:root{--ti-teal:#0D9488;--ti-teal-d:#0F766E;--ti-gray1:#F9FAFB;--ti-gray2:#F3F4F6;--ti-gray3:#E5E7EB;--ti-gray4:#9CA3AF;--ti-gray5:#6B7280;--ti-gray6:#374151;--ti-dark:#111827}*{box-sizing:border-box}body{font-family:'DM Sans',sans-serif;background:var(--ti-gray1);color:var(--ti-dark);min-height:100vh}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.auth-brand{background:var(--ti-dark);display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:64px;position:relative;overflow:hidden}.auth-brand::before{content:'';position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(13,148,136,.25) 0,transparent 70%);top:-100px;right:-100px;pointer-events:none}.auth-brand .brand-logo{font-size:28px;font-weight:600;color:#fff;letter-spacing:-.5px;text-decoration:none;margin-bottom:48px}.auth-brand .brand-logo span{color:var(--ti-teal)}.auth-brand h1{font-size:36px;font-weight:600;color:#fff;line-height:1.2;margin-bottom:16px}.auth-brand p{font-size:15px;color:var(--ti-gray4);line-height:1.6;max-width:360px}.auth-brand .brand-stat{display:flex;gap:32px;margin-top:48px}.auth-brand .stat-item{color:#fff}.auth-brand .stat-num{font-size:28px;font-weight:600;color:var(--ti-teal)}.auth-brand .stat-lbl{font-size:12px;color:var(--ti-gray4);margin-top:2px}.auth-form-side{display:flex;align-items:center;justify-content:center;padding:48px 24px;background:#fff}.auth-card{width:100%;max-width:400px}.auth-card h2{font-size:22px;font-weight:600;color:var(--ti-dark);margin-bottom:6px}.auth-card .auth-sub{font-size:14px;color:var(--ti-gray5);margin-bottom:28px}.form-label{font-size:13px;font-weight:500;color:var(--ti-gray6);margin-bottom:5px}.form-control{border:1.5px solid var(--ti-gray3);border-radius:8px;padding:10px 14px;font-size:14px;font-family:inherit;transition:border-color .15s,box-shadow .15s}.form-control:focus{border-color:var(--ti-teal);box-shadow:0 0 0 3px rgba(13,148,136,.12);outline:0}.btn-tossit{background:var(--ti-teal);color:#fff;border:none;border-radius:8px;padding:11px 20px;font-size:14px;font-weight:500;font-family:inherit;cursor:pointer;width:100%;transition:background .15s,transform .1s}.btn-tossit:hover{background:var(--ti-teal-d)}.btn-tossit:active{transform:scale(.98)}.auth-divider{display:flex;align-items:center;gap:12px;margin:20px 0;font-size:12px;color:var(--ti-gray4)}.auth-divider::after,.auth-divider::before{content:'';flex:1;height:1px;background:var(--ti-gray3)}.auth-link{color:var(--ti-teal);text-decoration:none;font-weight:500}.auth-link:hover{text-decoration:underline}.alert-ti{background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:10px 14px;font-size:13px;color:#991b1b;margin-bottom:18px}.alert-ti-success{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534}@media (max-width:768px){.auth-shell{grid-template-columns:1fr}.auth-brand{display:none}.auth-form-side{background:var(--ti-gray1)}.auth-card{background:#fff;padding:28px;border-radius:16px;box-shadow:0 1px 4px rgba(0,0,0,.06)}}