body {
  margin: 0;
  padding: 0;
  background: #1a1a1a;
  font-family: Verdana, Geneva, Arial, sans-serif;
  font-size: 12px;
  color: #e8e8e8;
}

.shell {
  width: 100%;
  min-height: 100vh;
  border-collapse: collapse;
}

.mast {
  background: #0a0a0a;
  padding: 16px 0 14px;
  border-bottom: 3px solid #ff7900;
}

.logo {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 0.04em;
  color: #ffffff;
}

.logo span {
  color: #ff7900;
}

.tag {
  margin-top: 3px;
  font-size: 11px;
  color: #888;
}

.mast-right {
  color: #999;
  font-size: 11px;
  line-height: 1.5;
  vertical-align: middle;
}

.ver {
  color: #ff7900;
  font-size: 10px;
}

.nav {
  background: #111;
  border-bottom: 1px solid #333;
  padding: 7px 0;
  font-size: 11px;
}

.nav a {
  color: #ccc;
  text-decoration: none;
}

.nav a:hover {
  color: #ff7900;
  text-decoration: underline;
}

.main {
  padding: 28px 0 40px;
  background: #222;
}

.col-left h2 {
  margin: 0 0 10px;
  font-size: 15px;
  color: #ff7900;
  font-weight: bold;
}

.col-left p {
  margin: 0 0 12px;
  line-height: 1.55;
  color: #ccc;
}

.col-left .note {
  font-size: 11px;
  color: #888;
  border-top: 1px dotted #444;
  padding-top: 10px;
}

.login-card {
  background: #2a2a2a;
  border: 1px solid #444;
  border-top: 2px solid #ff7900;
}

.login-title {
  background: #111;
  color: #ff7900;
  padding: 8px 14px;
  font-weight: bold;
  font-size: 12px;
  border-bottom: 1px solid #333;
}

.login-body {
  padding: 16px 18px 18px;
}

.field-label {
  padding: 8px 0 3px;
  font-size: 11px;
  color: #aaa;
}

.field {
  width: 96%;
  max-width: 280px;
  padding: 5px 6px;
  border: 1px solid #555;
  background: #1a1a1a;
  color: #eee;
  font-family: Verdana, Geneva, Arial, sans-serif;
  font-size: 12px;
}

.field:focus {
  border-color: #ff7900;
  outline: none;
  background: #111;
}

.btn-row {
  padding-top: 14px;
}

.btn {
  padding: 5px 20px;
  font-family: Verdana, Geneva, Arial, sans-serif;
  font-size: 12px;
  font-weight: bold;
  color: #111;
  background: #ff7900;
  border: 1px solid #cc6000;
  cursor: pointer;
}

.btn:hover {
  background: #ff8f2a;
}

.btn:active {
  background: #e56a00;
}

.err {
  margin: 14px 0 0;
  padding: 8px 10px;
  background: #3a1515;
  border: 1px solid #a33;
  color: #f88;
  font-size: 11px;
}

.foot {
  background: #0a0a0a;
  color: #666;
  font-size: 10px;
  padding: 12px 0;
  border-top: 1px solid #333;
}