:root { --navy: #13336f; --navy-d: #0f2a5c; --accent: #f5b301; --btn: #2c4a86; --text: #0b1220; --muted: #5b6678; --border: #cfd6e2; }
* { box-sizing: border-box; }
body.auth { margin: 0; font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; color: var(--text); background: #fff; }
.auth-split { display: grid; grid-template-columns: 1fr 1fr; min-height: 100vh; }

.auth-brand { position: relative; overflow: hidden; background: var(--navy); color: #fff; padding: 56px; display: flex; flex-direction: column; justify-content: space-between; gap: 32px; }
.logo { display: flex; align-items: center; gap: 12px; position: relative; z-index: 1; }
.logo span { display: flex; flex-direction: column; line-height: 1; }
.logo b { font-size: 34px; font-weight: 800; letter-spacing: -1px; }
.logo small { font-size: 11px; font-weight: 700; letter-spacing: .12em; margin-top: 3px; }
.brand-body { position: relative; z-index: 1; max-width: 520px; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .28em; margin: 0 0 18px; }
.auth-brand h1 { font-size: clamp(30px, 3.4vw, 46px); line-height: 1.12; font-weight: 800; letter-spacing: -1px; margin: 0 0 22px; }
.lead { color: #c3cde3; font-size: 16px; line-height: 1.7; margin: 0 0 26px; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 0; margin: 0; font-size: 13.5px; font-weight: 600; }
.chips li { display: flex; align-items: center; gap: 8px; }
.chips svg { color: var(--accent); }
.copy { color: #8e9cc0; font-size: 12.5px; margin: 0; position: relative; z-index: 1; }
.deco { position: absolute; right: -140px; bottom: -150px; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle at 40% 40%, #1c4690 0, #163a7c 55%, #143574 100%); opacity: .75; }
.deco::after { content: ''; position: absolute; inset: 110px; border-radius: 50%; background: #1a4286; }

.auth-form { display: flex; align-items: center; justify-content: center; padding: 40px 24px; }
.form-box { width: 100%; max-width: 448px; }
.form-box h2 { font-size: 30px; font-weight: 800; letter-spacing: -.8px; margin: 0 0 10px; }
.sub { color: var(--muted); font-size: 14.5px; line-height: 1.7; margin: 0 0 30px; }
.form-box label { display: block; font-size: 14.5px; font-weight: 500; margin: 0 0 8px; }
.pw { position: relative; margin-bottom: 20px; }
.pw input { width: 100%; height: 46px; padding: 0 46px 0 14px; border: 1px solid var(--border); border-radius: 12px; font: inherit; font-size: 15px; background: #fff; color: var(--text); }
.pw input:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 2px var(--navy); }
.eye { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); width: 36px; height: 36px; border: 0; background: transparent; color: #7a8699; cursor: pointer; border-radius: 8px; display: grid; place-items: center; }
.eye:hover, .eye.on { color: var(--navy); }
.hint { margin: -12px 0 18px; font-size: 12.5px; color: var(--muted); }
.submit { width: 100%; height: 46px; margin-top: 6px; border: 0; border-radius: 999px; background: var(--btn); color: #fff; font: inherit; font-size: 15px; font-weight: 600; cursor: pointer; box-shadow: 0 6px 14px rgba(19, 51, 111, .25); }
.submit:hover { background: var(--navy); }
.alert { background: #fde8e8; color: #b42318; border-radius: 10px; padding: 10px 14px; font-size: 14px; margin: 0 0 20px; }

@media (max-width: 860px) {
  .auth-split { grid-template-columns: 1fr; }
  .auth-brand { padding: 28px 24px; min-height: 0; gap: 20px; }
  .brand-body .lead, .chips, .copy, .deco { display: none; }
  .auth-brand h1 { font-size: 24px; margin-bottom: 0; }
  .eyebrow { margin-bottom: 10px; }
  .auth-form { align-items: flex-start; padding-top: 32px; }
}