body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #000000;
  color: #ffffff;
}

a {
  color: #00d5ff;
  text-decoration: none;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid #222;
}

.top-links a {
  margin-left: 16px;
}

.page {
  padding: 20px;
}

.center {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel {
  background: #050505;
  border: 1px solid #1c1c1c;
  padding: 16px;
  border-radius: 10px;
}

.login-panel {
  width: 420px;
}

.logo {
  max-width: 220px;
  display: block;
  margin: 0 auto 10px auto;
}

label {
  display: block;
  margin: 10px 0 6px;
}

input, select, button {
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 8px;
  border: 1px solid #333;
  background: #000;
  color: #fff;
}

button {
  background: #00d5ff;
  color: #000;
  font-weight: bold;
  border: none;
  cursor: pointer;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  border: 1px solid #1f1f1f;
  padding: 8px;
  text-align: left;
  font-size: 13px;
}

th {
  background: #0f0f0f;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.preview {
  max-width: 100%;
  border: 1px solid #333;
}

.muted {
  color: #aaa;
  margin-left: 10px;
  font-size: 13px;
}

.flash {
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 6px;
}

.flash.error {
  background: #431212;
}

.flash.ok {
  background: #0d3a13;
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
}