:root {
  --bg: #1a1714;
  --bg-panel: #23201c;
  --bg-panel-alt: #2c2822;
  --border: #3a352e;
  --text: #e8e0d4;
  --text-dim: #948a7a;
  --accent: #ce4d2a;
  --accent-hover: #e05a33;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  overflow: hidden;
}

#app {
  display: grid;
  grid-template-columns: 1fr 320px;
  grid-template-rows: 56px 1fr;
  grid-template-areas:
    "topbar topbar"
    "viewport sidebar";
  height: 100vh;
}

#topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
}

#topbar h1 {
  font-size: 18px;
  letter-spacing: 1px;
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
}

#model-toggle {
  display: flex;
  gap: 4px;
}

.model-btn {
  background: var(--bg-panel-alt);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 16px;
  cursor: pointer;
  font-size: 13px;
}

.model-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

#viewport-container {
  grid-area: viewport;
  position: relative;
  background: radial-gradient(circle at 50% 40%, #2a2620 0%, #14120f 100%);
}

#viewport {
  width: 100%;
  height: 100%;
  display: block;
}

#viewport-hint {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--text-dim);
  pointer-events: none;
}

#sidebar {
  grid-area: sidebar;
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

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

.tab-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 12px 0;
  cursor: pointer;
  font-size: 13px;
  border-bottom: 2px solid transparent;
}

.tab-btn.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.tab-panel {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 14px;
}

.tab-panel.active {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.panel-empty {
  color: var(--text-dim);
  font-size: 13px;
  text-align: center;
  margin-top: 30px;
}

.weapon-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.weapon-item {
  background: var(--bg-panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  text-align: left;
  padding: 8px 10px;
  font-size: 13px;
  cursor: pointer;
}

.weapon-item.active {
  border-color: var(--accent);
  color: var(--accent);
}

.weapon-skin-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.skin-chip {
  background: var(--bg-panel-alt);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
}

.skin-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

#weapon-search,
#cloth-search {
  background: var(--bg-panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  font-size: 13px;
  margin-bottom: 10px;
  width: 100%;
}

.cloth-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
}

.cloth-item {
  background: var(--bg-panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  text-align: left;
  padding: 8px 10px;
  font-size: 13px;
  cursor: pointer;
}

.cloth-item.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.cloth-item.selected {
  box-shadow: inset 0 0 0 1px var(--text);
}

.load-more-btn {
  background: var(--bg-panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px;
  font-size: 12px;
  cursor: pointer;
  margin-top: 6px;
}

.load-more-btn:hover {
  border-color: var(--accent);
}

.market-section {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.market-title {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0 0 8px;
}

.market-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  max-height: 260px;
  overflow-y: auto;
}

.market-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: var(--bg-panel-alt);
  border: 1px solid var(--border);
  padding: 6px;
  cursor: pointer;
  text-align: center;
}

.market-card:hover {
  border-color: var(--accent);
}

.market-card.loading {
  opacity: 0.5;
  pointer-events: none;
}

.market-card img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  background: #111;
}

.market-card .market-name {
  font-size: 11px;
  line-height: 1.2;
}

.market-card .market-price {
  font-size: 11px;
  color: var(--accent);
}