:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background:#090c12;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}html,body{color:#eef2ff;background:#090c12;width:100%;min-height:100%;margin:0}button{font:inherit}.login-shell{background:radial-gradient(circle at 50% 0,#6f64ea38,#0000 37%),#090c12;place-items:center;min-height:100dvh;padding:20px;display:grid}.login-card{background:linear-gradient(155deg,#ffffff13,#ffffff06);border:1px solid #2b3548;border-radius:26px;width:min(420px,100%);padding:30px;box-shadow:0 30px 80px #00000061}.login-mark{background:linear-gradient(145deg,#9188ff,#6f64ea);border-radius:18px;place-items:center;width:56px;height:56px;margin-bottom:22px;font-weight:950;display:grid;box-shadow:0 12px 30px #6f64ea59}.login-card h1{letter-spacing:-.055em;margin:9px 0;font-size:clamp(2.2rem,10vw,3.5rem);line-height:1}.login-card>p{color:#aeb8ca;margin:0 0 25px;line-height:1.55}.login-card label{color:#cdd4e1;gap:7px;margin-top:14px;font-size:.82rem;font-weight:850;display:grid}.login-card input{color:#f4f6fb;background:#111722;border:1px solid #344057;border-radius:14px;outline:0;width:100%;min-height:50px;padding:0 14px}.login-card input:focus{border-color:#9188ff;box-shadow:0 0 0 3px #9188ff2b}.login-button{color:#fff;cursor:pointer;background:linear-gradient(135deg,#9188ff,#6f64ea);border:0;border-radius:15px;width:100%;min-height:52px;margin-top:18px;font-weight:950}.login-button:disabled{opacity:.65;cursor:wait}.login-switch{color:#bdb6ff;cursor:pointer;background:0 0;border:0;width:100%;min-height:44px;margin-top:10px;font-weight:850}.login-error{color:#ff9aa7;margin-top:12px;font-size:.82rem}.site-shell{width:100vw;height:100dvh;padding-top:calc(54px + env(safe-area-inset-top));background:#08090a;overflow:hidden}.site-shell:before{content:"";z-index:90;height:calc(54px + env(safe-area-inset-top));-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#08090af0;border-bottom:1px solid #ffffff12;position:fixed;inset:0 0 auto}.tutor-frame{background:#08090a;border:0;width:100%;height:100%;display:block}.back-to-hub{z-index:100;top:calc(5px + env(safe-area-inset-top));color:#d0d6e0;cursor:pointer;min-height:44px;box-shadow:none;background:0 0;border:0;border-radius:8px;padding:0 12px;font-weight:700;position:fixed;left:10px}.back-to-hub:hover{background:#1b2230}.hub-shell{background:radial-gradient(circle at 15% -10%,#8b7cf638,#0000 34%),radial-gradient(circle at 100% 85%,#54d6b71f,#0000 28%),#090c12;min-height:100dvh;padding:34px 18px}.hub-wrap{width:min(820px,100%);margin:0 auto}.hub-head{padding:42px 2px 30px;position:relative}.hub-logout{color:#cdd4e1;cursor:pointer;background:#111722;border:1px solid #2b3548;border-radius:12px;min-height:44px;padding:0 13px;font-weight:800;position:absolute;top:16px;right:2px}.hub-kicker{color:#a99eff;letter-spacing:.13em;text-transform:uppercase;font-size:.75rem;font-weight:900}.hub-head h1{letter-spacing:-.06em;max-width:680px;margin:12px 0;font-size:clamp(2.35rem,8vw,4.7rem);line-height:.98}.hub-head p{color:#aeb8ca;max-width:600px;margin:0;font-size:1.02rem;line-height:1.6}.subject-grid{gap:13px;display:grid}.subject-card{--accent:#8b7cf6;text-align:left;color:#eef2ff;background:linear-gradient(145deg,#ffffff12,#ffffff06);border:1px solid #293244;border-radius:22px;grid-template-columns:58px 1fr auto;align-items:center;gap:16px;width:100%;min-height:112px;padding:18px;display:grid;box-shadow:0 18px 48px #0000003b}.subject-card.available{cursor:pointer;transition:transform .18s,border-color .18s,background .18s}.subject-card.available:hover{border-color:color-mix(in srgb, var(--accent) 60%, #293244);background:linear-gradient(145deg, color-mix(in srgb, var(--accent) 10%, #171c28), #111620);transform:translateY(-2px)}.subject-card.coming{opacity:.54}.subject-icon{background:color-mix(in srgb, var(--accent) 17%, #171c28);width:58px;height:58px;color:var(--accent);letter-spacing:-.02em;border-radius:18px;place-items:center;font-size:1.02rem;font-weight:950;display:grid}.subject-copy{min-width:0}.subject-copy small{color:var(--accent);text-transform:uppercase;letter-spacing:.08em;margin-bottom:3px;font-size:.72rem;font-weight:900;display:block}.subject-copy strong{letter-spacing:-.025em;margin-bottom:5px;font-size:clamp(1.08rem,3.7vw,1.35rem);display:block}.subject-copy span{color:#9ca8bb;font-size:.82rem;display:block}.subject-arrow{color:var(--accent);white-space:nowrap;font-weight:900}:focus-visible{outline-offset:3px;outline:3px solid #c8c1ff}@media (width>=720px){.subject-grid{grid-template-columns:repeat(2,1fr)}.subject-card{grid-template-columns:64px 1fr;min-height:145px}.subject-arrow{grid-column:2}}@media (width<=520px){.hub-shell{padding:20px 13px}.hub-head{padding-top:78px}.hub-logout{top:14px}.subject-card{border-radius:18px;grid-template-columns:50px 1fr auto;gap:12px;padding:15px}.subject-icon{border-radius:15px;width:50px;height:50px}.subject-arrow{font-size:.75rem}}@media (prefers-reduced-motion:reduce){*{transition-duration:.001ms!important}}