:root {
  color-scheme: light;
  --paper: #f7eee9;
  --paper-deep: #f0d9d4;
  --rose: #d98c9a;
  --bordeaux: #8d1238;
  --bordeaux-dark: #650d2a;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { min-width: 0; min-height: 100%; }
body { margin: 0; color: var(--bordeaux-dark); background: var(--paper); }
.login-shell {
  min-height: 100svh;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  border: clamp(12px, 2.3vw, 28px) solid var(--bordeaux);
}
.login-card {
  width: 100%;
  max-width: 430px;
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding: clamp(20px, 4vw, 40px);
  border: 1px solid #8d123880;
  background: var(--paper-deep);
  box-shadow: 0 14px 30px #650d2a24;
}
.login-card > * { min-width: 0; max-width: 100%; }
.name-mark {
  width: 100%;
  margin: 0 0 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  column-gap: .16em;
  color: var(--bordeaux);
  font-family: "Segoe Script", "Brush Script MT", "Snell Roundhand", cursive;
  font-size: clamp(1.75rem, 5.5vw, 2.65rem);
  line-height: 1.1;
  letter-spacing: -.07em;
  text-align: center;
}
.name-mark .amp { color: var(--rose); }
label { font: 600 1rem/1.3 Arial, sans-serif; }
input, button {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: 50px;
  border-radius: 4px;
  font: 1rem Arial, sans-serif;
}
input {
  padding: 10px 14px;
  border: 1px solid var(--bordeaux);
  background: #fffaf7;
  color: var(--bordeaux-dark);
}
button {
  margin-top: 6px;
  padding: 10px 18px;
  border: 1px solid var(--bordeaux);
  background: var(--bordeaux);
  color: white;
  cursor: pointer;
}
button:hover { background: var(--bordeaux-dark); }
input:focus-visible, button:focus-visible { outline: 3px solid var(--bordeaux); outline-offset: 4px; }
.error { margin: 0; overflow-wrap: anywhere; color: var(--bordeaux-dark); font: 600 .92rem/1.4 Arial, sans-serif; }
@media (orientation: landscape) and (max-height: 500px) {
  .login-shell { padding: 12px max(16px, env(safe-area-inset-right)) 12px max(16px, env(safe-area-inset-left)); }
  .login-card { gap: 8px; padding: 16px 24px; }
  .name-mark { margin-bottom: 4px; font-size: clamp(1.75rem, 5vw, 2.3rem); }
  input, button { min-height: 44px; }
}