:root{--blue: #3B82F6;--blue-hover: #2563EB;--blue-ring: rgba(59, 130, 246, .25);--blue-light: #EFF6FF;--text: #111827;--text-secondary: #6B7280;--text-muted: #9CA3AF;--border: #D1D5DB;--border-hover: #9CA3AF;--bg-input: #F9FAFB;--bg-card: #FFFFFF;--radius: 8px;--radius-lg: 12px}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:var(--bg-card)}button,input,a{font:inherit}.shell{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.showcase-side{min-height:100vh;display:grid;place-items:center;padding:48px 40px;background:radial-gradient(circle at 20% 20%,rgba(59,130,246,.1),transparent 40%),linear-gradient(135deg,#eff6ff,#f8faff,#fff)}.showcase{width:min(520px,100%);display:flex;flex-direction:column;align-items:center;gap:36px}.carousel{width:100%;text-align:center;position:relative}.carousel-slides{position:relative;min-height:220px}.carousel-slide{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;opacity:0;transform:translate(24px);transition:opacity .5s ease,transform .5s ease;pointer-events:none}.carousel-slide.active{opacity:1;transform:translate(0);pointer-events:auto;position:relative}.slide-icon-wrap{width:80px;height:80px;border-radius:20px;display:grid;place-items:center}.carousel-slide h2{margin:0;font-size:22px;font-weight:700;color:var(--text);line-height:1.2}.carousel-slide p{margin:0;font-size:14px;color:var(--text-secondary);max-width:320px;line-height:1.6}.carousel-dots{display:flex;justify-content:center;gap:8px;margin-top:20px}.dot{width:8px;height:8px;border-radius:50%;border:none;background:var(--border);cursor:pointer;padding:0;transition:background .2s,transform .2s}.dot.active{background:var(--c, var(--blue));transform:scale(1.25)}.dot:hover{background:var(--text-muted)}.code-window{position:relative;width:100%;border-radius:10px;overflow:hidden;background:#0f172a;box-shadow:0 16px 40px #0f172a40;border:1px solid rgba(255,255,255,.06)}.code-tabs{height:36px;display:flex;align-items:center;gap:20px;padding:0 16px;border-bottom:1px solid rgba(255,255,255,.14)}.code-tabs span{color:#f6fbff;font-size:12px;font-weight:700}.code-window pre{margin:0;padding:22px 24px 28px;color:#d8ecff;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:12.5px;line-height:1.6}.code-window button{position:absolute;right:14px;bottom:14px;width:36px;height:36px;border:0;border-radius:6px;color:#dce9f6;background:#ffffff2e;display:grid;place-items:center;cursor:pointer}.showcase-text{text-align:center}.showcase-text h2{margin:0 0 10px;color:var(--text);font-size:22px;line-height:1.2}.showcase-text p{margin:0;color:var(--text-secondary);font-size:14px}.modal-overlay{position:fixed;inset:0;background:#0006;display:grid;place-items:center;z-index:100;padding:24px}.modal-card{width:min(360px,100%);background:var(--bg-card);border-radius:var(--radius-lg);padding:28px 24px;box-shadow:0 20px 60px #0003;display:flex;flex-direction:column;align-items:center;gap:20px}.modal-card .msg{color:#ef4444}.modal-card h3{margin:0;font-size:16px;font-weight:600;color:var(--text)}.captcha-row{display:flex;gap:10px;align-items:center;width:100%}.captcha-img{width:120px;height:44px;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;object-fit:cover;flex-shrink:0;transition:border-color .15s}.captcha-img:hover{border-color:var(--border-hover)}.captcha-row input{flex:1;min-width:0}.modal-card .primary-btn{margin-top:0}.code-row{display:flex;gap:10px}.code-row input{flex:1}.code-row .send-code-btn{width:auto;white-space:nowrap;padding:0 16px;flex-shrink:0}.auth-side{min-height:100vh;display:grid;place-items:center;padding:48px 40px}.auth-card{width:min(440px,100%);display:flex;flex-direction:column;align-items:center;border:1px solid rgba(0,0,0,.08);border-radius:16px;padding:40px 32px;box-shadow:0 0 0 1px #00000008,0 2px 4px #0000000d,0 12px 24px #00000014;background:var(--bg-card)}.auth-header{display:flex;align-items:center;gap:12px;margin-bottom:28px}.brand-mark{width:48px;height:48px;border-radius:var(--radius-lg);background:var(--blue);color:#fff;display:grid;place-items:center;flex-shrink:0}h1,p{margin:0}h1{font-size:24px;font-weight:700;text-align:center;color:var(--text)}.social-btn{width:100%;height:44px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);display:flex;align-items:center;justify-content:center;gap:10px;text-decoration:none;color:var(--text);font-size:14px;font-weight:500;cursor:pointer;transition:background .15s,border-color .15s;margin-bottom:12px}.social-btn:hover{background:var(--bg-input);border-color:var(--border-hover);box-shadow:0 1px 3px #00000014}.social-btn svg,.social-btn .lucide-message-circle{flex-shrink:0}.or-divider{width:100%;display:flex;align-items:center;gap:14px;margin:4px 0 16px;color:var(--text-muted)}.or-divider span{flex:1;height:1px;background:var(--border)}.or-divider small{font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.email-form{width:100%;display:flex;flex-direction:column}.field{display:flex;flex-direction:column;gap:6px;width:100%;margin-bottom:16px}.field>span{font-size:14px;font-weight:500;color:var(--text)}.field input{width:100%;height:44px;border:1px solid var(--border);border-radius:var(--radius);padding:0 14px;background:var(--bg-card);color:var(--text);font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s}.field input:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-ring)}.field input::placeholder{color:var(--text-muted)}.send-code-btn,.primary-btn{width:100%;height:44px;border:none;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s;margin-top:4px}.send-code-btn{background:var(--blue-light);color:var(--blue);border:1px solid rgba(59,130,246,.3)}.send-code-btn:hover:not(:disabled){background:#dbeafe}.primary-btn{background:var(--blue);color:#fff}.primary-btn:hover:not(:disabled){background:var(--blue-hover);box-shadow:0 1px 3px #3b82f64d}.send-code-btn:disabled,.primary-btn:disabled{opacity:.5;cursor:not-allowed}.text-btn{background:none;border:none;color:var(--blue);font-size:13px;font-weight:500;cursor:pointer;padding:8px 0}.text-btn:hover{color:var(--blue-hover)}.input-with-action{position:relative}.input-with-action input{width:100%;height:44px;border:1px solid var(--border);border-radius:var(--radius);padding:0 80px 0 14px;background:var(--bg-card);color:var(--text);font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s}.input-with-action input:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-ring)}.input-with-action input::placeholder{color:var(--text-muted)}.mode-switch{position:absolute;right:6px;top:50%;transform:translateY(-50%);padding:4px 10px;white-space:nowrap;font-size:12px}.back-btn{display:flex;align-items:center;gap:4px;background:none;border:none;color:var(--blue);font-size:14px;font-weight:500;cursor:pointer;padding:0;margin-bottom:16px;align-self:flex-start}.back-btn:hover{color:var(--blue-hover)}.name-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%;margin-bottom:16px}.name-row .field{margin-bottom:0}.pwd-wrap{position:relative}.pwd-wrap input{width:100%;padding-right:44px}.pwd-toggle{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-muted);cursor:pointer;display:grid;place-items:center;padding:4px}.pwd-toggle:hover{color:var(--text-secondary)}.msg{text-align:center;font-size:13px;color:var(--blue);margin-top:12px;line-height:1.5}.switch-text{text-align:center;font-size:14px;color:var(--text-secondary);margin-top:24px}.switch-text button{background:none;border:none;color:var(--blue);font-size:14px;font-weight:600;cursor:pointer;padding:0}.switch-text button:hover{color:var(--blue-hover)}.terms{text-align:center;font-size:12px;color:var(--text-muted);margin-top:20px;line-height:1.6}.terms a{color:var(--text-muted);text-decoration:underline;text-decoration-color:#9ca3af80;text-underline-offset:2px}.terms a:hover{text-decoration-color:var(--text-muted)}@media(max-width:960px){.shell{grid-template-columns:1fr}.showcase-side{min-height:auto;padding:48px 24px}.auth-side{min-height:auto;padding:44px 24px 64px}}@media(max-width:560px){.showcase-side{display:none}.auth-side{min-height:100vh;padding:24px}}