:root {
  --crt-blue: #00ddff;
  --crt-dark: #0a0a0a;
  --crt-beige: #d4c9b0;
}

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

body {
  background: #050505;
  font-family: 'VT323', monospace;
  height: 100vh;
  overflow: hidden;
  line-height: 1.4;
}

/* Full-screen background with scanlines */
.crt-fullscreen {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--crt-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Moving scanlines */
.crt-fullscreen::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    transparent 0px,
    transparent 3px,
    rgba(0, 221, 255, 0.13) 3px,
    rgba(0, 221, 255, 0.13) 6px
  );
  pointer-events: none;
  animation: scan-move 12s linear infinite;
}

@keyframes scan-move {
  0% { background-position: 0 0; }
  100% { background-position: 0 360px; }
}

/* Monitor box */
.crt-monitor {
  width: 92%;
  max-width: 860px;
  background: rgba(26, 26, 26, 0.78);
  border: 4px solid var(--crt-blue);
  box-shadow: 0 0 90px rgba(0, 221, 255, 0.9);
  padding: 12px;
  position: relative;
  z-index: 2;

  transform: perspective(1400px) rotateX(5deg) rotateY(3deg);
  border-radius: 12px;
}

.monitor-bezel {
  background: rgba(10, 10, 10, 0.82);
  padding: 25px 30px;
  height: 100%;
  display: flex;
  flex-direction: column;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  filter: blur(0.6px);
}

/* Stronger centered fisheye */
.monitor-bezel::after {
  content: '';
  position: absolute;
  inset: -25%;
  background: radial-gradient(
    circle at 50% 42%,
    transparent 44%,
    rgba(0, 0, 0, 0.48) 70%,
    rgba(0, 0, 0, 0.78) 96%
  );
  pointer-events: none;
  z-index: 3;
  border-radius: 12px;
}

/* Scrollable content area */
.right-area {
  flex: 1;
  padding-left: 30px;
  overflow-y: auto;
  max-height: calc(100vh - 200px);
  scrollbar-width: thin;
  scrollbar-color: var(--crt-blue) transparent;
}

.right-area::-webkit-scrollbar {
  width: 6px;
}

.right-area::-webkit-scrollbar-thumb {
  background: var(--crt-blue);
  border-radius: 10px;
}

/* Header */
.monitor-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--crt-blue);
}

.file-name {
  color: var(--crt-beige);
  font-size: 1.25rem;
  letter-spacing: 2px;
}

.signal {
  color: #666;
  font-size: 1rem;
}

/* Main layout */
.main-content {
  display: flex;
  flex: 1;
  min-height: 0;
}

.sidebar {
  width: 240px;
  border-right: 3px solid var(--crt-blue);
  padding-right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-item {
  color: var(--crt-blue);
  text-decoration: none;
  padding: 14px 18px;
  border: 1px solid #444;
  transition: all 0.3s;
  font-size: 1.2rem;
}

.sidebar-item:hover,
.sidebar-item.active {
  background: rgba(0, 221, 255, 0.18);
  border-color: var(--crt-blue);
}

/* Content pages - only one visible at a time */
.content-page {
  display: none;
}

.content-page.active {
  display: block;
}

/* Text styles */
.prescript-text {
  color: var(--crt-blue);
  font-size: 1.45rem;
  line-height: 1.75;
  text-shadow: 0 0 14px var(--crt-blue);
  white-space: pre-wrap;
}

.links-section h3 {
  color: #888;
  font-size: 1.25rem;
  margin-bottom: 16px;
  letter-spacing: 3px;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.link-item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--crt-blue);
  text-decoration: none;
  padding: 14px 18px;
  border: 1px solid #444;
  transition: all 0.3s;
  font-size: 1.2rem;
}

.link-item:hover {
  background: rgba(0, 221, 255, 0.18);
  border-color: var(--crt-blue);
  transform: translateX(8px);
}

.folder {
  font-size: 1.6rem;
}

/* Footer */
.monitor-footer {
  margin-top: 25px;
  text-align: center;
  color: #555;
  font-size: 1rem;
  letter-spacing: 2px;
}

/* Clear Overlay */
.clear-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(5, 5, 5, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s;
}

.clear-overlay.show {
  opacity: 1;
  visibility: visible;
}

.clear-box {
  background: #0a0a0a;
  border: 3px solid var(--crt-blue);
  padding: 40px 70px;
  box-shadow: 0 0 50px rgba(0, 221, 255, 0.9);
}

.clear-text {
  color: var(--crt-blue);
  font-size: 2.4rem;
  font-weight: bold;
  text-shadow: 0 0 20px var(--crt-blue);
  letter-spacing: 6px;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .crt-monitor { width: 96%; max-width: none; padding: 8px; }
  .monitor-bezel { padding: 18px 20px; }
  .main-content { flex-direction: column; }
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 3px solid var(--crt-blue);
    padding-bottom: 15px;
    flex-direction: row;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
  }
  .sidebar-item { font-size: 1.1rem; padding: 10px 16px; }
  .right-area { padding-left: 0; padding-top: 20px; max-height: 65vh; }
  .prescript-text { font-size: 1.25rem; line-height: 1.6; }
  .link-grid { grid-template-columns: 1fr; gap: 10px; }
  .link-item { font-size: 1.1rem; padding: 12px 14px; }
}