/* ── ICNS export modal ── */
.icns-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 1100;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.icns-overlay.open { display: flex; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }

.icns-modal {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 16px;
  padding: 28px;
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
}
.icns-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 8px;
  background: #222;
  color: #888;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .12s, color .12s;
}
.icns-close:hover { background: #2a2a2a; color: #fff; }

.icns-header { padding-right: 44px; }
.icns-title { font-size: 16px; font-weight: 600; color: #fff; line-height: 1.3; }
.icns-sub { font-size: 12px; color: #555; margin-top: 3px; }

/* checkerboard so transparency reads clearly */
.icns-preview-box {
  position: relative;
  align-self: center;
  border-radius: 14px;
  padding: 14px;
  background:
    conic-gradient(#2b2b2b 25%, #232323 0 50%, #2b2b2b 0 75%, #232323 0) 0 0 / 18px 18px;
  border: 1px solid #2a2a2a;
}
.icns-reset {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 8px;
  background: rgba(0,0,0,.45);
  color: #ccc;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transform: scale(.9);
  pointer-events: none;
  transition: background .12s, color .12s, opacity .18s ease, transform .18s ease;
  z-index: 1;
}
.icns-reset.show { opacity: 1; transform: scale(1); pointer-events: auto; }
.icns-reset:hover { background: rgba(0,0,0,.7); color: #fff; }
.icns-reset.show:active { transform: scale(.92); }
.icns-preview { width: 100%; max-width: 320px; height: auto; display: block; }

.icns-controls { display: flex; flex-direction: column; gap: 14px; }
.icns-row { display: flex; flex-direction: column; gap: 7px; }
.icns-label { font-size: 12px; color: #888; display: flex; justify-content: space-between; align-items: center; }
.icns-val { color: #fff; font-weight: 600; font-variant-numeric: tabular-nums; }

/* range sliders — the default-value notch is baked into the track via --tickx so
   the thumb sits over it when on the default */
.icns-range {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px; border-radius: 3px; cursor: pointer;
  background:
    linear-gradient(#8a8a8a, #8a8a8a) no-repeat,
    #333;
  background-size: 2px 100%, 100% 100%;
  background-position: calc(var(--tickx, -10px) - 1px) center, center;
}
.icns-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  border: none;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease;
}
.icns-range:hover::-webkit-slider-thumb { transform: scale(1.18); }
.icns-range:active::-webkit-slider-thumb { transform: scale(1.28); box-shadow: 0 0 0 6px rgba(255,255,255,.14); }
.icns-range::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  border: none;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease;
}
.icns-range:hover::-moz-range-thumb { transform: scale(1.18); }
.icns-range:active::-moz-range-thumb { transform: scale(1.28); box-shadow: 0 0 0 6px rgba(255,255,255,.14); }

/* shadow toggle — switch */
.icns-toggle { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: #ccc; cursor: pointer; user-select: none; }
.icns-toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.icns-switch {
  position: relative;
  flex-shrink: 0;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: #3a3a3a;
  transition: background .18s ease;
}
.icns-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,.35);
  transition: transform .18s ease;
}
.icns-toggle input:checked + .icns-switch { background: #34c759; }
.icns-toggle input:checked + .icns-switch::after { transform: translateX(18px); }
.icns-toggle input:focus-visible + .icns-switch { outline: 2px solid #3b66f6; outline-offset: 2px; }

/* the download button reuses the shared .btn / .btn-primary / .btn-size styles */

.icns-overlay .hidden { display: none !important; }