body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: #111;
  color: #f5f1e8;
}

.shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px;
}

.login-shell {
  max-width: 420px;
  margin: 90px auto;
}

header {
  margin-bottom: 24px;
}

h1 {
  margin: 0 0 8px 0;
  font-size: 34px;
}

h2 {
  margin-top: 0;
}

.subtitle {
  color: #d8c9b5;
  font-size: 17px;
}

.meta {
  color: #bda98f;
}

.card {
  background: #1d1a17;
  border: 1px solid #3a3128;
  border-radius: 16px;
  padding: 22px;
  margin: 18px 0;
  box-shadow: 0 8px 28px rgba(0,0,0,.25);
}

.small {
  color: #dfd5c7;
}

label {
  display: block;
  margin: 14px 0 6px;
  font-weight: 600;
}

input, select, textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #5c4a3d;
  border-radius: 10px;
  padding: 12px;
  background: #0f0e0d;
  color: #f7f1e6;
  font-size: 15px;
}

textarea {
  font-family: Consolas, "Courier New", monospace;
}

button {
  margin-top: 16px;
  background: #c58b4a;
  border: none;
  color: #111;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: #e0a35d;
}

.notice {
  background: #253522;
  border: 1px solid #5f915c;
  padding: 12px;
  border-radius: 10px;
}

.error {
  background: #3a1f1f;
  border: 1px solid #9b5555;
  padding: 12px;
  border-radius: 10px;
  margin: 12px 0;
}

.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #d8c9b5;
}