*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
 
  :root {
    --green: #00ff88;
    --green-dim: #00cc6a;
    --green-faint: #00ff8818;
    --green-subtle: #00ff8830;
    --green-border: #00ff8855;
    --green-glow: 0 0 8px #00ff8866, 0 0 20px #00ff8822;
    --green-glow-strong: 0 0 6px #00ff88aa, 0 0 16px #00ff8844;
    --red: #ff0008;
    --red-dim: #cc000a;
    --red-faint: #ff000818;
    --red-subtle: #ff000830;
    --red-border: #ff000855;
    --red-glow: 0 0 8px #ff000866, 0 0 20px #ff000822;
    --red-glow-strong: 0 0 6px #ff0008aa, 0 0 16px #ff000844;
    --bg: #060b08;
    --bg-panel: #080f0a;
    --scanline: repeating-linear-gradient(
      to bottom,
      transparent 0px,
      transparent 3px,
      rgba(0, 255, 0, 0.5) 3px,
      rgba(0,0,0,0.07) 4px
    );
    --font-mono: 'Share Tech Mono', monospace;
    --font-display: 'VT323', monospace;
    --radius: 8px;
  }
 
  html, body {
    height: 100%;
    background: var(--bg);
    color: var(--green);
    font-family: var(--font-mono);
    font-size: 28px;
    overflow-x: hidden;
  }
 
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--scanline);
    pointer-events: none;
    z-index: 9999;
    opacity: 0.4;
  }
 
  /* ─── LAYOUT ─── */
  .shell {
    max-width: 480px;
    margin: 0 auto;
    padding: 16px 14px 32px;
    min-height: 100vh;
  }
 
  /* ─── HEADER ─── */
  .header {
    border: 1px solid var(--green-border);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 16px;
    background: var(--green-faint);
    box-shadow: var(--green-glow);
    position: relative;
    overflow: hidden;
  }
  .header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--green-dim), transparent);
    opacity: 0.6;
  }
  .header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
  }
  .header-title {
    font-family: var(--font-display);
    font-size: 56px;
    letter-spacing: 2px;
    text-shadow: 0 0 10px var(--green);
    line-height: 1;
  }
  .header-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 22px;
    color: var(--green-dim);
  }
  .status-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
    animation: pulse 2s ease-in-out infinite;
  }
  .header-sub {
    font-size: 22px;
    color: var(--green-dim);
    letter-spacing: 1px;
  }
  .prompt-line {
    margin-top: 10px;
    font-size: 24px;
    color: var(--green-dim);
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .cursor {
    display: inline-block;
    width: 8px; height: 13px;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
    animation: blink 1.1s step-end infinite;
    vertical-align: middle;
  }
 
  /* ─── SECTION LABEL ─── */
  .section-label {
    font-size: 22px;
    letter-spacing: 2px;
    color: var(--green-dim);
    text-transform: uppercase;
    margin: 16px 0 8px;
    padding-left: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--green-border);
  }
 
  /* ─── STAT GRID ─── */
  /* Change grid-template-columns to control boxes per row */
  .grid-1 { display: grid; grid-template-columns: 1fr; gap: 10px; }
  .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .grid-3 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
  /* Mix rows: wrap grid rows in different .grid-N divs */
 
  /* ─── STAT BOX ─── */
  .stat {
    border: 1px solid var(--green-border);
    border-radius: var(--radius);
    padding: 12px 10px;
    background: var(--green-faint);
    box-shadow: var(--green-glow);
    transition: box-shadow 0.2s, background 0.2s;
    position: relative;
    overflow: hidden;
  }
  .stat:active {
    box-shadow: var(--green-glow-strong);
    background: var(--green-subtle);
  }
  .stat::after {
    content: '';
    position: absolute;
    bottom: 0; left: 10%; right: 10%;
    height: 1px;
    background: var(--green-border);
    opacity: 0.5;
  }
  .stat-label {
    font-size: 20px;
    letter-spacing: 1.5px;
    color: var(--green-dim);
    text-transform: uppercase;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .stat-value {
    font-family: var(--font-display);
    font-size: 64px;
    line-height: 1;
    text-shadow: 0 0 8px var(--green);
    letter-spacing: 1px;
  }
  .stat-value.sm { font-size: 44px; }
  .stat-unit {
    font-size: 22px;
    color: var(--green-dim);
    margin-top: 2px;
  }
  .stat-delta {
    position: absolute;
    top: 10px; right: 10px;
    font-size: 20px;
    color: var(--green);
    background: var(--green-subtle);
    border: 1px solid var(--green-border);
    border-radius: 4px;
    padding: 1px 5px;
  }
  .stat-delta.neg { color: #ff4d6d; border-color: #ff4d6d44; background: #ff4d6d11; }
 
  SELECT { 
    font-family: var(--font-display);
    font-size: 22px;
    letter-spacing: 2px;
    color: var(--green-dim);
    text-transform: uppercase;
    align-items: center;
    background: var(--green-subtle);
  }
  OPTION { 
    font-family: var(--font-display);
    font-size: 22px;
    letter-spacing: 2px;
    color: var(--green-dim);
    text-transform: uppercase;
    align-items: center;
    background: var(--green-subtle);
  }
  /* ─── WIDE STAT (full-width, horizontal layout) ─── */
  .stat-wide {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .stat-wide .stat-value { font-size: 26px; }
  .stat-wide-bar {
    flex: 1;
    margin: 0 12px;
    height: 4px;
    background: var(--green-subtle);
    border-radius: 2px;
    overflow: hidden;
  }
  .stat-wide-bar-fill {
    height: 100%;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
    border-radius: 2px;
    transition: width 1s ease;
  }
 
  /* ─── LOG BOX ─── */
  .log-box {
    border: 1px solid var(--green-border);
    border-radius: var(--radius);
    padding: 12px 14px;
    background: var(--bg-panel);
    box-shadow: var(--green-glow);
    font-size: 24px;
    line-height: 1.8;
    color: var(--green-dim);
  }
  .log-box .log-line::before { content: '> '; color: var(--green); }
  .log-box .log-ok { color: #00ff88; }
  .log-box .log-warn { color: #f0c040; }
  .log-box .log-err { color: #ff4d6d; }

  /*----- This is the checkbox code-----*/
 /* ─── TERMINAL CHECKBOX ─── */

.term-check {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  font-size: 22px;
  letter-spacing: 2px;
  color: var(--green-dim);
}

/* hide default checkbox */
.term-check input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* custom box */
.check-ui {
  width: 22px;
  height: 22px;
  border: 1px solid var(--green-border);
  border-radius: 4px;
  background: var(--green-faint);
  box-shadow: var(--green-glow);
  position: relative;
  transition: all 0.15s ease;
}

/* hover glow */
.term-check:hover .check-ui {
  box-shadow: var(--green-glow-strong);
}

/* check mark */
.check-ui::after {
  content: '';
  position: absolute;
  inset: 4px;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  opacity: 0;
  transition: opacity 0.12s ease;
}

/* checked state */
.term-check input:checked + .check-ui::after {
  opacity: 1;
}

/* active press feel */
.term-check:active .check-ui {
  background: var(--green-subtle);
}
  /* ─── ANIMATIONS ─── */
  @keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
  }
  @keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--green); }
    50% { opacity: 0.5; box-shadow: 0 0 2px var(--green); }
  }
  @keyframes flicker {
    0%, 100% { opacity: 1; }
    92% { opacity: 1; }
    93% { opacity: 0.8; }
    94% { opacity: 1; }
    96% { opacity: 0.9; }
    97% { opacity: 1; }
  }
  .shell { animation: flicker 8s infinite; }