:root {
  --navy: #10233f;
  --blue: #2f6fae;
  --ink: #162033;
  --muted: #66758a;
  --line: #d8e3ee;
  --ice: #f5f9fd;
  --white: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 10%, rgba(47,111,174,.12), transparent 30%),
    linear-gradient(135deg, #ffffff 0%, var(--ice) 100%);
}

.login-shell {
  width: min(100%, 560px);
}

.login-card {
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
  box-shadow: 0 24px 60px rgba(16,35,63,.12);
}

.logo-link {
  display: inline-block;
  margin-bottom: 30px;
}

.logo-link img {
  display: block;
  width: 250px;
  height: 92px;
  object-fit: cover;
  object-position: center 82%;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .14em;
}

h1 {
  margin: 0;
  color: var(--navy);
  font-size: 42px;
  letter-spacing: -.04em;
}

.lead,
.dev-note {
  color: var(--muted);
  line-height: 1.65;
}

.login-form {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

label {
  display: grid;
  gap: 8px;
}

label span {
  color: var(--navy);
  font-size: 13px;
  font-weight: 800;
}

input {
  min-height: 48px;
  padding: 0 13px;
  border: 1px solid #c6d5e3;
  border-radius: 12px;
  font: inherit;
}

select {
  min-height: 48px;
  padding: 0 13px;
  border: 1px solid #c6d5e3;
  border-radius: 12px;
  background: #fff;
  font: inherit;
}

button {
  min-height: 50px;
  border: 0;
  border-radius: 12px;
  background: var(--navy);
  color: white;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

button:disabled {
  opacity: .55;
  cursor: not-allowed;
}

.dev-note {
  margin: 22px 0 0;
  padding: 14px;
  border-radius: 12px;
  background: #eef5fb;
  font-size: 12px;
}

.dev-note strong { color: var(--navy); }

.back-link {
  display: inline-block;
  margin-top: 20px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 640px) {
  body { padding: 14px; }
  .login-card { padding: 28px 22px; }
  .logo-link img { width: 220px; height: 80px; }
}