:root{color:#17202a;font-synthesis:none;text-rendering:optimizelegibility;background:#f6f8fa;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}html{background:#f6f8fa;min-width:320px}body{min-width:320px;margin:0}:root{--wex-ink:#17202a;--wex-muted:#68727d;--wex-subtle:#8a949e;--wex-border:#dfe4e8;--wex-border-strong:#cfd6dc;--wex-surface:#fff;--wex-background:#f6f7f8;--wex-background-soft:#fafbfc;--wex-accent:#17202a;--wex-accent-hover:#29343e;--wex-success:#2f7d5b;--wex-danger:#b64a4a;--wex-shadow:0 1px 2px #17202a0a, 0 8px 24px #17202a0d;--wex-radius:14px;--wex-radius-small:9px}*{box-sizing:border-box}button,input,textarea,select{font:inherit}button{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline-offset:2px;outline:3px solid #17202a1f}.auth-screen{background:radial-gradient(circle at 50% 0%, #fffffff2, transparent 48%), var(--wex-background);justify-content:center;align-items:center;width:100%;min-height:100vh;padding:32px 20px;display:flex}.auth-card{background:var(--wex-surface);border:1px solid var(--wex-border);width:min(100%,430px);box-shadow:var(--wex-shadow);border-radius:18px;padding:42px}.auth-brand{margin-bottom:42px}.auth-card h1{color:var(--wex-ink);letter-spacing:-.7px;margin:0;font-size:30px;font-weight:650;line-height:1.15}.auth-subtitle{color:var(--wex-muted);margin:10px 0 28px;font-size:14px;line-height:1.6}.auth-form{flex-direction:column;gap:18px;display:flex}.auth-form label{color:var(--wex-ink);flex-direction:column;gap:8px;font-size:13px;font-weight:600;display:flex}.auth-form input{width:100%;height:46px;color:var(--wex-ink);border:1px solid var(--wex-border-strong);border-radius:var(--wex-radius-small);background:#fff;outline:none;padding:0 13px;transition:border-color .16s,box-shadow .16s}.auth-form input::placeholder{color:#a2aab1}.auth-form input:hover{border-color:#b8c1c9}.auth-form input:focus{border-color:#7b858f;box-shadow:0 0 0 3px #17202a12}.auth-message{color:#8f3939;border-radius:var(--wex-radius-small);background:#fff6f6;border:1px solid #efd1d1;padding:11px 12px;font-size:13px;line-height:1.5}.auth-switch{color:var(--wex-muted);text-align:center;margin-top:24px;font-size:13px}.auth-switch button{color:var(--wex-ink);cursor:pointer;background:0 0;border:0;margin-left:5px;padding:0;font-weight:650}.auth-switch button:hover{text-decoration:underline}.brand{align-items:center;gap:11px;display:flex}.brand-mark{color:#fff;background:var(--wex-ink);letter-spacing:-.5px;border-radius:9px;flex:0 0 36px;justify-content:center;align-items:center;width:36px;height:36px;font-size:16px;font-weight:750;display:flex}.brand-name{color:var(--wex-ink);letter-spacing:-.15px;font-size:15px;font-weight:700;line-height:1.15}.brand-tagline{color:var(--wex-subtle);letter-spacing:.45px;text-transform:uppercase;margin-top:2px;font-size:10px;font-weight:600;line-height:1.2}.app{min-height:100vh;color:var(--wex-ink);background:var(--wex-background)}.topbar{z-index:20;border-bottom:1px solid var(--wex-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff5;justify-content:space-between;align-items:center;width:100%;height:68px;padding:0 34px;display:flex;position:sticky;top:0}.nav{align-items:center;gap:5px;display:flex}.nav-link{min-height:36px;color:var(--wex-muted);cursor:pointer;background:0 0;border:0;border-radius:8px;padding:0 12px;font-size:13px;font-weight:600;transition:color .15s,background .15s}.nav-link:hover{color:var(--wex-ink);background:#f1f3f5}.nav-link.active{color:var(--wex-ink);background:#eef0f2}.main{width:min(1160px,100% - 40px);margin:0 auto;padding:72px 0 80px}.hero{text-align:center;max-width:760px;margin:0 auto 46px;position:relative}.eyebrow{color:#68727d;letter-spacing:.85px;background:#eceff1;border-radius:999px;align-items:center;min-height:26px;padding:0 9px;font-size:10px;font-weight:750;line-height:1;display:inline-flex}.hero h1{color:var(--wex-ink);letter-spacing:-2.6px;margin:17px 0 13px;font-size:clamp(38px,5vw,58px);font-weight:680;line-height:1.02}.hero-text{color:var(--wex-muted);margin:0;font-size:16px;line-height:1.5}.usage{width:fit-content;color:var(--wex-muted);border:1px solid var(--wex-border);background:#fff;border-radius:999px;align-items:center;gap:10px;margin:23px auto 0;padding:9px 13px;font-size:12px;display:inline-flex;box-shadow:0 1px 2px #17202a06}.usage strong{color:var(--wex-ink);font-weight:700}.error-banner{color:#8f3939;background:#fff7f7;border:1px solid #efd3d3;border-radius:10px;max-width:900px;margin:0 auto 22px;padding:12px 15px;font-size:13px;line-height:1.5}.workspace{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch;gap:18px;display:grid}.panel{background:var(--wex-surface);border:1px solid var(--wex-border);border-radius:var(--wex-radius);min-width:0;box-shadow:var(--wex-shadow);padding:25px}.panel-header{margin-bottom:20px}.panel-header .field-label{margin-bottom:7px;display:block}.panel-header p{color:var(--wex-muted);margin:0;font-size:13px;line-height:1.45}.field-label{color:#68727d;letter-spacing:.8px;font-size:10px;font-weight:750;line-height:1.3}.message-box,.context-box{resize:vertical;width:100%;color:var(--wex-ink);background:var(--wex-background-soft);border:1px solid var(--wex-border);border-radius:10px;outline:none;line-height:1.6;transition:border-color .16s,box-shadow .16s,background .16s;display:block}.message-box{min-height:205px;margin-bottom:20px;padding:15px;font-size:14px}.context-box{min-height:92px;margin-top:8px;padding:13px;font-size:13px}.message-box::placeholder,.context-box::placeholder{color:#9aa3ab}.message-box:hover,.context-box:hover{border-color:#c5cdd3}.message-box:focus,.context-box:focus{background:#fff;border-color:#7b858f;box-shadow:0 0 0 3px #17202a0f}.controls{grid-template-columns:1fr 1fr;gap:12px;margin-top:20px;display:grid}.control{flex-direction:column;gap:8px;display:flex}.control select{width:100%;height:43px;color:var(--wex-ink);border:1px solid var(--wex-border-strong);cursor:pointer;background:#fff;border-radius:9px;outline:none;padding:0 12px}.control select:hover{border-color:#b8c1c9}.control select:focus{border-color:#7b858f;box-shadow:0 0 0 3px #17202a0f}.generate-button{color:#fff;background:var(--wex-accent);border:1px solid var(--wex-accent);cursor:pointer;border-radius:10px;width:100%;min-height:47px;margin-top:20px;padding:0 18px;font-size:13px;font-weight:700;transition:background .15s,transform .15s,box-shadow .15s}.generate-button:hover:not(:disabled){background:var(--wex-accent-hover);transform:translateY(-1px);box-shadow:0 5px 14px #17202a1f}.generate-button:active:not(:disabled){box-shadow:none;transform:translateY(0)}.generate-button:disabled{opacity:.55;cursor:not-allowed}.reply-box{background:var(--wex-background-soft);border:1px solid var(--wex-border);border-radius:11px;justify-content:center;align-items:center;min-height:365px;padding:24px;display:flex}.reply-box.has-reply{background:#fff;justify-content:flex-start;align-items:flex-start}.empty-state{text-align:center;max-width:280px}.empty-icon{width:40px;height:40px;color:var(--wex-ink);background:#eceff1;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 13px;font-size:17px;display:flex}.empty-state strong{color:var(--wex-ink);font-size:13px;font-weight:700;display:block}.empty-state p{color:var(--wex-muted);margin:7px 0 0;font-size:12px;line-height:1.55}.reply-content{width:100%;color:var(--wex-ink);font-size:14px;line-height:1.75}.reply-content p{margin:0 0 15px}.reply-content p:last-child{margin-bottom:0}.reply-actions{gap:9px;margin-top:12px;display:flex}.copy-button,.regenerate-button{cursor:pointer;border-radius:9px;min-height:40px;padding:0 14px;font-size:12px;font-weight:700;transition:background .15s,border-color .15s,color .15s}.copy-button{color:#fff;background:var(--wex-ink);border:1px solid var(--wex-ink);flex:1}.copy-button:hover{background:var(--wex-accent-hover)}.regenerate-button{color:var(--wex-ink);border:1px solid var(--wex-border-strong);background:#fff}.regenerate-button:hover{background:#f4f5f6;border-color:#b9c1c7}.examples{margin-top:68px}.examples-header{margin-bottom:18px}.examples-header h2{color:var(--wex-ink);letter-spacing:-.45px;margin:0;font-size:21px;font-weight:680;line-height:1.2}.examples-header p{color:var(--wex-muted);margin:6px 0 0;font-size:13px;line-height:1.5}.example-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;display:grid}.example-card{text-align:left;width:100%;min-width:0;min-height:145px;color:var(--wex-ink);border:1px solid var(--wex-border);cursor:pointer;background:#fff;border-radius:12px;flex-direction:column;align-items:flex-start;padding:19px;transition:border-color .15s,box-shadow .15s,transform .15s;display:flex;box-shadow:0 1px 2px #17202a06}.example-card:hover{border-color:#c4ccd2;transform:translateY(-1px);box-shadow:0 7px 20px #17202a0e}.example-card>span{color:var(--wex-subtle);letter-spacing:.75px;text-transform:uppercase;margin-bottom:10px;font-size:9px;font-weight:750;line-height:1.2}.example-card strong{color:var(--wex-ink);font-size:13px;font-weight:650;line-height:1.5;display:block}.example-card p{color:var(--wex-subtle);margin:auto 0 0;padding-top:15px;font-size:11px;line-height:1.4}.history-card{min-height:155px}.footer{color:#929ba3;border-top:1px solid var(--wex-border);justify-content:space-between;gap:20px;width:min(1160px,100% - 40px);margin:0 auto;padding:25px 0 32px;font-size:11px;display:flex}@media (width<=900px){.topbar{padding:0 22px}.main{padding-top:56px}.workspace{grid-template-columns:1fr}.reply-box{min-height:300px}.example-grid{grid-template-columns:1fr 1fr}}@media (width<=640px){.auth-screen{padding:18px}.auth-card{border-radius:15px;padding:30px 24px}.auth-brand{margin-bottom:34px}.auth-card h1{font-size:27px}.topbar{height:62px;padding:0 16px}.brand-mark{border-radius:8px;flex-basis:33px;width:33px;height:33px}.brand-name{font-size:14px}.brand-tagline{font-size:9px}.nav{gap:0}.nav-link{padding:0 8px;font-size:12px}.main{width:min(100% - 28px,560px);padding:45px 0 60px}.hero{margin-bottom:34px}.hero h1{letter-spacing:-1.8px;font-size:40px}.hero-text{font-size:14px}.usage{font-size:11px}.panel{border-radius:12px;padding:19px}.message-box{min-height:180px}.controls{grid-template-columns:1fr}.reply-box{min-height:280px;padding:19px}.example-grid{grid-template-columns:1fr}.examples{margin-top:52px}.footer{width:min(100% - 28px,560px);padding-bottom:24px;font-size:10px}}@media (width<=420px){.nav-link{padding:0 6px;font-size:11px}.hero h1{font-size:35px}.usage{flex-direction:column;gap:3px;padding:9px 14px}.reply-actions{flex-direction:column}.copy-button,.regenerate-button{width:100%}}