* { box-sizing: border-box; }
html, body {
  height: 100%;
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #1a2327;
  color: #222;
}
body {
  display: flex;
  align-items: center;
  justify-content: center;
}
.login {
  width: 320px;
  text-align: center;
}
.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
}
.logo svg { width: 42px; height: 42px; }
.logo span {
  color: #fff;
  font-size: 26px;
  font-weight: 300;
  letter-spacing: 0.5px;
}
.login-box {
  background: #fff;
  border-radius: 3px;
  padding: 28px 24px 20px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.login-box input[type="text"],
.login-box input[type="password"] {
  width: 100%;
  padding: 11px 12px;
  margin-bottom: 12px;
  border: 1px solid #dbdbdb;
  border-radius: 3px;
  font-size: 14px;
  background: #fafafa;
}
.login-box input:focus {
  outline: none;
  border-color: #0082c9;
  background: #fff;
}
.login-box button {
  width: 100%;
  padding: 11px;
  background: #0082c9;
  color: #fff;
  border: none;
  border-radius: 3px;
  font-size: 14px;
  cursor: pointer;
}
.login-box button:hover { background: #006ba7; }
.remember {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  margin: 4px 0 16px;
  font-size: 13px;
  color: #666;
}
.remember input[type="checkbox"] {
  width: auto;
  margin: 0;
}
.error {
  display: none;
  text-align: left;
  background: #fdd;
  border: 1px solid #d9534f;
  color: #a12622;
  border-radius: 3px;
  padding: 8px 10px;
  margin-bottom: 12px;
  font-size: 13px;
}
.error.visible { display: block; }