/* Pattern builder + gallery filters of /zauberwuerfel-muster/ (site/assets/js/muster-baukasten.js). Light card in the site
   colors, every button at least 44 px, one column up to 760 px, cube left + net right above that. */
.mu-filter { margin: 18px 0 0; padding: 12px; background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius); }
.mu-frow { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 8px; }
.mu-flabel { flex: 0 0 100%; font-weight: 700; font-size: .92rem; }
.mu-filter .btn, .mu-build .btn, .mb .btn { min-height: 44px; min-width: 44px; white-space: normal; text-align: center; }
.mu-filter .btn[aria-pressed="true"], .mb-tabs .btn[aria-pressed="true"], .mb-faces .btn[aria-pressed="true"] { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.mu-fcount { display: flex; flex-wrap: wrap; align-items: center; gap: 0 14px; margin: 4px 0 0; font-size: .92rem; color: var(--muted); }
.mu-fcount a { display: inline-flex; align-items: center; min-height: 44px; }
.mu-build { margin: 4px 0 0; }
.mu-card[hidden] { display: none; }

.mb-wrap { margin-top: 32px; scroll-margin-top: 70px; }
.mb-wrap > p { max-width: 760px; }
.mb { position: relative; margin: 1em 0 1.4em; padding: 14px; background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.mb-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin-bottom: 12px; }
.mb-label { display: block; font-weight: 700; margin: 8px 0 6px; }
.mb-input { display: block; width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--text); font: 16px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; overflow-wrap: anywhere; }
textarea.mb-input { min-height: 64px; resize: vertical; }
.mb-name { min-height: 44px; font-family: inherit; }
.mb-input:focus, .mb-select:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.mb-input[aria-invalid="true"] { border-color: var(--bad); }
.mb-echo { margin: 8px 0 0; padding: 8px 10px; border-radius: 8px; background: var(--bg3); font: .95rem/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; }
.mb-echo mark { background: color-mix(in srgb, var(--bad) 22%, transparent); color: inherit; border-bottom: 2px solid var(--bad); border-radius: 3px; }
.mb-err { margin: 8px 0 0; padding: 8px 12px 8px 28px; border-radius: 8px; border: 1px solid color-mix(in srgb, var(--bad) 40%, var(--line)); background: color-mix(in srgb, var(--bad) 7%, var(--bg2)); font-size: .95rem; }
.mb-err li { margin: 2px 0; overflow-wrap: anywhere; } .mb-err b { color: var(--bad); }
.mb-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.mb-row .btn { flex: 1 1 150px; }
.mb-hint { margin: 0 0 8px; font-size: .95rem; }
.mb-faces { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.mb-faces .btn i { display: inline-block; width: 14px; height: 14px; border-radius: 4px; border: 1px solid rgba(0,0,0,.25); }
.mb-draw { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-start; margin-top: 10px; }
.mb-face-name { margin: 0 0 6px; font-weight: 700; font-size: .95rem; }
.mb-grid { display: grid; grid-template-columns: repeat(3, 56px); grid-template-rows: repeat(3, 56px); gap: 4px; padding: 6px; background: var(--cv-plastic); border-radius: 10px; width: max-content; }
.mb-cell { width: 56px; height: 56px; border: 0; border-radius: 6px; cursor: pointer; padding: 0; }
.mb-cell:disabled { cursor: default; box-shadow: inset 0 0 0 3px rgba(0,0,0,.18); }
.mb-cell:focus-visible, .mb-color:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.mb-cell.bad { box-shadow: inset 0 0 0 4px var(--bad), inset 0 0 0 7px #fff; }
.mb-pal { display: grid; grid-template-columns: repeat(3, 48px); gap: 8px; align-content: start; padding-top: 26px; }
.mb-color { width: 48px; height: 48px; border-radius: 10px; border: 2px solid rgba(0,0,0,.2); cursor: pointer; padding: 0; }
.mb-color[aria-pressed="true"] { box-shadow: 0 0 0 3px var(--bg2), 0 0 0 6px var(--accent); }
.mb-combo { display: grid; grid-template-columns: minmax(0, 1fr); gap: 4px 12px; }
.mb-select { display: block; width: 100%; min-height: 44px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--text); font: inherit; }
.mb-main { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px 16px; align-items: start; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.mb-view { min-width: 0; }
.mb-cube { display: flex; justify-content: center; min-width: 0; }
.mb-cube .cv-scene { margin: 0 auto; }
.mb-views { display: flex; gap: 6px; justify-content: center; }
.mb-views .btn { flex: 0 1 140px; }
.mb-side .mb-label { margin-top: 0; }
.mb-net { display: grid; grid-template-columns: repeat(4, minmax(0, 72px)); gap: 4px; justify-content: center; }
.mb-nf { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; padding: 3px; aspect-ratio: 1; min-height: 44px; border: 2px solid transparent; border-radius: 6px; background: var(--cv-plastic); cursor: pointer; }
.mb-nf span { border-radius: 2px; min-width: 0; }
.mb-nf span.bad { box-shadow: inset 0 0 0 2px var(--bad), inset 0 0 0 4px #fff; }
.mb-nf.sel { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); }
.mb-status { margin: 10px 0 8px; min-height: 2.6em; padding: 8px 10px; border-radius: 8px; background: var(--bg3); font-size: .95rem; overflow-wrap: anywhere; }
.mb-status.ok { background: color-mix(in srgb, var(--ok) 12%, var(--bg2)); }
.mb-status.bad { background: color-mix(in srgb, var(--bad) 9%, var(--bg2)); }
.mb-result { padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); }
.mb-res-head { margin: 0 0 4px; overflow-wrap: anywhere; }
.mb-res-alg { margin: 0 0 8px; overflow-wrap: anywhere; } .mb-res-alg code { font-weight: 700; }
.mb-moves { display: flex; flex-wrap: wrap; gap: 4px; max-height: 96px; overflow: auto; margin-bottom: 8px; }
.mb-chip { display: inline-block; min-width: 2.2em; padding: 2px 6px; border: 1px solid var(--line); border-radius: 7px; background: var(--bg2); text-align: center; font: .88rem/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.mb-chip.done { color: var(--muted); background: var(--bg3); }
.mb-chip.next { border-color: var(--accent); color: var(--accent); font-weight: 700; }
.mb-ctrl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.mb-result .small a { display: inline-flex; align-items: center; min-height: 44px; }
.mb-warn { margin: 12px 0 6px; padding: 10px 12px; border-radius: 10px; border: 1px solid color-mix(in srgb, var(--warn) 45%, var(--line)); background: color-mix(in srgb, var(--warn) 9%, var(--bg2)); font-size: .95rem; }
.mb .cv-sticker.nv-hl { filter: brightness(1.12) saturate(1.1); box-shadow: inset 0 0 0 3px var(--accent), inset 0 0 0 6px rgba(255,255,255,.55) !important; }
.mb .cv-sticker.nv-mark { box-shadow: inset 0 0 0 4px var(--bad), inset 0 0 0 7px #fff !important; }
@media (max-width: 380px) { .mb { padding: 10px; } .mb-tabs .btn { font-size: .82rem; padding: 6px 4px; } .mb-grid { grid-template-columns: repeat(3, 50px); grid-template-rows: repeat(3, 50px); } .mb-cell { width: 50px; height: 50px; } }
@media (min-width: 760px) {
  .mb { padding: 18px; }
  .mb-main { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .mb-combo { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .mb-ctrl { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .mb-faces { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .mu-flabel { flex: 0 0 auto; min-width: 110px; }
}