html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
  background:
    radial-gradient(circle at top left, rgba(56,189,248,.10), transparent 28%),
    linear-gradient(180deg, #020617 0%, #050b16 100%);
  color: #f8fafc;
}

* {
  box-sizing: border-box;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 450px;
  padding: 30px;
  border-radius: 30px;
  border: 1px solid rgba(148,163,184,.18);
  background:
    radial-gradient(circle at 0% 0%, rgba(56,189,248,.12), transparent 32%),
    linear-gradient(180deg, #111827, #0f172a);
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.brand img {
  width: 76px;
  height: 76px;
  object-fit: contain;
}

.brand strong {
  display: block;
  font-size: 23px;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.brand span {
  display: block;
  margin-top: 5px;
  color: #94a3b8;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 700;
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 32px;
  letter-spacing: -0.05em;
  font-weight: 900;
}

.login-card p {
  margin: 0 0 22px;
  color: #cbd5e1;
  line-height: 1.5;
}

form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  color: #cbd5e1;
  font-size: 13px;
  font-weight: 800;
}

input {
  width: 100%;
  min-height: 48px;
  border: 1px solid #334155;
  border-radius: 14px;
  background: #0f172a;
  color: #f8fafc;
  padding: 12px 14px;
  outline: none;
  font-size: 16px;
}

input:focus {
  border-color: #38bdf8;
  box-shadow: 0 0 0 4px rgba(56,189,248,.12);
}

button {
  appearance: none;
  min-height: 48px;
  border: 0;
  border-radius: 14px;
  padding: 13px 16px;
  background: #f8fafc;
  color: #0f172a;
  font-weight: 900;
  cursor: pointer;
}

button:hover {
  background: #cbd5e1;
}

.error {
  min-height: 20px;
  color: #fca5a5;
  font-size: 13px;
}