.study-app{color:#24343d;max-width:1160px;margin:0 auto;padding:32px 24px}.study-header{justify-content:space-between;align-items:center;gap:16px;display:flex}.study-app button{cursor:pointer;color:inherit;font:inherit;background:#fff;border:1px solid #dce2db;border-radius:12px;padding:12px 16px}.study-app button:disabled{opacity:.55;cursor:default}.study-app button:focus-visible{outline-offset:3px;outline:3px solid #267166}.study-notice{background:#edf3e9;border-radius:12px;padding:16px}.study-layout{grid-template-columns:260px minmax(0,1fr);gap:32px;margin-top:24px;display:grid}.study-layout nav button{text-align:left;overflow-wrap:anywhere;width:100%;margin-bottom:10px;display:block}.study-layout nav button[aria-current]{background:#e9f3ef;border-color:#267166}.study-card{background:#fff;border:1px solid #dce2db;border-radius:16px;margin:20px 0;padding:24px}.study-copy,.study-solution,.study-card li{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.6}.study-app fieldset{border:0;min-width:0;margin-bottom:20px;padding:0}.study-app fieldset label{margin:16px 0 8px;display:block}.study-app textarea{box-sizing:border-box;width:100%;font:inherit;resize:vertical;border:1px solid #ccd8d0;border-radius:10px;padding:12px}.study-app select{font:inherit;padding:8px}.study-app button[aria-pressed=true]{background:#e9f3ef;border-color:#267166}.study-solution{border-top:1px solid #e5e8e3;margin-top:20px;padding-top:16px}@media (width<=700px){.study-app{padding:20px 16px}.study-layout{grid-template-columns:minmax(0,1fr)}.study-header h1{font-size:24px}}.test-payment-frame{z-index:10000;background:#fff;border:0;width:100%;height:100%;position:fixed;inset:0}:root{color:#233641;font-synthesis:none;--ink:#182d38;--muted:#6b777b;--accent:#c45c31;--line:#e3e5df;--paper:#fff;--green:#386653;background:#f8f7f3;font-family:DM Sans,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{outline-offset:4px}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.52}button{border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:9px;padding:11px 17px;font-weight:600;transition:background .15s}button:hover:not(:disabled){background:#f0f1ec}button.primary{background:var(--ink);color:#fff;border-color:var(--ink)}button.primary:hover:not(:disabled){background:#304956}button.orange{background:var(--accent);border-color:var(--accent);color:#fff}button.quiet{background:0 0;border-color:#0000}button.small{padding:7px 11px;font-size:13px}input,textarea,select{color:var(--ink);background:#fff;border:1px solid #cdd3cd;border-radius:8px;width:100%;padding:12px}textarea{resize:vertical;min-height:145px;line-height:1.65}label{margin-bottom:8px;font-size:13px;font-weight:600;display:block}h1,h2,h3,p{margin-top:0}h1,h2,h3,.brand{font-family:Manrope,system-ui,sans-serif}h1{letter-spacing:-1.5px;margin-bottom:14px;font-size:clamp(28px,3.2vw,40px);font-weight:700;line-height:1.2}h2{letter-spacing:-.5px;font-size:21px}h3{font-size:17px}p{line-height:1.65}.muted{color:var(--muted)}.small-text{font-size:12px;line-height:1.7}.eyebrow{letter-spacing:1.8px;text-transform:uppercase;color:var(--accent);margin-bottom:14px;font-size:11px;font-weight:700}.brand{letter-spacing:-1px;align-items:center;gap:10px;font-size:23px;font-weight:800;display:flex}.brand-mark{background:var(--accent);color:#fff;border-radius:10px;place-items:center;width:33px;height:33px;font-size:20px;display:grid}.brand span:last-child{color:var(--accent)}.demo-bar{color:#76501f;text-align:center;background:#f3e8d6;border-bottom:1px solid #e9d6b8;padding:9px 20px;font-size:12px;line-height:1.5}.auth-shell{grid-template-columns:1.1fr 1fr;min-height:calc(100vh - 37px);display:grid}.auth-story{background:#edf0e9;flex-direction:column;justify-content:space-between;gap:60px;padding:54px max(36px,8vw);display:flex}.auth-story h1{max-width:550px;font-size:clamp(40px,4.5vw,62px);line-height:1.13}.auth-story .intro{color:#65746d;max-width:420px;font-size:17px}.orbit-art{width:260px;height:170px;margin:25px 0;position:relative}.orbit{border:1px solid #b5c4b7;border-radius:50%;width:225px;height:100px;position:absolute;top:35px;left:15px;transform:rotate(-30deg)}.orbit.second{transform:rotate(30deg)}.orbit.third{transform:rotate(90deg)}.nucleus{background:var(--accent);border-radius:50%;width:29px;height:29px;position:absolute;top:68px;left:113px;box-shadow:0 0 0 10px #c45c3114}.auth-form{justify-content:center;align-items:center;padding:60px 45px;display:flex}.auth-card{width:100%;max-width:385px}.auth-card h2{font-size:29px}.auth-card form{margin-top:28px}.auth-card button{width:100%;margin-top:14px}.divider{color:#89928e;align-items:center;gap:14px;margin-top:22px;font-size:12px;display:flex}.divider:before,.divider:after{content:"";background:var(--line);flex:1;height:1px}.app-shell{grid-template-columns:260px minmax(0,1fr);min-height:calc(100vh - 37px);display:grid}.sidebar{border-right:1px solid var(--line);background:#eff1eb;flex-direction:column;gap:22px;max-height:calc(100vh - 37px);padding:29px 20px;display:flex;position:sticky;top:0}.sidebar .brand{margin:0 7px 14px}.sidebar .new-query{text-align:left;width:100%}.history-heading{color:#788078;letter-spacing:1.4px;margin:3px 4px 12px;font-size:10px;font-weight:700}.sidebar input{background:#f9faf6;padding:9px 10px;font-size:12px}.history-list{flex:1;min-height:100px;overflow-y:auto}.history-item{text-align:left;background:0 0;border:0;width:100%;margin:3px 0;padding:11px 10px;font-weight:400;display:block}.history-item.active{background:#fff;box-shadow:0 1px 4px #1a2c3210}.history-item strong{white-space:nowrap;text-overflow:ellipsis;margin-bottom:5px;font-size:12px;font-weight:500;display:block;overflow:hidden}.history-item span{color:var(--muted);font-size:10px}.sidebar-bottom{border-top:1px solid #dce0d7;padding-top:17px}.sidebar-bottom .wallet-link{text-align:left;background:0 0;border:0;justify-content:space-between;width:100%;padding:10px;display:flex}.account{align-items:center;gap:9px;padding:12px 9px 0;font-size:12px;display:flex}.avatar{background:#dce4d9;border-radius:50%;flex-shrink:0;place-items:center;width:30px;height:30px;font-weight:700;display:grid}.account-email{text-overflow:ellipsis;white-space:nowrap;max-width:145px;overflow:hidden}.main{min-width:0}.topbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;height:75px;padding:0 42px;font-size:12px;display:flex}.badge{color:var(--green);background:#f1f6ee;border:1px solid #d8e2d8;border-radius:20px;align-items:center;gap:6px;padding:5px 10px;font-size:10px;font-weight:600;display:inline-flex}.content{max-width:1050px;margin:auto;padding:48px 50px 65px}.lead{max-width:650px;color:var(--muted);margin-bottom:27px;font-size:14px}.panel{border:1px solid var(--line);background:#fff;border-radius:15px;margin-bottom:20px;padding:26px;box-shadow:0 3px 8px #223b301f}.form-top{justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px;display:flex}.segmented{background:#f1f2ed;border-radius:9px;gap:3px;padding:4px;display:flex}.segmented button{color:#6b777b;white-space:nowrap;background:0 0;border:0;padding:8px 14px;font-size:12px}.segmented button.selected{color:var(--ink);background:#fff;box-shadow:0 1px 3px #182d381c}.field-footer{color:var(--muted);justify-content:space-between;gap:15px;margin-top:9px;font-size:11px;display:flex}.attach{color:var(--accent);cursor:pointer;background:0 0;border:0;padding:0;font-size:12px;display:inline}.attachments{flex-wrap:wrap;gap:9px;margin-top:12px;display:flex}.attachment{border:1px solid var(--line);border-radius:8px;align-items:center;gap:8px;padding:5px 9px;font-size:11px;display:flex}.attachment img{object-fit:cover;border-radius:4px;width:34px;height:34px}.attachment button{border:0;padding:2px 5px}.form-settings{grid-template-columns:minmax(0,1fr) 120px;gap:25px;margin:25px 0;display:grid}.form-settings .segmented{width:max-content;max-width:100%}.submit-row{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:18px;padding-top:20px;display:flex}.submit-row p{color:var(--muted);max-width:335px;margin:0;font-size:11px}.support-grid{grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px;display:grid}.support-grid h3{margin-bottom:7px;font-size:12px}.support-grid p{color:var(--muted);font-size:11px;line-height:1.7}.support-number{color:var(--accent);margin-bottom:12px;font-size:11px;font-weight:700;display:block}.error{color:#963d27;background:#fff0ec;border:1px solid #efc2b5;border-radius:9px;margin:15px 0;padding:13px 16px;font-size:13px;line-height:1.6}.notice{color:#4e6845;background:#f2f5ed;border:1px solid #dce5d4;border-radius:9px;padding:14px 16px;font-size:12px;line-height:1.7}.status-row{justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.status{text-transform:uppercase;letter-spacing:1px;color:var(--green);font-size:11px;font-weight:700}.question{border-top:1px solid var(--line);padding:25px 0}.question:first-child{border-top:0}.question-meta{color:var(--muted);align-items:center;gap:12px;margin-bottom:15px;font-size:11px;display:flex}.question-number{color:#89713f;background:#f1eee5;border-radius:7px;padding:6px 10px;font-weight:700}.question-text{white-space:pre-wrap;font-size:15px;line-height:1.8}.options{white-space:pre-wrap;padding-left:25px;font-size:14px;line-height:1.9}.solution{white-space:pre-wrap;background:#f4f7f0;border-radius:9px;margin-top:15px;padding:19px;font-size:14px;line-height:1.85}.solution h4{color:var(--green);margin:0 0 10px;font-size:12px}.solution-toggle{color:var(--green);background:0 0;border:0;padding:8px 0;font-size:12px}.quote{background:#fffcf6;border-color:#ead6b5}.quote h2{font-size:19px}.quote-total{letter-spacing:-1px;margin:10px 0 15px;font-size:31px;font-weight:700}.quote-total small{color:var(--muted);letter-spacing:0;font-size:12px;font-weight:400}.consent{align-items:flex-start;gap:10px;margin:18px 0;font-size:12px;font-weight:400;line-height:1.7;display:flex}.consent input{flex-shrink:0;width:17px;height:17px;margin-top:3px}.button-row{flex-wrap:wrap;gap:10px;display:flex}.balance{letter-spacing:-1px;margin:8px 0;font-size:38px;font-weight:700}.plan-grid{grid-template-columns:repeat(3,1fr);gap:15px;display:grid}.plan-card{border:1px solid var(--line);border-radius:10px;padding:18px}.plan-card p{color:var(--muted);font-size:12px}.plan-card h3{font-size:15px}.plan-card button{width:100%;font-size:12px}.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}.empty{text-align:center;color:var(--muted);padding:30px;font-size:13px}.checking{text-align:center;padding:80px}.mobile-brand{display:none}.spinner{border:2px solid #aebbac;border-top-color:var(--green);border-radius:50%;width:13px;height:13px;margin-right:8px;animation:1s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}@media (width<=1050px){.content{padding:35px 28px}.topbar{padding:0 28px}.app-shell{grid-template-columns:225px minmax(0,1fr)}.sidebar{padding:25px 15px}.auth-story{padding:40px}.submit-row{align-items:flex-start}.form-top{flex-direction:column;align-items:flex-start}}@media (width<=720px){.auth-shell{display:block}.auth-story{gap:30px;padding:27px}.auth-story h1{font-size:37px}.auth-story .intro{margin-bottom:0;font-size:14px}.orbit-art,.auth-story .small-text{display:none}.auth-form{padding:32px 25px}.app-shell{display:block}.sidebar{border-bottom:1px solid var(--line);border-right:0;grid-template-columns:1fr auto;gap:10px;max-height:none;padding:15px 18px;display:grid;position:relative}.sidebar .brand{margin:0}.sidebar .new-query{width:auto}.sidebar .history-heading,.sidebar>input,.sidebar .history-list,.sidebar-bottom{display:none}.topbar{height:auto;min-height:62px;padding:12px 20px}.content{padding:28px 18px}.panel{padding:20px}.form-settings{grid-template-columns:minmax(0,1fr) 75px;gap:10px}.segmented button,.form-settings .segmented button{padding:8px 10px}.submit-row{flex-direction:column}.submit-row button{width:100%}.support-grid{gap:14px}.plan-grid{grid-template-columns:1fr}.demo-bar{padding:8px 12px;font-size:10px}.mobile-brand{gap:4px;display:flex}.status-row{flex-direction:column;align-items:flex-start}.question-text{font-size:14px}.topbar>span:first-child{max-width:150px;font-size:10px}.topbar>.badge{display:none}.content .history-list{max-height:none;display:block}.content>h1{letter-spacing:-1px}}
