/* /friendship-bracelet-pattern-maker/ page styles (component patterns from /peyote-pattern-maker/, prefix fb-).
   Built from /assets/polyatic.css tokens only (no new colours or fonts). The only literal colours on the page are the
   visitor's thread colours, set at run time on the swatches, threads and knots. */
.nojs{margin:1.25rem 0 0;padding:0.875rem 1rem;border:1px solid var(--line);border-left:0.25rem solid var(--accent);border-radius:0.625rem;background:var(--surface);color:var(--ink);font-size:0.9375rem;line-height:1.6}

.fb-head .sub{margin-bottom:0.875rem}
@media(max-width:519px){.fb-head h1{margin-bottom:0.25rem}.fb-head .sub{font-size:0.9375rem;line-height:1.4;margin-bottom:0.625rem}}
@media(min-width:920px){.fb-duo{grid-template-columns:minmax(0,1.45fr) minmax(20rem,.85fr)}}
.duo>.pane-result.fb-side{position:static}
.fb-side{display:grid;gap:1rem;align-content:start}
.fb-card{padding:0.875rem;min-width:0}
@media(min-width:520px){.fb-card{padding:1.25rem}}

.fb-notice{display:flex;flex-wrap:wrap;gap:0.5rem 1rem;align-items:center;justify-content:space-between;margin:0 0 1rem;padding:0.75rem 1rem;border:1px solid var(--line);border-left:0.25rem solid var(--accent);border-radius:0.625rem;background:var(--accent-soft);color:var(--ink);font-size:0.9375rem}
.fb-notice[hidden]{display:none}
.fb-notice p{margin:0;flex:1 1 16rem}

.fb-sec{font-size:0.8125rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:0 0 0.625rem}
.pane-main .fb-sec{margin-top:1.25rem}
.pane-main .fb-strings .fb-sec{margin:0}
.fb-for{font-weight:500;text-transform:none;letter-spacing:0;color:var(--accent);margin-left:0.25rem}
.fb-top{display:flex;align-items:center;justify-content:space-between;gap:0.5rem;margin-bottom:0.5rem;flex-wrap:wrap}
.fb-btnrow{display:flex;flex-wrap:wrap;gap:0.375rem 0.625rem;align-items:center}
.fb-side .fb-btnrow{margin-top:0.625rem}
#starterNote{margin-bottom:0.875rem}
.btn.fb-small{height:auto;min-height:2.375rem;padding:0.375rem 0.75rem;font-size:0.875rem}
.btn:disabled{opacity:.45;cursor:default;filter:none}
.fb-tight{margin:0.375rem 0.125rem 0.625rem}
.note{font-size:0.8125rem;color:var(--muted);margin:0.5rem 0.125rem 0;line-height:1.5}
.note:empty{display:none}

/* strings: one chip per string, its colour on top like the thread coming in */
.fb-chips{display:flex;gap:0.25rem;overflow-x:auto;padding:0.25rem 0.125rem 0.375rem;scrollbar-width:thin}
.fb-chip{flex:0 0 auto;display:flex;flex-direction:column;align-items:center;gap:0.125rem;width:2.125rem;padding:0.1875rem 0 0.25rem;border:1px solid var(--line);border-radius:0.5rem;background:var(--surface);color:var(--ink);font:inherit;cursor:pointer}
.fb-chip.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft);background:var(--accent-soft)}
.fb-chip-sw{display:block;width:0.75rem;height:1.75rem;border-radius:0.375rem;border:1px solid var(--line-2)}
.fb-chip-l{font-family:var(--mono);font-size:0.75rem;font-weight:600;line-height:1}
.fb-edit{display:grid;grid-template-columns:4.5rem minmax(0,1fr) auto;gap:0.5rem;align-items:end;margin-top:0.375rem}
.fb-move{display:flex;gap:0.25rem}
.fb-move .btn{min-width:2.5rem;padding:0.375rem 0.5rem}
.fb-k{display:block;font-family:var(--mono);font-size:0.6875rem;font-weight:500;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:0.25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fb-k span{text-transform:none;color:var(--ink);font-weight:700}
.fb-inline{display:inline;margin:0}
.fb-in{display:block;min-width:0}
.fb-in input[type=number],.fb-in input[type=text],.fb-in select{width:100%;min-height:2.5rem;padding:0.4375rem 0.5rem;font-variant-numeric:tabular-nums}
.fb-in input[type=number],.fb-in input[type=text]{font-family:var(--mono);font-size:1rem}
.fb-in select{font:inherit}
.fb-colour input{width:100%;height:2.5rem;padding:0.125rem;border:1px solid var(--line-2);border-radius:0.5rem;background:var(--surface);cursor:pointer}
.fb-swatches{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:0.25rem;margin-top:0.5rem}
.fb-swatch{height:1.625rem;min-width:0;border:1px solid var(--line-2);border-radius:0.375rem;cursor:pointer;padding:0}
.fb-swatch:hover{transform:translateY(-1px)}

/* the pattern */
.fb-stage{overflow:auto;max-height:min(78vh,52rem);border:1px solid var(--line);border-radius:0.5rem;background:var(--surface-2);padding:0.375rem;text-align:center}
.fb-svg{display:inline-block;max-width:none;vertical-align:top}
.fb-svg .fb-thread-edge{stroke:var(--line-2)}
.fb-svg .fb-dia{stroke:var(--ink);stroke-opacity:.28;stroke-width:0.7}
.fb-svg .fb-knot{cursor:pointer;outline:none}
.fb-svg .fb-knot:hover .fb-dia{stroke:var(--accent);stroke-opacity:1;stroke-width:2}
.fb-svg .fb-knot:focus-visible .fb-dia{stroke:var(--accent);stroke-opacity:1;stroke-width:2.6}
.fb-svg .fb-done{opacity:.55}
.fb-svg .fb-cur{fill:var(--accent-soft);stroke:var(--accent);stroke-width:0.8}
.fb-svg .fb-rn{font-family:var(--mono);font-size:9px;fill:var(--muted)}
.fb-svg .fb-rn-done{text-decoration:line-through}
.fb-svg .fb-letter{font-family:var(--mono);font-size:10px;font-weight:700;fill:var(--ink)}
.fb-svg .fb-letter-end{fill:var(--muted);font-weight:500}
.fb-key{list-style:none;margin:0.625rem 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:0.375rem 0.75rem}
.fb-key li{display:flex;align-items:center;gap:0.5rem;font-size:0.8125rem;color:var(--ink-2);line-height:1.35}
.fb-key b{color:var(--ink)}
.fb-key-ico{flex:0 0 auto}
.fb-key-dia{fill:var(--surface-2);stroke:var(--line-2);stroke-width:1}
.fb-key-sym{stroke:var(--ink)}

/* steps and tracker */
.fb-steps{list-style:none;margin:0;padding:0;max-height:26rem;overflow:auto;border:1px solid var(--line);border-radius:0.5rem;background:var(--surface)}
.fb-steps li{border-bottom:1px solid var(--line)}
.fb-steps li:last-child{border-bottom:0}
.fb-step{display:grid;grid-template-columns:1.125rem minmax(0,1fr);gap:0.5rem;width:100%;text-align:left;padding:0.5rem 0.625rem;border:0;background:none;font-family:var(--mono);font-size:0.8125rem;line-height:1.45;color:var(--ink-2);cursor:pointer;overflow-wrap:anywhere}
.fb-step::before{content:"";width:1rem;height:1rem;margin-top:0.0625rem;border:1.5px solid var(--line-2);border-radius:0.25rem;background:var(--surface)}
.fb-step:hover{background:var(--surface-2)}
.fb-step:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.fb-steps li.now .fb-step{background:var(--accent-soft);color:var(--ink);box-shadow:inset 0.25rem 0 0 var(--accent)}
.fb-steps li.done .fb-step{color:var(--muted);text-decoration:line-through;text-decoration-thickness:1.5px}
.fb-steps li.done .fb-step::before{background:var(--accent);border-color:var(--accent)}
.fb-steps li.fb-rep{padding:0.4375rem 0.625rem;font-size:0.8125rem;color:var(--accent);font-weight:600;background:var(--surface-2)}
.fb-line{display:flex;flex-wrap:wrap;gap:0.375rem 0.875rem;align-items:center;justify-content:space-between}
.fb-line .note{margin:0.5rem 0.125rem}
.fb-link{border:0;background:none;padding:0.25rem 0;color:var(--muted);font:inherit;font-size:0.8125rem;text-decoration:underline;text-underline-offset:2px;cursor:pointer}
.fb-link:hover{color:var(--accent)}
.fb-link[hidden]{display:none}

/* side cards */
.fb-modes4{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0.25rem;margin-bottom:0.25rem}
.fb-modes4 button{padding:0.4375rem 0.25rem}
.fb-grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0.5rem}
.fb-lengths{list-style:none;margin:0.75rem 0 0;padding:0;display:grid;gap:0.3125rem;max-height:22rem;overflow:auto}
.fb-lengths li{display:grid;grid-template-columns:0.75rem minmax(0,1fr) auto;grid-template-rows:auto auto;column-gap:0.5rem;align-items:center;font-size:0.8125rem;color:var(--ink-2);font-variant-numeric:tabular-nums}
.fb-len-sw{width:0.75rem;height:1.5rem;grid-row:span 2}
.fb-len-n{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink)}
.fb-len-v{font-family:var(--mono);text-align:right}
.fb-len-v b{color:var(--ink)}
.fb-len-why{grid-column:2 / 4;font-size:0.75rem;color:var(--muted)}
.fb-dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0.5rem;align-items:end}
.fb-dl .btn{height:auto;min-height:2.5rem;padding:0.5rem 0.625rem}
.fb-share{width:100%;margin-top:0.5rem;min-height:2.5rem;padding:0.4375rem 0.5rem;font-family:var(--mono);font-size:0.8125rem}
.fb-share[hidden]{display:none}
.fb-saveline{margin-top:0.75rem;padding-top:0.75rem;border-top:1px solid var(--line)}
.fb-save{margin:0;flex:1 1 12rem}

.modes button:focus-visible,.btn:focus-visible,.fb-link:focus-visible,.fb-in input:focus-visible,.fb-in select:focus-visible,.fb-chip:focus-visible,.fb-swatch:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.explainer .fb-list{color:var(--muted);font-size:0.9375rem;margin:0 0 0.75rem;padding-left:1.25rem}
.explainer .fb-list li{margin:0 0 0.5rem}
.explainer .fb-list b{color:var(--ink)}
@media(prefers-reduced-motion:reduce){.fb-swatch:hover{transform:none}}

/* Alpha mode (T-PB.127): same tokens; the only literal colours are the visitor's thread colours set at run time */
.fb-duo [hidden]{display:none!important}
.fb-modes2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0.25rem;margin-bottom:0.75rem}
.fb-modes2 button{padding:0.4375rem 0.25rem}
.fb-src{margin-bottom:0.625rem}
.fb-alpha-in{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0.5rem;align-items:end}
.fb-alpha-in .fb-wide{grid-column:1 / -1}
@media(min-width:520px){.fb-alpha-in{grid-template-columns:minmax(0,2fr) minmax(0,1.3fr) minmax(0,1fr)}.fb-alpha-in .fb-wide{grid-column:auto}}
.fb-file{position:relative;display:flex;align-items:center;justify-content:center;min-height:2.5rem;cursor:pointer}
.fb-file input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}
.fb-file:focus-within{outline:2px solid var(--accent);outline-offset:2px}
.fb-edit-a{grid-template-columns:4.5rem minmax(0,1fr) auto}
.fa-pal-sw{height:1.375rem}
.fb-svg .fa-cell{cursor:pointer;stroke:var(--ink);stroke-opacity:.22;stroke-width:0.6}
.fb-svg .fa-cell:hover{stroke:var(--accent);stroke-opacity:1;stroke-width:1.6}
.fb-svg .fa-cursor{stroke:none}
.fa-grid:focus{outline:none}
.fa-grid:focus-visible .fa-cursor{stroke:var(--accent);stroke-width:2.4}
.fb-worn{margin:0.25rem 0 0.25rem;overflow-x:auto}
.fa-worn{display:block;max-width:none;border:1px solid var(--line);border-radius:0.25rem;image-rendering:pixelated}
.fa-base-sw{background:var(--surface-2)}
.fb-rules{margin:0;padding-left:1.125rem;font-size:0.8125rem;line-height:1.5;color:var(--ink-2)}
.fb-rules li{margin:0 0 0.4375rem}
.fb-rules b{color:var(--ink)}
.fb-rules a{color:var(--accent)}