.topbar{position:fixed;top:0;left:0;right:0;z-index:10;padding:18px 32px;justify-content:space-between;background:var(--nav-bg)}.logo,.topbar{display:flex;align-items:center}.logo{gap:10px;font-size:17px;font-weight:600;letter-spacing:-.3px}.logo em{font-style:normal;color:var(--ac);font-weight:500}.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--logo-bg);box-shadow:var(--logo-shadow);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;transition:var(--tr)}.logo-mark:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 120%,var(--glow-mint),transparent 60%);opacity:.7}.logo-mark svg{width:22px;height:22px;position:relative;z-index:2;filter:drop-shadow(0 0 6px var(--glow-mint))}.logo-mark .tooth-body{stroke:var(--logo-stroke)}.logo-mark .tooth-smile{stroke:var(--logo-smile)}.theme-toggle{width:40px;height:40px;border-radius:var(--pill);border:1px solid var(--brd);background:var(--surface);display:flex;align-items:center;justify-content:center;color:var(--tx-2);transition:all var(--tr);position:relative;overflow:hidden}.theme-toggle:hover{border-color:var(--brd-h);color:var(--tx)}.theme-toggle svg{width:16px;height:16px;position:absolute;transition:all var(--tr)}.theme-toggle .icon-sun{opacity:0;transform:rotate(-90deg) scale(.5)}.theme-toggle .icon-moon,[data-theme=dark] .theme-toggle .icon-sun{opacity:1;transform:rotate(0) scale(1)}[data-theme=dark] .theme-toggle .icon-moon{opacity:0;transform:rotate(90deg) scale(.5)}.split{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;padding-top:0;z-index:2}.pres,.split{position:relative}.pres{overflow:hidden;display:flex;flex-direction:column;justify-content:center;padding:100px 64px 60px;background:var(--panel-bg);border-right:1px solid var(--brd)}.pres-orb{position:absolute;border-radius:50%;pointer-events:none;opacity:var(--orb-opacity);z-index:0}.pres-orb-1{width:400px;height:400px;background:radial-gradient(circle,var(--mint) 0,transparent 70%);top:-80px;left:-80px}.pres-orb-2{width:500px;height:500px;background:radial-gradient(circle,var(--ac) 0,transparent 70%);bottom:-150px;right:-120px;opacity:calc(var(--orb-opacity) * .7)}@keyframes float{0%,to{transform:translate(0) scale(1)}50%{transform:translate(30px,-20px) scale(1.08)}}.pres-content{position:relative;z-index:2;max-width:440px}.pres-chip{display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 6px;border-radius:var(--pill);border:1px solid var(--brd);background:var(--surface);font-size:12px;color:var(--tx-2);margin-bottom:28px}.pres-chip-dot{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--mint),var(--ac));display:flex;align-items:center;justify-content:center;box-shadow:0 0 12px var(--glow-mint)}.pres-chip-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--bg-1);box-shadow:inset 0 0 0 2px var(--mint)}@keyframes pulse{0%,to{box-shadow:0 0 12px var(--glow-mint)}50%{box-shadow:0 0 22px var(--glow-mint),0 0 35px rgba(94,234,212,.15)}}.pres h1{font-size:44px;font-weight:300;letter-spacing:-.03em;line-height:1.05;margin-bottom:18px}.pres h1 em{font-style:normal;font-weight:600;background:linear-gradient(135deg,var(--mint-2),var(--ac) 60%,var(--ac-3));-webkit-background-clip:text;background-clip:text;color:transparent}[data-theme=dark] .pres h1 em{background:linear-gradient(135deg,var(--mint) 0,var(--ac) 50%,#fff);-webkit-background-clip:text;background-clip:text;color:transparent}.pres-desc{color:var(--tx-2);font-size:15px;line-height:1.6;font-weight:300;margin-bottom:40px}.pres-stats{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:14px;gap:14px;margin-top:20px}.pres-stat{padding:16px;border-radius:14px;border:1px solid var(--brd);background:var(--surface)}.pres-stat-v{font-size:24px;font-weight:300;letter-spacing:-.02em;line-height:1}.pres-stat-v em{font-style:normal;background:linear-gradient(135deg,var(--mint-2),var(--ac));-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:500}[data-theme=dark] .pres-stat-v em{background:linear-gradient(135deg,var(--mint),var(--ac));-webkit-background-clip:text;background-clip:text;color:transparent}.pres-stat-l{font-size:10px;color:var(--tx-3);text-transform:uppercase;letter-spacing:.12em;margin-top:6px;font-weight:500}.pres-feats{margin-top:36px;display:flex;flex-direction:column;gap:12px}.pres-feat{gap:12px;font-size:13px;color:var(--tx-2)}.pres-feat,.pres-feat-ic{display:flex;align-items:center}.pres-feat-ic{width:26px;height:26px;border-radius:8px;flex-shrink:0;background:linear-gradient(135deg,rgba(20,184,166,.12),rgba(14,165,233,.06));border:1px solid rgba(20,184,166,.25);justify-content:center;color:var(--mint-2)}[data-theme=dark] .pres-feat-ic{background:linear-gradient(135deg,rgba(94,234,212,.15),rgba(125,211,252,.05));border-color:rgba(94,234,212,.2);color:var(--mint)}.pres-feat-ic svg{width:13px;height:13px;stroke-width:2.2}.form-side{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:100px 48px 60px;position:relative}.mode-switch{display:inline-flex;padding:4px;border-radius:var(--pill);background:var(--bg-2);border:1px solid var(--brd);margin-bottom:28px;position:relative;max-width:100%;overflow-x:auto}.mode-switch::-webkit-scrollbar{display:none}.mode-btn{padding:8px 18px;border-radius:var(--pill);font-size:12px;font-weight:500;color:var(--tx-2);transition:all var(--tr);white-space:nowrap;position:relative;z-index:2}.mode-btn:hover{color:var(--tx)}.mode-btn.on{color:#fff;font-weight:600}[data-theme=dark] .mode-btn.on{color:var(--bg)}.mode-indicator{position:absolute;top:4px;bottom:4px;background:linear-gradient(135deg,var(--mint-2),var(--ac));border-radius:var(--pill);z-index:1;transition:all .4s cubic-bezier(.19,1,.22,1);box-shadow:0 4px 12px -2px var(--glow-strong)}[data-theme=dark] .mode-indicator{background:linear-gradient(135deg,var(--mint),var(--ac))}.form-wrap{width:100%;max-width:420px;position:relative}.form{position:absolute;top:0;left:0;right:0;opacity:0;visibility:hidden;transform:translateY(16px);transition:opacity .4s cubic-bezier(.19,1,.22,1),transform .4s cubic-bezier(.19,1,.22,1),visibility 0s .4s}.form.on{opacity:1;visibility:visible;transform:translateY(0);transition-delay:0s,0s,0s;position:relative}.form-head{margin-bottom:28px}.form-head h2{font-size:28px;font-weight:400;letter-spacing:-.02em;margin-bottom:8px}.form-head h2 em{font-style:normal;font-weight:600;background:linear-gradient(135deg,var(--mint-2),var(--ac));-webkit-background-clip:text;background-clip:text;color:transparent}[data-theme=dark] .form-head h2 em{background:linear-gradient(135deg,var(--mint),var(--ac));-webkit-background-clip:text;background-clip:text;color:transparent}.form-head p{color:var(--tx-3);font-size:13px;font-weight:300}.fg{margin-bottom:16px;position:relative}.fl{display:block;font-size:11px;font-weight:500;color:var(--tx-2);margin-bottom:6px;letter-spacing:.02em}.fi{width:100%;padding:12px 16px;border-radius:12px;border:1px solid var(--brd);background:var(--input-bg);font-size:14px;color:var(--tx);outline:none;transition:all var(--tr);font-family:var(--f)}.fi::placeholder{color:var(--tx-3)}.fi:focus{border-color:var(--ac);box-shadow:0 0 0 4px var(--glow)}.fi.key-input{font-family:monospace;font-size:18px;letter-spacing:4px;text-align:center;font-weight:500}.fi-ico{position:relative}.fi-ico svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--tx-3);pointer-events:none;transition:color var(--tr)}.fi-ico .fi{padding-left:42px}.fi-ico .fi:focus~svg{color:var(--ac)}.fi-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}.fi-row .fg{margin-bottom:0}.form-row{display:flex;align-items:center;justify-content:space-between;margin:-4px 0 22px;font-size:12px}.form-row a{color:var(--ac-3);font-weight:500;cursor:pointer}[data-theme=dark] .form-row a{color:var(--ac)}.check{display:flex;align-items:center;gap:8px;cursor:pointer;color:var(--tx-2)}.check input{width:14px;height:14px;accent-color:var(--ac)}.btn-submit{width:100%;padding:13px;border-radius:12px;background:var(--btn-primary-bg);color:var(--btn-primary-color);font-size:14px;font-weight:600;letter-spacing:-.01em;box-shadow:var(--btn-primary-shadow);transition:all var(--tr);display:flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer}.btn-submit:hover{transform:translateY(-1px);filter:brightness(1.05)}.btn-submit:disabled{opacity:.6;cursor:not-allowed;transform:none;filter:none}.btn-submit svg{width:14px;height:14px;transition:transform var(--tr-fast)}.btn-submit:hover:not(:disabled) svg{transform:translateX(2px)}.btn-submit.accent{background:linear-gradient(135deg,var(--mint) 0,var(--ac) 60%,var(--ac-3) 100%);color:var(--btn-accent-color);box-shadow:0 4px 14px -2px var(--glow-strong),0 0 0 1px rgba(14,165,233,.15)}.btn-submit.accent:hover:not(:disabled){box-shadow:0 10px 30px -6px var(--glow-strong)}.divider{margin:24px 0;display:flex;align-items:center;gap:12px;color:var(--tx-3);font-size:11px;text-transform:uppercase;letter-spacing:.15em}.divider:after,.divider:before{content:"";flex:1 1;height:1px;background:var(--brd)}.btn-social{width:100%;padding:11px;border-radius:12px;border:1px solid var(--brd);background:var(--bg-1);font-size:13px;font-weight:500;color:var(--tx);display:flex;align-items:center;justify-content:center;gap:10px;transition:all var(--tr);cursor:pointer}.btn-social:hover{border-color:var(--brd-h);background:var(--surface-h)}.form-foot{text-align:center;margin-top:26px;font-size:12px;color:var(--tx-3)}.form-foot a{color:var(--ac-3);font-weight:500;cursor:pointer}[data-theme=dark] .form-foot a{color:var(--ac)}.info-banner{padding:14px 16px;border-radius:12px;background:linear-gradient(135deg,rgba(20,184,166,.08),rgba(14,165,233,.04));border:1px solid rgba(20,184,166,.2);color:var(--mint-2);font-size:12px;line-height:1.5;display:flex;gap:10px;align-items:flex-start;margin-bottom:20px}[data-theme=dark] .info-banner{color:var(--mint);background:linear-gradient(135deg,rgba(94,234,212,.08),rgba(125,211,252,.04));border-color:rgba(94,234,212,.2)}.info-banner svg{width:16px;height:16px;flex-shrink:0;margin-top:1px}.fi.err{border-color:var(--danger);box-shadow:0 0 0 3px rgba(220,38,38,.12)}.fi-hint{font-size:11px;margin-top:6px;color:var(--tx-3)}.fi-hint.err{color:var(--danger)}.alert{margin-bottom:14px;padding:11px 14px;border-radius:11px;font-size:12.5px;line-height:1.5;display:flex;gap:10px;align-items:flex-start}.alert.error{background:rgba(220,38,38,.08);border:1px solid rgba(220,38,38,.25);color:var(--danger)}.alert.success{background:rgba(22,163,74,.08);border:1px solid rgba(22,163,74,.25);color:var(--success)}.alert svg{width:15px;height:15px;flex-shrink:0;margin-top:1px}.spin{width:14px;height:14px;border-radius:50%;border:2px solid;border-top:2px solid transparent;animation:sp .7s linear infinite}@keyframes sp{to{transform:rotate(1turn)}}@media (max-width:960px){.split{grid-template-columns:1fr}.pres{padding:100px 32px 40px;min-height:auto;border-right:none;border-bottom:1px solid var(--brd)}.form-side{padding:40px 24px 60px}.pres-stats{grid-template-columns:repeat(3,1fr);gap:10px}.pres h1{font-size:32px}}@media (max-width:600px){.pres{padding:80px 20px 28px}.form-side{padding:28px 16px 40px}.pres h1{font-size:24px}.pres-stats{grid-template-columns:repeat(2,1fr);gap:8px}.form-card{padding:22px 18px}.form-card h2{font-size:18px}}