:root { --ink:#0a1020; --blue:#1c4ed8; --line:#dce3ef; --muted:#69758a; }
* { box-sizing:border-box; }
body { margin:0; min-height:100vh; color:var(--ink); background:#f5f7fb; font-family:"DM Sans",sans-serif; }
.login-shell { min-height:100vh; display:grid; grid-template-columns:minmax(0,1.15fr) minmax(430px,.85fr); }
.brand-panel { position:relative; overflow:hidden; display:flex; min-height:100vh; flex-direction:column; justify-content:space-between; padding:54px 64px 46px; color:#fff; background:radial-gradient(circle at 80% 12%,rgba(84,137,255,.36),transparent 28%),linear-gradient(145deg,#071126 0%,#0b1e49 52%,#123d94 100%); }
.brand-panel::before { content:""; position:absolute; inset:-20%; opacity:.14; background:repeating-linear-gradient(112deg,transparent 0 42px,#77a2ff 43px 44px); transform:rotate(-8deg); }
.brand-lockup,.brand-copy,.trust-line,.signal { position:relative; z-index:1; }
.brand-lockup img,.mobile-logo img { display:block; width:176px; filter:brightness(0) invert(1); }
.brand-copy { max-width:720px; margin:auto 0; padding:70px 0; }
.eyebrow { display:block; margin-bottom:18px; color:#7aa5ff; font-size:12px; font-weight:700; letter-spacing:.18em; text-transform:uppercase; }
.brand-copy h1 { margin:0; max-width:680px; font-family:Manrope,sans-serif; font-size:clamp(38px,5vw,68px); line-height:1.04; letter-spacing:-.045em; }
.brand-copy p { max-width:610px; margin:28px 0 0; color:#c7d4ec; font-size:18px; line-height:1.7; }
.signal { display:flex; align-items:end; gap:8px; height:54px; margin-bottom:36px; }
.signal i { width:7px; border-radius:8px; background:#3f78f7; box-shadow:0 0 28px rgba(78,132,255,.7); }
.signal i:nth-child(1){height:16px}.signal i:nth-child(2){height:29px}.signal i:nth-child(3){height:48px}.signal i:nth-child(4){height:35px}.signal i:nth-child(5){height:22px}
.trust-line { display:flex; gap:28px; color:#9fb3d7; font-size:12px; letter-spacing:.08em; text-transform:uppercase; }
.trust-line span::before { content:""; display:inline-block; width:6px; height:6px; margin:0 9px 1px 0; border-radius:50%; background:#55d7a2; }
.access-panel { display:grid; place-items:center; padding:40px; background:linear-gradient(135deg,#fff,#f1f5fb); }
.login-form { width:min(100%,430px); padding:18px; }
.mobile-logo { display:none; }
.login-form h2 { margin:0; font-family:Manrope,sans-serif; font-size:40px; letter-spacing:-.04em; }
.intro { margin:12px 0 38px; color:var(--muted); }
label { display:grid; gap:9px; margin:0 0 21px; font-size:13px; font-weight:700; }
input { width:100%; height:54px; border:1px solid var(--line); border-radius:12px; padding:0 16px; color:var(--ink); background:#fff; font:inherit; outline:none; transition:.2s; }
input:focus { border-color:#3e6fea; box-shadow:0 0 0 4px rgba(62,111,234,.12); }
button { width:100%; height:56px; display:flex; align-items:center; justify-content:center; gap:18px; margin-top:8px; border:0; border-radius:12px; color:#fff; background:linear-gradient(110deg,#1747bc,#2868f0); font:700 15px inherit; cursor:pointer; box-shadow:0 16px 34px rgba(35,93,222,.24); }
button:disabled { opacity:.65; cursor:wait; }
.error { margin:-5px 0 16px; padding:11px 13px; border-left:3px solid #d73349; color:#a82035; background:#fff0f2; font-size:13px; }
small { display:block; margin-top:22px; text-align:center; color:#8792a5; }
@media (max-width:850px) { .login-shell{grid-template-columns:1fr}.brand-panel{display:none}.access-panel{min-height:100vh;padding:28px}.mobile-logo{display:block;margin-bottom:64px}.mobile-logo img{width:150px;filter:none}.login-form{padding:0}.login-form h2{font-size:34px} }
