:root{--navy:#16175d;--purple:#5c43d8;--blue:#2f73ea;--teal:#19aaa4;--coral:#fb665c;--gold:#edb52c;--ink:#172039;--muted:#65708b;--line:#e6e8f2;--bg:#f5f7ff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}button,input,select{font:inherit}button{cursor:pointer}.cadence-app-body{overflow-x:hidden}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,#1b1b6d 0%,#28268f 55%,#181960 100%);color:#fff;padding:24px 18px;position:fixed;left:0;top:0;bottom:0;width:240px;display:flex;flex-direction:column;z-index:20}.sidebar-logo{text-align:center;margin-bottom:12px}.sidebar-logo img{width:170px;height:170px;object-fit:contain}.side-nav{display:grid;gap:4px}.side-link{border:0;background:transparent;color:#fff;text-align:left;padding:13px 14px;border-radius:14px;font-weight:800;display:flex;align-items:center;gap:12px}.side-link:hover,.side-link.active{background:linear-gradient(90deg,rgba(132,91,255,.75),rgba(123,78,226,.35));box-shadow:0 10px 25px rgba(0,0,0,.12)}.side-link span{width:22px;text-align:center}.encourage-card{margin-top:auto;background:linear-gradient(180deg,rgba(89,79,189,.7),rgba(67,58,158,.7));border-radius:24px;padding:15px;text-align:center}.encourage-card img{width:110px;height:110px;object-fit:contain}.encourage-card strong{display:block;font-size:18px}.encourage-card p{font-size:13px;line-height:1.45;color:#e9e9ff}.help-link{color:#fff;text-decoration:none;margin:16px 10px 0;font-weight:800}.app-main{margin-left:240px;padding:18px 24px 40px;min-width:0}.topbar{height:68px;display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:0 18px;margin-bottom:18px}.searchbox{flex:1;display:flex;align-items:center;gap:10px;background:#f7f8fc;border:1px solid #e1e4ef;border-radius:14px;padding:0 14px;height:48px}.searchbox input{flex:1;border:0;outline:0;background:transparent}.searchbox kbd{border:0;background:#eef0f7;border-radius:8px;padding:4px 8px;color:#7a829a}.icon-button{position:relative;border:0;background:transparent;font-size:24px}.icon-button b{position:absolute;top:-8px;right:-6px;background:#ff4d4d;color:#fff;border-radius:999px;font-size:10px;padding:3px 5px}.profile-chip{display:flex;align-items:center;gap:10px;min-width:175px}.profile-chip .avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#6d51e6,#23b8b1);color:#fff;font-weight:900}.profile-chip small{display:block;color:var(--muted)}.start-button,.fullscreen-button{border:0;background:linear-gradient(135deg,#327bea,#1e63d9);color:#fff;border-radius:13px;padding:14px 20px;font-weight:900;box-shadow:0 12px 24px rgba(44,107,223,.22)}.app-view{display:none}.app-view.active{display:block}.hero-card{display:grid;grid-template-columns:1.2fr .8fr;min-height:265px;border-radius:28px;padding:40px 52px;background:radial-gradient(circle at 80% 10%,rgba(79,211,205,.25),transparent 38%),linear-gradient(135deg,#f0ecff,#edf9ff);overflow:hidden;position:relative}.hero-card h1{font-size:46px;line-height:1.03;letter-spacing:-.045em;margin:5px 0 18px}.hero-card h1 span{color:var(--gold)}.hero-card p{font-size:17px;line-height:1.6;color:#58627d;max-width:650px}.hero-card img{width:340px;height:250px;object-fit:contain;justify-self:end;align-self:end}.dashboard-grid{display:grid;grid-template-columns:1.48fr .82fr;gap:18px;margin-top:18px}.left-column,.right-column{min-width:0}.card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:0 12px 28px rgba(39,43,88,.05)}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.section-heading h2{margin:0;font-size:20px}.text-button{border:0;background:transparent;color:#2467db;font-weight:800}.class-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.class-card{border:0;color:#fff;text-align:left;border-radius:18px;padding:17px;min-height:126px;position:relative;overflow:hidden;box-shadow:0 12px 24px rgba(55,63,137,.15)}.class-card h3{margin:0 0 6px;font-size:17px}.class-card p{margin:4px 0;font-size:13px}.class-card .attendance{position:absolute;left:17px;right:17px;bottom:14px;border-top:3px solid rgba(255,255,255,.45);padding-top:7px}.class-card:nth-child(4n+1){background:linear-gradient(135deg,#8052e9,#5c38cf)}.class-card:nth-child(4n+2){background:linear-gradient(135deg,#3a7bea,#2565d6)}.class-card:nth-child(4n+3){background:linear-gradient(135deg,#22b9af,#0f9991)}.class-card:nth-child(4n){background:linear-gradient(135deg,#ff7a6e,#ef5a50)}.feature-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.feature-tile{border:0;border-radius:18px;min-height:142px;padding:22px 14px;text-align:center;color:#242b5b}.feature-tile span{display:block;font-size:34px;margin-bottom:8px}.feature-tile strong{display:block;font-size:17px}.feature-tile small{display:block;color:#65708b;margin-top:5px;line-height:1.35}.tile-purple{background:#eee9ff}.tile-blue{background:#e9f2ff}.tile-teal{background:#e6faf7}.tile-coral{background:#ffeae7}.tile-gold{background:#fff4d7}.tile-lavender{background:#f1edff}.lesson-preview{margin-top:14px;display:grid;grid-template-columns:300px 1fr;gap:18px}.lesson-art{height:150px;border-radius:18px;background:linear-gradient(180deg,#39a8e7,#56c9bd);display:flex;align-items:center;justify-content:space-around;color:#fff;font-size:25px;font-weight:900;padding:18px}.lesson-art button{width:54px;height:54px;border-radius:50%;border:0;background:rgba(0,0,0,.42);color:#fff;font-size:20px}.lesson-copy p{color:var(--muted);line-height:1.5}.pill{background:#eee9ff;color:#6149d9;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:900}.lesson-tags{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.lesson-tags span{background:#f3f4f9;border-radius:999px;padding:7px 10px;font-size:12px}.progress-bands{display:grid;gap:10px}.progress-band{display:flex;justify-content:space-between;align-items:center;border-radius:15px;padding:15px}.progress-band span{display:grid;grid-template-columns:auto 1fr;column-gap:9px}.progress-band small{display:block;font-size:11px;font-weight:500;grid-column:2}.progress-band strong{text-align:right;font-size:20px}.progress-band strong small{font-size:11px;font-weight:500}.secure{background:#e0f7ea;color:#147744}.developing{background:#fff3c7;color:#956d00}.support{background:#ffe5cb;color:#aa5612}.intensive{background:#ffe0e6;color:#b52c4d}.activity-card{margin-top:14px}.student-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid #edf0f6}.student-row:last-child{border-bottom:0}.student-avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:900;background:linear-gradient(135deg,#7253df,#20b8b0)}.student-row .student-copy{flex:1}.student-row small{display:block;color:var(--muted)}.student-row .student-score{font-weight:900}.page-title{display:flex;align-items:center;justify-content:space-between;margin:10px 0 20px}.page-title h1{font-size:42px;margin:4px 0}.eyebrow{font-size:12px;letter-spacing:.12em;color:#6a55d8;font-weight:900}.management-grid,.curriculum-grid,.report-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.management-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px}.management-card h2{margin:0 0 8px}.management-card p{color:var(--muted)}.management-card button{border:0;background:#eef1fb;color:#3e4c7b;padding:9px 12px;border-radius:10px;font-weight:800}.empty-state{text-align:center;padding:70px 30px}.empty-state>span{font-size:80px}.data-table table{width:100%;border-collapse:collapse}.data-table th,.data-table td{text-align:left;padding:13px;border-bottom:1px solid #edf0f6}.data-table th{color:#59637e;font-size:12px;text-transform:uppercase;letter-spacing:.06em}.assessment-form{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.assessment-form label,.modal-card label{display:grid;gap:7px;font-weight:800}.assessment-form select,.modal-card input,.modal-card select{height:48px;border:1px solid #dfe3ed;border-radius:12px;padding:0 12px;background:#fff}.report-grid{grid-template-columns:repeat(4,1fr)}.metric{text-align:center;padding:40px}.metric strong{font-size:46px;display:block}.metric span{color:var(--muted)}.grade-card{text-align:left;border:1px solid var(--line);background:#fff}.grade-card>span{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#7453df,#22b7b0);font-size:22px;font-weight:900}.grade-card p{color:var(--muted);line-height:1.5}.resource-tiles{max-width:900px}.modal{position:fixed;inset:0;background:rgba(17,20,49,.55);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}.modal.open{display:flex}.modal-card{width:min(100%,480px);background:#fff;border-radius:24px;padding:28px;display:grid;gap:16px;position:relative}.modal-close{position:absolute;right:15px;top:12px;border:0;background:transparent;font-size:30px}.lesson-overlay{position:fixed;inset:0;background:#f7f8ff;z-index:200;display:none;grid-template-rows:68px 1fr 70px}.lesson-overlay.open{display:grid}.lesson-toolbar,.lesson-controls{display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:#fff;border-bottom:1px solid var(--line)}.lesson-toolbar button,.lesson-controls button{border:0;background:#edf0f8;padding:10px 14px;border-radius:10px;font-weight:800}.lesson-stage{display:grid;place-items:center;padding:30px}.lesson-slide{display:none;text-align:center}.lesson-slide.active{display:block}.lesson-slide h1{font-size:70px;margin:10px}.lesson-slide p{font-size:26px;color:var(--muted)}.slide-kicker{letter-spacing:.15em;color:#6850d7;font-weight:900}.giant-note{font-size:140px;margin-top:30px}.toast{position:fixed;right:24px;bottom:24px;background:#172039;color:#fff;padding:14px 20px;border-radius:12px;opacity:0;transform:translateY(20px);transition:.2s;z-index:300}.toast.show{opacity:1;transform:none}
.public-nav{height:86px;padding:0 clamp(20px,5vw,75px);display:flex;justify-content:space-between;align-items:center;background:#fff}.public-brand img{width:170px;height:75px;object-fit:contain}.public-nav nav{display:flex;align-items:center;gap:25px}.public-nav a{text-decoration:none;color:#3c4463;font-weight:800}.button{display:inline-flex;padding:14px 21px;border-radius:13px;font-weight:900}.button.primary{background:linear-gradient(135deg,#6447d7,#2b73e8);color:#fff}.button.secondary{background:#fff;color:#6248d8;border:2px solid #ddd7ff}.public-hero{min-height:620px;padding:70px clamp(24px,7vw,110px);display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:40px;background:radial-gradient(circle at 80% 20%,rgba(25,170,164,.2),transparent 35%),linear-gradient(135deg,#f8f5ff,#edfaff)}.public-copy h1{font-size:clamp(50px,6vw,82px);line-height:.98;letter-spacing:-.055em;margin:12px 0 24px}.public-copy p{font-size:21px;color:var(--muted);line-height:1.65}.public-actions{display:flex;gap:14px;margin-top:30px}.public-visual{text-align:center}.public-visual img{width:min(100%,550px)}.public-section{padding:85px clamp(24px,7vw,110px)}.public-section h2{font-size:50px}.public-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.public-grid article{background:#fff;border:1px solid var(--line);border-radius:26px;padding:30px}.public-grid article>span{font-size:34px}
@media(max-width:1150px){.dashboard-grid{grid-template-columns:1fr}.class-cards{grid-template-columns:repeat(2,1fr)}.management-grid,.curriculum-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:900px){.app-shell{display:block}.sidebar{position:relative;width:100%;height:auto}.sidebar-logo img{height:100px}.side-nav{grid-template-columns:repeat(3,1fr)}.encourage-card{display:none}.app-main{margin-left:0}.hero-card{grid-template-columns:1fr}.hero-card img{display:none}.topbar{flex-wrap:wrap;height:auto;padding:12px}.profile-chip{display:none}.feature-tiles{grid-template-columns:repeat(2,1fr)}.lesson-preview{grid-template-columns:1fr}.public-hero{grid-template-columns:1fr}.public-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.class-cards,.feature-tiles,.management-grid,.curriculum-grid,.report-grid,.assessment-form,.public-grid{grid-template-columns:1fr}.side-nav{grid-template-columns:repeat(2,1fr)}.app-main{padding:10px}.hero-card{padding:28px}.hero-card h1{font-size:38px}.lesson-slide h1{font-size:45px}.public-nav nav a:not(.primary){display:none}}