:root {
  --bg: #04070a;
  --panel: #060b08;
  --green: #3fe085;
  --green-dim: #1c5c3c;
  --green-glow: rgba(63, 224, 133, 0.35);
  --red: #e8615c;
  --yellow: #e8c547;
  --text-dim: #6f8f7f;
  --mono: "JetBrains Mono", "Fira Code", "Courier New", ui-monospace, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--green);
  font-family: var(--mono);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

#app {
  width: 1000px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 16px;
}

/* ---------- config panel ---------- */
#config-panel {
  width: 1000px;
  max-width: 100%;
  background: var(--panel);
  border: 1px solid var(--green-dim);
  padding: 16px 20px;
  display: flex;
  gap: 28px;
}

.config-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.config-item label {
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--text-dim);
}

.config-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.config-row input[type="range"] {
  flex: 1;
  accent-color: var(--green);
  background: transparent;
  cursor: pointer;
}

.config-row input[type="range"]:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.config-value {
  font-size: 12px;
  color: var(--green);
  min-width: 40px;
  text-align: right;
  white-space: nowrap;
}

/* ---------- console shell ---------- */
#console {
  width: 1000px;
  max-width: 100%;
  background: var(--panel);
  border: 1px solid var(--green-dim);
  padding: 18px 20px 0 20px;
  position: relative;
}

#topbar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--green-dim);
  margin-bottom: 16px;
}

#game-name {
  font-size: 17px;
  letter-spacing: 1px;
  color: var(--green);
}

#status-tag {
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--yellow);
}

#status-tag.running { color: var(--yellow); }
#status-tag.failed { color: var(--red); }
#status-tag.cleared { color: var(--green); }

/* ---------- play area ---------- */
#play-area {
  position: relative;
  min-height: 480px;
}

#panels {
  display: flex;
  gap: 24px;
}

.mem-panel {
  flex: 1;
  border: 1px solid var(--green-dim);
  padding: 14px 16px;
  min-width: 0;
}

.panel-title {
  margin: 0 0 12px 0;
  font-size: 14px;
  letter-spacing: 1px;
  color: var(--yellow);
  font-weight: normal;
}

.mem-rows {
  max-height: 420px;
  overflow-y: auto;
}

.mem-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 3px 0;
}

.addr {
  color: var(--text-dim);
  font-size: 13px;
  width: 62px;
  flex-shrink: 0;
}

.byte {
  font-size: 13px;
  width: 26px;
  text-align: center;
  color: var(--green);
  border-radius: 2px;
  padding: 1px 0;
}

.byte.found {
  color: var(--yellow);
}

.byte.wrong {
  color: var(--red);
}

.byte.cursor {
  background: var(--green);
  color: var(--bg);
  font-weight: bold;
  border-bottom: none;
}

/* ---------- stat row ---------- */
#statrow {
  display: flex;
  justify-content: space-between;
  padding: 16px 0 4px 0;
  font-size: 13px;
  letter-spacing: 1px;
}

#found-tag { color: var(--green); }
#strikes-tag { color: var(--yellow); }

/* ---------- overlays ---------- */
.overlay {
  position: absolute;
  inset: 0;
  background: rgba(2, 4, 3, 0.94);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 30px;
  gap: 10px;
}

.overlay.hidden { display: none; }

.overlay-eyebrow {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin: 0;
}

.overlay h2 {
  font-size: 26px;
  letter-spacing: 1px;
  margin: 0 0 6px 0;
  color: var(--green);
}

.overlay h2.failed-color { color: var(--red); }

.overlay-body {
  font-size: 13px;
  color: var(--text-dim);
  max-width: 420px;
  line-height: 1.6;
  margin: 0 0 8px 0;
}

.overlay-controls {
  font-size: 13px;
  color: var(--green);
  margin: 0 0 14px 0;
}

.key {
  display: inline-block;
  border: 1px solid var(--green-dim);
  padding: 2px 8px;
  margin: 0 3px;
  color: var(--green);
}

.term-btn {
  font-family: var(--mono);
  background: transparent;
  border: 1px solid var(--green);
  color: var(--green);
  padding: 10px 26px;
  font-size: 13px;
  letter-spacing: 2px;
  cursor: pointer;
}

.term-btn:hover {
  background: var(--green);
  color: #04070a;
}

.overlay-shortcut {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin: 10px 0 0 0;
}

/* ---------- control hint ---------- */
#control-hint {
  text-align: center;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-dim);
  padding: 12px 0;
}

/* ---------- footer ---------- */
#footbar {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
  border-top: 1px solid var(--green-dim);
  padding: 10px 0;
}

#ttl-tag { color: var(--yellow); }

#ttl-track {
  height: 6px;
  background: #1a1608;
  margin: 0 -20px;
}

#ttl-fill {
  height: 100%;
  width: 100%;
  background: var(--yellow);
  box-shadow: 0 0 6px rgba(232, 197, 71, 0.5);
  transition: width 0.05s linear;
}

@media (max-width: 640px) {
  #console { padding: 14px 12px 0 12px; }
  #panels { flex-direction: column; }
  .mem-rows { max-height: 260px; }
  #ttl-track { margin: 0 -12px; }
}