:root{--navy:#14304f;--teal:#007d7c;--gold:#e7b95f;--ink:#203850;--muted:#697b8a;--bg:#f5f7f9;--line:#dce4e9;--white:#fff;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:16px;line-height:1.5}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer;transition:background .15s,transform .15s}button:disabled{cursor:not-allowed;opacity:.5}button:hover:not(:disabled){transform:translateY(-1px)}a{color:var(--teal)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(30px,3.8vw,46px);line-height:1.15;letter-spacing:-1.3px}h2{font-size:25px;letter-spacing:-.5px}h3{font-size:18px}p{color:var(--muted)}small{color:var(--muted)}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--navy);padding:32px 22px;color:white;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{font-size:30px;font-weight:900;letter-spacing:-1.5px;color:var(--gold)}.brand span{color:white}.brand-sub{font-size:11px;letter-spacing:2px;color:#a9c4d6;margin-bottom:44px}.nav{display:grid;gap:9px}.nav button{border:0;background:transparent;text-align:left;color:#bad0dd;padding:13px 15px;border-radius:10px;font-size:15px}.nav button.active{background:#ffffff15;color:#fff}.nav-icon{display:inline-block;width:28px;color:var(--gold)}.side-foot{margin-top:auto;padding-top:30px;font-size:12px;color:#adbfce}.side-foot b{display:block;color:#e7bd72;margin-bottom:8px}.main{padding:30px 44px;max-width:1460px;width:100%;margin:auto}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:35px;gap:15px}.crumb{font-size:13px;color:var(--muted)}.user{display:flex;gap:12px;align-items:center}.avatar{background:#deeceb;color:var(--teal);width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:700}.user-name{font-size:13px}.user-name small{display:block}.badge{display:inline-flex;align-items:center;gap:6px;border-radius:30px;font-size:11px;font-weight:700;letter-spacing:.5px;padding:6px 11px;background:#e6f1ed;color:var(--teal)}.badge.gold{color:#86611f;background:#fcf0d9}.badge.demo{background:#fff0d6;color:#815b1f}.greeting{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:24px;gap:20px}.greeting p{margin:12px 0 0}.eyebrow{color:var(--teal);font-size:11px;font-weight:800;letter-spacing:2px;margin-bottom:12px}.btn{border:0;background:var(--teal);color:white;font-weight:650;padding:12px 20px;border-radius:9px;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:10px;text-decoration:none}.btn.gold{background:var(--gold);color:var(--navy)}.btn.secondary{background:#edf2f5;color:var(--navy)}.btn.outline{background:white;color:var(--teal);border:1px solid #b7cecd}.btn.danger{background:#b13c49}.btn.text{padding:6px;color:var(--muted);background:transparent;font-size:12px}.grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(270px,1fr);gap:24px}.card{background:white;border:1px solid var(--line);border-radius:17px;padding:26px;box-shadow:0 4px 18px #14304f03}.hero{background:var(--navy);color:white;border:0;position:relative;overflow:hidden;padding:30px}.hero p{color:#bbcfde}.hero h2{font-size:32px;line-height:1.2;margin:13px 0}.hero-top{display:flex;justify-content:space-between;align-items:center}.hero .badge{background:#ffffff13;color:#dce9ed}.hero-art{position:absolute;right:-34px;bottom:-69px;width:240px;height:240px;border:32px solid #ffffff05;border-radius:50%;pointer-events:none}.hero .btn{position:relative}.hero small{color:#bdcedb}.hero-footer{display:flex;align-items:center;gap:18px;margin-top:24px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0 24px}.stat{padding:18px 20px;background:white;border:1px solid var(--line);border-radius:12px}.stat strong{display:block;font-size:25px;color:var(--navy)}.stat span{font-size:12px;color:var(--muted)}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.section-head h3{margin:0}.flow{display:grid;gap:0}.flow-item{display:flex;gap:16px;padding:14px 0;border-bottom:1px solid #eef2f5}.flow-item:last-child{border-bottom:0}.flow-number{width:38px;height:38px;flex-shrink:0;background:#e8f2f1;border-radius:10px;display:grid;place-items:center;color:var(--teal);font-size:13px;font-weight:700}.flow-item b{font-size:14px}.flow-item p{font-size:12px;margin:3px 0}.flow-min{margin-left:auto;font-size:12px;white-space:nowrap;color:var(--muted)}.stack{display:grid;gap:20px;align-content:start}.goal{font-size:15px;line-height:1.7;color:var(--ink);margin-bottom:15px}.note{padding:12px 14px;background:#f0f5f7;border-radius:9px;font-size:12px;color:var(--muted);line-height:1.7}.note.warning{background:#fff6e5;color:#866333}.row{display:flex;align-items:center;gap:12px}.between{justify-content:space-between}.gap{margin-top:20px}.field{display:grid;gap:7px;margin-bottom:18px}.field label,.label{font-size:13px;font-weight:650}.field input,.field select,.field textarea{width:100%;border:1px solid #cfdae1;border-radius:8px;padding:12px;background:white;color:var(--ink)}.field textarea{resize:vertical;min-height:85px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal)}.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted)}.check input{margin-top:4px;accent-color:var(--teal)}.error{color:#ad3446;font-size:13px;margin-top:15px}.success{color:var(--teal)}.auth{min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr;background:white}.auth-story{background:var(--navy);padding:55px 10%;display:flex;flex-direction:column;justify-content:center;position:relative;color:white}.auth-story h1{font-size:55px;max-width:550px;margin-top:65px}.auth-story p{color:#b9cddd;max-width:440px;font-size:17px;line-height:1.8}.auth-circles{display:flex;gap:15px;margin:28px 0}.auth-circles span{height:60px;width:60px;border:1px solid #ffffff25;border-radius:50%;display:grid;place-items:center;font-size:21px;color:var(--gold)}.auth-form{max-width:480px;width:100%;margin:auto;padding:40px}.auth-form h2{font-size:30px}.full{width:100%}.switch{margin-top:23px;font-size:13px;text-align:center}.switch button{background:transparent;border:0;color:var(--teal);text-decoration:underline}.quiz{border-top:1px solid var(--line);padding-top:24px;margin-top:24px}.question{padding:18px;background:#f7fafb;border-radius:10px;margin-bottom:14px}.question legend{font-weight:600;font-size:14px;padding:0 3px}.question fieldset{border:0;padding:0;margin:0}.options{display:grid;gap:10px;margin-top:13px}.options label{font-size:14px;display:flex;align-items:center;gap:10px}.options input{accent-color:var(--teal)}.page-width{max-width:900px}.onboard-hero{margin-bottom:25px}.onboard-hero h1{font-size:37px}.days{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.day{border:1px solid var(--line);border-radius:10px;padding:12px;min-height:110px;background:white}.day.done{background:#ecf6f1;border-color:#bad9cd}.day.current{border:2px solid var(--teal)}.day small{font-size:10px}.day b{display:block;font-size:12px;margin:6px 0}.day-num{font-size:11px;color:var(--muted)}.lesson-header{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:24px}.lesson-header h1{font-size:33px;margin:8px 0}.steps{display:flex;gap:7px;margin:24px 0}.steps button{flex:1;border:0;background:#e8edf1;color:var(--muted);border-radius:9px;padding:13px 8px;font-size:12px}.steps button.active{background:var(--navy);color:white}.steps button.done{box-shadow:inset 0 -3px #67ad94}.word-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.word{border:1px solid var(--line);border-radius:12px;padding:22px;background:#fbfdfd}.word h3{font-size:22px;margin-bottom:7px}.word p{font-size:14px;margin-bottom:0}.pattern{background:#eaf4f2;border-radius:12px;padding:24px;margin:22px 0}.pattern b{font-size:24px;display:block;margin:10px 0}.dialogue{display:grid;gap:13px;margin:22px 0}.line{display:flex;align-items:center;gap:12px;background:#f2f6f8;padding:17px;border-radius:12px}.line:nth-child(even){background:#edf5f0}.speaker{width:30px;height:30px;border-radius:50%;background:white;display:grid;place-items:center;font-size:12px;flex-shrink:0}.line .btn{margin-left:auto;flex-shrink:0}.line p{margin:0;color:var(--ink);font-size:16px}.controls{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.controls select{padding:9px;border:1px solid var(--line);border-radius:8px}.recorder{padding:20px;background:#f5f7f9;border:1px dashed #bbced4;border-radius:12px;margin-bottom:20px}.recorder audio{max-width:100%;height:38px;margin-top:15px}.timer{display:flex;align-items:center;gap:12px;padding:14px 20px;border-radius:12px;background:#fff3dc;color:#815b20}.timer strong{font-variant-numeric:tabular-nums;font-size:29px;line-height:1}.timer small{display:block;font-size:10px;color:#815b20}.chat{display:flex;flex-direction:column;gap:15px;max-height:390px;overflow:auto;padding:15px 0;margin:15px 0}.bubble{align-self:flex-start;background:#f0f4f7;padding:15px 18px;border-radius:14px 14px 14px 3px;max-width:88%;font-size:16px}.bubble.user{align-self:flex-end;display:block;background:#dff1eb;border-radius:14px 14px 3px 14px}.bubble small{display:block;font-size:10px;margin-bottom:5px}.chat-input{display:flex;gap:10px}.chat-input input{flex:1;min-width:0;border:1px solid var(--line);padding:13px;border-radius:9px}.rubric{display:grid;grid-template-columns:1fr 1fr;gap:18px}.rubric ul{padding-left:20px;color:var(--muted);font-size:14px}.evidence{padding:10px 15px;border-left:3px solid var(--teal);color:var(--muted);font-style:italic}.history-item{padding:20px 0;border-bottom:1px solid var(--line)}.history-item h3{margin:5px 0}.history-item p{font-size:14px;margin-bottom:5px}progress{accent-color:var(--teal);height:7px;width:100%;border:0;border-radius:10px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--navy);color:white;padding:13px 23px;border-radius:9px;z-index:10;font-size:14px;box-shadow:0 8px 30px #0002;display:none}#toast.show{display:block}.loading{padding:70px;text-align:center;color:var(--muted)}.empty{text-align:center;padding:45px;color:var(--muted)}.mic-dot{color:#b13c49;font-weight:bold}.legal{font-size:11px;color:var(--muted);line-height:1.8}.mobile-brand{display:none}.inline-error{font-size:13px;color:#ad3446}.plan-goal{max-width:800px;margin-bottom:25px}button svg{width:18px;height:18px}audio{display:block}.finish{margin-top:25px;padding-top:20px;border-top:1px solid var(--line)}
@media(min-width:1600px){.main{padding:40px 65px}}@media(max-width:1100px){.shell{grid-template-columns:200px 1fr}.sidebar{padding:25px 15px}.main{padding:25px}.grid{grid-template-columns:1fr}.days{grid-template-columns:repeat(5,1fr)}.auth-story{padding:35px}.auth-story h1{font-size:45px}}@media(max-width:720px){.shell{display:block}.sidebar{position:static;height:auto;padding:15px 20px}.brand{font-size:25px}.brand-sub,.side-foot{display:none}.nav{display:flex;overflow:auto;margin-top:12px;gap:4px}.nav button{white-space:nowrap;padding:9px;font-size:12px}.nav-icon{width:20px}.main{padding:22px 16px}.topbar{margin-bottom:22px}.crumb{font-size:11px}.user-name{display:none}.greeting{display:block}.greeting .badge{margin-top:15px}.hero{padding:24px}.hero h2{font-size:28px}.card{padding:20px}.stats{gap:8px}.stat{padding:15px 10px}.stat strong{font-size:22px}.stat span{font-size:10px}.two,.rubric{grid-template-columns:1fr;gap:0}.days{grid-template-columns:repeat(3,1fr)}.word-grid{grid-template-columns:1fr}.auth{display:block}.auth-story{padding:25px}.auth-story h1{font-size:32px;margin-top:25px;max-width:400px}.auth-story p{font-size:14px;margin-bottom:0}.auth-circles{display:none}.auth-form{padding:28px 24px}.steps button{font-size:10px}.line{padding:12px;gap:8px}.line p{font-size:14px}.line .btn{padding:8px}.lesson-header{align-items:flex-start}.lesson-header h1{font-size:26px}.timer{padding:12px}.timer strong{font-size:24px}.chat-input{flex-wrap:wrap}.chat-input input{flex-basis:100%}.chat-input .btn{flex:1}.hero-footer{gap:12px}.topbar .badge{font-size:9px}}
.hero{background:linear-gradient(135deg,#14304f 0%,#0e4a5a 100%)}.auth-story{background:linear-gradient(160deg,#14304f 0%,#0e4a5a 100%)}.card,.stat{box-shadow:0 1px 2px #14304f0a,0 10px 28px #14304f0f}.card{border-color:#e3eaef}.avatar{background:linear-gradient(135deg,var(--teal),#0b5f73);color:#fff;font-size:13px;letter-spacing:.5px}.nav button:hover{background:#ffffff0d;color:#fff}.streak{white-space:nowrap}.week{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;text-align:center}.week-day .dot{width:34px;height:34px;border-radius:50%;margin:0 auto 7px;display:grid;place-items:center;background:#eef2f5;color:#fff;font-size:13px;font-weight:700}.week-day.done .dot{background:var(--teal)}.week-day.today .dot{box-shadow:0 0 0 2px #fff,0 0 0 4px var(--gold)}.week-day small{font-size:11px;font-weight:600}.history-item:last-child{border-bottom:0}.bubble{line-height:1.55}.btn{box-shadow:0 1px 2px #14304f14}.btn.text,.btn.secondary{box-shadow:none}
progress{-webkit-appearance:none;appearance:none;height:8px;border-radius:10px;overflow:hidden;background:#e8eef2}progress::-webkit-progress-bar{background:#e8eef2;border-radius:10px}progress::-webkit-progress-value{background:linear-gradient(90deg,var(--teal),#2fa89d);border-radius:10px}progress::-moz-progress-bar{background:linear-gradient(90deg,var(--teal),#2fa89d);border-radius:10px}