:root {
  --mono: 'JetBrains Mono', monospace;
  --font-xs: clamp(10px, 1.8vw, 12px);
  --font-s: clamp(12px, 2.5vw, 16px);
  --font-m: clamp(14px, 3vw, 20px);
  --font-l: clamp(18px, 3.5vw, 24px);
  --font-xl: clamp(24px, 5vw, 36px);
  --font-xxl: clamp(32px, 7vw, 48px);
  --gap-xs: clamp(3px, 0.25vw, 6px);
  --gap-s: clamp(6px, 0.5vw, 10px);
  --gap-m: clamp(10px, 0.8vw, 16px);
  --gap-l: clamp(20px, 2vw, 32px);
  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-dim: rgba(255, 255, 255, 0.15);
  --border-mid: rgba(255, 255, 255, 0.25);
  --shadow-card: 0 0 40px rgba(0, 0, 0, 0.6);

  /* Chinese pigment palette */
  --cinnabar: #b5453a;                    /* 朱砂 zhūshā — hutong doors, lanterns */
  --cinnabar-dim: rgba(181, 69, 58, 0.12);
  --cinnabar-mid: rgba(181, 69, 58, 0.3);
  --cinnabar-bright: rgba(181, 69, 58, 0.5);
  --gold-ochre: #c8a45a;                  /* 石黄 shíhuáng — imperial mineral gold */
  --gold-ochre-dim: rgba(200, 164, 90, 0.12);
  --gold-ochre-mid: rgba(200, 164, 90, 0.3);
  --qing: #52837b;                         /* 青 qīng — celadon, temple roofs, jade */
  --qing-dim: rgba(82, 131, 123, 0.12);
  --qing-mid: rgba(82, 131, 123, 0.3);
  --qing-bright: rgba(72, 165, 150, 0.7);
  --ink-black: rgba(22, 18, 14, 0.94);    /* 墨 mò — warm ink on xuan paper */

  /* Text — warm rice paper tones */
  --text-primary: #ede6d8;                /* 宣纸白 — rice paper white */
  --text-secondary: #d0c8b8;
  --text-muted: #a8a090;
  --text-dim: #787068;

  /* Semantic aliases */
  --bg-card: var(--ink-black);
  --accent: var(--cinnabar);
  --accent-dim: var(--cinnabar-dim);
  --accent-mid: var(--cinnabar-mid);
  --accent-bright: var(--cinnabar-bright);
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('./fonts/JetBrainsMono[wght].ttf') format('truetype');
  font-style: normal;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('./fonts/JetBrainsMono-Italic[wght].ttf') format('truetype');
  font-style: italic;
}

@font-face {
  font-family: 'Special Gothic';
  src: url('./fonts/SpecialGothic-VariableFont_wdth,wght.ttf') format('truetype');
}

@font-face {
  font-family: 'Special Gothic Condensed One';
  src: url('./fonts/SpecialGothicCondensedOne-Regular.ttf') format('truetype');
}

@font-face {
  font-family: 'Special Gothic Expanded One';
  src: url('./fonts/SpecialGothicExpandedOne-Regular.ttf') format('truetype');
}

@font-face {
  font-family: 'Noto Sans SC subset';
  src: url('./fonts/NotoSansSC-subset.ttf') format('truetype');
}

/* ========================================
   Base Styles
   ======================================== */

html {
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
  background: #111;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  touch-action: manipulation;
  -webkit-touch-callout: none;
  /*
  -webkit-font-smoothing: none;
  -moz-osx-font-smoothing: unset;
  text-rendering: optimizeSpeed;
  */
  font-family: var(--mono);
  font-size: var(--font-s);
}

button, input, select {
  font-family: var(--mono);
  font-size: var(--font-s);
}

canvas {
  display: block;
  touch-action: none;
}

/* ========================================
   Debug display
   ======================================== */

#debug-container {
  position: absolute;
  top: calc(100vh - 100px);
  height: 80px;
  right: 20px;
  font-size: var(--font-xs);
  color: rgba(255,255,255,0.6);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  width: 200px;
}

#debug {
  display: none;
}

/* ========================================
   Main Menu (tabbed)
   ======================================== */

#main-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
}

.pause-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
}

.pause-card {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  gap: var(--gap-m);
  padding: var(--gap-l);
  background: var(--bg-card);
  border: none;
  box-shadow: var(--shadow-card);
  width: 90vw;
  min-width: 280px;
  max-width: clamp(320px, 30vw, 440px);
}

.menu-card {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  gap: var(--gap-s);
  padding: var(--gap-s) var(--gap-l) var(--gap-m) var(--gap-l);
  background: var(--bg-card);
  border: none;
  box-shadow: var(--shadow-card);
  min-width: 300px;
  max-width: clamp(520px, 42vw, 680px);
  width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
}

.menu-tabs {
  display: flex;
  gap: 0;
  border-bottom: none;
  margin-bottom: var(--gap-xs);
}

.menu-tab {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  padding: var(--gap-s);
  cursor: pointer;
  font-size: var(--font-m);
  letter-spacing: 1px;
  touch-action: manipulation;
  transition: color 0.15s, border-color 0.15s;
}

.menu-tab.active {
  color: var(--text-primary);
  border-bottom-color: var(--cinnabar);
}

.menu-tab:hover {
  color: var(--cinnabar);
}

.menu-tab:focus-visible {
  color: var(--cinnabar);
  outline: 1px solid var(--cinnabar-mid);
  outline-offset: -2px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: flex;
  flex-direction: column;
  gap: var(--gap-s);
}

/* Side-by-side items within tabs */
.tab-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-s);
}

.tab-row-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

#play-primary-row {
  display: flex;
  gap: var(--gap-s);
  justify-content: flex-end;
}

#in-game-actions {
  display: none;
  flex-direction: column;
  gap: var(--gap-s);
}

/* ========================================
   Dialog Overlay
   ======================================== */

#dialog-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10001;
}

.dialog-card {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: var(--gap-l);
  background: rgba(0, 0, 0, 0.95);
  border: none;
  border-radius: 4px;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.8);
  width: 90vw;
  min-width: 260px;
  max-width: clamp(360px, 30vw, 480px);
  text-align: center;
}

#dialog-message {
  font-size: var(--font-s);
  color: var(--text-secondary);
  margin-bottom: clamp(12px, 1vw, 20px);
  line-height: 1.5;
}

#dialog-actions {
  display: flex;
  gap: var(--gap-s);
}

.race-options {
  display: none;
  flex-direction: column;
  gap: var(--gap-s);
}

.mode-options {
  display: none;
  flex-direction: column;
  gap: var(--gap-s);
}

.mode-info {
  font-size: var(--font-xs);
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.3;
  padding: var(--gap-xs) 0;
}

.pause-primary {
  padding: clamp(12px, 1vw, 18px) clamp(20px, 1.5vw, 32px);
  font-size: var(--font-s);
  background: var(--cinnabar-bright);
  color: var(--text-primary);
  border: 1px solid rgba(181, 69, 58, 0.7);
  border-radius: 4px;
  cursor: pointer;
  touch-action: manipulation;
  text-align: center;
  letter-spacing: 0.5px;
  transition: background 0.15s;
}

.pause-primary:hover {
  background: rgba(181, 69, 58, 0.65);
}

.pause-primary:focus-visible {
  background: rgba(181, 69, 58, 0.65);
  outline: 1px solid var(--cinnabar);
  outline-offset: 2px;
}

/* Restart: bright qing with white text to distinguish from cinnabar Start */
#start-btn.pause-primary--destructive {
  background: var(--qing-bright);
  border-color: rgba(72, 165, 150, 0.8);
  color: #ffffff;
}

#start-btn.pause-primary--destructive:hover {
  background: rgba(72, 165, 150, 0.85);
}

#start-btn.pause-primary--destructive:focus-visible {
  background: rgba(72, 165, 150, 0.85);
  outline-color: rgba(72, 165, 150, 0.9);
}

.pause-actions {
  display: flex;
  gap: var(--gap-s);
}

.pause-actions .menu-button {
  flex: 1;
  text-align: center;
}

.pause-secondary {
  display: flex;
  gap: var(--gap-s);
  justify-content: flex-end;
}

.menu-button-secondary {
  width: auto;
  padding: clamp(7px, 0.55vw, 12px) var(--gap-m);
  font-size: var(--font-s);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  cursor: pointer;
  touch-action: manipulation;
  text-align: center;
  transition: background 0.15s, color 0.15s;
}

.menu-button-secondary:hover {
  background: var(--qing-dim);
  color: var(--text-primary);
}

.menu-button-secondary:focus-visible {
  background: var(--qing-dim);
  color: var(--text-primary);
  outline: 1px solid var(--qing-mid);
  outline-offset: 2px;
}

#resume-btn {
  background: var(--cinnabar-bright);
  color: var(--text-primary);
  border: 1px solid rgba(181, 69, 58, 0.7);
}

#resume-btn:hover {
  background: rgba(181, 69, 58, 0.65);
}

#resume-btn:focus-visible {
  background: rgba(181, 69, 58, 0.65);
  outline-color: var(--cinnabar);
}

.menu-link-secondary {
  font-size: var(--font-s);
  color: rgba(255, 255, 255, 0.35);
  text-decoration: none;
  transition: color 0.15s;
}

.menu-link-secondary:hover {
  color: var(--qing);
}

.level-selector {
  display: flex;
  align-items: center;
  gap: var(--gap-s);
  padding: var(--gap-s) 0;
}

.level-selector label {
  color: var(--text-muted);
  font-size: var(--font-s);
  white-space: nowrap;
}

.level-selector select {
  font-size: var(--font-s);
  flex: 1;
  min-width: 150px;
  touch-action: manipulation;
}

.menu-button {
  padding: var(--gap-m) clamp(16px, 1.2vw, 28px);
  font-size: var(--font-s);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  pointer-events: auto;
  touch-action: manipulation;
  transition: background 0.15s;
}

.menu-button:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ========================================
   Settings Menu
   ======================================== */

/* Settings and scores content lives inside tab panels now */

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: var(--gap-xs) 0;
}

.stat-label {
  color: var(--text-muted);
  font-size: var(--font-s);
}

.stat-value {
  color: var(--qing);
  font-size: var(--font-s);
  font-weight: bold;
}

/* ========================================
   Map View
   ======================================== */

#map-view {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9998;
  pointer-events: none; /* Keep this none so canvas below can receive events */
}

#map-view.active {
  display: block;
  /* Don't set pointer-events: auto here - we want the canvas to receive events */
}

#map-controls {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: auto;
}

#map-help {
  padding: var(--gap-m) clamp(16px, 1.2vw, 28px);
  font-size: var(--font-s);
  background: rgba(0, 0, 0, 0.85);
  color: var(--text-primary);
  border: none;
  border-radius: 4px;
  text-align: center;
  white-space: nowrap;
}

.settings-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: calc(100% - 20px);
  max-width: clamp(420px, 38vw, 600px);
  max-height: 90vh;
  overflow-y: auto;
  padding: clamp(16px, 1.5vw, 28px);
  background: var(--bg-card);
  border: none;
  box-shadow: var(--shadow-card);
}

.settings-title {
  margin: 0 0 clamp(10px, 0.8vw, 18px) 0;
  font-size: var(--font-m);
  font-weight: normal;
  color: var(--text-secondary);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.9);
}

.settings-section-header {
  grid-column: 1 / -1;
  font-size: var(--font-s);
  color: var(--cinnabar);
  padding: clamp(10px, 0.8vw, 16px) 0 2px 0;
  border-bottom: none;
  margin-top: var(--gap-xs);
  letter-spacing: 0.5px;
}

/* Grid layout for main settings */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--gap-s);
}

.settings-item {
  background: rgba(255, 255, 255, 0.03);
  padding: clamp(8px, 0.6vw, 14px);
  border: none;
  border-radius: 4px;
}

.settings-item-full {
  grid-column: 1 / -1;
}

.settings-label {
  display: block;
  font-size: var(--font-s);
  color: var(--text-secondary);
  margin-bottom: var(--gap-xs);
  letter-spacing: 0.5px;
}

.settings-select {
  width: 100%;
  padding: clamp(6px, 0.45vw, 10px) clamp(7px, 0.55vw, 12px);
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-primary);
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: var(--font-s);
  transition: border-color 0.15s, background 0.15s;
}

.settings-select:hover {
  background: rgba(0, 0, 0, 0.35);
  box-shadow: inset 0 0 0 1px var(--qing-dim);
}

.settings-select:focus-visible {
  outline: 1px solid var(--qing-mid);
  outline-offset: 2px;
}

.settings-select option {
  background: #000;
}

/* Radio button groups styled as horizontal button strips */
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-xs);
}

.radio-option {
  display: inline-flex;
  align-items: center;
  padding: clamp(5px, 0.4vw, 8px) clamp(7px, 0.55vw, 11px);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: var(--font-s);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  user-select: none;
  -webkit-user-select: none;
}

.radio-option input[type="radio"] {
  display: none;
}

.radio-option:hover {
  background: var(--qing-dim);
  color: var(--text-primary);
}

.radio-option:has(input:checked) {
  background: rgba(72, 165, 150, 0.3);
  color: #ffffff;
  border-color: rgba(72, 165, 150, 0.6);
}

.radio-option:has(input:focus-visible) {
  outline: 1px solid var(--qing-mid);
  outline-offset: 2px;
}

.radio-option-disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.color-picker-row {
  padding: 4px 0;
}

.color-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

.color-swatch {
  width: clamp(20px, 1.4vw, 28px);
  height: clamp(20px, 1.4vw, 28px);
  border: 2px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  outline: none;
  transition: border-color 0.15s, transform 0.15s;
}

.color-swatch:hover {
  transform: scale(1.15);
}

.color-swatch:focus-visible {
  outline: 2px solid var(--qing-mid);
  outline-offset: 1px;
}

.color-swatch.active {
  border-color: var(--qing);
  outline-color: transparent;
}

.color-swatch-random {
  background: conic-gradient(#922452, #97271b, #863f00, #6d5100, #006a20, #006757, #005b95, #643b9a, #922452) !important;
  font-size: var(--font-s);
  color: #fff;
  line-height: clamp(20px, 1.4vw, 28px);
  text-align: center;
  text-shadow: 0 0 3px #000;
}


/* Mobile settings */
.settings-mobile {
  margin-top: 15px;
  padding-top: 15px;
}

/* Collapsible details */
.settings-details {
  margin-top: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: none;
  border-radius: 4px;
}

.settings-summary {
  padding: 8px;
  cursor: pointer;
  font-size: var(--font-s);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  user-select: none;
}

.settings-summary:hover {
  background: var(--qing-dim);
  color: var(--qing);
}

.settings-details[open] .settings-summary {
  margin-bottom: 8px;
}

.settings-details .settings-item {
  margin: 8px;
  background: rgba(0, 0, 0, 0.3);
}

/* Compact buttons */
.menu-button-compact {
  flex: 1;
  margin: 0 4px;
  padding: var(--gap-s) clamp(8px, 0.65vw, 14px);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: none;
  cursor: pointer;
  font-size: var(--font-s);
  text-transform: uppercase;
  border-radius: 3px;
  transition: background 0.15s;
}

.menu-button-compact:hover {
  background: var(--qing-dim);
  color: var(--qing);
}

/* Calibration status */
.calibration-status {
  display: none;
  margin-top: 12px;
  padding: 8px;
  background: rgba(0, 255, 0, 0.2);
  color: #0f0;
  border: 1px solid #0f0;
  font-size: var(--font-s);
  text-align: center;
}

/* Responsive grid: 2 cols on medium, 1 on small */
@media (max-width: 640px) {
  .settings-grid {
    grid-template-columns: 1fr 1fr;
  }
  .tab-row-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 420px) {
  .settings-grid {
    grid-template-columns: 1fr;
  }
  .tab-row,
  .tab-row-3 {
    grid-template-columns: 1fr;
  }
}

/* Consistent form controls */
.settings-checkbox {
  display: block;
  width: clamp(22px, 1.6vw, 30px);
  height: clamp(22px, 1.6vw, 30px);
  accent-color: var(--qing);
  cursor: pointer;
  touch-action: manipulation;
  margin-top: var(--gap-xs);
}

.settings-checkbox:focus-visible {
  outline: 1px solid var(--qing-mid);
  outline-offset: 2px;
}

.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: clamp(6px, 0.45vw, 10px);
  margin-bottom: var(--gap-s);
  cursor: pointer;
  accent-color: var(--qing);
  touch-action: manipulation;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  outline: none;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: clamp(14px, 1vw, 20px);
  height: clamp(14px, 1vw, 20px);
  border-radius: 50%;
  background: var(--qing);
  border: none;
  cursor: pointer;
  margin-top: clamp(-5px, -0.35vw, -3px);
}

.slider::-moz-range-thumb {
  width: clamp(14px, 1vw, 20px);
  height: clamp(14px, 1vw, 20px);
  border-radius: 50%;
  background: var(--qing);
  border: none;
  cursor: pointer;
}

.slider::-webkit-slider-runnable-track {
  height: clamp(6px, 0.45vw, 10px);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
}

.slider::-moz-range-track {
  height: clamp(6px, 0.45vw, 10px);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
}

.slider:focus-visible {
  outline: 1px solid var(--qing-mid);
  outline-offset: 2px;
}

.slider-value {
  text-align: center;
  font-size: var(--font-s);
  font-weight: bold;
}

.back-button {
  width: 100%;
  padding: var(--gap-m);
  margin: clamp(14px, 1.2vw, 24px) 0 0 0;
  font-size: var(--font-s);
}

.mobile-only {
  display: block;
}

/* Hide mobile-only sections on desktop */
@media (min-width: 768px) {
  .mobile-only {
    display: none !important;
  }
}

/* ========================================
   Loading Screen
   ======================================== */

#loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #111;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  text-align: center;
  color: var(--text-primary);
  opacity: 1;
  transition: opacity 0.5s ease;
}

#loading-title {
  font-size: var(--font-m);
  line-height: 1.8em;
  margin-bottom: clamp(12px, 1vw, 20px);
  letter-spacing: clamp(4px, 0.5vw, 10px);
  font-style: italic;
}

#loading-title em {
  font-size: var(--font-l);
  margin-bottom: clamp(12px, 1vw, 20px);
  font-style: normal;
  letter-spacing: clamp(2px, 0.3vw, 6px);
}

#loading-title strong {
  font-size: var(--font-xxl);
  line-height: 1.2em;
  margin-bottom: clamp(12px, 1vw, 20px);
  letter-spacing: clamp(2px, 0.3vw, 6px);
  font-weight: normal;
  font-style: normal;
}

#loading-bar-container {
  width: min(480px, 80vw);
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin-bottom: clamp(10px, 0.8vw, 16px);
  overflow: hidden;
}

#loading-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--text-muted);
  border-radius: 2px;
  transition: width 0.2s ease;
}

#loading-status {
  font-size: var(--font-s);
  color: var(--text-muted);
  min-height: 1em;
  letter-spacing: 0.5px;
}

#loading-screen.hidden {
  opacity: 0;
  pointer-events: none;
}

/* ========================================
   Developer Tools
   ======================================== */

.dev-tools-button {
  position: fixed;
  top: 10px;
  right: 10px;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.75);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.75);
  font-size: var(--font-s);
  font-weight: bold;
  cursor: pointer;
  z-index: 9000;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: background 0.2s;
}

.dev-tools-button:hover {
  background: rgba(255, 255, 255, 0.25);
}

.dev-tools-panel {
  display: none;
  position: fixed;
  top: 60px;
  right: 10px;
  width: 400px;
  max-height: 80vh;
  background: rgba(20, 20, 30, 0.95);
  border: 2px solid rgba(255, 255, 255, 0.5);
  padding: 0;
  z-index: 9000;
  font-size: var(--font-s);
  color: white;
  overflow-y: auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.dev-tools-container {
  padding: 0 12px;
}

.dev-tool-section {
  margin-top: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-subtle);
}

.dev-tool-section:last-child {
  border-bottom: none;
}

.dev-tool-title {
  margin: 0 0 6px 0;
  font-size: var(--font-s);
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dev-tool-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dev-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
}

.dev-label {
  flex: 0 0 120px;
  font-size: var(--font-s);
  color: #aaa;
  text-transform: uppercase;
}

.dev-select {
  flex: 1;
  padding: 4px 8px;
  background: rgba(0, 0, 0, 0.5);
  color: white;
  border: 1px solid #666;
  border-radius: 3px;
  font-size: var(--font-s);
}

.dev-select option {
  background: #000;
}

.dev-color {
  width: 50px;
  height: 28px;
  border: 1px solid #666;
  border-radius: 3px;
  cursor: pointer;
  background: transparent;
}

.dev-hex {
  font-size: var(--font-s);
  color: #aaa;
}

.dev-slider {
  flex: 1;
  height: 6px;
  cursor: pointer;
  accent-color: #ff8800;
}

.dev-value {
  flex: 0 0 50px;
  text-align: right;
  font-size: var(--font-s);
  color: #fff;
}

.dev-button {
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid #666;
  border-radius: 3px;
  cursor: pointer;
  font-size: var(--font-s);
  text-transform: uppercase;
  transition: background 0.2s;
}

.dev-button:hover {
  background: rgba(255, 255, 255, 0.2);
}

.dev-tools-close {
  width: 100%;
  padding: 10px;
  background: rgba(255, 100, 0, 0.3);
  color: white;
  border: none;
  border-top: 1px solid rgba(255, 150, 0, 0.5);
  cursor: pointer;
  font-size: var(--font-s);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: background 0.2s;
}

.dev-tools-close:hover {
  background: rgba(255, 120, 0, 0.4);
}

/* ========================================
   Race Overlays
   ======================================== */

#race-results,
#delivery-results {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
}

.race-results-card {
  min-width: 320px;
  max-width: 420px;
}

#race-results-name-row {
  margin-top: 12px;
}

.race-results-name-label {
  color: var(--qing);
}

.race-results-name-inputs {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.race-results-name-input {
  box-sizing: border-box;
  flex: 2;
}

.race-results-save-btn {
  flex: 1;
  padding: 6px;
}

#race-results-scoreboard,
#delivery-results-scoreboard {
  margin-top: 12px;
}

.race-results-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.race-results-action-1 {
  flex: 1;
}

.race-results-action-2 {
  flex: 2;
}

.race-stats {
  font-size: var(--font-s);
  color: var(--text-secondary);
}

.scoreboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-s);
}

.scoreboard-table th {
  color: var(--accent);
  font-weight: normal;
  font-size: var(--font-s);
  letter-spacing: 0.5px;
  padding: var(--gap-xs) clamp(4px, 0.35vw, 8px) var(--gap-s);
  border-bottom: none;
  text-align: left;
}

.scoreboard-table td {
  padding: clamp(2px, 0.2vw, 5px) clamp(4px, 0.35vw, 8px);
  color: var(--text-secondary);
}

.scoreboard-table tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.03);
}

.scoreboard-table tr.current-entry td {
  color: var(--qing);
  font-weight: bold;
}

.scoreboard-table .rank {
  color: var(--text-muted);
  width: 24px;
}

.scoreboard-table .score {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .dev-tools-panel {
    width: calc(100% - 20px);
    right: 10px;
    max-height: 70vh;
  }

  .dev-label {
    flex: 0 0 100px;
    font-size: var(--font-s);
  }
}

/* ========================================
   Mobile Buttons Overlay (Buttons control mode)
   ======================================== */

#mobile-buttons {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 30vh;
  min-height: 120px;
  max-height: 200px;
  display: flex;
  align-items: stretch;
  gap: 0;
  z-index: 500;
  pointer-events: none;
}

.mobile-btn {
  pointer-events: auto;
  touch-action: none;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.55);
  font-size: clamp(28px, 6vw, 48px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  transition: background 0.1s, color 0.1s;
  /* Prevent text-selection blue flash on tap */
  -webkit-tap-highlight-color: transparent;
  border-radius: 0;
}

.mobile-btn:active {
  background: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.85);
}

.mobile-btn-left {
  flex: 1;
  border-right: none;
}

.mobile-btn-right {
  flex: 1;
  border-left: none;
}

/* ========================================
   Mobile D-pad Overlay (D-pad control mode)
   ======================================== */

#mobile-dpad {
  position: fixed;
  bottom: clamp(16px, 3vh, 32px);
  right: clamp(16px, 3vw, 32px);
  width: clamp(220px, 40vw, 300px);
  height: clamp(220px, 40vw, 300px);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
  z-index: 500;
  pointer-events: none;
}

.dpad-btn {
  pointer-events: auto;
  touch-action: none;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.55);
  font-size: clamp(24px, 6vw, 40px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  transition: background 0.1s, color 0.1s;
  -webkit-tap-highlight-color: transparent;
  border-radius: 0;
}

.dpad-btn:active {
  background: rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.9);
}

/* Up button: top-center cell */
.dpad-btn-up {
  grid-column: 2;
  grid-row: 1;
}

/* Left button: middle-left cell */
.dpad-btn-left {
  grid-column: 1;
  grid-row: 2;
}

/* Center dead zone: middle-center cell (no pointer events) */
.dpad-btn-center {
  grid-column: 2;
  grid-row: 2;
  pointer-events: none;
  background: transparent;
  border-color: transparent;
  color: transparent;
}

/* Right button: middle-right cell */
.dpad-btn-right {
  grid-column: 3;
  grid-row: 2;
}

/* Down button: bottom-center cell */
.dpad-btn-down {
  grid-column: 2;
  grid-row: 3;
  background: rgba(181, 69, 58, 0.18);
  border-color: rgba(181, 69, 58, 0.25);
  color: rgba(181, 69, 58, 0.65);
}

.dpad-btn-down:active {
  background: rgba(181, 69, 58, 0.38);
  color: rgba(181, 69, 58, 0.9);
}