:root {
  --bg: #0e1117;
  --panel: rgba(14, 18, 24, 0.8);
  --ink: #e9eef6;
  --muted: #9cb0ca;
  --stroke: rgba(233, 238, 246, 0.18);
  --accent: #62f0ba;
  --accent-2: #6da8ff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 550px at 8% -10%, rgba(109, 168, 255, 0.28), transparent 72%),
    radial-gradient(900px 480px at 100% 0%, rgba(98, 240, 186, 0.15), transparent 72%),
    linear-gradient(135deg, #090c11 0%, #121823 45%, #0b0f17 100%);
}

.app {
  width: min(1220px, 100% - 1.6rem);
  margin: 0 auto;
  padding: 0.4rem 0 1.2rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr) 340px;
  align-items: start;
}

.toySection {
  position: relative;
}

.toyBack {
  margin: 0 0 0.8rem;
}

.toyBack a {
  color: #93c7ff;
  text-decoration: none;
  font-weight: 600;
}

.toyBack a:hover {
  text-decoration: underline;
}

.stageWrap {
  position: relative;
  border: 1px solid var(--stroke);
  border-radius: 18px;
  padding: 0.85rem;
  background: rgba(7, 11, 17, 0.5);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03), 0 24px 48px rgba(0, 0, 0, 0.35);
}

.toyHeader h1 {
  margin: 0;
  font: 800 clamp(1.8rem, 3.4vw, 2.4rem) "Inter", system-ui, sans-serif;
  letter-spacing: 0;
}

.toyHeader p {
  margin: 0.3rem 0 0.75rem;
  color: var(--muted);
}

.dropZone {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.11);
  cursor: pointer;
  background: linear-gradient(180deg, rgba(16, 24, 35, 0.9), rgba(12, 17, 24, 0.9));
}

.dropZone.dragActive {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

#toyCanvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  max-height: 72vh;
}

.dropOverlay {
  position: absolute;
  inset: auto 0 0 0;
  display: grid;
  gap: 0.2rem;
  padding: 0.55rem 0.75rem 0.75rem;
  justify-items: center;
  background: linear-gradient(180deg, transparent, rgba(3, 5, 8, 0.82));
  color: #d7e5f9;
  text-align: center;
  pointer-events: none;
}

.dropOverlay strong {
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.dropOverlay span {
  color: #9db2cc;
  font-size: 0.8rem;
}

.hiddenInput {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.panel {
  position: sticky;
  top: 0.8rem;
  width: 100%;
  max-height: calc(100vh - 1.6rem);
  overflow: auto;
  border: 1px solid var(--stroke);
  border-radius: 14px;
  padding: 0.8rem;
  backdrop-filter: blur(8px);
  background: var(--panel);
}

.panelRow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.control {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.45rem;
}

.control span {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #d6e3f8;
  font-size: 0.84rem;
}

.control output {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
}

input[type="color"],
select,
.pill {
  width: 100%;
  min-height: 2rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--ink);
  background: rgba(22, 30, 43, 0.95);
}

.pill {
  cursor: pointer;
  font-weight: 700;
}

.pill.primary {
  background: linear-gradient(135deg, rgba(98, 240, 186, 0.18), rgba(109, 168, 255, 0.2));
}

.status {
  min-height: 1rem;
  margin: 0.35rem 0 0;
  color: #9ec8ff;
  font-size: 0.82rem;
}

@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
    padding-right: 0;
  }

  .panel {
    position: static;
    width: 100%;
    max-height: none;
  }
}