:root {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172033;
  background: #f3f5f8;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: #f3f5f8; }
button, input { font: inherit; }
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  border-top: 8px solid #d3232a;
  background: linear-gradient(180deg, #111827 0 34%, #f3f5f8 34% 100%);
}
.login-card {
  width: min(460px, 100%);
  padding: 38px;
  background: white;
  border-radius: 18px;
  box-shadow: 0 22px 60px rgba(15, 23, 42, 0.2);
}
.shop-label { margin: 0 0 8px; color: #d3232a; font-size: 13px; font-weight: 900; letter-spacing: .14em; }
h1 { margin: 0 0 12px; font-size: 34px; }
.login-description { margin: 0 0 28px; color: #667085; line-height: 1.55; }
label { display: block; margin-bottom: 8px; font-weight: 800; }
input {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  outline: none;
}
input:focus { border-color: #d3232a; box-shadow: 0 0 0 3px rgba(211,35,42,.13); }
button {
  width: 100%;
  min-height: 50px;
  margin-top: 18px;
  border: 0;
  border-radius: 10px;
  background: #d3232a;
  color: white;
  font-weight: 900;
  cursor: pointer;
}
button:disabled { opacity: .65; cursor: wait; }
.login-message { min-height: 22px; margin: 14px 0 0; color: #b42318; font-weight: 700; }
@media (max-width: 520px) { .login-card { padding: 28px 22px; } }