:root {
  --bg: #16110e;
  --panel: #231b16;
  --panel-2: #2c221c;
  --ink: #f6ece3;
  --muted: #cbb8a6;
  --line: #3d3028;
  --accent: #e08a4c;
  --accent-2: #f0c38a;
  --danger: #d46a5c;
  --ok: #8fbf7a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans KR", sans-serif;
}

body {
  background-image:
    radial-gradient(ellipse at top, #2a1d16 0%, transparent 55%),
    radial-gradient(circle at 18% 12%, rgba(240, 195, 138, 0.08), transparent 18%),
    radial-gradient(circle at 82% 8%, rgba(224, 138, 76, 0.08), transparent 16%);
}

.app {
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(22, 17, 14, 0.88);
  backdrop-filter: blur(8px);
}

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

.logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, #e08a4c, #a85a32);
  color: #fff8ef;
  font-size: 22px;
  box-shadow: 0 6px 16px rgba(168, 90, 50, 0.35);
}

h1,
h2 {
  font-family: Jua, sans-serif;
  font-weight: 400;
  margin: 0;
}

h1 {
  font-size: 26px;
  letter-spacing: 0.02em;
}

.brand p,
.hint,
.help,
.save-dot {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

button {
  font-family: inherit;
  font-weight: 500;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--ink);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
  color: var(--accent-2);
}

button.danger:hover {
  border-color: var(--danger);
  color: #ffd4ce;
}

button.active {
  background: #3a2a20;
  border-color: var(--accent);
  color: var(--accent-2);
}

.save-dot::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
}

.layout {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 250px 1fr;
}

.palette {
  border-right: 1px solid var(--line);
  background: rgba(35, 27, 22, 0.92);
  padding: 16px;
  overflow: auto;
}

.palette h2 {
  font-size: 20px;
  margin-bottom: 4px;
}

.catalog {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 8px 8px;
  background: #1b1512;
  min-height: 128px;
}

.item img {
  width: 100%;
  height: 72px;
  object-fit: contain;
  image-rendering: auto;
}

.item .name {
  font-size: 13px;
}

.item .size {
  font-size: 11px;
  color: var(--muted);
}

.stage {
  position: relative;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

#room {
  flex: 1;
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
  touch-action: none;
}

.help {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 12px;
  text-align: center;
  pointer-events: none;
  text-shadow: 0 1px 8px #16110e;
}

@media (max-width: 800px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: 180px 1fr;
  }

  .palette {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .catalog {
    grid-auto-flow: column;
    grid-template-columns: none;
    overflow-x: auto;
  }

  .item {
    width: 112px;
    min-height: 120px;
  }
}