/* ==========================================================================
   Tesla Roadster: Flight Mode - Stylesheet
   Theme: High-Tech Cyberpunk & Tesla Minimalist Glassmorphism
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700;900&family=Rajdhani:wght@500;600;700&family=Inter:wght@400;500;700&display=swap');

:root {
  --tesla-red: #e82127;
  --tesla-red-glow: rgba(232, 33, 39, 0.6);
  --spacex-blue: #00d2ff;
  --spacex-blue-glow: rgba(0, 210, 255, 0.6);
  --neon-cyan: #39ff14;
  --amber-orange: #ff9900;
  --dark-bg: #090a0f;
  --panel-bg: rgba(14, 18, 28, 0.78);
  --panel-border: rgba(255, 255, 255, 0.12);
  --text-main: #f0f4fc;
  --text-muted: #8b9bb4;
  --font-digital: 'Orbitron', monospace;
  --font-tech: 'Rajdhani', sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--dark-bg);
  font-family: var(--font-tech);
  color: var(--text-main);
}

#game-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: radial-gradient(circle at 50% 30%, #151b2c 0%, #08090d 100%);
}

#gameCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   HUD & UI Overlay Layers
   -------------------------------------------------------------------------- */

/* --------------------------------------------------------------------------
   In-Game HUD - Minimal Absolute Positioned Dashboard
   No full-width blocking bars!
   -------------------------------------------------------------------------- */

#hud, .ui-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 20;
}

/* Individual HUD Cards - strictly bounded and non-blocking */
.hud-item,
.hud-box {
  position: absolute !important;
  display: inline-flex !important;
  align-items: center;
  width: auto !important;
  max-width: max-content !important;
  pointer-events: auto;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: rgba(10, 14, 24, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  box-sizing: border-box;
}

/* 1. Top Left: Logo & Status */
.hud-top-left,
.top-left {
  top: 14px !important;
  left: 18px !important;
  right: auto !important;
  bottom: auto !important;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  padding: 6px 12px;
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tesla-logo-t {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-digital);
  font-weight: 900;
  color: #fff;
  background: var(--tesla-red);
  width: 22px;
  height: 22px;
  border-radius: 4px;
  font-size: 14px;
  box-shadow: 0 0 10px var(--tesla-red-glow);
}

.brand-text {
  font-family: var(--font-digital);
  font-weight: 700;
  letter-spacing: 1.5px;
  font-size: 13px;
  color: #fff;
}

.badge-spacex {
  background: rgba(0, 210, 255, 0.15);
  color: var(--spacex-blue);
  border: 1px solid rgba(0, 210, 255, 0.4);
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 4px;
  letter-spacing: 1px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-family: var(--font-digital);
  color: var(--text-muted);
}

.indicator-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #555;
}

.indicator-dot.active {
  background: var(--spacex-blue);
  box-shadow: 0 0 8px var(--spacex-blue);
  animation: pulse-dot 1.5s infinite;
}

.indicator-dot.stabilizing {
  background: var(--amber-orange);
  box-shadow: 0 0 10px var(--amber-orange);
  animation: pulse-dot 0.5s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* 2. Top Center: Score & Combo */
.hud-top-center,
.top-center {
  top: 14px !important;
  left: 50% !important;
  right: auto !important;
  bottom: auto !important;
  transform: translateX(-50%) !important;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 130px;
  padding: 5px 16px;
  background: rgba(14, 18, 28, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.score-display {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.label {
  font-size: 9px;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-weight: 700;
}

.digital-val {
  font-family: var(--font-digital);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
  line-height: 1.2;
}

.combo-display {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 2px;
  animation: bounce-in 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.combo-display.hidden {
  display: none;
}

.combo-badge {
  background: var(--tesla-red);
  color: #fff;
  font-family: var(--font-digital);
  font-size: 11px;
  font-weight: 900;
  padding: 1px 5px;
  border-radius: 3px;
  box-shadow: 0 0 8px var(--tesla-red);
}

.combo-text {
  font-family: var(--font-digital);
  font-size: 10px;
  color: #ffde59;
  letter-spacing: 1px;
}

/* 3. Top Right: Stats & Audio */
.hud-top-right,
.top-right {
  top: 14px !important;
  right: 18px !important;
  left: auto !important;
  bottom: auto !important;
  display: flex !important;
  align-items: center;
  gap: 12px;
  padding: 6px 12px;
}

.stat-group {
  display: flex;
  gap: 12px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.stat-item .digital-val {
  font-size: 15px;
}

.unit {
  font-size: 8px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.icon-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

/* 4. Bottom Left: Speedometer */
.hud-bottom-left,
.bottom-left {
  bottom: 14px !important;
  left: 18px !important;
  top: auto !important;
  right: auto !important;
  padding: 6px 14px;
}

.speed-cluster {
  display: flex;
  flex-direction: column;
}

.speed-number {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.digital-big {
  font-family: var(--font-digital);
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
}

.speed-unit {
  font-family: var(--font-digital);
  font-size: 11px;
  color: var(--text-muted);
}

.speed-sub {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 3px;
}

.sub-badge {
  background: linear-gradient(90deg, var(--tesla-red), #ff5e62);
  color: #fff;
  font-size: 9px;
  font-family: var(--font-digital);
  font-weight: 900;
  padding: 1px 6px;
  border-radius: 3px;
  letter-spacing: 1px;
}

/* 5. Bottom Right: Cold Gas Thruster Bar */
.hud-bottom-right,
.bottom-right {
  bottom: 14px !important;
  right: 18px !important;
  top: auto !important;
  left: auto !important;
  min-width: 190px;
  flex-direction: column;
  align-items: stretch;
  gap: 5px;
  padding: 8px 14px;
}

.gauge-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gauge-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--spacex-blue);
}

.gauge-num {
  font-family: var(--font-digital);
  font-size: 12px;
  color: #fff;
}

.gauge-bar-bg {
  width: 100%;
  height: 12px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  position: relative;
}

.gauge-bar-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #0088ff, var(--spacex-blue), #80f0ff);
  border-radius: 5px;
  box-shadow: 0 0 12px var(--spacex-blue-glow);
  transition: width 0.08s linear;
}

.gauge-bar-fill.warning {
  background: linear-gradient(90deg, #ff4e50, #f9d423);
  box-shadow: 0 0 12px rgba(255, 100, 0, 0.7);
}

.gauge-caption {
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-align: center;
  margin-top: 2px;
}

/* Mobile Prompt */
.mobile-only {
  display: none;
}

@media (max-width: 768px) {
  .mobile-only {
    display: flex;
    position: absolute;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 15;
    pointer-events: none;
  }
  .touch-prompt {
    font-size: 11px;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(0, 0, 0, 0.5);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    animation: pulse-dot 2s infinite;
  }
  .ui-layer {
    padding: 10px 12px;
  }
  .digital-big {
    font-size: 28px;
  }
  .bottom-right {
    min-width: 180px;
  }
  .badge-spacex {
    display: none;
  }
  .stat-item .digital-val {
    font-size: 14px;
  }
}

/* --------------------------------------------------------------------------
   Screen Overlays (Modals & Cards)
   -------------------------------------------------------------------------- */

.overlay-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 50;
  background: rgba(5, 7, 12, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  padding: 16px;
}

.overlay-screen.active {
  opacity: 1;
  pointer-events: auto;
}

.overlay-card {
  max-width: 540px;
  width: 100%;
  background: rgba(16, 21, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  padding: 32px 36px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 210, 255, 0.1);
  text-align: center;
  animation: scale-up 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.mini-card {
  max-width: 360px;
  padding: 28px;
}

.badge-super {
  display: inline-block;
  background: rgba(232, 33, 39, 0.15);
  border: 1px solid var(--tesla-red);
  color: #ff555b;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.game-title {
  font-family: var(--font-digital);
  font-size: 34px;
  font-weight: 900;
  letter-spacing: 3px;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
}

.title-sub {
  font-size: 14px;
  letter-spacing: 6px;
  color: var(--tesla-red);
}

.title-highlight {
  background: linear-gradient(90deg, var(--spacex-blue), #ffffff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(0, 210, 255, 0.5);
  font-size: 26px;
  margin-top: 4px;
}

.tagline {
  font-size: 15px;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 20px;
}

.announcement-quote {
  background: rgba(0, 210, 255, 0.06);
  border-left: 3px solid var(--spacex-blue);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 20px;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.6;
  color: #d8e2f0;
}

.quote-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
  color: var(--spacex-blue);
  font-size: 12px;
  font-family: var(--font-tech);
}

.dot-live {
  width: 6px;
  height: 6px;
  background: #ff3333;
  border-radius: 50%;
  animation: pulse-dot 1s infinite;
}

.instructions-panel {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}

.ctrl-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.key-badge {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-family: var(--font-digital);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 6px;
  white-space: nowrap;
  color: #fff;
}

.ctrl-desc {
  font-size: 13px;
  color: #cbd5e1;
  font-family: var(--font-sans);
}

.tips-row {
  font-size: 12px;
  color: #ffde59;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  padding-top: 8px;
  line-height: 1.4;
  font-family: var(--font-sans);
}

.btn-group {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-bottom: 16px;
}

.btn {
  font-family: var(--font-digital);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 8px;
  cursor: pointer;
  border: none;
  letter-spacing: 1.5px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--tesla-red) 0%, #ff3b42 100%);
  color: #fff;
  box-shadow: 0 6px 20px var(--tesla-red-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px var(--tesla-red-glow);
}

.pulse-btn {
  animation: pulse-shadow 2s infinite;
}

@keyframes pulse-shadow {
  0%, 100% { box-shadow: 0 6px 20px var(--tesla-red-glow); }
  50% { box-shadow: 0 6px 30px rgba(232, 33, 39, 0.9); }
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-2px);
}

.high-score-record {
  font-size: 12px;
  font-family: var(--font-digital);
  color: var(--text-muted);
}

.high-score-record strong {
  color: #ffde59;
}

/* Game Over Styles */
.game-over-banner {
  color: var(--tesla-red);
  font-family: var(--font-digital);
  font-size: 12px;
  letter-spacing: 3px;
  font-weight: 900;
  margin-bottom: 6px;
}

.result-title {
  font-family: var(--font-digital);
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 4px;
}

.result-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
  font-family: var(--font-sans);
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.result-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
}

.highlight-box {
  grid-column: span 2;
  background: rgba(0, 210, 255, 0.08);
  border-color: rgba(0, 210, 255, 0.3);
}

.res-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.res-num {
  font-family: var(--font-digital);
  font-size: 24px;
  font-weight: 900;
  color: #fff;
  margin-top: 2px;
}

.highlight-box .res-num {
  font-size: 32px;
  color: var(--spacex-blue);
  text-shadow: 0 0 15px var(--spacex-blue-glow);
}

.new-record-badge {
  background: linear-gradient(90deg, #ffde59, #ff9900);
  color: #000;
  font-family: var(--font-digital);
  font-size: 13px;
  font-weight: 900;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 18px;
  display: inline-block;
  animation: bounce-in 0.5s ease;
}

.new-record-badge.hidden {
  display: none;
}

/* Animations */
@keyframes scale-up {
  0% { transform: scale(0.92); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes bounce-in {
  0% { transform: scale(0.7); opacity: 0; }
  80% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}