@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap&subset=cyrillic');
:root{--navy:#020F2E;--blue:#0A5CDB;--blue2:#3F82EE;--cyan:#0AC0E8;--bg:#F4F8FF;--line:#E6ECF6;--tx:#4B5563;--tx2:#6B7280}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--tx);background:var(--bg);-webkit-font-smoothing:antialiased}
.login{min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr}
.hero{position:relative;overflow:hidden;background:linear-gradient(145deg,#020F2E 0%,#06307a 55%,#0A5CDB 100%);color:#fff;padding:64px;display:flex;flex-direction:column;justify-content:space-between}
.hero:before{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-140px;border-radius:50%;background:radial-gradient(circle,rgba(10,192,232,.45),transparent 65%)}
.hero:after{content:"";position:absolute;width:480px;height:480px;left:-180px;bottom:-200px;border-radius:50%;background:radial-gradient(circle,rgba(63,130,238,.5),transparent 65%)}
.hero>*{position:relative;z-index:1}
.hero img{width:56px;height:56px;border-radius:14px}
.hero h2{font-size:44px;line-height:1.1;font-weight:600;margin:0 0 20px;letter-spacing:-.02em;max-width:460px}
.hero p{font-size:17px;line-height:1.6;color:#c9d8f5;margin:0;max-width:420px}
.hero small{color:#8fa8d8;font-size:13px}
.pane{display:flex;align-items:center;justify-content:center;padding:32px}
.card{width:100%;max-width:440px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:48px 40px;box-shadow:0 24px 60px -30px rgba(2,15,46,.25);text-align:left}
.logo{height:34px;display:block;margin:0 0 32px}
h1{color:var(--navy);font-size:28px;line-height:1.2;font-weight:600;margin:0 0 12px;letter-spacing:-.01em}
.lead{font-size:15px;line-height:1.6;margin:0 0 32px}
.btn{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;height:52px;border-radius:12px;background:var(--blue);color:#fff;font:600 15px Inter,Arial,sans-serif;text-decoration:none;border:0;cursor:pointer;transition:background .2s,transform .2s}
.btn:hover{background:#0848b0;transform:translateY(-1px)}
.btn svg{background:#fff;border-radius:6px;padding:3px;width:24px;height:24px}
.err{background:#FEF2F2;border:1px solid #FECACA;color:#991B1B;border-radius:12px;padding:12px 16px;font-size:14px;margin:0 0 20px}
.note{margin:24px 0 0;font-size:13px;color:var(--tx2);line-height:1.5}
@media(max-width:860px){.login{grid-template-columns:1fr}.hero{padding:32px 24px;min-height:0;gap:40px}.hero h2{font-size:30px}.card{padding:32px 24px}.pane{padding:20px}}