@import url('https://fonts.googleapis.com/css2?family=Reddit+Sans:ital,wght@0,300..900;1,300..900&family=JetBrains+Mono:wght@500;700&display=swap');

:root {
  /* Playlog Brand Colors (Official 2026 Guidelines) */
  --playlog-dark-blue: #004d9f;
  --playlog-blue: #4ab3f4;
  --playlog-green: #36f1cd;
  
  /* Secondary Color Palette */
  --color-roadside: #36f1cd;
  --color-transit: #fe7743;
  --color-placebased: #dc4648;
  --color-ambience: #b771e5;
  --color-teal: #009990;
  --color-yellow: #fff8a1;

  /* Surfaces & Dark Theme System */
  --bg-deep: #030a17;
  --surface-panel: rgba(6, 18, 38, 0.92);
  --surface-card: rgba(10, 27, 56, 0.85);
  --border-subtle: rgba(74, 179, 244, 0.22);
  --border-strong: rgba(74, 179, 244, 0.5);
  --text-primary: #ffffff;
  --text-secondary: #9cb3d3;
  --text-muted: #647b9d;

  /* Typography */
  --font-main: 'Reddit Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
}

#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* TOP STATUS HUD */
#top-bar {
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10;
  pointer-events: none;
  gap: 12px;
}

.hud-panel {
  background: var(--surface-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 8px 28px rgba(0, 8, 20, 0.55);
  pointer-events: auto;
}

/* BRAND HEADER */
.brand-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  border-right: 1px solid var(--border-subtle);
  padding-right: 16px;
}

.brand-logo-img {
  height: 26px;
  width: auto;
  object-fit: contain;
  display: block;
}

.brand-text-container {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #fff;
}

.brand-sub {
  font-size: 10px;
  font-weight: 600;
  color: var(--playlog-green);
  letter-spacing: 1px;
  text-transform: uppercase;
}

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

.stat-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}

.stat-val {
  font-size: 16px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.stat-val.money {
  color: var(--playlog-green);
}

.stat-val.sla-healthy { color: var(--playlog-green); }
.stat-val.sla-warning { color: var(--color-transit); }
.stat-val.sla-danger { color: var(--color-placebased); }

.controls-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-primary);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hud-btn:hover {
  background: rgba(74, 179, 244, 0.15);
  border-color: var(--playlog-blue);
  color: #fff;
}

.hud-btn.active {
  background: var(--playlog-dark-blue);
  border-color: var(--playlog-green);
  color: var(--playlog-green);
}

/* CANVAS */
#game-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

/* RUSH HOUR BANNER */
#event-banner {
  position: absolute;
  top: 76px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: linear-gradient(90deg, rgba(254, 119, 67, 0.95), rgba(183, 113, 229, 0.95));
  color: #fff;
  padding: 7px 22px;
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.8px;
  box-shadow: 0 4px 20px rgba(254, 119, 67, 0.45);
  z-index: 20;
  pointer-events: none;
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

#event-banner.active {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* LIVE TELEMETRY */
#live-telemetry {
  position: absolute;
  top: 76px;
  left: 14px;
  font-size: 11px;
  font-weight: 600;
  pointer-events: none;
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 330px;
}

.telemetry-log {
  background: rgba(6, 18, 38, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-left: 3px solid var(--playlog-green);
  border-radius: 0 8px 8px 0;
  border-top: 1px solid rgba(74, 179, 244, 0.15);
  border-bottom: 1px solid rgba(74, 179, 244, 0.15);
  border-right: 1px solid rgba(74, 179, 244, 0.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  color: var(--text-secondary);
  animation: fadeOut 5s forwards;
}

/* INTERACTIVE NODE INSPECTOR POPOVER CARD */
#node-inspector {
  position: absolute;
  background: var(--surface-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 16px;
  width: 300px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(74, 179, 244, 0.2);
  z-index: 30;
  display: none;
  flex-direction: column;
  gap: 10px;
  pointer-events: auto;
}

#node-inspector.active {
  display: flex;
}

.inspector-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.inspector-title {
  font-size: 14.5px;
  font-weight: 800;
  color: #fff;
}

.inspector-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.inspector-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  padding: 0 4px;
}

.inspector-close-btn:hover {
  color: #fff;
}

.inspector-meta {
  display: flex;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.02);
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 10.5px;
  color: var(--text-muted);
}

.inspector-meta strong {
  color: #fff;
}

/* Cache Meter */
.cache-meter-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cache-meter-header {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 700;
}

.cache-bar-bg {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.cache-bar-fill {
  height: 100%;
  background: var(--playlog-green);
  transition: width 0.2s ease;
}

.cache-explanation {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.4;
}

.inspector-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.btn-inspect-action {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 8px 10px;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.15s ease;
}

.btn-inspect-action:hover:not(:disabled) {
  background: rgba(74, 179, 244, 0.18);
  border-color: var(--playlog-blue);
}

.btn-inspect-action:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* BOTTOM DOCK */
#bottom-dock {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  pointer-events: none;
  z-index: 10;
  gap: 14px;
}

/* POWER-UP INVENTORY */
.powerup-bar {
  background: var(--surface-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: auto;
  box-shadow: 0 8px 24px rgba(0, 8, 20, 0.5);
}

.powerup-label-box {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-subtle);
  padding-right: 10px;
}

.powerup-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--playlog-green);
  letter-spacing: 0.8px;
}

.powerup-sub {
  font-size: 9px;
  color: var(--text-muted);
}

.powerup-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-main);
}

.powerup-btn:hover:not(:disabled) {
  background: rgba(54, 241, 205, 0.12);
  border-color: var(--playlog-green);
  transform: translateY(-2px);
}

.powerup-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  filter: grayscale(1);
}

.powerup-key {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 5px;
  border-radius: 4px;
  color: var(--playlog-blue);
}

.powerup-count {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  color: var(--playlog-green);
}

/* INFRASTRUCTURE SHOP */
.shop-bar {
  background: var(--surface-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: auto;
  box-shadow: 0 8px 24px rgba(0, 8, 20, 0.5);
}

.shop-header {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-subtle);
  padding-right: 10px;
}

.shop-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--playlog-blue);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.shop-sub {
  font-size: 9px;
  color: var(--text-muted);
}

.upgrade-buy-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.upgrade-buy-btn:hover:not(:disabled) {
  background: rgba(74, 179, 244, 0.15);
  border-color: var(--playlog-blue);
  transform: translateY(-2px);
}

.upgrade-buy-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.buy-title {
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 5px;
}

.buy-cost {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--playlog-green);
}

/* MODALS */
.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(3, 10, 23, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.modal-card {
  background: #07152b;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  padding: 34px;
  max-width: 620px;
  width: 90%;
  box-shadow: 0 0 50px rgba(0, 77, 159, 0.3), 0 24px 60px rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: center;
}

.modal-quote-tag {
  align-self: center;
  background: rgba(54, 241, 205, 0.1);
  border: 1px solid var(--playlog-green);
  color: var(--playlog-green);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
}

.modal-card h2 {
  font-size: 25px;
  font-weight: 900;
  color: #fff;
}

.modal-card p {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.concept-explain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  text-align: left;
}

.concept-box {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-subtle);
  padding: 12px;
  border-radius: 8px;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.concept-box-title {
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.concept-box-desc {
  font-size: 11.5px;
  color: var(--text-secondary);
  line-height: 1.45;
}

.upgrade-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
}

.upgrade-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 16px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.upgrade-item:hover {
  background: rgba(74, 179, 244, 0.12);
  border-color: var(--playlog-blue);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 77, 159, 0.3);
}

.upgrade-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--playlog-green);
  color: #030a17;
  font-size: 9px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}

.upgrade-icon {
  font-size: 22px;
}

.upgrade-title {
  font-size: 13.5px;
  font-weight: 800;
  color: #fff;
}

.upgrade-desc {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.btn-primary {
  background: linear-gradient(135deg, var(--playlog-blue), var(--playlog-dark-blue));
  border: 1px solid var(--playlog-blue);
  border-radius: 10px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 12px 26px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 6px 20px rgba(0, 77, 159, 0.5);
  font-family: var(--font-main);
}

.btn-primary:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
}

/* ACTIVE BUFF STATUS */
#active-powerup-indicator {
  position: absolute;
  top: 76px;
  right: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 10;
  pointer-events: none;
}

.powerup-pill {
  background: rgba(54, 241, 205, 0.15);
  border: 1px solid var(--playlog-green);
  color: var(--playlog-green);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(54, 241, 205, 0.2);
}

@keyframes fadeOut {
  0% { opacity: 0; transform: translateY(-4px); }
  10% { opacity: 0.95; transform: translateY(0); }
  85% { opacity: 0.95; }
  100% { opacity: 0; }
}