:root{--primary:#5146e8;--primary2:#7869ff;--dark:#182149;--muted:#6d7798;--subtle:#eef0ff;--border:#e4e8f4;--bg:#f6f8ff;--white:#fff;--mint:#13b8a6;--orange:#f6a23b;--red:#ee6578;--shadow:0 16px 60px rgba(35,48,119,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--dark);font-size:15px;line-height:1.5}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:var(--primary);text-decoration:none}button:disabled{opacity:.56;cursor:not-allowed}*:focus-visible{outline:3px solid #aaa5ff;outline-offset:2px}.hidden{display:none!important}
.loading{min-height:100vh;display:flex;flex-flow:column;justify-content:center;align-items:center;color:var(--muted)}.spinner{width:36px;height:36px;border-radius:50%;border:3px solid #d3d8fb;border-top-color:var(--primary);animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.btn{border:0;display:inline-flex;gap:9px;align-items:center;justify-content:center;padding:12px 19px;border-radius:13px;font-weight:750;background:var(--primary);color:white;transition:transform .15s,background .15s,box-shadow .15s;min-height:44px}.btn:hover:not(:disabled){transform:translateY(-1px);background:#3f35ce;box-shadow:0 10px 25px rgba(81,70,232,.2)}.btn.secondary{background:#eff0ff;color:var(--primary)}.btn.secondary:hover{background:#e2e4ff;box-shadow:none}.btn.ghost{background:transparent;color:var(--muted)}.btn.ghost:hover{background:#f0f2fd;box-shadow:none}.btn.mint{background:var(--mint);color:white}.btn.small{padding:8px 13px;min-height:36px;font-size:13px;border-radius:10px}.btn.full{width:100%}.btn.outline{color:var(--primary);background:white;border:1px solid #cccaff}.btn.danger{background:#fff0f2;color:#bb3a55}.btn i{font-style:normal;font-size:17px}.tag{display:inline-flex;gap:5px;align-items:center;border-radius:100px;padding:5px 10px;font-size:12px;font-weight:750;background:#eff0ff;color:var(--primary)}.tag.green{color:#078d7e;background:#dffaf4}.tag.amber{color:#a4620b;background:#fff4d6}.tag.red{color:#c93d57;background:#ffebf0}.tag.gray{color:#6a7590;background:#eef1f7}
.guest{min-height:100vh;background:radial-gradient(circle at 10% 5%,#e9e5ff 0,transparent 28%),radial-gradient(circle at 86% 15%,#d9fff7 0,transparent 29%),var(--bg)}.guest-header{max-width:1250px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:26px 26px 10px;gap:20px}.brand{display:flex;align-items:center;gap:11px;color:var(--dark);font-size:21px;font-weight:900;letter-spacing:-.7px}.brand-logo{width:43px;height:43px;border-radius:14px;background:var(--primary);display:grid;place-items:center;box-shadow:0 8px 24px #5446ef39}.brand-logo svg{width:25px;height:25px}.brand span span{color:var(--primary)}.guest-main{max-width:1250px;margin:0 auto;display:grid;grid-template-columns:1.12fr .88fr;align-items:center;gap:64px;padding:48px 28px 64px}.hero-kicker{background:#fff;box-shadow:0 3px 20px #5548ed11;display:inline-flex;align-items:center;gap:8px;padding:8px 14px;color:var(--primary);border:1px solid #e1dfff;border-radius:99px;font-weight:780;font-size:13px}.hero h1{font-size:clamp(40px,4.4vw,68px);line-height:1.12;letter-spacing:-2.5px;margin:23px 0 20px;font-weight:920}.gradtext{background:linear-gradient(110deg,var(--primary),#14b7a9);color:transparent;background-clip:text}.hero p{max-width:550px;color:#626e91;font-size:18px;line-height:1.75}.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:32px}.benefit{background:#ffffffc9;padding:18px 13px;border:1px solid #e8eaf9;border-radius:17px;min-height:117px}.benefit-icon{font-size:27px;display:block;margin-bottom:8px}.benefit strong{font-size:13px;display:block}.preview-box{margin-top:33px;background:#fff;border-radius:19px;box-shadow:var(--shadow);border:1px solid var(--border);padding:20px;max-width:550px}.preview-top{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}.preview-top .dot{width:10px;height:10px;border-radius:50%;background:var(--mint)}.preview-ai{background:#f5f6ff;border-radius:12px;padding:17px;margin:14px 0;font-weight:650}.preview-bottom{display:flex;gap:8px;flex-wrap:wrap}.auth-card{background:white;border:1px solid #e8e9f5;border-radius:29px;box-shadow:0 30px 80px #3643981a;padding:32px;max-width:490px;width:100%;justify-self:end}.auth-card h2{font-size:25px;letter-spacing:-.8px;margin:0 0 8px}.auth-card .sub{color:var(--muted);margin:0 0 26px;font-size:14px}.segment{display:grid;grid-template-columns:repeat(2,1fr);background:#f1f3fa;border-radius:13px;padding:5px;margin-bottom:21px}.segment button{border:0;border-radius:10px;background:transparent;font-weight:800;color:var(--muted);padding:11px 8px}.segment button.active{background:white;color:var(--primary);box-shadow:0 3px 13px #232a5610}.field{margin-bottom:16px}.field label{display:block;font-weight:760;font-size:13px;margin-bottom:7px;color:#293456}.field input,.field textarea,.field select,input.input,textarea.input,select.input{display:block;width:100%;background:#fbfcff;border:1.5px solid #dde3f2;border-radius:12px;min-height:46px;padding:11px 13px;color:var(--dark);outline:none;transition:border-color .15s,box-shadow .15s}.field input:focus,.field textarea:focus,.field select:focus,input.input:focus,textarea.input:focus{border-color:#7c76f4;box-shadow:0 0 0 4px #7c76f418}.field textarea{min-height:100px;resize:vertical}.field small{display:block;font-size:12px;color:var(--muted);margin-top:6px}.divider-text{display:flex;align-items:center;gap:12px;color:#9aa3bf;font-size:12px;margin:19px 0}.divider-text:before,.divider-text:after{content:"";height:1px;background:var(--border);flex:1}.demo-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.demo-options button{background:#f9faff;color:var(--dark);border:1px solid #e4e6f4;border-radius:13px;padding:12px 9px;text-align:center;font-weight:760;font-size:13px}.demo-options button:hover{border-color:#9691ff;background:#f2f0ff}.notice{font-size:12px;color:#75809c;line-height:1.65;margin-top:17px}.linkbtn{border:0;background:transparent;color:var(--primary);font-weight:800;padding:3px 0}.footerline{max-width:1250px;margin:auto;padding:0 26px 25px;color:#9aa4c1;font-size:12px;display:flex;justify-content:space-between;gap:15px}
.shell{min-height:100vh;display:flex}.sidebar{width:254px;flex:0 0 254px;background:#fff;border-right:1px solid var(--border);padding:25px 15px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:10}.sidebar .brand{padding:0 9px;margin:0 0 36px;font-size:19px}.sidebar .brand-logo{width:39px;height:39px}.navtitle{color:#a1a9c1;font-size:11px;font-weight:900;letter-spacing:1px;padding:9px 13px;margin:0 0 10px}.nav{display:flex;flex-direction:column;gap:5px}.nav button{display:flex;gap:12px;align-items:center;border:0;background:transparent;color:#66718e;padding:13px 14px;text-align:left;border-radius:13px;font-weight:750;font-size:14px}.nav button:hover,.nav button.active{background:#efefff;color:var(--primary)}.nav .ico{font-size:20px;min-width:23px;text-align:center}.aside-bottom{margin-top:auto;padding:20px 10px 5px}.aside-info{background:linear-gradient(140deg,#f0eeff,#e9f9ff);padding:16px;border-radius:15px;font-size:12px;color:#656f93;line-height:1.6}.aside-info b{display:block;color:var(--dark);font-size:13px;margin-bottom:5px}.main{flex:1;min-width:0}.topbar{height:77px;background:#ffffffd9;backdrop-filter:blur(16px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 34px;gap:18px;position:sticky;top:0;z-index:5}.topbar h2{margin:0;font-size:17px;letter-spacing:-.4px}.topbar .tiny{display:block;color:var(--muted);font-size:11px;font-weight:550}.identity{display:flex;align-items:center;gap:10px}.avatar{background:linear-gradient(135deg,#6657fb,#12c5ab);color:#fff;border-radius:12px;width:39px;height:39px;display:grid;place-items:center;font-weight:900}.identity small{display:block;color:var(--muted);font-size:11px}.identity strong{font-size:13px}.content{padding:30px 34px 70px;max-width:1370px;margin:auto}.pageintro{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:23px;flex-wrap:wrap}.eyebrow{font-size:12px;font-weight:820;letter-spacing:.2px;color:var(--primary)}h1.page-title{font-size:28px;line-height:1.22;letter-spacing:-1px;margin:7px 0 8px}p.lead{color:var(--muted);margin:0;font-size:14px;line-height:1.7}.actions{display:flex;gap:9px;flex-wrap:wrap}.hero-banner{position:relative;overflow:hidden;background:linear-gradient(115deg,#5548ec 0,#7760fb 48%,#24beb2 130%);border-radius:24px;color:white;padding:29px 30px;display:flex;justify-content:space-between;align-items:center;gap:28px;box-shadow:0 15px 34px #5b51e72b;margin-bottom:24px}.hero-banner:before{content:'';position:absolute;border:35px solid #ffffff12;border-radius:50%;width:260px;height:260px;right:-70px;top:-130px}.hero-banner h2{font-size:24px;letter-spacing:-.6px;margin:7px 0}.hero-banner p{opacity:.88;font-size:13px;margin:0;max-width:620px}.hero-banner .bigicon{font-size:65px;opacity:.9;z-index:1}.hero-banner .btn{margin-top:17px;background:white;color:var(--primary)}.hero-banner .btn:hover{background:#f0f0ff}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:29px 0 14px}.section-head h3{font-size:18px;margin:0;letter-spacing:-.3px}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.stat{border:1px solid var(--border);background:#fff;border-radius:19px;padding:21px;box-shadow:0 5px 17px #36439808}.stat .icon-circle{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-size:21px;background:#efedff;margin-bottom:15px}.stat:nth-child(2) .icon-circle{background:#e1faf3}.stat:nth-child(3) .icon-circle{background:#fff3e4}.stat:nth-child(4) .icon-circle{background:#ffeaf0}.stat small{font-weight:670;color:var(--muted);font-size:12px}.stat h2{font-size:29px;line-height:1.2;letter-spacing:-1px;margin:8px 0 4px}.stat p{color:#98a0b8;font-size:11px;margin:0}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.card{background:white;border:1px solid var(--border);border-radius:19px;padding:21px;min-width:0;box-shadow:0 3px 17px #36439807}.mission-card{display:flex;flex-direction:column;min-height:223px;transition:transform .15s,border-color .15s}.mission-card:hover{transform:translateY(-3px);border-color:#beb9ff}.mission-card h3{font-size:17px;letter-spacing:-.3px;margin:15px 0 9px;line-height:1.35}.mission-card p{color:var(--muted);font-size:13px;line-height:1.6;margin:0 0 16px;flex:1}.mission-footer{border-top:1px solid #edf0f7;padding-top:14px;display:flex;justify-content:space-between;align-items:center;gap:8px}.mission-footer small{font-size:12px;color:var(--muted)}.listpanel{background:white;border:1px solid var(--border);border-radius:19px;overflow:hidden}.tablewrap{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:670px}th{background:#f9faff;text-align:left;padding:13px 16px;color:#8190af;font-size:11px;text-transform:uppercase;letter-spacing:.5px}td{padding:15px 16px;border-top:1px solid #edf0f8;font-size:13px;vertical-align:middle}td strong{color:var(--dark)}tr:hover td{background:#fdfdff}.empty{padding:40px 20px;text-align:center;color:var(--muted)}.empty .emptyico{font-size:42px;margin-bottom:8px}.empty h3{margin:5px 0;color:var(--dark)}.empty p{max-width:550px;margin:10px auto 16px;font-size:13px}.class-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 20px;border-top:1px solid var(--border)}.class-row:first-child{border-top:0}.class-icon{background:#f0edff;width:45px;height:45px;border-radius:14px;display:grid;place-items:center;font-size:23px}.class-row h4{margin:0 0 3px}.class-row small{color:var(--muted)}.join-code{font-family:ui-monospace,monospace;color:var(--primary);background:#f3f0ff;border:1px dashed #bdb7ff;border-radius:10px;padding:8px 13px;letter-spacing:2px;font-size:15px;font-weight:900}
.workspace{max-width:980px;margin:auto}.steptrack{display:flex;align-items:center;gap:0;background:white;border:1px solid var(--border);border-radius:17px;padding:16px;margin-bottom:19px}.steptrack .node{display:flex;align-items:center;gap:9px;flex:1;color:#929bb4;font-size:12px;font-weight:780}.steptrack .circle{height:29px;width:29px;border:2px solid #dfe4f4;border-radius:100px;display:grid;place-items:center;flex:none}.steptrack .node.done,.steptrack .node.current{color:var(--primary)}.steptrack .node.done .circle,.steptrack .node.current .circle{background:var(--primary);color:white;border-color:var(--primary)}.steptrack .connector{width:30px;height:2px;background:#e1e5f4;margin:0 12px}.taskbox{background:white;border:1px solid var(--border);border-radius:23px;padding:29px;box-shadow:var(--shadow)}.taskbox h2{font-size:23px;line-height:1.35;letter-spacing:-.6px;margin:10px 0 14px}.taskbox .question{background:#f6f7ff;border-left:4px solid var(--primary);border-radius:12px;padding:18px 20px;white-space:pre-wrap;font-size:15px;font-weight:650;line-height:1.8;margin:20px 0}.taskbox .ai-bubble{background:#ecfbf7;border:1px solid #c7f0e6;border-radius:16px;padding:21px;margin:20px 0;white-space:pre-wrap;line-height:1.8}.taskbox .hint-bubble{background:#fff8ec;border:1px solid #ffdf9b;border-radius:13px;padding:15px;margin:14px 0;font-size:13px;white-space:pre-wrap}.taskbox .hint-bubble strong{display:block;margin-bottom:5px}.tipbox{background:#fff9eb;border:1px solid #ffedc3;color:#805f20;padding:15px 18px;font-size:13px;border-radius:13px;margin:15px 0}.task-actions{border-top:1px solid var(--border);margin-top:24px;padding-top:22px;display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}.radios{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;margin:12px 0 22px}.radiocard{position:relative;border:1.5px solid var(--border);border-radius:13px;padding:15px 10px;cursor:pointer;text-align:center;font-size:13px;font-weight:760}.radiocard:has(input:checked){border-color:var(--primary);background:#f3f1ff;color:var(--primary)}.radiocard input{position:absolute;top:10px;left:10px;accent-color:var(--primary)}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.measure{padding:18px;background:#f8faff;border:1px solid var(--border);border-radius:15px}.measure h4{margin:0 0 6px;font-size:14px}.measure p{font-size:13px;color:var(--muted);margin:0}.measure .big{font-size:27px;letter-spacing:-1px;font-weight:900}.bar{height:9px;border-radius:50px;background:#edf0fb;overflow:hidden;margin:9px 0}.bar span{display:block;height:100%;border-radius:50px;background:linear-gradient(90deg,#635afa,#23c5ae)}
.modal-backdrop{position:fixed;inset:0;background:#0d154e75;display:flex;align-items:center;justify-content:center;padding:16px;z-index:80;backdrop-filter:blur(4px)}.modal{background:#fff;border-radius:24px;box-shadow:0 25px 110px #070e392e;width:min(660px,100%);max-height:min(92vh,890px);overflow:auto;padding:28px}.modal.wide{width:min(820px,100%)}.modalhead{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:14px}.modalhead h2{margin:0;font-size:23px;letter-spacing:-.6px}.close{background:#f2f3fc;border:0;border-radius:9px;width:35px;height:35px;font-size:24px;color:var(--muted)}.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.formgrid .widefield{grid-column:1/-1}.section-note{background:#f0faff;border:1px solid #dceefa;border-radius:12px;padding:12px 15px;color:#52627e;font-size:13px;margin:10px 0 19px;line-height:1.7}.toast{position:fixed;bottom:22px;right:22px;z-index:101;background:#1f2954;color:white;padding:14px 19px;border-radius:14px;box-shadow:var(--shadow);max-width:min(420px,calc(100vw - 40px));font-size:13px;font-weight:650;opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translateY(0)}.toast.error{background:#b63a59}.mininote{color:var(--muted);font-size:12px;line-height:1.7}.two-col{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(290px,1fr);gap:19px}.reviewtext{background:#f8faff;border:1px solid var(--border);border-radius:13px;padding:13px 16px;white-space:pre-wrap;font-size:13px;line-height:1.7;margin-bottom:12px}.reviewtext b{display:block;color:var(--primary);margin-bottom:5px}.mini-pill{display:inline-block;border-radius:7px;padding:4px 8px;background:#eff1fb;color:#5c6a90;font-size:11px}.analysis-bar{display:flex;align-items:center;gap:9px;margin:13px 0;color:var(--muted);font-size:12px}.analysis-bar .bar{flex:1;margin:0}.analysis-bar b{color:var(--dark);font-variant-numeric:tabular-nums}.mobile-only{display:none}.desktop-only{display:inline-flex}
@media(max-width:1050px){.guest-main{gap:20px}.hero h1{font-size:45px}.sidebar{width:215px;flex-basis:215px}.content{padding:26px 23px 50px}.topbar{padding:0 24px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.two-col{grid-template-columns:1fr}}
@media(max-width:740px){.guest-header{padding:18px 18px 0}.guest-main{grid-template-columns:1fr;padding:29px 18px 45px;gap:27px}.hero h1{font-size:40px;letter-spacing:-1.7px}.hero p{font-size:15px}.auth-card{max-width:100%;padding:24px;border-radius:22px}.benefits{gap:7px}.benefit{padding:13px 9px;min-height:104px}.benefit strong{font-size:11px}.preview-box{display:none}.footerline{padding:0 18px 20px;display:block}.sidebar{position:fixed;top:auto;bottom:0;height:65px;width:100%;border-right:0;border-top:1px solid var(--border);padding:5px;display:block;background:#fff;box-shadow:0 -3px 20px #15205a0d}.sidebar .brand,.sidebar .navtitle,.aside-bottom{display:none}.nav{flex-direction:row;justify-content:space-around;gap:1px}.nav button{display:flex;flex-flow:column;align-items:center;justify-content:center;gap:0;min-width:46px;padding:5px 2px;border-radius:10px;font-size:10px;max-width:110px}.nav .ico{font-size:20px}.main{width:100%}.topbar{height:66px;padding:0 16px}.topbar .tiny{display:none}.identity small{display:none}.identity strong{max-width:90px;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}.avatar{height:34px;width:34px}.content{padding:21px 15px 95px}.pageintro{margin-bottom:16px}h1.page-title{font-size:23px}.hero-banner{padding:22px;border-radius:20px}.hero-banner h2{font-size:22px}.hero-banner .bigicon{display:none}.stat-grid{gap:9px}.stat{padding:14px;border-radius:16px}.stat .icon-circle{width:35px;height:35px;margin-bottom:10px}.stat h2{font-size:25px}.cards{grid-template-columns:1fr;gap:11px}.mission-card{min-height:0}.card{padding:17px}.steptrack{padding:12px 7px;gap:2px}.steptrack .node{font-size:10px;flex-direction:column;text-align:center;gap:4px}.steptrack .connector{width:9px;margin:0 2px}.taskbox{padding:19px 16px;border-radius:19px}.taskbox h2{font-size:20px}.taskbox .question{padding:14px}.radios{gap:5px}.radiocard{padding:25px 6px 11px;font-size:11px}.modal{padding:20px;border-radius:20px}.formgrid{grid-template-columns:1fr}.formgrid .widefield{grid-column:auto}.result-grid{grid-template-columns:1fr}.mobile-only{display:inline-flex}.desktop-only{display:none}.class-row{padding:14px}.actions .btn{font-size:12px;padding:10px 13px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}