/* ════════════════════════════════════════════════════════════════════
   INFILL & LAYER VISUALIZER
   Reskinned to the shared MakerX utility look (dark + green-neon).
   Data-bearing colours (gyroid orange, corner cyan) live in the canvas JS.
   ════════════════════════════════════════════════════════════════════ */

/* ── Tokens (shared MakerX palette; main.min.css provides white/grey/neon) ── */
:root {
  --bg:       #0b0e14;
  --surface:  rgba(26,74,26,.28);
  --surface2: rgba(26,74,26,.45);
  --border:   rgba(62,198,62,.14);
  --accent:   var(--green-neon);
}

/* ── Hero (matches the other utility pages) ── */
.tool-hero { padding: 90px 48px 28px; max-width: 1200px; margin: 0 auto; position: relative; overflow: hidden; }
.tool-hero h1 { font-family: 'Rajdhani', sans-serif; font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 700; color: var(--white); line-height: 1.1; margin-bottom: 16px; }
.tool-hero h1 em { font-style: normal; color: var(--green-neon); }
.tool-hero p { font-family: 'Exo 2', sans-serif; font-size: 1rem; color: var(--grey); max-width: 640px; line-height: 1.75; }
.tool-hero-glow {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse at 50% 0%, rgba(62,198,62,.13) 0%, transparent 70%);
  pointer-events: none;
}
@media (max-width: 820px) { .tool-hero { padding: 70px 20px 22px; } }

/* ── Layout ── */
.app { position: relative; z-index: 1; max-width: 1200px; margin: 0 auto; padding: 8px 48px 80px; }
@media (max-width: 820px) { .app { padding: 8px 20px 60px; } }

.viz-layout { display: grid; grid-template-columns: 280px 1fr; gap: 20px; }
@media (max-width: 700px) { .viz-layout { grid-template-columns: 1fr; } }

/* ── Panels (translucent at rest, green fill on hover — site card convention) ── */
.controls-panel, .canvas-wrap {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  transition: background .2s, border-color .2s;
}
.controls-panel { padding: 22px; display: flex; flex-direction: column; gap: 18px; }
.controls-panel:hover, .canvas-wrap:hover { background: rgba(30,80,30,.92); border-color: rgba(62,198,62,.40); }
.canvas-wrap { display: flex; flex-direction: column; overflow: hidden; }

.section-title {
  font-family: 'Rajdhani', sans-serif; font-size: .7rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase; color: var(--green-neon);
  padding-bottom: 10px; border-bottom: 1px solid var(--border);
}

/* ── Controls ── */
.control-group label {
  display: block; font-family: 'Rajdhani', sans-serif; font-size: .8rem; font-weight: 600;
  letter-spacing: .14em; color: var(--grey); text-transform: uppercase; margin-bottom: 10px;
}
.control-group .val { float: right; color: var(--green-neon); font-weight: 700; }

input[type=range] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 3px;
  background: linear-gradient(90deg, rgba(62,198,62,.55), rgba(62,198,62,.12));
  outline: none; cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--green-neon); border: 2px solid #0b0e14; box-shadow: 0 0 8px rgba(62,198,62,.5); cursor: pointer;
}
input[type=range]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; background: var(--green-neon); border: 2px solid #0b0e14; cursor: pointer;
}

/* ── Pattern buttons (seg-btn style) ── */
.pattern-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.pat-btn {
  padding: 8px 6px; background: transparent; border: 1px solid var(--border); color: var(--grey);
  font-family: 'Rajdhani', sans-serif; font-size: .82rem; font-weight: 600; letter-spacing: .05em;
  text-transform: uppercase; cursor: pointer; transition: all .15s; border-radius: 6px;
}
.pat-btn:hover { border-color: rgba(255,255,255,.2); color: var(--white); }
.pat-btn.active { background: rgba(30,80,30,.92); border-color: var(--green-neon); color: var(--green-neon); }

/* ── Canvas ── */
.canvas-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  font-family: 'Rajdhani', sans-serif; font-size: .82rem; letter-spacing: .06em; color: var(--grey2);
}
.canvas-header span { color: var(--green-neon); font-weight: 600; }
canvas { display: block; width: 100%; max-height: 420px; }

.stats-row { display: flex; gap: 0; border-top: 1px solid var(--border); }
.stat { flex: 1; padding: 14px 16px; border-right: 1px solid var(--border); }
.stat:last-child { border-right: none; }
.stat-label { font-family: 'Rajdhani', sans-serif; font-size: .66rem; color: var(--grey2); letter-spacing: .18em; text-transform: uppercase; }
.stat-val { font-family: 'Rajdhani', sans-serif; font-size: 1.4rem; color: var(--green-neon); font-weight: 700; margin-top: 4px; line-height: 1; }