:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172033;
  background: #eef2f8;
  font-synthesis: none;
  --blue: #225ad6;
  --blue-dark: #173f9a;
  --border: #cfd7e5;
  --muted: #657085;
  --danger: #b42318;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
button, input { font: inherit; }
.login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 1.25rem;
  background:
    radial-gradient(circle at 10% 10%, rgba(59, 115, 240, .16), transparent 32rem),
    #eef2f8;
}
.login-card {
  width: min(27rem, 100%);
  padding: clamp(1.5rem, 5vw, 2.35rem);
  border: 1px solid rgba(207, 215, 229, .9);
  border-radius: 1.25rem;
  background: #fff;
  box-shadow: 0 24px 70px rgba(16, 24, 40, .13);
}
.login-brand {
  display: grid;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1.25rem;
  place-items: center;
  border-radius: .85rem;
  color: #fff;
  background: #3b73f0;
  font-size: 1.2rem;
  font-weight: 800;
}
.eyebrow {
  margin: 0 0 .45rem;
  color: var(--blue);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1 { margin: 0 0 .55rem; font-size: clamp(1.8rem, 7vw, 2.35rem); }
.intro { margin: 0 0 1.4rem; color: var(--muted); line-height: 1.55; }
.login-error {
  margin: 0 0 1rem;
  padding: .75rem .85rem;
  border: 1px solid #f0b4ae;
  border-radius: .7rem;
  color: var(--danger);
  background: #fff3f2;
  font-weight: 650;
}
.login-form { display: grid; gap: .55rem; }
label { margin-top: .35rem; font-size: .9rem; font-weight: 700; }
input {
  width: 100%;
  min-height: 2.85rem;
  border: 1px solid var(--border);
  border-radius: .7rem;
  padding: .65rem .75rem;
  color: #172033;
  background: #fff;
}
input:focus, button:focus-visible { outline: 3px solid rgba(34, 90, 214, .25); outline-offset: 2px; }
button {
  min-height: 2.85rem;
  margin-top: .8rem;
  border: 0;
  border-radius: .7rem;
  padding: .65rem 1rem;
  color: #fff;
  background: var(--blue);
  font-weight: 750;
  cursor: pointer;
}
button:hover { background: var(--blue-dark); }
.privacy-note { margin: 1.25rem 0 0; color: var(--muted); font-size: .78rem; line-height: 1.45; }

@media (max-width: 420px) {
  .login-shell { align-items: start; padding: .75rem; }
  .login-card { margin-top: 7vh; border-radius: 1rem; }
}