:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07101f;
  color: #f5f7fb;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 20% 15%, rgba(77, 119, 203, .2), transparent 32%), #07101f; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(100%, 430px); padding: 38px; border: 1px solid rgba(255,255,255,.1); border-radius: 24px; background: rgba(11, 23, 41, .96); box-shadow: 0 30px 90px rgba(0,0,0,.4); }
.login-card > img { width: 64px; height: 64px; object-fit: contain; margin-bottom: 24px; }
.eyebrow { margin: 0 0 8px; color: #7fa8ff; font-size: 11px; font-weight: 800; letter-spacing: .15em; }
h1 { margin: 0; font-size: clamp(30px, 7vw, 42px); letter-spacing: -.045em; }
.intro { color: #a9b5c7; line-height: 1.6; margin: 12px 0 28px; }
form { display: grid; gap: 10px; }
label { margin-top: 7px; font-size: 12px; font-weight: 750; color: #c7d0df; }
input { width: 100%; min-height: 48px; border: 1px solid #2a3a52; border-radius: 12px; padding: 0 14px; background: #0a1424; color: #fff; font: inherit; }
input:focus { outline: 3px solid rgba(85, 137, 255, .22); border-color: #6d9cff; }
button { min-height: 50px; margin-top: 10px; border: 0; border-radius: 12px; background: #f0b94e; color: #111827; font: inherit; font-weight: 850; cursor: pointer; }
button:disabled { opacity: .65; cursor: wait; }
.error { min-height: 20px; margin: 4px 0 0; color: #ff9e9e; font-size: 13px; }
.login-card > small { display: block; margin-top: 22px; color: #758399; line-height: 1.45; }

@media (max-width: 520px) {
  .login-card { padding: 28px 22px; border-radius: 18px; }
}