.pr-root{--pr-frog-green:#00a572;--pr-frog-green-light:#00c985;--pr-frog-green-dark:#008a5e;--pr-radius-pill:999px;--pr-frog-green-wash:#00a5720a;--pr-bg-primary:#f6faf4;--pr-bg-warm:#f1f6ef;--pr-bg-card:#fff;--pr-text-primary:#14250f;--pr-text-secondary:#3d5a40;--pr-text-muted:#6b8a6e;--pr-border-card:#00281412;--pr-border-strong:#0028141f;--pr-shadow-md:0 4px 16px #003c1e0f;--pr-shadow-lg:0 18px 50px #003c1e1a;--pr-shadow-green:0 8px 26px #00a57238;--pr-nav-bg:#f6faf4b8;--pr-nav-border:#00281414;--pr-glow-1:#00a57212;--pr-glow-2:#4ecdc40f;background:var(--pr-bg-primary);color:var(--pr-text-primary);-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;font-family:DM Sans,-apple-system,sans-serif;line-height:1.6;display:flex;overflow-x:hidden}html[data-theme=dark] .pr-root{--pr-frog-green-wash:#00a57214;--pr-bg-primary:#07170c;--pr-bg-warm:#0a2110;--pr-bg-card:#0e2615;--pr-text-primary:#e8f5e9;--pr-text-secondary:#a5c4aa;--pr-text-muted:#6f9176;--pr-border-card:#ffffff14;--pr-border-strong:#ffffff24;--pr-shadow-md:0 4px 16px #00000059;--pr-shadow-lg:0 20px 55px #00000080;--pr-shadow-green:0 8px 30px #00a5724d;--pr-nav-bg:#07170ca8;--pr-nav-border:#ffffff14;--pr-glow-1:#00a57229;--pr-glow-2:#4ecdc41a}.pr-root *{box-sizing:border-box}.pr-root a{color:inherit;text-decoration:none}.pr-bg{z-index:0;pointer-events:none;background:radial-gradient(ellipse 700px 500px at 18% 12%,var(--pr-glow-1)0%,transparent 60%),radial-gradient(ellipse 600px 600px at 84% 80%,var(--pr-glow-2)0%,transparent 55%);position:fixed;inset:0}.pr-nav{z-index:70;background:var(--pr-nav-bg);border:1px solid var(--pr-nav-border);-webkit-backdrop-filter:blur(18px)saturate(1.4);border-radius:16px;justify-content:space-between;align-items:center;gap:18px;max-width:1304px;margin:0 auto;padding:10px 16px 10px 18px;display:flex;position:fixed;top:12px;left:12px;right:12px}.pr-nav-logo{letter-spacing:-.4px;align-items:center;gap:9px;font-family:DM Serif Display,serif;font-size:22px;display:inline-flex}.pr-nav-logo span{filter:drop-shadow(0 2px 6px #00a57259);font-size:24px}.pr-nav-right{align-items:center;gap:8px;display:flex}.pr-nav-back{border-radius:var(--pr-radius-pill);color:var(--pr-text-secondary);padding:8px 14px;font-size:14px;font-weight:500;transition:color .2s,background .2s}.pr-nav-back:hover{color:var(--pr-frog-green);background:var(--pr-frog-green-wash)}.pr-icon-btn{border-radius:var(--pr-radius-pill);border:1px solid var(--pr-border-card);background:var(--pr-bg-card);width:38px;height:38px;color:var(--pr-text-secondary);cursor:pointer;justify-content:center;align-items:center;transition:all .2s;display:inline-flex}.pr-icon-btn:hover{color:var(--pr-frog-green);border-color:var(--pr-frog-green)}.pr-icon-btn svg{width:18px;height:18px}.pr-main{z-index:1;flex:1;justify-content:center;align-items:center;padding:120px 20px 60px;display:flex;position:relative}.pr-card{background:var(--pr-bg-card);border:1px solid var(--pr-border-card);width:100%;max-width:560px;box-shadow:var(--pr-shadow-lg);border-radius:26px;padding:44px}.pr-head{text-align:center;margin-bottom:28px}.pr-head .pr-frog{margin-bottom:8px;font-size:50px;display:block}.pr-head h1{letter-spacing:-.6px;font-family:DM Serif Display,serif;font-size:34px;font-weight:400}.pr-head p{color:var(--pr-text-secondary);margin-top:8px}.pr-seg{background:var(--pr-bg-warm);border:1px solid var(--pr-border-card);border-radius:14px;gap:6px;margin-bottom:22px;padding:5px;display:flex}.pr-seg button{cursor:pointer;color:var(--pr-text-muted);background:0 0;border:none;border-radius:10px;flex:1;padding:11px 8px;font-family:inherit;font-size:14px;font-weight:600;transition:all .2s}.pr-seg button[aria-pressed=true]{background:var(--pr-bg-card);color:var(--pr-frog-green);box-shadow:var(--pr-shadow-md)}.pr-field{margin-bottom:18px}.pr-field label{color:var(--pr-text-secondary);margin-bottom:7px;font-size:13.5px;font-weight:600;display:block}.pr-uname{align-items:center;display:flex;position:relative}.pr-uname .pr-at{color:var(--pr-text-muted);font-weight:600;position:absolute;left:14px}.pr-field input{background:var(--pr-bg-warm);border:1px solid var(--pr-border-strong);width:100%;color:var(--pr-text-primary);border-radius:13px;padding:14px 16px;font-family:inherit;font-size:15px;transition:border-color .2s,box-shadow .2s}.pr-uname input{padding-left:30px}.pr-field input:focus{border-color:var(--pr-frog-green);box-shadow:0 0 0 4px var(--pr-frog-green-wash);outline:none}.pr-hint{color:var(--pr-text-muted);min-height:18px;margin-top:6px;font-size:12.5px}.pr-hint b{color:var(--pr-frog-green)}.pr-hint.pr-hint-error{color:#e0573e}.pr-submit{border-radius:var(--pr-radius-pill);cursor:pointer;background:var(--pr-frog-green);color:#fff;width:100%;box-shadow:var(--pr-shadow-green);border:none;justify-content:center;align-items:center;gap:9px;margin-top:6px;padding:15px 30px;font-size:15.5px;font-weight:600;transition:transform .25s,background .25s;display:inline-flex}.pr-submit:hover:not(:disabled){background:var(--pr-frog-green-dark);transform:translateY(-2px)}.pr-submit:disabled{opacity:.7;cursor:default}.pr-note{text-align:center;color:var(--pr-text-muted);margin-top:16px;font-size:12.5px;line-height:1.6}.pr-android-note{color:var(--pr-text-secondary);background:#00a57214;border:1px solid #00a57240;border-radius:14px;align-items:flex-start;gap:11px;margin-bottom:20px;padding:14px 16px;font-size:13.5px;display:flex}.pr-android-note b{color:var(--pr-frog-green)}.pr-result{text-align:center;padding:24px 6px;animation:.5s pr-fade}.pr-result .pr-big{font-size:60px}.pr-result h2{color:var(--pr-frog-green);margin:8px 0;font-family:DM Serif Display,serif;font-size:30px;font-weight:400}.pr-result p{color:var(--pr-text-secondary)}@keyframes pr-fade{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}.pr-footer{z-index:1;text-align:center;color:var(--pr-text-muted);padding:24px;font-size:13px;position:relative}@media (max-width:520px){.pr-card{padding:30px 22px}}