* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --bg: #0b1015;
  --panel: rgba(12, 18, 24, .94);
  --panel2: rgba(21, 30, 39, .94);
  --line: rgba(255,255,255,.14);
  --text: #f4f7f8;
  --muted: #aab7c2;
  --accent: #2f9cff;
  --danger: #ff5d67;
}

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  touch-action: none;
}

button, select, input {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  color: var(--text);
  background: #22313d;
  border-radius: 10px;
  padding: 9px 11px;
  font-weight: 800;
  font-size: 11px;
  letter-spacing: .25px;
}

button:active {
  transform: scale(.98);
}

button.primary {
  background: var(--accent);
  border-color: rgba(255,255,255,.28);
}

button.active {
  outline: 2px solid rgba(47,156,255,.65);
  background: #244a68;
}

button.danger {
  background: #702c34;
}

button.danger-soft {
  background: #42252a;
}

.hidden {
  display: none !important;
}

#renderCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  outline: none;
  touch-action: none;
}

#topbar {
  position: fixed;
  top: max(8px, env(safe-area-inset-top));
  left: 8px;
  right: 8px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
}

.brand,
.top-actions,
#stats,
#catalog,
#transformPanel,
#qualityPanel,
#minimapWrap,
#playHint,
#actionButtons {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 10px 34px rgba(0,0,0,.28);
  backdrop-filter: blur(9px);
}

.brand {
  pointer-events: auto;
  padding: 8px 11px;
  border-radius: 12px;
  display: flex;
  gap: 7px;
  align-items: baseline;
}

.brand strong {
  font-size: 12px;
}

.brand span {
  color: var(--muted);
  font-size: 10px;
}

.top-actions {
  pointer-events: auto;
  border-radius: 12px;
  padding: 5px;
  display: flex;
  gap: 5px;
  max-width: 70vw;
  overflow-x: auto;
}

#stats {
  position: fixed;
  top: 62px;
  left: 8px;
  z-index: 42;
  display: flex;
  gap: 8px;
  padding: 6px 9px;
  border-radius: 10px;
  font-size: 10px;
  pointer-events: none;
}

#stats span + span {
  border-left: 1px solid var(--line);
  padding-left: 8px;
}

#adminHud {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
}

#catalog {
  position: absolute;
  left: 8px;
  top: 96px;
  width: min(330px, 58vw);
  max-height: 47vh;
  overflow: auto;
  border-radius: 14px;
  padding: 9px;
  pointer-events: auto;
}

.panel-title {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .8px;
  color: var(--muted);
  margin: 2px 2px 7px;
}

.category-tabs {
  display: flex;
  gap: 5px;
  overflow-x: auto;
  margin-bottom: 7px;
  padding-bottom: 2px;
}

.category-tabs button {
  flex: 0 0 auto;
  padding: 7px 8px;
  font-size: 9px;
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 6px;
}

.asset-grid button {
  min-height: 46px;
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
}

.asset-grid button small {
  font-weight: 500;
  color: var(--muted);
  font-size: 9px;
}

.catalog-footer {
  display: flex;
  gap: 6px;
  margin-top: 7px;
}

.catalog-footer button {
  flex: 1;
}

#transformPanel {
  position: absolute;
  right: 8px;
  top: 96px;
  width: min(250px, 44vw);
  border-radius: 14px;
  padding: 9px;
  pointer-events: auto;
}

.selected-name {
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 8px;
}

.transform-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 5px;
  margin-top: 6px;
}

.transform-row button {
  min-width: 0;
  padding: 8px 4px;
}

#duplicateBtn,
#deleteSelectedBtn {
  grid-column: span 2;
}

.range-label {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 7px;
  align-items: center;
  margin-top: 8px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
}

.range-label input {
  width: 100%;
}

.toggle-line {
  display: flex;
  gap: 7px;
  align-items: center;
  margin-top: 8px;
  font-size: 10px;
  color: var(--muted);
  font-weight: 800;
}

#qualityPanel {
  position: absolute;
  right: 8px;
  bottom: 86px;
  padding: 8px;
  border-radius: 12px;
  pointer-events: auto;
  display: flex;
  gap: 6px;
  align-items: flex-end;
}

#qualityPanel label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 900;
}

#qualityPanel select {
  background: #22313d;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px;
  font-size: 10px;
}

#playHud {
  position: fixed;
  inset: 0;
  z-index: 41;
  pointer-events: none;
}

#playHint {
  position: absolute;
  left: 50%;
  top: 72px;
  transform: translateX(-50%);
  padding: 7px 10px;
  border-radius: 10px;
  font-size: 10px;
  color: var(--muted);
  white-space: nowrap;
}

#actionButtons {
  position: absolute;
  right: 10px;
  bottom: 92px;
  padding: 7px;
  border-radius: 14px;
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 7px;
  pointer-events: auto;
}

#actionButtons #interactBtn {
  grid-column: span 2;
}

.joystick {
  position: fixed;
  left: 16px;
  bottom: max(18px, env(safe-area-inset-bottom));
  width: 126px;
  height: 126px;
  z-index: 60;
  touch-action: none;
  user-select: none;
}

.joy-base {
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: rgba(18,28,36,.56);
  border: 2px solid rgba(255,255,255,.18);
  box-shadow: inset 0 0 20px rgba(0,0,0,.2);
}

.joy-knob {
  position: absolute;
  width: 52px;
  height: 52px;
  left: 37px;
  top: 37px;
  border-radius: 50%;
  background: rgba(59,156,232,.82);
  border: 2px solid rgba(255,255,255,.4);
  box-shadow: 0 4px 18px rgba(0,0,0,.3);
  transform: translate(0,0);
}

#minimapWrap {
  position: fixed;
  right: 8px;
  bottom: max(8px, env(safe-area-inset-bottom));
  z-index: 38;
  width: 120px;
  height: 120px;
  border-radius: 14px;
  padding: 5px;
  pointer-events: none;
}

#minimap {
  width: 100%;
  height: 100%;
  border-radius: 10px;
  display: block;
}

#toast {
  position: fixed;
  z-index: 100;
  left: 50%;
  bottom: 156px;
  transform: translateX(-50%);
  background: rgba(7,10,13,.9);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 12px;
  font-size: 11px;
  opacity: 0;
  transition: opacity .18s;
  pointer-events: none;
  max-width: 80vw;
  text-align: center;
}

#toast.show {
  opacity: 1;
}

@media (max-width: 680px) {
  #topbar {
    align-items: flex-start;
  }

  .brand {
    max-width: 34vw;
    overflow: hidden;
    white-space: nowrap;
  }

  #catalog {
    width: 56vw;
    top: 91px;
    max-height: 44vh;
  }

  #transformPanel {
    top: 91px;
    width: 40vw;
  }

  .asset-grid {
    grid-template-columns: 1fr;
  }

  #qualityPanel {
    right: 8px;
    bottom: 136px;
    flex-direction: column;
    align-items: stretch;
  }

  #qualityPanel button {
    padding: 7px;
  }

  #minimapWrap {
    width: 104px;
    height: 104px;
    bottom: 8px;
  }

  #playHint {
    top: 66px;
    max-width: 78vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}