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

:root {
  --bg: #0a0a0a;
  --fg: #33ff33;
  --fg-dim: #1a7a1a;
  --fg-bright: #88ff88;
  --accent: #ff6633;
  --accent2: #33ccff;
  --border: #1a3a1a;
  --bar-bg: #0d1a0d;
  --font: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', 'Consolas', monospace;
}

html, body {
  height: 100%;
  height: 100dvh;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
}

/* ── Top XP Bar ── */
#top-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 12px;
  background: var(--bar-bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#xp-bar {
  flex: 1;
  height: 10px;
  background: #111;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
}

#xp-fill {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--fg-dim), var(--fg));
  transition: width 0.5s ease;
}

#level-display {
  color: var(--accent2);
  font-weight: bold;
  font-size: 12px;
}

/* ── Terminal ── */
#terminal {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 12px;
  min-height: 0;
  overflow: hidden;
}

#output {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
  min-height: 0;
  -webkit-overflow-scrolling: touch;
}

#output::-webkit-scrollbar {
  width: 6px;
}

#output::-webkit-scrollbar-track {
  background: var(--bg);
}

#output::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

#output {
  min-height: 0;
}

.line {
  white-space: pre-wrap;
  word-break: break-word;
  padding: 1px 0;
}

.line.system {
  color: var(--fg-dim);
  font-style: italic;
}

.line.narrative {
  color: var(--fg);
}

.line.operator {
  color: #33ccff;
  font-weight: bold;
}

.line.npc {
  color: #ffcc00;
}

.line.mystery {
  color: #cc99ff;
  font-style: italic;
}

.line.alert {
  color: var(--accent);
  font-weight: bold;
}

.line.success {
  color: var(--fg-bright);
}

.line.info {
  color: var(--fg-dim);
}

.line.error {
  color: #ff3333;
}

.line.xp-gain {
  color: #ffcc00;
}

.line.progress {
  color: #ff8800;
}

/* Inline buttons */
.inline-btn {
  background: none;
  border: 1px solid var(--fg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 12px;
  padding: 2px 8px;
  cursor: pointer;
  margin: 2px 4px;
  transition: background 0.2s;
}

.inline-btn:hover {
  background: var(--fg);
  color: var(--bg);
}

.inline-btn.accept {
  border-color: var(--fg-bright);
  color: var(--fg-bright);
}

.inline-btn.accept:hover {
  background: var(--fg-bright);
  color: var(--bg);
}

.inline-btn.decline {
  border-color: var(--accent);
  color: var(--accent);
}

.inline-btn.decline:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ── Bottom Nav ── */
#bottom-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bar-bg);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.nav-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--fg-dim);
  font-family: var(--font);
  font-size: 12px;
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: lowercase;
}

.nav-btn:hover {
  color: var(--fg);
  border-color: var(--fg);
}

.nav-btn:focus {
  outline: none;
}

.nav-btn.active {
  color: var(--fg);
  border-color: var(--fg);
  background: var(--bar-bg);
}

/* ── Simulator Overlay ── */
#simulator-overlay {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: 480px;
  background: #0d0d0d;
  border-left: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  font-size: 12px;
}

#simulator-overlay.hidden {
  display: none;
}

#simulator-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  background: #111;
  border-bottom: 1px solid var(--border);
  color: var(--fg-dim);
}

#sim-close {
  background: none;
  border: none;
  color: var(--fg-dim);
  font-size: 18px;
  cursor: pointer;
}

#sim-close:hover {
  color: var(--accent);
}

#simulator-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#sim-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
}

.sim-tab {
  background: none;
  border: none;
  color: var(--fg-dim);
  font-family: var(--font);
  font-size: 11px;
  padding: 6px 12px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.sim-tab.active {
  color: var(--fg);
  border-bottom-color: var(--fg);
}

.sim-tab:hover {
  color: var(--fg-bright);
}

#sim-panels {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
}

.sim-panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sim-panel.hidden {
  display: none;
}

.sim-panel label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--fg-dim);
}

.sim-panel input[type="text"],
.sim-panel input[type="range"] {
  background: #111;
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--font);
  font-size: 12px;
  padding: 2px 6px;
}

.sim-panel input[type="checkbox"] {
  accent-color: var(--fg);
}

.sim-panel button {
  background: none;
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--font);
  font-size: 11px;
  padding: 4px 8px;
  cursor: pointer;
  align-self: flex-start;
}

.sim-panel button:hover {
  border-color: var(--fg);
}

#sim-memory-log {
  background: #080808;
  border: 1px solid var(--border);
  color: var(--fg-dim);
  font-family: var(--font);
  font-size: 11px;
  padding: 4px;
  resize: vertical;
}

.llm-log {
  background: #080808;
  border: 1px solid var(--border);
  color: var(--fg-dim);
  font-family: var(--font);
  font-size: 11px;
  padding: 4px;
  max-height: 300px;
  overflow-y: auto;
  white-space: pre-wrap;
}

/* ── Blinking cursor effect ── */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--fg);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
  vertical-align: text-bottom;
}

/* ── GPS Sim Panel ── */
#sim-panel.sim-panel {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  background: var(--bar-bg);
  flex-shrink: 0;
}

#sim-panel.sim-panel.hidden {
  display: none;
}

#sim-panel .sim-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font);
  font-weight: bold;
  margin-bottom: 4px;
}

#sim-panel .sim-title {
  font-size: 14px;
  color: var(--fg-bright);
  letter-spacing: 1px;
}

#sim-panel .sim-distance {
  font-size: 14px;
  color: var(--accent);
}

#sim-panel .sim-controls {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 4px 0;
}

#sim-panel .sim-row {
  display: flex;
  justify-content: center;
  gap: 8px;
}

#sim-panel .sim-row-mid {
  justify-content: space-around;
}

#sim-panel .sim-btn {
  flex: 1;
  max-width: 140px;
  padding: 10px 12px;
  font-size: 16px;
  font-family: var(--font);
  font-weight: bold;
  background: #0a0a0a;
  color: var(--fg);
  border: 2px solid var(--fg);
  border-radius: 6px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: all 0.1s ease;
}

#sim-panel .sim-btn-side {
  max-width: 160px;
}

#sim-panel .sim-btn:active {
  background: var(--fg);
  color: var(--bg);
  transform: scale(0.95);
}

#sim-panel .sim-step {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 4px 0;
}

#sim-panel .sim-step-label {
  font-size: 10px;
  font-family: var(--font);
  font-weight: bold;
  color: var(--fg-dim);
  letter-spacing: 1px;
  margin-right: 4px;
}

#sim-panel .sim-step-btn {
  padding: 6px 8px;
  font-size: 11px;
  font-family: var(--font);
  font-weight: bold;
  background: #0a0a0a;
  color: var(--fg);
  border: 1px solid var(--fg-dim);
  border-radius: 4px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  min-width: 36px;
}

#sim-panel .sim-step-btn.active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

#sim-panel .sim-step-btn:active {
  transform: scale(0.92);
}

#sim-panel .sim-actions {
  display: flex;
  gap: 8px;
}

#sim-panel .sim-action-btn {
  flex: 1;
  padding: 10px;
  font-size: 12px;
  font-family: var(--font);
  font-weight: bold;
  background: #1a1a1a;
  color: var(--fg);
  border: 1px solid var(--fg);
  border-radius: 4px;
  cursor: pointer;
  letter-spacing: 1px;
  -webkit-tap-highlight-color: transparent;
}

#sim-panel .sim-action-btn:active {
  background: var(--fg);
  color: var(--bg);
}

#sim-panel #sim-off-btn {
  border-color: #ff5555;
  color: #ff5555;
}

#sim-panel #sim-off-btn:active {
  background: #ff5555;
  color: white;
}

#sim-panel #sim-reset-btn {
  border-color: #ffaa33;
  color: #ffaa33;
}

#sim-panel #sim-reset-btn:active {
  background: #ffaa33;
  color: var(--bg);
}