body {
  background: #010402;
  color: #54ffb3;
  font-family: 'Space Mono', 'Courier New', monospace;
  min-height: 100vh;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

* {
  box-sizing: border-box;
}

.crt {
  position: relative;
  width: min(960px, 100%);
  background: #001f12;
  border-radius: 32px;
  padding: 2.5rem;
  box-shadow: 0 0 120px rgba(20, 255, 163, 0.2),
    inset 0 0 60px rgba(6, 62, 36, 0.8);
}

.crt::before {
  content: '';
  position: absolute;
  inset: 1.25rem;
  border: 2px solid rgba(84, 255, 179, 0.2);
  border-radius: 24px;
  pointer-events: none;
}

.crt__glow,
.crt__scanlines {
  position: absolute;
  inset: 0;
  border-radius: 32px;
  pointer-events: none;
}

.crt__glow {
  background: radial-gradient(
    circle,
    rgba(84, 255, 179, 0.12),
    rgba(0, 0, 0, 0.8)
  );
  mix-blend-mode: screen;
}

.crt__scanlines {
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0) 0,
    rgba(0, 0, 0, 0) 2px,
    rgba(19, 71, 48, 0.35) 3px
  );
  animation: scan 6s linear infinite;
}

@keyframes scan {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(12px);
  }
}

.terminal-frame {
  position: relative;
  z-index: 2;
  border: 2px solid rgba(84, 255, 179, 0.35);
  border-radius: 18px;
  padding: 1.5rem;
  background: rgba(0, 12, 6, 0.92);
  box-shadow: inset 0 0 32px rgba(0, 0, 0, 0.7);
  text-shadow: 0 0 6px rgba(84, 255, 179, 0.4);
}

.terminal-header,
.terminal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(84, 255, 179, 0.35);
  padding-bottom: 0.4rem;
  margin-bottom: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
}

.terminal-footer {
  border-top: 1px solid rgba(84, 255, 179, 0.35);
  border-bottom: none;
  margin-top: 1rem;
  padding-top: 0.4rem;
}

.header-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(84, 255, 179, 0.6);
  color: inherit;
  font-family: inherit;
  padding: 0.35rem 0.9rem;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}

.btn-ghost:hover {
  background: rgba(84, 255, 179, 0.1);
  box-shadow: 0 0 12px rgba(84, 255, 179, 0.35);
}

.terminal-content {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1.25rem;
  min-height: 420px;
}

.folders h2 {
  font-size: 0.9rem;
  letter-spacing: 0.22em;
  margin-bottom: 0.8rem;
}

.folders ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.folders button {
  width: 100%;
  border: 1px solid rgba(84, 255, 179, 0.3);
  background: rgba(3, 30, 18, 0.82);
  color: inherit;
  font-family: inherit;
  letter-spacing: 0.14em;
  padding: 0.8rem 0.6rem;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s, border-color 0.2s;
}

.folders button.active {
  border-color: rgba(84, 255, 179, 0.85);
  background: rgba(9, 88, 50, 0.95);
  box-shadow: inset 0 0 15px rgba(84, 255, 179, 0.35);
}

.folders button:hover {
  border-color: rgba(84, 255, 179, 0.65);
}

.viewer {
  border: 1px solid rgba(84, 255, 179, 0.45);
  padding: 1rem;
  background: rgba(0, 8, 4, 0.9);
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.7);
}

.viewer__header {
  border: 1px solid rgba(84, 255, 179, 0.45);
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.8rem;
  font-weight: bold;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.viewer__body {
  height: 330px;
  overflow: hidden;
}

.viewer__text {
  height: 100%;
  white-space: pre-wrap;
  line-height: 1.7;
  letter-spacing: 0.05em;
  font-size: 0.92rem;
  padding-right: 0.6rem;
  overflow-y: auto;
}

.viewer__text::-webkit-scrollbar {
  width: 6px;
}

.viewer__text::-webkit-scrollbar-thumb {
  background: rgba(84, 255, 179, 0.4);
}

.viewer__text b {
  color: #7dffd0;
}

.viewer__text .divider {
  display: block;
  margin: 0.75rem 0;
  opacity: 0.5;
}

@media (max-width: 900px) {
  body {
    padding: 0.5rem;
  }
  .crt {
    padding: 1.2rem;
  }
  .terminal-frame {
    padding: 1rem;
  }
  .terminal-content {
    grid-template-columns: 1fr;
  }
  .viewer__body {
    height: 280px;
  }
}