/* =============================================================================
   Harpia Games — Noise Generator tool
   Uses the site theme variables (style.css) so it tracks light/dark + brand.
   Sharp corners (--radius: 0) to match the rest of the site.
   ========================================================================== */

.noise-intro { margin-bottom: 1.75rem; }
.noise-intro p { color: var(--muted); max-width: 70ch; }

.noise-app {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: var(--gap);
  align-items: start;
}

/* ---- preview stage ------------------------------------------------------ */
.noise-stage-wrap { position: sticky; top: calc(var(--header-h) + 1rem); }

.noise-stage {
  position: relative;
  background: var(--bg-soft);
  border: 1px solid var(--card-edge);
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
}

.noise-stage canvas {
  width: 100%;
  max-width: 560px;
  height: auto;
  aspect-ratio: 1 / 1;
  display: block;
  image-rendering: pixelated;           /* show true texels when upscaled */
  box-shadow: 0 6px 24px rgba(0, 0, 0, .35);
}
.noise-stage.is-tiled [data-noise-canvas] { display: none; }
.noise-stage [data-noise-tile] { display: none; }
.noise-stage.is-tiled [data-noise-tile] { display: block; }

.noise-busy {
  position: absolute;
  inset: auto .75rem .75rem auto;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #1b1226;
  background: var(--accent);
  padding: .25rem .6rem;
}

.noise-stage-foot {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: .75rem;
  font-size: .85rem;
  color: var(--muted);
  flex-wrap: wrap;
}
.noise-badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-weight: 600;
  color: var(--accent);
}

.noise-engine {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: .15rem .45rem;
  border: 1px solid var(--card-edge);
  color: var(--muted);
}
.noise-engine.is-gpu { border-color: var(--accent); color: var(--accent); }

/* ---- controls panel ----------------------------------------------------- */
.noise-controls {
  background: var(--card);
  border: 1px solid var(--card-edge);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.noise-group-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: -.35rem;
}

/* segmented method switch */
.noise-seg {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  border: 1px solid var(--card-edge);
}
.noise-shuffle { width: 100%; margin-top: .5rem; padding: .55rem .7rem; }
.noise-seg button {
  appearance: none;
  background: transparent;
  color: var(--text);
  border: 0;
  border-right: 1px solid var(--card-edge);
  padding: .55rem .4rem;
  font: inherit;
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  transition: .12s;
}
.noise-seg button:last-child { border-right: 0; }
.noise-seg button:hover { color: var(--accent); }
.noise-seg button.is-active { background: var(--accent); color: #1b1226; }

/* a labelled control row */
.noise-field { display: flex; flex-direction: column; gap: .4rem; }
.noise-field .row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: .9rem;
}
.noise-field .row label { font-weight: 600; }
.noise-field .val {
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  font-weight: 600;
  font-size: .85rem;
}

.noise-field input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}

/* checkbox + select rows */
.noise-check {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
}
.noise-check input { accent-color: var(--accent); width: 1.05rem; height: 1.05rem; cursor: pointer; }

.noise-select { display: none; flex-direction: column; gap: .4rem; }
.noise-app.show-gradient .noise-select { display: flex; }
.noise-select select {
  width: 100%;
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--card-edge);
  padding: .5rem .6rem;
  font: inherit;
  cursor: pointer;
}

.noise-seed {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
}
.noise-seed .val { color: var(--muted); font-variant-numeric: tabular-nums; font-size: .82rem; }
.noise-mini {
  appearance: none;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--card-edge);
  padding: .4rem .7rem;
  font: inherit;
  font-weight: 600;
  font-size: .85rem;
  cursor: pointer;
  transition: .12s;
}
.noise-mini:hover { border-color: var(--accent); color: var(--accent); }

.noise-divider { height: 1px; background: var(--card-edge); margin: .1rem 0; }

/* export block */
.noise-export { display: flex; flex-direction: column; gap: .6rem; }
.noise-export .btn-primary {
  width: 100%;
  text-align: center;
  padding: .95rem 1rem;
  font-size: 1.05rem;
  letter-spacing: .01em;
}
.noise-export .btn-row { display: flex; gap: .6rem; }
.noise-export .btn-row .noise-mini { flex: 1; text-align: center; padding: .6rem; }

/* ---- support note (includes/tool-support.php, shared by every tool) ----- */
.tool-support {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-top: 2rem;
  padding: .9rem 1.1rem;
  border: 1px solid var(--card-edge);
  border-left: 3px solid var(--accent);
  background: var(--bg-soft);
  font-size: .9rem;
  color: var(--muted);
}
.tool-support strong { color: var(--text); }
.tool-support-heart {
  flex: none;
  fill: #ff4d6d;
  transform-origin: center;
  transition: transform .2s;
}
.tool-support:hover .tool-support-heart { animation: tool-heartbeat 1s ease-in-out infinite; }
@keyframes tool-heartbeat {
  0%, 100% { transform: scale(1); }
  15% { transform: scale(1.18); }
  30% { transform: scale(1); }
  45% { transform: scale(1.12); }
}
@media (prefers-reduced-motion: reduce) {
  .tool-support:hover .tool-support-heart { animation: none; }
}
.tool-support a { color: var(--accent); font-weight: 600; }
.tool-support a:hover { text-decoration: underline; }

/* ---- support prompt after downloads (includes/tool-support.php) -------- */
.support-modal {
  margin: auto;
  width: min(440px, calc(100vw - 2rem));
  padding: 2rem 1.75rem 1.4rem;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--card-edge);
  border-top: 4px solid var(--accent);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
  text-align: center;
}
.support-modal::backdrop { background: rgba(10, 9, 18, .62); backdrop-filter: blur(2px); }
.support-modal[open] { animation: support-pop .22s ease-out; }
@keyframes support-pop { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: none; } }

.support-modal-close-form { position: absolute; top: .5rem; right: .5rem; }
.support-modal-x {
  appearance: none; background: none; border: 0; color: var(--muted);
  font-size: 1rem; width: 2rem; height: 2rem; cursor: pointer;
}
.support-modal-x:hover { color: var(--accent); }
.support-modal-heart { fill: #ff4d6d; display: block; margin: 0 auto .6rem; animation: tool-heartbeat 1.2s ease-in-out 2; }
.support-modal-kicker { font-size: .82rem; font-weight: 700; color: #3fb950; margin-bottom: .35rem; }
.support-modal h2 { font-size: 1.4rem; margin-bottom: .55rem; }
.support-modal-text { color: var(--muted); font-size: .95rem; line-height: 1.55; margin-bottom: 1.3rem; }
.support-modal-actions { display: flex; flex-direction: column; gap: .6rem; }
.support-modal-actions .btn { text-align: center; text-decoration: none; }
.support-modal-actions .btn-primary { font-size: 1.05rem; padding: .85rem 1rem; }
.support-modal-later {
  appearance: none; background: none; border: 0; margin-top: .9rem;
  color: var(--muted); font: inherit; font-size: .85rem; cursor: pointer; text-decoration: underline;
}
.support-modal-later:hover { color: var(--text); }
@media (prefers-reduced-motion: reduce) {
  .support-modal[open], .support-modal-heart { animation: none; }
}

/* ---- guide / FAQ / related tools under each tool ------------------------- */
.tool-guide { margin-top: 3rem; }
.tool-guide-block { max-width: 78ch; margin-bottom: 2.5rem; }
.tool-guide-block h2 { font-size: 1.45rem; margin-bottom: .8rem; }
.tool-guide-block h3 { font-size: 1.05rem; margin: 1.2rem 0 .4rem; }
.tool-guide-block p,
.tool-guide-block li { color: var(--muted); line-height: 1.65; }
.tool-guide-block p + p { margin-top: .7rem; }
.tool-guide-block ol,
.tool-guide-block ul { padding-left: 1.3rem; margin: .7rem 0; display: flex; flex-direction: column; gap: .35rem; }
.tool-guide-block strong { color: var(--text); }
.tool-guide-block code {
  font-family: ui-monospace, Consolas, monospace;
  font-size: .88em;
  background: var(--bg-soft);
  border: 1px solid var(--card-edge);
  padding: .05rem .35rem;
  color: var(--text);
}
.tool-guide-block pre {
  margin-top: .8rem;
  overflow-x: auto;
  background: var(--bg-soft);
  border: 1px solid var(--card-edge);
  padding: 1rem 1.1rem;
  font-size: .85rem;
  line-height: 1.55;
}
.tool-guide-block pre code { background: none; border: 0; padding: 0; }

.tool-faq { border-bottom: 1px solid var(--card-edge); }
.tool-faq summary {
  cursor: pointer;
  padding: .85rem 0;
  font-weight: 600;
  color: var(--text);
  list-style-position: outside;
}
.tool-faq summary:hover { color: var(--accent); }
.tool-faq p { padding-bottom: .9rem; }

.tool-related { max-width: none; }
.tool-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--gap);
}
.tool-related-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--card-edge);
  color: inherit;
  text-decoration: none;
  transition: .18s;
}
.tool-related-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.tool-related-card img { width: 100%; height: auto; aspect-ratio: 1200 / 630; object-fit: cover; display: block; }
.tool-related-body { display: flex; flex-direction: column; gap: .2rem; padding: .8rem 1rem 1rem; }
.tool-related-tag { font-size: .78rem; font-weight: 600; color: var(--accent); }
.tool-related-all { margin-top: 1rem; }
.tool-related-all a { color: var(--accent); font-weight: 600; }

/* ---- responsive --------------------------------------------------------- */
@media (max-width: 900px) {
  .noise-app { grid-template-columns: 1fr; }
  .noise-stage-wrap { position: static; }
  .noise-stage canvas { max-width: 420px; }
}