@import url('https://fonts.googleapis.com/css2?family=VT323&display=swap');

:root {
  --green:       #4afe6e;
  --green-soft:  #6dffa1;
  --green-glow:  rgba(74, 254, 110, 0.55);
  --green-dim:   rgba(74, 254, 110, 0.30);
  --green-trace: rgba(74, 254, 110, 0.10);
  --bg:          #000;
  --bg-soft:     #04140a;
}

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

html, body {
  width: 600px;
  height: 600px;
  overflow: hidden;
  background: var(--bg);
  color: var(--green);
  font-family: "VT323", "Courier New", "Menlo", ui-monospace, monospace;
  font-size: 30px;
  line-height: 1.16;
  letter-spacing: 0.02em;
  text-shadow:
    0 0 4px var(--green-glow),
    0 0 10px rgba(74, 254, 110, 0.25);
  user-select: none;
  -webkit-user-select: none;
}

#crt {
  position: relative;
  width: 600px;
  height: 600px;
  padding: 6px 14px 10px;
  display: flex;
  flex-direction: column;
  background: radial-gradient(ellipse at 50% 45%, var(--bg-soft) 0%, #000 78%);
}

/* Status bar — inverted, like Apple ][ Zork */
#statusbar {
  flex: 0 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--green);
  color: #000;
  text-shadow: none;
  padding: 0 8px;
  font-size: 22px;
  letter-spacing: 1px;
  text-transform: uppercase;
  height: 30px;
  margin-bottom: 6px;
  font-weight: 400;
  box-shadow: 0 0 18px var(--green-glow);
}
#statusbar > span { white-space: nowrap; }

#screen {
  position: relative;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

#output {
  flex: 1 1 auto;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  padding-right: 6px;
}
#output::-webkit-scrollbar { width: 6px; }
#output::-webkit-scrollbar-track { background: transparent; }
#output::-webkit-scrollbar-thumb { background: var(--green-dim); }

.line { display: block; }
.echo {
  color: var(--green-soft);
  margin-top: 6px;
}
.echo::before { content: '> '; }
.title-line {
  display: inline-block;
  background: var(--green);
  color: #000;
  text-shadow: none;
  padding: 0 6px;
  letter-spacing: 1px;
  margin-top: 6px;
}
.dim   { color: var(--green-dim); }
.bold  { font-weight: 700; color: var(--green-soft); }

/* Active typewriter cursor at the end of the line being typed */
.line.typing::after {
  content: '\2588';
  margin-left: 1px;
  color: var(--green);
  animation: blink 1s steps(2) infinite;
}

/* ── Chip command bar ─────────────────────────────────────── */
#chipbar {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
}
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chip {
  background: transparent;
  color: var(--green);
  border: 2px solid var(--green);
  font-family: inherit;
  font-size: 24px;
  letter-spacing: 1px;
  padding: 6px 14px;
  cursor: pointer;
  text-transform: uppercase;
  text-shadow: inherit;
  white-space: nowrap;
  transition: background 0.1s, color 0.1s, box-shadow 0.15s;
  outline: none;
}
/* Focused = selected = filled green. Works on any chip, anywhere
   (main screen primary/secondary OR the MORE panel chips). */
.chip:focus {
  background: var(--green);
  color: #000;
  text-shadow: none;
  outline: none;
  box-shadow: 0 0 22px var(--green-glow);
}
.chip.primary:focus {
  box-shadow: 0 0 34px var(--green-glow);
  animation: chipPulse 1.2s ease-in-out infinite;
}
@keyframes chipPulse {
  0%, 100% { box-shadow: 0 0 18px var(--green-glow); }
  50%      { box-shadow: 0 0 34px var(--green-glow); }
}
.chip:hover, .chip:active {
  background: var(--green);
  color: #000;
  text-shadow: none;
}
.chip.primary {
  background: var(--green);
  color: #000;
  text-shadow: none;
  box-shadow: 0 0 18px var(--green-glow);
}
.chip.full { flex: 1 1 100%; }
.chip.big {
  font-size: 32px;
  padding: 14px 16px;
  letter-spacing: 2px;
  text-align: center;
  justify-content: center;
}
.chip.compact {
  font-size: 22px;
  padding: 4px 10px;
  letter-spacing: 0.5px;
}
.chip:disabled,
#chipbar.disabled .chip {
  opacity: 0.35;
  pointer-events: none;
}

/* ── More panel (expanded actions) ───────────────────────── */
#more-panel {
  position: absolute;
  inset: 8px;
  background: rgba(2, 18, 8, 0.97);
  border: 2px solid var(--green);
  z-index: 70;
  padding: 10px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 0 28px var(--green-glow);
}
#more-panel.hidden { display: none !important; }
.mp-header {
  display: flex;
  align-items: center;
  background: var(--green);
  color: #000;
  text-shadow: none;
  padding: 0 8px;
  height: 32px;
  font-size: 22px;
  letter-spacing: 1px;
}
.mp-title { flex: 1; }
.mp-close {
  background: transparent;
  border: none;
  color: #000;
  font-family: inherit;
  font-size: 22px;
  cursor: pointer;
  padding: 0 4px;
}
.mp-list {
  flex: 1 1 auto;
  overflow-y: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-content: flex-start;
}
.mp-list::-webkit-scrollbar { width: 6px; }
.mp-list::-webkit-scrollbar-thumb { background: var(--green-dim); }

/* ── Scanlines + vignette + flicker ── */
#crt::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.28) 3px,
    rgba(0, 0, 0, 0) 4px
  );
  mix-blend-mode: multiply;
  z-index: 50;
}
#crt::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 50%, transparent 55%, rgba(0,0,0,0.55) 100%);
  z-index: 49;
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  46% { opacity: 0.96; }
  47% { opacity: 1; }
  72% { opacity: 0.93; }
  73% { opacity: 1; }
}
#screen, #statusbar { animation: flicker 6s infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Boot overlay */
#boot {
  position: absolute;
  inset: 0;
  background: #000;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: opacity 0.45s ease;
}
#boot.gone { opacity: 0; }
#boot .crawl {
  font-size: 24px;
  letter-spacing: 2px;
  color: var(--green);
}
#boot .scanline {
  position: absolute;
  left: 0; right: 0;
  height: 4px;
  background: var(--green);
  box-shadow: 0 0 16px var(--green-glow);
  animation: bootScan 0.85s ease-out forwards;
}
@keyframes bootScan {
  0%   { top: 0;    opacity: 1; }
  90%  { opacity: 1; }
  100% { top: 600px; opacity: 0; }
}

.hidden { display: none !important; }