*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#0f172a;color:#0f172a}
.taxai-login{min-height:100vh;display:grid;grid-template-columns:1.08fr .92fr;background:radial-gradient(circle at 20% 20%,#2563eb55,transparent 34%),linear-gradient(135deg,#020617 0%,#0f172a 48%,#111827 100%)}
.taxai-login__left{position:relative;padding:56px;display:flex;flex-direction:column;justify-content:space-between;color:white;overflow:hidden}
.taxai-login__left:after{content:"";position:absolute;right:-160px;bottom:-160px;width:420px;height:420px;border-radius:999px;background:linear-gradient(135deg,#38bdf8aa,#6366f155);filter:blur(8px)}
.taxai-login__brand{position:relative;z-index:1;display:flex;gap:14px;align-items:center}
.taxai-login__logo{width:48px;height:48px;border-radius:15px;background:linear-gradient(135deg,#2563eb,#06b6d4);display:grid;place-items:center;font-size:24px;font-weight:900;box-shadow:0 18px 45px #2563eb55}
.taxai-login__name{font-size:22px;font-weight:900;letter-spacing:.03em}
.taxai-login__sub{font-size:12px;color:#cbd5e1;margin-top:2px}
.taxai-login__copy{position:relative;z-index:1;max-width:680px}
.taxai-login__eyebrow{display:inline-flex;margin:0 0 18px;padding:8px 12px;border:1px solid #60a5fa66;border-radius:999px;color:#bfdbfe;background:#ffffff12;font-weight:800;font-size:12px}
.taxai-login__copy h1{margin:0;font-size:54px;line-height:1.08;letter-spacing:-.04em}
.taxai-login__copy p:last-child{margin:24px 0 0;color:#cbd5e1;font-size:16px;line-height:1.9;max-width:560px}
.taxai-login__features{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.taxai-login__features div{padding:14px 12px;border:1px solid #ffffff1f;border-radius:16px;background:#ffffff10;backdrop-filter:blur(12px);font-size:13px;font-weight:800;color:#e5e7eb;text-align:center}
.taxai-login__right{display:grid;place-items:center;padding:40px;background:linear-gradient(180deg,#f8fafc,#eef2ff)}
.taxai-login__card{width:min(440px,100%);background:#fff;border:1px solid #e5e7eb;border-radius:28px;padding:34px;box-shadow:0 30px 90px #0f172a22}
.taxai-login__card-head p{margin:0 0 8px;color:#2563eb;font-weight:900;font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.taxai-login__card-head h2{margin:0;font-size:32px;letter-spacing:-.04em}
.taxai-login__card-head span{display:block;margin-top:10px;color:#64748b;font-size:14px;line-height:1.7}
.taxai-login__form{margin-top:28px;display:flex;flex-direction:column;gap:10px}
.taxai-login__form label{font-size:13px;font-weight:900;color:#334155}
.taxai-login__form input[type=email],.taxai-login__form input[type=password]{width:100%;height:48px;border:1px solid #cbd5e1;border-radius:14px;padding:0 14px;font-size:15px;background:#f8fafc;outline:none;transition:.16s}
.taxai-login__form input:focus{border-color:#2563eb;background:#fff;box-shadow:0 0 0 4px #2563eb18}
.taxai-login__options{display:flex;justify-content:space-between;align-items:center;margin:8px 0 10px;gap:12px;font-size:13px}
.taxai-login__remember{display:flex!important;align-items:center;gap:8px;font-weight:700!important;color:#64748b!important}
.taxai-login__remember input{width:16px;height:16px}
.taxai-login__options a{color:#2563eb;text-decoration:none;font-weight:800}
.taxai-login__form button{height:52px;border:0;border-radius:16px;background:linear-gradient(135deg,#2563eb,#0ea5e9);color:white;font-weight:900;font-size:15px;cursor:pointer;box-shadow:0 18px 35px #2563eb33}
.taxai-login__form button:hover{transform:translateY(-1px)}
.taxai-login__alert{margin-top:22px;padding:12px 14px;border-radius:14px;background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;font-size:13px;font-weight:700}
.taxai-login__success{margin-top:22px;padding:12px 14px;border-radius:14px;background:#ecfdf5;border:1px solid #bbf7d0;color:#047857;font-size:13px;font-weight:700}
.taxai-login__footer{margin-top:24px;padding-top:18px;border-top:1px solid #e5e7eb;color:#94a3b8;font-size:12px;text-align:center;font-weight:700}
@media(max-width:900px){
  .taxai-login{grid-template-columns:1fr}
  .taxai-login__left{padding:32px;gap:44px}
  .taxai-login__copy h1{font-size:38px}
  .taxai-login__features{grid-template-columns:repeat(2,1fr)}
  .taxai-login__right{padding:24px}
}