:root{--primary:#0f766e;--secondary:#0f172a;--bg:#f4f7fb;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;--danger:#b91c1c}
*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 10% 10%,#dff7f1 0,transparent 30%),linear-gradient(145deg,#f8fafc,#eef4f8);color:var(--text)}
a{color:inherit}.auth-shell{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(390px,.92fr)}.auth-brand{position:relative;overflow:hidden;padding:64px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,var(--primary),var(--secondary));color:#fff}.auth-brand:before,.auth-brand:after{content:"";position:absolute;border-radius:999px;background:rgba(255,255,255,.07)}.auth-brand:before{width:420px;height:420px;right:-160px;top:-120px}.auth-brand:after{width:300px;height:300px;left:-120px;bottom:-90px}.brand-top,.brand-copy,.brand-foot{position:relative;z-index:1}.brand-mark{display:flex;align-items:center;gap:14px;font-weight:800;font-size:20px}.brand-logo{width:48px;height:48px;border-radius:15px;background:rgba(255,255,255,.14);display:grid;place-items:center;font-weight:900;font-size:22px;border:1px solid rgba(255,255,255,.16)}.brand-copy{max-width:700px}.brand-copy .eyebrow{display:inline-flex;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.12);font-size:13px;margin-bottom:20px}.brand-copy h1{font-size:clamp(42px,6vw,76px);line-height:.98;letter-spacing:-.04em;margin:0 0 22px}.brand-copy p{font-size:18px;line-height:1.7;color:rgba(255,255,255,.8);max-width:620px}.brand-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:30px}.brand-point{padding:14px 16px;border:1px solid rgba(255,255,255,.12);border-radius:16px;background:rgba(255,255,255,.06);font-size:14px}.brand-foot{font-size:13px;color:rgba(255,255,255,.65)}.auth-panel{display:flex;align-items:center;justify-content:center;padding:42px}.login-card{width:min(100%,480px);background:rgba(255,255,255,.84);border:1px solid rgba(255,255,255,.75);box-shadow:0 30px 70px rgba(15,23,42,.12);border-radius:28px;padding:34px;backdrop-filter:blur(14px)}.login-card h2{font-size:30px;margin:0 0 8px;letter-spacing:-.025em}.login-card .sub{margin:0 0 26px;color:var(--muted);line-height:1.6}.field{margin-bottom:17px}.field label{display:block;font-size:14px;font-weight:700;margin:0 0 8px}.input-wrap{position:relative}.field input{width:100%;height:52px;border:1px solid var(--line);border-radius:14px;padding:0 15px;background:#fff;font-size:16px;outline:none;transition:.2s}.field input:focus{border-color:var(--primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 14%,transparent)}.password-toggle{position:absolute;right:8px;top:8px;height:36px;border:0;border-radius:10px;padding:0 11px;background:#f1f5f9;color:#334155;cursor:pointer}.btn{width:100%;min-height:52px;border:0;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;font-size:15px;font-weight:800;cursor:pointer;padding:12px 16px;box-shadow:0 12px 26px color-mix(in srgb,var(--primary) 24%,transparent)}.alert{padding:13px 14px;border-radius:13px;font-size:14px;line-height:1.5;margin-bottom:18px}.alert-danger{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.alert-ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}.tenant-info{margin-top:24px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:12px;color:var(--muted)}.tenant-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f1f5f9;padding:5px 8px;border-radius:8px}.security-note{display:flex;gap:10px;margin-top:18px;color:var(--muted);font-size:12px;line-height:1.5}.security-dot{width:9px;height:9px;border-radius:50%;background:#16a34a;margin-top:4px;flex:0 0 auto}
@media(max-width:900px){.auth-shell{grid-template-columns:1fr}.auth-brand{padding:30px;min-height:330px}.brand-copy h1{font-size:48px}.brand-points{display:none}.auth-panel{padding:24px;margin-top:-20px;position:relative;z-index:2}.login-card{padding:28px}.brand-foot{margin-top:26px}}
@media(max-width:520px){.auth-brand{padding:24px;min-height:270px}.brand-copy h1{font-size:39px}.brand-copy p{font-size:15px}.auth-panel{padding:14px}.login-card{padding:22px;border-radius:22px}.tenant-info{align-items:flex-start;flex-direction:column}}