:root {
  --bg: #f0f4f8;
  --text: #1f2937;
  --primary: #0ea5e9;
  --secondary: #e2e8f0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', Tahoma, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: var(--secondary);
  border-bottom: 3px solid var(--primary);
  color: var(--text);
}

header img {
  height: 50px;
  margin-right: 15px;
}

header .brand {
  display: flex;
  align-items: center;
}

header h1 {
  font-size: 1.5rem;
  margin: 0;
}

nav {
  display: flex;
  gap: 20px;
}

nav a {
  color: var(--text);
  text-decoration: none;
}

nav a.active {
  color: var(--primary);
}

.container {
  max-width: 960px;
  margin: 40px auto;
  background: var(--secondary);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

textarea,
input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--primary);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
}

.form .field {
  margin-bottom: 15px;
}

.form .field label {
  display: block;
  margin-bottom: 5px;
}

button.submit {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 10px;
}

button.submit:hover {
  opacity: 0.9;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

table th {
  background: var(--primary);
  color: #fff;
  padding: 8px;
  text-align: left;
}

table td {
  border: 1px solid var(--primary);
  padding: 8px;
  background: var(--bg);
  text-align: left;
}

pre.ssl-output {
  max-height: 200px;
  overflow: auto;
  white-space: pre-wrap;
}

pre.whois-output {
  max-height: 200px;
  overflow: auto;
  white-space: pre-wrap;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 10px;
  z-index: 1000;
}

.cookie-banner button {
  background: #fff;
  color: var(--primary);
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
}

.cookie-banner button:hover {
  opacity: 0.9;
}