:root {
  --bg: #0d0d0d;
  --panel: #1a1a1a;
  --accent: #e60073; /* neon magenta-merah */
  --accent2: #9900ff; /* neon ungu */
  --muted: #aaaaaa;
  --pixel-border: rgba(255, 255, 255, 0.05);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: var(--bg);
  color: #f2f2f2;
}

.app {
  max-width: 980px;
  margin: 18px auto;
  padding: 18px;
  background: var(--panel);
  border-radius: 14px;
  box-shadow: 0 0 25px rgba(153, 0, 255, 0.4);
}

header h1 {
  margin: 0;
  font-size: 22px;
  color: var(--accent2);
  text-shadow: 0 0 6px var(--accent2);
}
.subtitle {
  margin: 4px 0 14px;
  font-size: 13px;
  color: var(--muted);
}

.toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.toolbar .left, .toolbar .center, .toolbar .right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.toolbar label {
  font-size: 13px;
  color: #ddd;
}

#palette {
  display: inline-flex;
  border: 1px solid #333;
  border-radius: 6px;
  overflow: hidden;
  background: #111;
}
.swatch {
  width: 26px;
  height: 26px;
  cursor: pointer;
  border-right: 1px solid #222;
}
.swatch:last-child {
  border-right: 0;
}
.swatch.active {
  outline: 2px solid var(--accent);
}

#gridWrapper {
  display: flex;
  justify-content: center;
  background: #111;
  padding: 10px;
  border-radius: 10px;
  box-shadow: inset 0 0 10px rgba(255, 255, 255, 0.05);
}
#grid {
  display: grid;
  border-radius: 6px;
  background: #111;
  border: 2px solid #222;
  padding: 6px;
}
.pixel {
  width: 20px;
  height: 20px;
  background: #1a1a1a;
  border: 1px solid var(--pixel-border);
  cursor: pointer;
}
.pixel.no-border {
  border: 0;
}

button {
  padding: 7px 12px;
  border-radius: 6px;
  border: none;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #fff;
  cursor: pointer;
  font-weight: 500;
  box-shadow: 0 0 10px var(--accent), 0 0 20px var(--accent2);
  transition: all 0.2s ease-in-out;
}
button:hover {
  opacity: 0.9;
  transform: scale(1.05);
  box-shadow: 0 0 12px var(--accent2), 0 0 25px var(--accent);
}

input[type="color"],
select,
input[type="range"] {
  background: #111;
  border: 1px solid #333;
  color: #fff;
  border-radius: 6px;
  padding: 4px;
}

footer {
  margin-top: 16px;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  padding-top: 10px;
  border-top: 1px solid #222;
  opacity: 0.8;
}

@media (max-width:700px) {
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .toolbar .left,
  .toolbar .center,
  .toolbar .right {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}