* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #f4f5f7;
  color: #1f2329;
  margin: 0;
  padding: 2rem 1rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card {
  width: 100%;
  max-width: 26rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  padding: 2rem 1.75rem;
  text-align: center;
}
.logo { display: block; margin: 0 auto 0.75rem; }
h1 { margin: 0 0 0.25rem; font-size: 1.5rem; color: #fe5400; }
.lead { color: #4a5160; margin: 0 0 1.5rem; font-size: 0.95rem; }
form { display: flex; flex-direction: column; gap: 1rem; text-align: left; }
label {
  display: flex;
  flex-direction: column;
  font-size: 0.875rem;
  color: #4a5160;
  gap: 0.35rem;
}
input[type="text"], input[type="password"], input:not([type]) {
  padding: 0.6rem 0.7rem;
  border: 1px solid #d0d5dd;
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
}
input:focus { outline: 2px solid #fe5400; outline-offset: -1px; border-color: #fe5400; }
button {
  margin-top: 0.5rem;
  padding: 0.7rem 1rem;
  background: #fe5400;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
}
button:hover { background: #e64a00; }
.error {
  padding: 0.6rem 0.8rem;
  background: #ffe5e5;
  color: #7a1818;
  border-radius: 6px;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}
.muted {
  margin: 1.25rem 0 0;
  font-size: 0.75rem;
  color: #7a8090;
  word-break: break-all;
}
code { background: #f0f1f4; padding: 0.05rem 0.3rem; border-radius: 3px; font-size: 0.85em; }