* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #0a0a0a;
  color: #d8d8d8;
  font-family: 'Courier New', monospace;
  line-height: 1.5;
}

/* Top Security Bar */
.security-bar {
  position: fixed;
  top: 0;
  width: 100%;
  background: #8b0000;
  color: white;
  padding: 8px 10px;
  font-size: 0.8rem;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 5px;
}

/* Main Container */
.container {
  display: flex;
  min-height: 100vh;
  padding-top: 55px;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: #121212;
  padding: 20px;
  border-right: 1px solid #1f4f7a;
  flex-shrink: 0;
}

.logo h1 {
  color: #4cff7a;
  font-size: 1.9rem;
}

.sidebar ul {
  list-style: none;
  margin-top: 25px;
}

.sidebar li {
  padding: 12px 15px;
  cursor: pointer;
  transition: 0.2s;
}

.sidebar li:hover {
  background: #1f4f7a;
  color: #4cff7a;
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 15px;
  overflow-y: auto;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.card {
  background: #1a1a1a;
  padding: 16px;
  border-left: 5px solid #4cff7a;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-3px);
}

/* Modals */
.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 15px;
}

.modal.hidden {
  display: none !important;
}

.modal-content {
  background: #121212;
  padding: 25px;
  border: 2px solid #1f4f7a;
  width: 100%;
  max-width: 420px;
  text-align: center;
}

/* Responsive - Mobile First */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #1f4f7a;
    padding: 15px;
  }
  
  .main-content {
    padding: 15px;
  }
  
  .hero h1 {
    font-size: 1.7rem;
  }
  
  .cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .security-bar {
    font-size: 0.75rem;
    padding: 6px 8px;
  }
  
  .sidebar li {
    padding: 10px;
  }
}

/* Colors */
.green { color: #4cff7a; }
.red { color: #ff4444; }
.orange { color: #ff8800; }