/* Inventors Ladder, From Scratch course (static/inventors/viz/from-scratch.js): styles for the fs-… visuals and for the
   parts, safety and steps boxes in the course's lessons. Light and dark themes via html[data-theme="dark"]. */
.ml-viz.fsv .ml-cv{touch-action:pan-y;box-shadow:inset 0 0 0 1px var(--mv-line)}
.ml-viz.fsv .ml-cv:focus-visible{outline:3px solid var(--mv-acc);outline-offset:2px}
.fsv .fsv-ctl{align-items:center}
.fsv .fsv-ctl .ml-sl{min-width:min(100%,11rem);flex:1 1 11rem}
.fsv .fsv-hint{font-size:.85rem;color:var(--mv-muted);margin:.35rem 0 0}
/* lesson boxes: parts, safety, steps */
.mlp-lesson .fs-parts{border-left:4px solid #00562f;padding:.55rem .8rem;background:rgba(0,86,47,.06);border-radius:8px}
html[data-theme="dark"] .mlp-lesson .fs-parts{border-left-color:#6cc79a;background:rgba(108,199,154,.08)}
.mlp-lesson .fs-safe{border-left:4px solid #b8963e;padding:.55rem .8rem;background:rgba(184,150,62,.1);border-radius:8px}
.mlp-lesson .fs-parts ul,.mlp-lesson .fs-safe ul,.mlp-lesson .fs-steps ol{margin:.35rem 0 0 1.1rem;padding:0}
.mlp-lesson .fs-steps{border-left:4px solid #6d7d74;padding:.55rem .8rem;background:rgba(109,125,116,.08);border-radius:8px}
.mlp-lesson .fs-steps li,.mlp-lesson .fs-parts li,.mlp-lesson .fs-safe li{margin:.2rem 0}
/* Morse keyer */
.fsm-key{display:block;width:100%;max-width:22rem;min-height:72px;margin:.4rem 0;border-radius:16px;border:2px solid var(--mv-line);background:var(--mv-card);color:var(--mv-ink);font:700 1.05rem system-ui,sans-serif;cursor:pointer;touch-action:none;user-select:none;-webkit-user-select:none}
.fsm-key[aria-pressed="true"]{background:var(--mv-acc);color:#fff;border-color:var(--mv-acc)}
html[data-theme="dark"] .fsm-key[aria-pressed="true"]{color:#10261a}
.fsm-out{font:600 1.15rem ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;min-height:1.6em;padding:.35rem .6rem;border-radius:8px;background:var(--mv-card);border:1px solid var(--mv-line);overflow-wrap:anywhere}
.fsm-code{font:600 1rem ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--mv-muted);min-height:1.4em;overflow-wrap:anywhere}
.fsm-row{display:flex;flex-wrap:wrap;gap:.45rem;align-items:center;margin:.45rem 0}
.fsm-row input[type=text]{flex:1 1 12rem;min-width:0;min-height:36px;padding:.3rem .6rem;border-radius:8px;border:1px solid var(--mv-line);background:var(--mv-card);color:var(--mv-ink);font:1rem system-ui,sans-serif}
.fsm-table{display:grid;grid-template-columns:repeat(auto-fill,minmax(5.2rem,1fr));gap:.2rem .6rem;font:.9rem ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;margin:.4rem 0 0}
.fsm-table b{display:inline-block;min-width:1.1em}
/* Printing press */
.fsp{--fsp-wood:#a8742f;--fsp-wood2:#7a5220;--fsp-metal:#8b9196;--fsp-ink:#1d2320;--fsp-paper:#fffdf6;--fsp-sort:#c9ced2;--fsp-sort2:#9aa2a8}
html[data-theme="dark"] .fsp{--fsp-wood:#b98a45;--fsp-wood2:#8a6430;--fsp-metal:#9aa1a7;--fsp-paper:#f4efe2;--fsp-sort:#aab2b8;--fsp-sort2:#7d868d}
.fsp .fsp-tabs{display:flex;flex-wrap:wrap;gap:.35rem;margin:0 0 .6rem}
.fsp .fsp-tabs button{font:600 .9rem system-ui,sans-serif;min-height:40px;padding:.35rem .8rem;border-radius:999px;border:1px solid var(--mv-line);background:var(--mv-card);color:var(--mv-ink);cursor:pointer}
.fsp .fsp-tabs button[aria-selected="true"]{background:var(--mv-acc);border-color:var(--mv-acc);color:#fff}
html[data-theme="dark"] .fsp .fsp-tabs button[aria-selected="true"]{color:#10261a}
.fsp .fsp-panel[hidden]{display:none}
.fsp h3{font-size:1.02rem;margin:.6rem 0 .3rem}
.fsp p{margin:.3rem 0}
.fsp .fsp-small{font-size:.86rem;color:var(--mv-muted)}
.fsp .fsp-stickwrap{background:var(--fsp-wood2);padding:8px;border-radius:10px;margin:.4rem 0}
.fsp .fsp-stick{background:var(--fsp-metal);border-radius:6px;padding:6px;min-height:120px;display:flex;flex-direction:column;gap:4px}
.fsp .fsp-stick.fsp-over{outline:3px dashed #b8963e;outline-offset:2px}
.fsp .fsp-line{display:flex;height:40px;background:rgba(0,0,0,.12);border-radius:3px;position:relative;overflow:hidden}
.fsp .fsp-line.fsp-cur{box-shadow:0 0 0 2px #b8963e}
.fsp .fsp-line.fsp-full{box-shadow:0 0 0 2px #2f9e44}
.fsp .fsp-line.fsp-overfull{box-shadow:0 0 0 2px #e03131}
.fsp .fsp-s{flex:0 0 auto;display:flex;align-items:center;justify-content:center;background:linear-gradient(var(--fsp-sort),var(--fsp-sort2));border-right:1px solid rgba(0,0,0,.25);font:700 20px Georgia,"Times New Roman",serif;color:#2b2f33;overflow:hidden;box-sizing:border-box}
.fsp .fsp-s span{display:inline-block;transform:scaleX(-1)}
.fsp .fsp-s.fsp-sp{background:repeating-linear-gradient(135deg,#7f878d 0 3px,#8f979d 3px 6px);height:70%;align-self:flex-end}
.fsp .fsp-unmir .fsp-s span{transform:none}
.fsp .fsp-gauge{font-size:.85rem;color:#f3f0e6;margin:4px 2px 0;display:flex;justify-content:space-between;gap:.5rem;flex-wrap:wrap}
.fsp .fsp-btns{display:flex;flex-wrap:wrap;gap:.4rem;margin:.4rem 0}
.fsp .fsp-case{display:grid;gap:.6rem}
@media (min-width:760px){.fsp .fsp-case{grid-template-columns:1fr 1fr}}
.fsp .fsp-tray{background:var(--fsp-wood);border-radius:10px;padding:8px}
.fsp .fsp-tray h4{margin:0 0 6px;font:700 .9rem system-ui,sans-serif;color:#fff8e6}
.fsp .fsp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:4px}
.fsp .fsp-k{min-height:44px;min-width:40px;border-radius:5px;border:1px solid var(--fsp-wood2);background:#e9d7b5;color:#2b2f33;font:700 20px Georgia,'Times New Roman',serif;cursor:grab;touch-action:none;padding:0;display:flex;align-items:center;justify-content:center}
.fsp .fsp-k span{display:inline-block;transform:scaleX(-1)}
.fsp .fsp-k.fsp-kw{grid-column:span 2;font:600 12px system-ui,sans-serif}
.fsp .fsp-k.fsp-kw span{transform:none}
.fsp .fsp-k:focus-visible,.fsp button:focus-visible,.fsp [tabindex]:focus-visible{outline:3px solid var(--mv-acc);outline-offset:2px}
.fsp .fsp-ghost{position:fixed;z-index:50;pointer-events:none;width:38px;height:44px;border-radius:5px;background:var(--fsp-sort);display:flex;align-items:center;justify-content:center;font:700 22px Georgia,serif;color:#2b2f33;box-shadow:0 6px 16px rgba(0,0,0,.35)}
.fsp .fsp-ghost span{display:inline-block;transform:scaleX(-1)}
.fsp .fsp-pressbox{display:grid;gap:.6rem}
@media (min-width:760px){.fsp .fsp-pressbox{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:start}}
.fsp svg.fsp-press{width:100%;height:auto;display:block;background:var(--mv-card);border-radius:10px;box-shadow:inset 0 0 0 1px var(--mv-line);touch-action:none}
.fsp .fsp-steps{list-style:none;margin:0;padding:0;display:grid;gap:.35rem}
.fsp .fsp-steps li{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}
.fsp .fsp-steps .fsp-done{color:#2f9e44;font-weight:700}
html[data-theme="dark"] .fsp .fsp-steps .fsp-done{color:#6cc79a}
.fsp .fsp-sheet{background:var(--fsp-paper);color:#1d2320;border-radius:4px;padding:14px 12px;box-shadow:0 2px 10px rgba(0,0,0,.25);min-height:110px;margin:.4rem 0}
.fsp .fsp-sheet .fsp-pl{display:flex;height:30px;align-items:center}
.fsp .fsp-sheet .fsp-pc{flex:0 0 auto;text-align:center;font:700 22px Georgia,'Times New Roman',serif;line-height:1}
.fsp .fsp-sheet.q-faint .fsp-pc{opacity:.35}
.fsp .fsp-sheet.q-patchy .fsp-pc:nth-child(3n+1){opacity:.25}
.fsp .fsp-sheet.q-patchy .fsp-pc:nth-child(4n+2){opacity:.55}
.fsp .fsp-sheet.q-blot .fsp-pc{text-shadow:0 0 3px #1d2320,1px 1px 2px #1d2320;color:#111}
.fsp .fsp-sheet .fsp-blank{color:#8a8a80;font:italic .95rem Georgia,serif}
.fsp .fsp-count{display:grid;gap:.6rem}
@media (min-width:640px){.fsp .fsp-count{grid-template-columns:1fr 1fr}}
.fsp .fsp-lane{border:1px solid var(--mv-line);border-radius:10px;padding:.6rem;background:var(--mv-card)}
.fsp .fsp-big{font:700 1.6rem system-ui,sans-serif;font-variant-numeric:tabular-nums;color:var(--mv-acc)}
.fsp .fsp-bar{height:14px;border-radius:7px;background:var(--mv-line);overflow:hidden;margin:.3rem 0}
.fsp .fsp-bar i{display:block;height:100%;width:0;background:#b8963e;border-radius:7px}
.fsp .fsp-facts{display:grid;gap:.5rem;margin:.6rem 0 0}
@media (min-width:640px){.fsp .fsp-facts{grid-template-columns:1fr 1fr}}
.fsp .fsp-fact{border-left:4px solid #b8963e;padding:.4rem .6rem;background:rgba(184,150,62,.08);border-radius:6px;font-size:.92rem}
.fsp .fsp-msg{min-height:1.4em;font-weight:600}
@media (prefers-reduced-motion:reduce){.fsp *{transition:none!important;animation:none!important}}
@media (max-width:520px){.fsp .fsp-s{font-size:15px}.fsp .fsp-sheet .fsp-pc{font-size:16px}.fsp .fsp-line{height:32px}}
.fsp .fsp-sheet .fsp-pl .fsp-pc{flex:0 0 auto;width:auto}
.fsp .fsp-sheet .fsp-gap{flex:0 1 auto;display:block}
.fsp .ml-ctl .ml-sl{flex:1 1 14rem;min-width:min(100%,14rem)}