/* Shape Builder by SWC styles */
:root {
  --bg1: #0b0f1a;
  --bg2: #101936;
  --bg3: #0f1330;
  --accent1: #5cf1ff;
  --accent2: #9d7bff;
  --accent3: #ff66c4;
  --good: #78ffa1;
  --warn: #ffd26a;
  --danger: #ff6b6b;
  --glow: 0 0 40px rgba(156, 124, 255, 0.35), 0 0 80px rgba(92, 241, 255, 0.25);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Outfit", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  color: #e9f3ff;
  background:
    radial-gradient(80rem 40rem at 10% -10%, rgba(157,123,255,0.12), transparent 60%),
    radial-gradient(70rem 50rem at 110% 20%, rgba(92,241,255,0.10), transparent 60%),
    linear-gradient(180deg, var(--bg2), var(--bg1));
  letter-spacing: 0.2px;
}

.app { max-width: 1200px; margin: 0 auto; padding: 16px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  box-shadow: var(--glow);
  backdrop-filter: blur(8px);
}
.topbar h1 { margin: 0; font-weight: 700; letter-spacing: 0.5px; }
.topbar h1 .by { color: var(--accent1); text-shadow: 0 0 16px rgba(92,241,255,0.5); }
.actions .btn { margin-left: 8px; }

.controls {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.prompt-card, .param-card {
  padding: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  box-shadow: var(--glow);
  backdrop-filter: blur(6px);
}

.prompt-card label { display:block; margin-bottom: 6px; opacity: 0.9; }
#prompt {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.12);
  background: rgba(15,19,48,0.6); color: #e9f3ff; resize: vertical;
}

.prompt-actions { margin-top: 10px; display: flex; gap: 10px; }

.param-card h2 { margin: 0 0 10px 0; font-size: 18px; }
.param-card .grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
}
.param-card label {
  display: grid; gap:6px; font-size: 13px;
}
.param-card input, .param-card select {
  width: 100%; padding: 10px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.12);
  background: rgba(15,19,48,0.6); color: #e9f3ff;
}

.stage {
  display: grid; grid-template-columns: 1fr 320px; gap: 16px; margin-top: 16px;
  align-items: flex-start;
}

.canvas-wrap {
  padding: 10px; border-radius: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--glow);
}

svg { display: block; width: 100%; height: auto; }
svg .backdrop {
  fill: url(#bgGradient);
  fill: rgba(16,25,54,0.6);
  stroke: rgba(255,255,255,0.06);
}

.variants {
  padding: 12px;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  box-shadow: var(--glow);
  max-height: 520px; overflow: auto;
}
.variants h3 { margin: 0 0 10px 0; }
.variant-list { display: grid; grid-template-columns: 1fr; gap: 10px; }
.variant {
  display: grid; grid-template-columns: 100px 1fr; gap: 10px; align-items: center;
  padding: 8px; border-radius: 12px;
  background: rgba(15,19,48,0.6);
  border: 1px solid rgba(255,255,255,0.08);
  cursor: pointer;
}
.variant:hover { border-color: rgba(92,241,255,0.5); box-shadow: 0 0 0 2px rgba(92,241,255,0.2) inset; }

.btn {
  padding: 10px 14px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.12);
  background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04));
  color: #e9f3ff; cursor: pointer;
  transition: transform .06s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: linear-gradient(180deg, rgba(157,123,255,0.5), rgba(92,241,255,0.25)); }
.btn.alt { background: linear-gradient(180deg, rgba(92,241,255,0.35), rgba(157,123,255,0.25)); }
.btn.ghost { background: transparent; }

.foot { margin: 16px 0; opacity: 0.8; text-align: center; }