:root{--sb-bg: #f5fbfb;--sb-bg-accent: #e8f5f5;--sb-card: #ffffff;--sb-text: #0b3b3c;--sb-text-muted: #517274;--sb-primary: #0ea5a4;--sb-primary-600: #0a8f8e;--sb-primary-100: #d8f3f3;--sb-danger: #c62828;--sb-success: #15803d;--radius: 14px;--shadow-lg: 0 10px 30px rgba(14,165,164,.18);--shadow-md: 0 6px 18px rgba(11,59,60,.12);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";color:var(--sb-text);background:radial-gradient(1200px 600px at 10% -10%,#c7f1f1,#c7f1f100 60%),radial-gradient(1000px 600px at 110% 0%,#dff8f8,#dff8f800 60%),var(--sb-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body,#root{height:100%}body{margin:0;min-width:320px}a{color:var(--sb-primary);text-decoration:none}a:hover{color:var(--sb-primary-600)}h1,h2,h3{font-family:Poppins,Inter,ui-sans-serif,system-ui;margin:0}.sb-container{max-width:1120px;margin:0 auto;padding:24px}.sb-auth-shell{display:grid;grid-template-columns:1.15fr 1fr;gap:28px;align-items:center;min-height:100vh}.sb-hero{padding:48px 40px}.sb-hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--sb-primary-100);color:var(--sb-primary-600);border-radius:999px;padding:8px 14px;font-weight:600;box-shadow:var(--shadow-md)}.sb-hero-title{margin-top:18px;font-size:40px;line-height:1.15}.sb-hero-sub{margin-top:10px;color:var(--sb-text-muted)}.sb-card{background:var(--sb-card);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:28px}.sb-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}.sb-brand-logo{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:var(--sb-primary);box-shadow:0 6px 16px #0ea5a459}.sb-brand-name{font-weight:700;font-family:Poppins;letter-spacing:.3px}.sb-field{display:grid;gap:6px;margin:12px 0}.sb-field label{font-size:14px;color:var(--sb-text-muted)}.sb-input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid #d7e7e7;background:#fcffff;outline:none;transition:box-shadow .2s,border-color .2s}.sb-input:focus{border-color:var(--sb-primary);box-shadow:0 0 0 4px #0ea5a42e}.sb-button{appearance:none;border:0;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:12px;background:var(--sb-primary);color:#fff;font-weight:600;cursor:pointer;box-shadow:0 8px 20px #0ea5a459;transition:transform .04s ease-in,background .15s ease,box-shadow .2s ease}.sb-button:hover{background:var(--sb-primary-600)}.sb-button:active{transform:translateY(1px)}.sb-button[disabled]{opacity:.7;cursor:not-allowed}.sb-danger{background:var(--sb-danger);box-shadow:0 8px 20px #c628284d}.sb-danger:hover{filter:brightness(.95)}.sb-note{font-size:14px;color:var(--sb-text-muted)}.sb-error{color:var(--sb-danger);font-size:14px;margin:8px 0}.sb-success{color:var(--sb-success);font-size:14px;margin:8px 0}.sb-divider{height:1px;background:#e6f0f0;margin:16px 0}.sb-footer-note{text-align:center;margin-top:14px;color:var(--sb-text-muted);font-size:12px}.sb-spinner{width:44px;height:44px;border:4px solid #d9efef;border-top-color:var(--sb-primary);border-radius:50%;animation:sb-spin 1s linear infinite}@keyframes sb-spin{to{transform:rotate(360deg)}}.sb-center-full{min-height:100vh;display:grid;place-items:center}