:root{--navy:#123d51;--navy-dark:#0b2b3b;--gold:#c99a3f;--gold-light:#e5b132}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Arial,sans-serif;background:#eef2f4;min-height:100vh}
.wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.card{width:min(440px,100%);background:#fff;border-radius:20px;padding:32px 28px;box-shadow:0 24px 60px #0b2b3b33}
.auth-card{width:min(920px,100%);background:#fff;border-radius:20px;box-shadow:0 30px 70px #0b2b3b2e;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr);padding:0}
@media(min-width:760px){.auth-card{grid-template-columns:0.85fr minmax(0,1fr)}}
.auth-form{padding:38px 34px}
.brand{display:flex;align-items:center;gap:14px;font-weight:800;letter-spacing:.06em;margin-bottom:24px;color:var(--navy-dark);font-size:20px}
.brand img{width:56px;height:56px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 2px var(--gold-light)}
h1{font-size:27px;margin:0 0 6px;color:var(--navy-dark)}
p{color:#66757c}
label{display:block;margin:14px 0 6px;font-size:13px;font-weight:700;color:var(--navy-dark)}
input{width:100%;padding:12px 14px;border:1px solid #d5dde0;border-radius:10px;font:inherit;transition:border-color .15s}
input:focus{outline:0;border-color:var(--gold);box-shadow:0 0 0 3px #c99a3f26}
button,.btn{display:inline-block;border:0;border-radius:10px;padding:13px 16px;background:var(--navy-dark);color:#fff;font-weight:700;text-decoration:none;cursor:pointer;text-align:center;transition:background .15s,transform .1s}
button:hover,.btn:hover{background:var(--navy)}
button:active,.btn:active{transform:scale(.99)}
button.gold,.btn.gold{background:linear-gradient(135deg,var(--gold),var(--gold-light));color:#2a1f04}
button.gold:hover,.btn.gold:hover{filter:brightness(1.05)}
.google{background:#fff;color:#3c4043;border:1px solid #dadce0;display:flex;align-items:center;justify-content:center;gap:10px}
.google:hover{background:#f7f8f8}
.google svg{flex-shrink:0}
.row{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.row button,.row .btn{width:100%}
.divider{display:flex;align-items:center;gap:12px;color:#9aa7ac;font-size:12px;margin:16px 0}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:#e3e9eb}
.err{color:#a61b1b;min-height:20px}
.small{font-size:12px}
.back{color:var(--navy-dark)}
.tabs{display:flex;gap:8px;margin:12px 0;background:#eef2f4;padding:4px;border-radius:10px}
.tabs button{background:transparent;color:var(--navy-dark);flex:1;padding:9px}
.tabs button.active{background:#fff;color:var(--navy-dark);box-shadow:0 2px 8px #0b2b3b1f}
.hidden{display:none}
.auth-side{display:none}
@media(min-width:760px){
  .auth-side{display:flex;flex-direction:column;justify-content:center;gap:14px;padding:44px 36px;color:#fff;background:linear-gradient(160deg,var(--navy-dark),var(--navy) 55%,var(--gold) 165%)}
  .auth-side img{width:72px;height:72px;border-radius:50%;box-shadow:0 0 0 3px rgba(255,255,255,.5)}
  .auth-side h2{font-size:24px;margin:8px 0 0;line-height:1.35}
  .auth-side p{color:#dbe7ec;font-size:14px;line-height:1.6}
}