/* Laboratório de wavelets — figuras interativas do post */
.wl-fig {
  margin: 1.8em 0; padding: 18px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius);
  font-family: var(--sans); font-size: 15px; line-height: 1.5;
}
.wl-wide { width: min(1000px, calc(100vw - 32px)); margin-left: calc(50% - min(500px, 50vw - 16px)); }
.wl-fig canvas { display: block; width: 100%; touch-action: pan-y; }
.wl-fig canvas:focus-visible { outline: 2px solid var(--leaf); outline-offset: 2px; }
.wl-fig figcaption { margin-top: 12px; }
.wl-step { font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--leaf); margin: 0 0 4px; }
.wl-title { font-family: var(--serif); font-weight: 600; font-size: 19px; margin: 0 0 10px; }
.wl-hint { color: var(--muted); font-size: 14px; margin: 0 0 10px; }
.wl-bar { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin: 10px 0; }
.wl-out { font-variant-numeric: tabular-nums; color: var(--ink); font-weight: 500; }
.wl-readout { font-variant-numeric: tabular-nums; font-size: 14px; color: var(--ink); background: var(--bg); border-radius: 10px; padding: 8px 12px; margin-top: 10px; }
.wl-btn {
  font: 500 14px var(--sans); border: 1px solid var(--line); background: var(--bg); color: var(--ink);
  border-radius: 999px; padding: 6px 14px; cursor: pointer; transition: border-color .2s;
}
.wl-btn:hover { border-color: var(--accent); }
.wl-btn[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--surface); }
.wl-link { font: 500 13px var(--sans); background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; text-decoration: underline; text-underline-offset: 3px; }
.wl-play[aria-pressed="true"] .wl-on, .wl-play[aria-pressed="false"] .wl-off, .wl-play:not([aria-pressed]) .wl-off { display: inline; }
.wl-play[aria-pressed="true"] .wl-off, .wl-play[aria-pressed="false"] .wl-on, .wl-play:not([aria-pressed]) .wl-on { display: none; }
.wl-fig input[type="range"] { accent-color: var(--accent); width: 100%; }
.wl-fig input[type="number"], .wl-fig select {
  font: 14px var(--sans); color: var(--ink); background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px; padding: 5px 8px; width: 100%;
}
.wl-slider { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; flex: 1 1 260px; }
.wl-controls { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px 22px; margin: 14px 0; }
.wl-controls label, .wl-cycle label { display: grid; gap: 4px; font-size: 13.5px; color: var(--muted); }
.wl-controls label .wl-out { font-size: 13.5px; }
.wl-row { display: flex; justify-content: space-between; gap: 8px; }
.wl-cycles { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px; margin: 8px 0; }
.wl-cycle { display: grid; gap: 8px; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); }
.wl-cycle-head { display: flex; justify-content: space-between; align-items: baseline; font-size: 14px; }
.wl-cycle label { grid-template-columns: 1fr; }
.wl-mf-grid { display: grid; grid-template-columns: 1fr 250px; gap: 16px; align-items: start; }
.wl-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; color: var(--muted); margin-top: 6px; }
.wl-key { display: inline-block; width: 18px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 6px; }
.wl-key-accent { background: var(--accent); }
.wl-key-muted { background: var(--muted); }
.wl-key-leaf { background: var(--leaf); height: 5px; }
.wl-key-ink { background: var(--ink); height: 2px; }
.wl-status { font-size: 13px; color: var(--muted); }
.wl-two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.wl-try { margin: 0 0 1.2em; padding-left: 1.2em; }
.wl-try li { margin: 0 0 .5em; }
.todo { background: var(--leaf-soft); border-radius: 6px; padding: 1px 6px; }
details.wl-more summary { cursor: pointer; font-weight: 600; font-size: 14px; color: var(--accent); margin: 6px 0; }
@media (max-width: 820px) {
  .wl-fig { padding: 14px; }
  .wl-mf-grid, .wl-two { grid-template-columns: 1fr; }
}