:root {
  --bg: #0e0f12;
  --panel: #16181d;
  --panel-2: #1c1f26;
  --line: #2a2e38;
  --text: #e7e9ee;
  --muted: #8b909c;
  --accent: #6ee7b7;
  --invalid: #ef4444;
  --grid-line: rgba(255, 255, 255, 0.06);
  --grid-line-strong: rgba(255, 255, 255, 0.12);

  --canvas-size: 540px;
  --grid-cols: 6;
  --cell: calc(var(--canvas-size) / var(--grid-cols));
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 -apple-system, BlinkMacSystemFont, "Inter", system-ui, sans-serif;
  height: 100%;
}

body {
  display: grid;
  grid-template-rows: auto 1fr;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand-mark {
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.brand-name {
  font-weight: 600;
}

.brand-sub {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.device-pill {
  font-size: 12px;
  color: var(--muted);
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.workspace {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 0;
}

.palette {
  border-right: 1px solid var(--line);
  background: var(--panel);
  padding: 16px;
  overflow-y: auto;
}

.panel-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin: 0 0 12px;
}

.palette-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.palette-tile {
  --pw: 1;
  --ph: 1;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  cursor: grab;
  user-select: none;
  display: grid;
  gap: 8px;
  transition: border-color 0.12s, transform 0.06s;
}

.palette-tile:hover {
  border-color: var(--grid-line-strong);
}

.palette-tile.dragging {
  opacity: 0.5;
}

.palette-tile.placed {
  opacity: 0.35;
  cursor: not-allowed;
}

.palette-tile-shape {
  display: grid;
  grid-template-columns: repeat(var(--pw), 14px);
  grid-template-rows: repeat(var(--ph), 14px);
  gap: 2px;
}

.palette-tile-shape > span {
  background: var(--accent);
  border-radius: 2px;
  opacity: 0.85;
}

.palette-tile-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
}

.palette-tile-name {
  font-weight: 500;
  font-size: 13px;
}

.palette-tile-size {
  font-size: 11px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.hint {
  margin-top: 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.canvas-wrap {
  display: grid;
  place-items: center;
  padding: 32px;
  gap: 16px;
  grid-template-rows: 1fr auto;
  min-height: 0;
}

.canvas {
  position: relative;
  width: var(--canvas-size);
  height: var(--canvas-size);
  background: #000;
  border-radius: 6px;
  overflow: hidden;
}

.grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(var(--grid-cols), 1fr);
  grid-template-rows: repeat(var(--grid-cols), 1fr);
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: var(--cell) var(--cell);
}

.cell {
  position: relative;
}

.cell.drop-ok {
  background: rgba(110, 231, 183, 0.15);
}

.cell.drop-bad {
  background: rgba(239, 68, 68, 0.18);
}

.bezel {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    circle at center,
    transparent 0,
    transparent calc(50% - 1px),
    rgba(0, 0, 0, 0.55) 50%,
    rgba(0, 0, 0, 0.85) 100%
  );
}

.placed-tile {
  position: absolute;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.06);
  container-type: size;
  cursor: grab;
  z-index: 2;
  color: #fff;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  overflow: hidden;
}

.placed-tile:hover {
  border-color: rgba(110, 231, 183, 0.4);
}

.placed-tile.dragging {
  opacity: 0.4;
}

.m {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 4cqmin;
  box-sizing: border-box;
  line-height: 1;
}

.m-clock {
  font-weight: 300;
  font-size: 70cqh;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.m-weather {
  display: grid;
  grid-template-rows: auto auto auto;
  justify-items: center;
  align-content: center;
  gap: 4cqh;
}
.m-weather .icon {
  font-size: 30cqh;
}
.m-weather .temp {
  font-size: 28cqh;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}
.m-weather .label {
  font-size: 9cqh;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.5);
}

.m-date {
  display: flex;
  align-items: baseline;
  gap: 6cqw;
}
.m-date .dow {
  font-size: 36cqh;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.m-date .num {
  font-size: 28cqh;
  color: rgba(255, 255, 255, 0.55);
  font-variant-numeric: tabular-nums;
}

.m-stat {
  display: flex;
  align-items: baseline;
  gap: 6cqw;
}
.m-stat .num {
  font-size: 46cqh;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}
.m-stat .label {
  font-size: 14cqh;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.5);
}

.m-sunrise {
  display: flex;
  gap: 6cqw;
  font-size: 26cqh;
  font-variant-numeric: tabular-nums;
}
.m-sunrise .dim {
  color: rgba(255, 255, 255, 0.55);
}

.m-hr {
  display: flex;
  align-items: baseline;
  gap: 3cqw;
}
.m-hr .heart {
  font-size: 36cqh;
  color: #ef4444;
}
.m-hr .num {
  font-size: 46cqh;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}

.m-mini {
  display: flex;
  align-items: baseline;
  gap: 2cqw;
}
.m-mini .num {
  font-size: 50cqh;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}
.m-mini .unit {
  font-size: 24cqh;
  color: rgba(255, 255, 255, 0.55);
}

.canvas-info {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.canvas-info button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
  font: inherit;
}

.canvas-info button:hover {
  border-color: var(--grid-line-strong);
}