:root {
  --green-phosphor: #33ff33;
  --green-glow: 0 0 4px rgba(51, 255, 51, 0.7), 0 0 10px rgba(51, 255, 51, 0.4);
  --bg-color: #030803;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  color: var(--green-phosphor);
  font-family: 'VT323', monospace;
  font-size: 1.5rem;
  letter-spacing: 1px;
  line-height: 1.2;
  text-shadow: var(--green-glow);
  overflow-x: hidden;
}

/* CRT Screen Effects */
.crt-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.35) 50%
  );
  background-size: 100% 4px;
  pointer-events: none;
  z-index: 999;
}

body.flicker-active {
  animation: crt-flicker 0.15s infinite;
}

@keyframes crt-flicker {
  0% { opacity: 0.98; }
  50% { opacity: 1; }
  100% { opacity: 0.99; }
}

.terminal-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

.terminal-header {
  border-bottom: 2px dashed var(--green-phosphor);
  padding-bottom: 20px;
  margin-bottom: 35px;
}

.nav-back {
  color: var(--green-phosphor);
  text-decoration: none;
  border: 1px solid var(--green-phosphor);
  padding: 2px 10px;
  display: inline-block;
  margin-bottom: 20px;
}

.nav-back:hover {
  background: var(--green-phosphor);
  color: var(--bg-color);
  text-shadow: none;
}

.term-title {
  font-size: 3rem;
  margin: 0;
}

.term-desc {
  margin: 5px 0 0 0;
  opacity: 0.8;
}

.terminal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

/* Retro ASCII Box */
.term-box {
  display: flex;
  flex-direction: column;
  margin-bottom: 15px;
}

.box-title {
  font-weight: bold;
}

.box-content {
  padding: 5px 15px;
  border-left: 2px solid var(--green-phosphor);
  border-right: 2px solid var(--green-phosphor);
  min-height: 100px;
}

.box-footer {
  margin-top: -2px;
}

.shell-logs {
  height: 140px;
  overflow-y: auto;
  margin-bottom: 10px;
  scrollbar-width: none; /* Hide scrollbars */
}

.shell-logs::-webkit-scrollbar {
  display: none;
}

.log-line {
  margin: 0 0 5px 0;
}

.input-line {
  display: flex;
  align-items: center;
  padding-left: 15px;
  border-left: 2px solid var(--green-phosphor);
  border-right: 2px solid var(--green-phosphor);
}

.shell-input {
  background: transparent;
  border: none;
  color: var(--green-phosphor);
  font-family: inherit;
  font-size: 1.5rem;
  outline: none;
  text-shadow: var(--green-glow);
  flex-grow: 1;
}

/* Custom terminal caret blink */
.cursor {
  display: inline-block;
  animation: blink 0.8s step-end infinite;
  margin-left: -5px;
}

@keyframes blink {
  from, to { color: transparent; text-shadow: none; }
  50% { color: var(--green-phosphor); }
}

.settings-box {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.term-btn {
  background: transparent;
  border: 1px solid var(--green-phosphor);
  color: var(--green-phosphor);
  font-family: inherit;
  font-size: 1.3rem;
  padding: 5px 10px;
  cursor: pointer;
  text-shadow: var(--green-glow);
  transition: all 0.1s;
}

.term-btn:hover {
  background: var(--green-phosphor);
  color: var(--bg-color);
  text-shadow: none;
}

.term-btn:active {
  transform: scale(0.98);
}

/* Toggle scanlines helper */
body.scanlines-disabled .crt-overlay {
  display: none;
}