/* Illustrated academy with Papa as the recurring learning companion. */
.auth-screen{justify-items:stretch}.progress-meta b>span{display:inline;color:inherit;font-size:inherit}
:root{--ink:#29263d;--muted:#706c82;--night:#252343;--navy:#333057;--teal:#6652b4;--gold:#edc66b;--gold2:#ffe2a2;--paper:#f6f4fb;--cream:#fff;--green:#287563;--red:#a83e4b;--line:#e8e3f1;--shadow:0 16px 48px #30264f0b}
body{background:radial-gradient(ellipse at 90% 0,#eae3fa 0,transparent 36%),#f6f4fb;font-family:"Trebuchet MS","Segoe UI",Arial,sans-serif;line-height:1.5}
button,input{font-family:inherit}button{touch-action:manipulation}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible{outline:3px solid #8865cd;outline-offset:4px}button,input{transition:background .18s,border-color .18s,box-shadow .18s,transform .18s}
.night{display:none}.topbar{width:min(1180px,calc(100% - 64px));min-height:100px;color:var(--ink);gap:16px}.brand{padding:0}.brand b{font:800 21px/1.2 "Trebuchet MS",sans-serif;letter-spacing:-.5px}.brand small{color:var(--muted);font-size:12px;margin-top:5px}.crest{background:#6955ae;color:#fff0c5;filter:none;clip-path:none;border-radius:17px;width:48px;height:52px;font-size:28px;box-shadow:0 5px 0 #ddd5ec;transform:rotate(-5deg)}
.top-actions{gap:20px}.parent-link{color:#544674;background:#fff9;border:1px solid #ded7ec;border-radius:12px;min-height:44px;padding:10px 16px;font-size:13px}.parent-link:hover{background:#fff}.sync{color:#5b7066;font-size:12px}.sync i{background:#499e79;box-shadow:none}.sync.offline{color:#94423b}.sync.saving{color:#806324}
main{width:min(1180px,calc(100% - 64px));margin:0 auto 40px}.kicker{font-size:11px;letter-spacing:.12em;color:#e2cef9;line-height:1.5}.kicker.dark{color:#82709e}.button{min-height:54px;border-radius:14px;padding:12px 25px;font-size:16px;font-weight:800}.gold{background:#7253b5;color:#fff;box-shadow:0 4px 0 #523989,0 8px 18px #64459716}.gold:hover{background:#6343a8;box-shadow:0 5px 0 #523989,0 10px 20px #64459725}.gold:active{transform:translateY(2px);box-shadow:0 2px 0 #523989}.ghost{background:#f0edf8;color:#67558c;border:1px solid #e3ddef}
.auth-screen{display:grid;grid-template-columns:1.1fr 1fr;min-height:0;align-items:stretch;border:1px solid #e6dfef;background:#fff;border-radius:30px;overflow:hidden;box-shadow:var(--shadow);margin:14px 0 0}
.welcome-aside{position:relative;min-height:660px;background:#25233e;overflow:hidden}.welcome-aside>img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center 30%}.welcome-aside:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,#201c36b8 67%,#201c36 100%)}.welcome-copy{position:absolute;z-index:1;bottom:36px;left:36px;right:30px;color:#fff}.welcome-copy h2{font:700 clamp(28px,3.2vw,40px)/1.13 Georgia,serif;letter-spacing:-.7px;margin:12px 0 14px}.welcome-copy>p:not(.kicker){color:#e0d8ee;font-size:14px;margin:0;line-height:1.6}.welcome-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:24px}.welcome-tags span{font-size:11px;padding:5px 10px;border:1px solid #ffffff30;background:#ffffff0c;border-radius:30px}
.auth-card{width:auto;padding:50px clamp(26px,4vw,60px);border:0;border-radius:0;background:#fff;box-shadow:none;text-align:left;align-self:center}.mini-spark{width:48px;height:48px;display:grid;place-items:center;margin-bottom:25px;background:#f3edfb;color:#8863b8;border-radius:16px;font-size:28px}.auth-card h1{font:800 clamp(27px,2.5vw,34px)/1.2 "Trebuchet MS",sans-serif;letter-spacing:-1px;margin:10px 0 14px}.auth-card>p:not(.kicker){font-size:14px;color:var(--muted);line-height:1.6}.auth-tabs{background:#f3f0f8;padding:5px;border-radius:13px;margin:25px 0 22px}.auth-tabs button{color:#777084;font-size:13px;min-height:43px}.auth-tabs button.active{color:#614398;box-shadow:0 2px 6px #3b224c10}.auth-card label{font-size:13px;color:#514961;margin:17px 0}.auth-card input{border:1.5px solid #e3deec;min-height:55px;border-radius:12px;background:#fdfcff;font-weight:500}.auth-card input:focus{border-color:#9475c7;box-shadow:0 0 0 4px #906ac713}.auth-help{color:#827b90;font-size:12px;min-height:36px}.auth-card .auth-footnote{font-size:11px!important;text-align:center;margin:23px 0 0;color:#827b90!important}.auth-error:empty{min-height:6px}.auth-error{line-height:1.5}
.hero{min-height:390px;padding:48px 48px 60px;border:0;border-radius:28px;background:#292440;box-shadow:none}.hero:before{display:none}.hero-copy{max-width:54%;z-index:2}.hero h1{font:700 clamp(35px,4.5vw,58px)/1.08 Georgia,serif;letter-spacing:-1.5px;overflow-wrap:anywhere}.hero-copy>p:not(.kicker){font-size:16px;line-height:1.65;color:#d6cee7;max-width:460px;margin:20px 0 25px}.hero .gold{background:#ffe0a1;color:#493828;box-shadow:0 4px 0 #b78e4d}.hero .gold:hover{background:#ffe9bd}.hero-copy .hero-note{font-size:12px!important;color:#c6b7dd!important;margin:16px 0 0!important}.hero-art{position:absolute;inset:0 0 0 auto;width:49%;overflow:hidden}.hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#292440 0,transparent 30%)}.hero-art img{width:100%;height:100%;object-fit:cover;object-position:center 46%}
.progress-card{margin:-24px 30px 0;padding:24px 28px 22px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 8px 24px #30264f09}.progress-card h2{font:800 23px/1.2 "Trebuchet MS",sans-serif;letter-spacing:-.5px}.progress-card .kicker{margin-bottom:7px}.progress-meta b{color:#977028;font-size:24px}.progress-track{height:9px;background:#efebf6}.progress-track i{background:linear-gradient(90deg,#9270cb,#c0a4ec)}
.route{padding-top:46px}.section-heading{margin-bottom:24px}.section-heading h2{font:800 29px/1.2 "Trebuchet MS",sans-serif;letter-spacing:-.7px}.section-heading>p{font-size:13px;line-height:1.6;max-width:390px}.lesson-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.lesson-card{min-height:270px;padding:24px;border-radius:20px;background:#fff;box-shadow:0 5px 15px #30264f04;border:1px solid #e6e0ef}.lesson-card.current{outline:0;border:2px solid #a98bcc;padding:23px;background:#fdfaff}.lesson-card.done{background:#f1faf5;border-color:#bddcca}.lesson-card:after{font-size:96px;right:12px;bottom:30px;color:#75628c08}.lesson-card:hover{transform:translateY(-3px);border-color:#b09cc9;box-shadow:0 10px 26px #30264f0e}.lesson-number{margin-bottom:20px;color:#867990;letter-spacing:.08em;font-size:11px}.lesson-number i{clip-path:none;border-radius:14px;width:45px;height:45px;background:#eee6f8;color:#7c599f;font-size:20px}.lesson-card:nth-child(2) .lesson-number i{background:#fbead5;color:#a66d39}.lesson-card:nth-child(3) .lesson-number i{background:#e0f0ef;color:#498983}.lesson-card:nth-child(4) .lesson-number i{background:#e5ebfc;color:#5976b1}.lesson-card:nth-child(5) .lesson-number i{background:#fae5eb;color:#b66d85}.lesson-card.done .lesson-number i{background:#cee9d9;color:#247758}.lesson-card h3{font:800 22px/1.2 "Trebuchet MS",sans-serif;letter-spacing:-.5px;max-width:260px}.lesson-card p{font-size:13px;margin-top:10px;max-width:240px}.lesson-card-progress{height:5px;background:#efebf5;border-radius:8px;overflow:hidden;margin:21px 0 12px}.lesson-card-progress i{display:block;height:100%;background:#a084c7;border-radius:8px}.lesson-card.done .lesson-card-progress i{background:#5fa285}.lesson-card-foot{display:flex;justify-content:space-between;align-items:center;gap:6px;color:#71627f;font-size:12px;font-weight:700}.lesson-card-foot b{font-size:20px;font-weight:400}.card-stars{position:static;font-size:14px;color:#b38b39;letter-spacing:1px}
.lesson-shell{max-width:850px;margin:20px auto 0}.back-button{color:#77638f;margin-bottom:18px;min-height:44px}.lesson-head{color:var(--ink);gap:24px}.lesson-head h1{font:800 clamp(28px,4vw,42px)/1.15 "Trebuchet MS",sans-serif;letter-spacing:-1px}.lesson-goal{color:var(--muted);font-size:15px}.book-chip{background:#fff;border-color:var(--line);color:var(--muted);flex-basis:180px;border-radius:14px}.book-chip b{color:#776d86}.task-progress{color:#81748d;gap:14px;margin-top:24px}.task-dots{gap:5px}.task-dots i{height:7px;background:#e6dfed}.task-dots i.done{background:#b39bd1}.task-dots i.current{background:#7552aa}.task-card{border:1px solid var(--line);background:#fff;border-radius:24px;padding:32px;box-shadow:var(--shadow)}.task-badge{background:#eee7f7;color:#77519c;font-size:12px;padding:5px 12px}.task-reward{background:#fff4da;color:#896327;font-size:12px;padding:5px 12px}.task-card h2{font:800 clamp(23px,3.5vw,31px)/1.35 "Trebuchet MS",sans-serif;letter-spacing:-.5px;margin:23px 0}.task-scene{border-color:#ece7f4;background:#f7f5fc;padding:24px}.icon-piece{background:#fff;border:1px solid #eeebf5;padding:13px 12px}.icon-piece small{font-size:12px;color:#696276}.scroll-art{background:#fffaeb;border-color:#ecddb3;box-shadow:none;border-radius:12px;font:700 22px/1.5 "Trebuchet MS",sans-serif;color:#61533b}.task-theory{background:#f5f0fc;color:#5e4a7d;border-color:#b197d4;padding:19px 22px;line-height:1.7;font-size:17px}.task-answer input{border:2px solid #ddd4e9;min-height:66px;border-radius:14px;font-size:24px;background:#fefcff}.task-answer input:focus{border-color:#9975c9;box-shadow:0 0 0 4px #a186c515}.choice-grid{gap:12px}.choice{border:2px solid #e8e2ef;border-radius:14px;min-height:65px;background:#fff;font-size:17px;line-height:1.4}.choice.visual{min-height:78px;font-size:19px}.choice:hover{border-color:#bfa8dc;background:#fcfaff;color:var(--ink)}.choice.selected{border-color:#9267bf;background:#f1e9fb;color:#67408b;box-shadow:0 0 0 1px #9267bf}.feedback{font-size:15px;min-height:44px}.feedback.good{background:#eaf7ef;color:#267354}.feedback.bad{background:#fff0eb;color:#954937}.feedback.hint{background:#fff6df;color:#7d6229}.task-actions{border-top:1px solid #f0ecf5;padding-top:20px;margin-top:12px}.task-actions .gold{min-width:180px}
.venn{height:225px;transform:none;margin:auto}.venn-circle{top:12.44%;width:60%;height:75.56%;border-width:3px}.venn-circle.left{left:4%}.venn-circle.right{right:4%}.venn-label.a{left:14.5%}.venn-label.b{right:14.5%}.venn-item{font-size:clamp(21px,4.5vw,27px)}
.finish-card{border-color:var(--line);background:#fff;border-radius:26px}.finish-card h1{font:800 clamp(28px,4vw,40px)/1.2 "Trebuchet MS",sans-serif}.finish-stars{color:#c99b38}.parent-dialog{background:#fff;border-radius:24px}.parent-dialog::backdrop{background:#28213870}.dialog-head h2{font:800 26px/1.2 "Trebuchet MS",sans-serif}.close-button{background:#f2edf8}.parent-stats div{background:#f5f1fa}.parent-note{background:#fff6df}.parent-controls button{min-height:44px;color:#775295}.parent-controls .danger{color:#a64654}.parent-row .status{clip-path:none;border-radius:10px;background:#eee7f7}.page-footer{text-align:center;padding:6px 20px 30px;color:#8c809a;font-size:12px}.page-footer span{color:#ac90c7;margin-right:7px}
@media(min-width:1000px){.lesson-card:nth-child(4),.lesson-card:nth-child(5){min-height:250px}}
@media(max-width:980px){.topbar,main{width:calc(100% - 40px)}.hero{padding:38px;min-height:400px}.hero-copy{max-width:58%}.hero h1{font-size:46px}.lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.welcome-copy{left:25px;bottom:28px}.welcome-copy h2{font-size:32px}.auth-card{padding:32px 28px}.welcome-aside{min-height:640px}.top-actions{gap:12px}}
@media(max-width:690px){body{background:radial-gradient(ellipse at 100% 0,#eae3fa,transparent 40%),#f6f4fb}.topbar,main{width:calc(100% - 28px)}.topbar{min-height:84px;gap:10px}.brand{gap:10px}.brand b{font-size:15px;letter-spacing:-.4px}.brand small{display:block;font-size:11px}.crest{width:38px;height:42px;border-radius:12px;font-size:24px;flex:none}.parent-link{font-size:11px;padding:7px 10px;max-width:100px;line-height:1.2}.sync{display:none}.auth-screen{grid-template-columns:1fr;margin-top:0;border-radius:22px}.welcome-aside{min-height:228px;height:228px}.welcome-aside>img{object-position:50% 37%;opacity:.82}.welcome-aside:after{background:linear-gradient(90deg,#25213be6,transparent 90%)}.welcome-copy{left:24px;bottom:23px;right:15px;max-width:250px}.welcome-copy .kicker{font-size:9px;max-width:170px}.welcome-copy h2{font-size:29px}.welcome-copy>p:not(.kicker){display:none}.welcome-tags{gap:5px;margin-top:16px}.welcome-tags span{font-size:9px;padding:4px 8px}.welcome-tags span:last-child{display:none}.auth-card{padding:26px 24px 28px}.mini-spark{display:none}.auth-card h1{font-size:28px}.auth-card>p:not(.kicker){font-size:13px}.auth-tabs{margin-top:22px}.auth-card .auth-footnote{margin-top:22px}.hero{min-height:360px;padding:28px 25px 37px;border-radius:22px}.hero-copy{max-width:100%}.hero h1{max-width:350px;font-size:39px;line-height:1.1;letter-spacing:-1px}.hero-art{width:100%;opacity:.25}.hero-art:after{background:linear-gradient(90deg,#292440 5%,#29244000),linear-gradient(0deg,#292440,transparent)}.hero-copy>p:not(.kicker){max-width:300px;font-size:15px;margin:20px 0 25px}.hero .gold{font-size:15px;padding:13px 19px}.hero-copy .hero-note{font-size:11px!important}.progress-card{margin:-15px 10px 0;padding:20px 17px;gap:15px 10px;border-radius:17px}.progress-card h2{font-size:18px}.progress-card .kicker{font-size:9px}.progress-meta span{font-size:10px}.progress-meta b{font-size:22px}.route{padding-top:35px}.section-heading h2{font-size:26px}.section-heading>p{margin-top:10px;font-size:12px}.lesson-grid{grid-template-columns:1fr;gap:13px}.lesson-card{min-height:0;padding:20px}.lesson-card.current{padding:19px}.lesson-number{margin-bottom:12px}.lesson-card h3{max-width:100%;font-size:22px}.lesson-card p{max-width:100%;font-size:13px}.lesson-card-progress{margin-top:18px}.lesson-card:after{bottom:20px}.lesson-head{display:block;margin-bottom:18px}.lesson-head h1{font-size:30px}.lesson-goal{font-size:14px;margin-top:12px}.book-chip{margin-top:16px;padding:10px 13px;width:100%}.book-chip span{font-size:22px}.lesson-shell{margin-top:6px}.back-button{margin-bottom:10px}.task-progress{margin:19px 0 12px}.task-card{padding:20px 17px;border-radius:19px;min-height:0}.task-scene{padding:17px 10px}.task-card h2{font-size:24px}.choice-grid{grid-template-columns:1fr}.choice.visual{min-height:62px}.task-theory{padding:15px;font-size:16px}.task-actions{gap:12px;flex-wrap:wrap}.task-actions .button{flex:1;min-width:0;font-size:15px;padding:12px 14px}.task-actions .gold{margin-left:0;min-width:0;flex:1.3}.venn{height:205px;margin:0;transform:none}.venn-label{font-size:12px}.icon-scene{gap:8px}.icon-piece{min-width:60px;padding:9px 7px}.icon-piece b{font-size:31px}.icon-piece small{font-size:11px}.scroll-art{padding:16px;font-size:19px}.parent-stats{padding:18px}.parent-stats div{padding:11px}.dialog-head{padding:21px 18px}.parent-note{margin:16px 18px}.parent-list{margin:0 18px}.page-footer{font-size:11px;max-width:300px;margin:auto}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

.course-picker{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:0 0 18px;padding:20px 24px;border:1px solid #e1d9eb;border-radius:20px;background:#fff;box-shadow:0 8px 24px #30264f09}.course-picker h2{margin:0;font:800 24px/1.2 "Trebuchet MS",sans-serif;color:#302642}.course-picker .kicker{margin-bottom:5px}.grade-buttons{display:grid;grid-template-columns:repeat(5,minmax(70px,1fr));gap:9px}.grade-buttons button{min-width:72px;min-height:62px;padding:8px 12px;border:1px solid #ded4e9;border-radius:14px;background:#f7f3fb;color:#685679;cursor:pointer;transition:.18s transform,.18s border-color,.18s background}.grade-buttons button:hover{transform:translateY(-2px);border-color:#a98bcc}.grade-buttons button.active{border-color:#7452a0;background:#7452a0;color:#fff;box-shadow:0 5px 14px #7452a033}.grade-buttons b,.grade-buttons span{display:block}.grade-buttons b{font-size:22px;line-height:1}.grade-buttons span{margin-top:4px;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.hero-art{width:58%}.hero-art img{object-position:center center}.welcome-aside>img{object-fit:cover;object-position:58% center}

@media(max-width:800px){.course-picker{align-items:flex-start;flex-direction:column}.grade-buttons{width:100%;grid-template-columns:repeat(5,1fr)}}
@media(max-width:690px){.course-picker{padding:17px 16px;border-radius:17px;gap:14px}.course-picker h2{font-size:20px}.grade-buttons{gap:6px}.grade-buttons button{min-width:0;min-height:54px;padding:7px 4px}.grade-buttons b{font-size:19px}.grade-buttons span{font-size:8px}.hero-art img{object-position:64% center}.welcome-aside>img{object-position:62% center}}

/* Papa stays recognizable on every screen, including narrow phones. */
.papa-avatar{display:inline-block;flex:none;width:72px;height:72px;overflow:hidden;border-radius:50%;background:#39304b;border:3px solid #fff;box-shadow:0 3px 12px #30264f16}
.papa-avatar img{display:block;width:100%;height:100%;object-fit:cover;transform:scale(1.8);transform-origin:50% 27%}
.brand-avatar{width:48px;height:48px;border-width:2px}.brand small{color:#706c82}
.papa-guide{display:flex;align-items:center;gap:17px;padding:0 0 23px;margin-bottom:23px;border-bottom:1px solid #eee7f4}
.papa-guide b{display:block;font-size:15px;color:#655083}.papa-guide p{margin:3px 0 0;font-size:15px;line-height:1.55;color:#655c74}
.hero-art img{object-position:50% 29%}.hero-art:after{background:linear-gradient(90deg,#292440 0,transparent 25%),linear-gradient(0deg,#29244066,transparent 30%)}
.papa-art-label{position:absolute;bottom:40px;right:30px;z-index:1;color:#fff2d5;font-size:12px;background:#292440b8;border:1px solid #ffffff30;border-radius:30px;padding:7px 15px}
.welcome-aside>img{height:76%;object-position:50% 18%}.welcome-aside:after{background:linear-gradient(180deg,transparent 28%,#25233e30 43%,#25233e 72%)}
.welcome-copy h2{font-size:clamp(28px,3vw,38px)}.welcome-copy .kicker{color:#e2cef9}
.finish-avatar{width:130px;height:130px}.papa-finish-label{font-weight:800;color:#775295!important;margin:12px auto!important}.finish-card .cup{font-size:38px;line-height:1.3}.finish-card{padding-top:32px}
.papa-guide .papa-avatar{border-color:#f0e9f8}
@media(max-width:690px){
 .brand-avatar{width:40px;height:40px}.brand b{font-size:14px}
 .welcome-aside{height:240px;min-height:240px}.welcome-aside>img{width:65%;height:100%;left:auto;right:0;object-position:50% 20%;opacity:1}
 .welcome-aside:after{background:linear-gradient(90deg,#25233e 15%,#25233eee 30%,#25233e00 70%)}
 .welcome-copy{left:20px;bottom:25px;max-width:180px}.welcome-copy h2{font-size:27px}.welcome-copy .kicker{max-width:150px;font-size:9px}.welcome-tags{max-width:150px}
 .hero{padding:26px 23px 220px;min-height:0}.hero h1{font-size:35px}.hero-copy>p:not(.kicker){max-width:100%}.hero-art{inset:auto 0 0 auto;width:100%;height:210px;opacity:1}
 .hero-art img{width:100%;object-fit:cover;object-position:50% 25%}.hero-art:after{background:linear-gradient(180deg,#292440 0,transparent 26%),linear-gradient(0deg,#29244099,transparent 35%)}
 .papa-art-label{bottom:27px;right:18px;font-size:11px}.papa-guide{gap:12px;padding-bottom:18px;margin-bottom:18px;align-items:flex-start}
 .papa-guide .papa-avatar{width:58px;height:58px}.papa-guide p{font-size:14px}.papa-guide b{font-size:14px}
 .task-actions #hintButton{flex-basis:100%}.finish-card{padding:28px 20px}.page-footer{max-width:340px}
}

/* Landscape homepage art generated for the multi-course version. */
.hero-art img{object-position:58% center}.welcome-aside>img{width:100%;height:100%;object-fit:cover;object-position:58% center}
@media(max-width:690px){.hero-art img{object-position:64% center}.welcome-aside>img{width:100%;height:100%;left:0;right:auto;object-position:62% center}}