:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #edf3f7;
  color: #142033;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }

.login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(380px, .8fr);
}

.login-brand {
  background: #0d1725;
  color: #f5f8fb;
  padding: clamp(42px, 8vw, 112px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-name { font-size: 24px; font-weight: 800; letter-spacing: -.04em; }
.brand-name span { color: #59a6ff; }
.eyebrow { text-transform: uppercase; letter-spacing: .16em; font-size: 12px; font-weight: 800; color: #5aa7ff; }
.login-brand h1 { max-width: 720px; margin: 18px 0; font-size: clamp(40px, 5vw, 72px); line-height: .98; letter-spacing: -.055em; }
.login-brand > p:not(.eyebrow) { max-width: 620px; color: #aab8ca; font-size: 18px; line-height: 1.7; }
.login-brand ul { list-style: none; padding: 0; margin: 34px 0 0; display: grid; gap: 14px; color: #d8e0ea; }
.login-brand li::before { content: "✓"; color: #57d5a1; font-weight: 900; margin-right: 12px; }

.login-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 7vw, 96px);
  background: #fff;
}
.login-card h2 { font-size: 40px; letter-spacing: -.045em; margin: 8px 0; }
.login-card > div > p:last-child { color: #66758a; margin: 0 0 32px; }
form { display: grid; gap: 10px; }
label { font-size: 13px; font-weight: 800; margin-top: 8px; }
input {
  width: 100%;
  border: 1px solid #cbd6e2;
  border-radius: 10px;
  padding: 14px 15px;
  font: inherit;
  outline: none;
}
input:focus { border-color: #1478e8; box-shadow: 0 0 0 4px rgba(20,120,232,.12); }
button {
  border: 0;
  border-radius: 10px;
  background: #116fd5;
  color: #fff;
  padding: 15px 18px;
  margin-top: 14px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
button:disabled { opacity: .65; cursor: wait; }
.error { padding: 12px 14px; border-radius: 9px; background: #fff0ef; color: #a72824; margin: 8px 0 0; }
.security-note { color: #7b8899; font-size: 12px; line-height: 1.6; margin-top: 22px; }

@media (max-width: 800px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-brand { min-height: 38vh; padding: 36px 26px; }
  .login-brand h1 { font-size: 38px; }
  .login-brand ul, .login-brand > p:not(.eyebrow) { display: none; }
  .login-card { padding: 38px 26px 60px; }
}