{top:25px;right:15px}
  .hero-art .float-star.three{bottom:0;left:2px;right:auto}
  .hero-art .halo-text{display:none}
}