:root {
  --primary-color: #00FF00;
  --primary-dark: #008000;
  --bg-color: #000000;
  --card-bg: #111111;
  --text-color: #e0e0e0;
  --danger-color: #ff3d00;
  --success-color: #76ff03;
  --warning-color: #f39c12;
  --font-mono: 'Courier New', Courier, monospace;
}

body {
  font-family: var(--font-mono);
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/* Header & Navigation */
header {
  background-color: var(--bg-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  border-bottom: 1px solid var(--primary-dark);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.logo a {
  text-decoration: none;
}

.logo h2 {
  margin: 0;
  color: var(--primary-color);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

nav a {
  color: var(--primary-color);
  text-decoration: none;
  margin: 0 10px;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

nav a:hover {
  text-shadow: 0 0 10px var(--primary-color);
}

/* Main Content */
main {
  padding: 2.5rem 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
  min-height: calc(100vh - 200px);
}

.container {
  width: 100%;
}

h1, h2, h3 {
  color: var(--primary-color);
  text-align: center;
}

.intro {
  margin-bottom: 3rem;
  text-align: center;
}

.intro h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

/* Tool Cards Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.tool-card {
  background-color: var(--card-bg);
  border: 1px solid var(--primary-dark);
  border-radius: 4px;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.tool-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: 0 0 15px rgba(0, 255, 0, 0.15);
}

.tool-card .icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.tool-card h3 {
  margin-top: 0;
  font-size: 1.25rem;
}

.tool-card a {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.6rem 1.2rem;
  color: var(--bg-color);
  background-color: var(--primary-color);
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
  transition: background-color 0.3s;
}

.tool-card a:hover {
  background-color: var(--success-color);
}

/* Forms & Inputs */
form {
  max-width: 600px;
  margin: 0 auto 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

label {
  text-align: left;
  display: block;
}

input[type="text"], textarea {
  width: 100%;
  padding: 0.75rem;
  background-color: #111;
  color: var(--primary-color);
  border: 1px solid var(--primary-dark);
  border-radius: 4px;
  font-family: var(--font-mono);
}

input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 5px rgba(0, 255, 0, 0.3);
}

button {
  padding: 0.75rem 1.5rem;
  background-color: var(--primary-color);
  color: var(--bg-color);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-weight: bold;
  transition: all 0.3s ease;
}

button:hover {
  background-color: var(--success-color);
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.4);
}

/* Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
  margin-top: 2rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--primary-dark);
}

th, td {
  padding: 0.75rem;
  text-align: left;
  border: 1px solid var(--primary-dark);
}

th {
  background-color: #0a0a0a;
  color: var(--primary-color);
  font-weight: bold;
}

tr:nth-child(even) {
  background-color: #050505;
}

/* Status colors */
.secure { color: var(--success-color); }
.vulnerable { color: var(--danger-color); }
.warning { color: var(--warning-color); }

/* Footer */
footer {
  background-color: var(--bg-color);
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--primary-dark);
}

footer img {
  height: 40px;
  margin-bottom: 1rem;
  filter: brightness(0.8) grayscale(0.2);
  transition: filter 0.3s;
}

footer img:hover {
  filter: brightness(1) grayscale(0);
}

footer p {
  margin: 0;
  color: #666;
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: 1rem;
  }
  
  nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
  }
  
  nav a {
    margin: 0;
  }
}