/* Explainers (Nib's casebook): shared pieces for interactive toys. Loads after goblin.css and lesson.css. */
.series{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;font-size:14px;color:var(--muted);margin:14px 0 0}
.series a{color:var(--moss);font-weight:700;text-underline-offset:3px}
.chapnav{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:36px 0 0}
.chapnav a{flex:1 1 220px;text-decoration:none;border:1px solid var(--rule);border-radius:16px;padding:12px 14px;background:var(--surface)}
.chapnav a:hover{border-color:var(--moss)}
.chapnav small{display:block;font-size:12.5px;font-weight:700;color:var(--gold);text-transform:uppercase;letter-spacing:.05em}
.chapnav b{font-family:var(--display);font-size:18px}
.chapnav .next{text-align:right}

/* a toy: one interactive demo */
.toy{border:1px solid var(--rule);border-radius:20px;background:var(--surface);padding:14px 14px 16px;margin:18px 0 10px}
@media (min-width:640px){.toy{padding:18px 22px 20px}}
.toy h3{margin:0 0 4px}
.toy .hint{font-size:14.5px;color:var(--muted);margin:0 0 12px}
.toy .row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:10px 0}
.toy .controls{justify-content:flex-start}
.toy svg.plot{display:block;width:100%;height:auto;background:var(--bg);border-radius:14px;touch-action:manipulation}
.toy label.slide{display:grid;grid-template-columns:auto 1fr 3.2em;gap:10px;align-items:center;font-weight:700;font-size:15px;margin:8px 0}
.toy label.slide output{font-family:ui-monospace,Menlo,Consolas,monospace;text-align:right}
.toy input[type=range]{width:100%;accent-color:var(--moss);min-height:28px}
.toy select{font:inherit;font-size:15px;padding:7px 10px;border-radius:10px;border:1.5px solid var(--rule);background:var(--bg);color:var(--ink)}
.btn.sm{font-size:14.5px;padding:8px 12px;border-radius:10px}
.btn[aria-pressed="true"]{background:var(--gold-soft);border-color:var(--gold)}
.readout{font-size:15.5px;background:var(--bg);border-radius:14px;padding:10px 14px;margin:10px 0 0;min-height:3em}
.readout p{margin:4px 0}
.readout .big{font-size:18px;font-weight:700}
.mono,.readout code,.prose code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.93em}
.prose code{background:var(--gold-soft);padding:1px 5px;border-radius:5px}
.hexwrap{font-family:ui-monospace,Menlo,Consolas,monospace;word-break:break-all;font-size:14.5px;background:var(--bg);border:1px dashed var(--gold);border-radius:12px;padding:10px 12px;margin:10px 0}
.ok{color:var(--moss);font-weight:700}
.warn{color:var(--rust);font-weight:700}
.pair{display:grid;gap:12px}
@media (min-width:620px){.pair{grid-template-columns:1fr 1fr}}
.pane{border:1px solid var(--rule);border-radius:16px;padding:12px 14px;background:var(--bg)}
.pane h4{font-family:var(--display);font-size:18px;margin:0 0 4px}
.pane p{margin:4px 0;font-size:15px}
.secretbox{border:1.5px dashed var(--rust);border-radius:12px;padding:6px 10px;background:var(--rust-soft)}
.publicbox{border:1.5px solid var(--moss);border-radius:12px;padding:6px 10px;background:var(--moss-soft)}
.eve{margin-top:12px}
.casefile{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:10px;counter-reset:ch}
.casefile li{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start;border:1px solid var(--rule);border-radius:16px;padding:12px 14px;background:var(--surface)}
.casefile li.soon{background:transparent;border-style:dashed}
.casefile .num{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:var(--bg);font-family:var(--display);font-weight:800}
.casefile li.soon .num{background:var(--rule);color:var(--muted)}
.casefile h3{font-size:19px;margin:2px 0 2px}
.casefile h3 a{color:var(--ink);text-underline-offset:3px}
.casefile p{margin:0;color:var(--muted);font-size:15px}
.casefile .tag{font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--gold)}
.casefile li.soon .tag{color:var(--muted)}
.dot-pt{stroke:var(--surface);stroke-width:.5}
@media (prefers-reduced-motion:reduce){.toy *{transition:none!important;animation:none!important}}

/* tappable glossary words */
a.gl{color:inherit;text-decoration:underline dotted var(--gold);text-decoration-thickness:2px;text-underline-offset:4px;cursor:help}
.prose a.gl{color:inherit;font-weight:inherit}
.glcard{position:fixed;z-index:20;left:50%;bottom:calc(12px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);width:min(560px,calc(100vw - 24px));
  max-height:60vh;overflow:auto;background:var(--surface);border:1.5px solid var(--gold);border-radius:18px;padding:14px 16px 14px;box-shadow:0 10px 40px rgba(0,0,0,.35)}
.glterm{font-family:var(--display);font-weight:800;font-size:21px;margin:0 32px 4px 0}
.glshort{font-weight:700;margin:0 0 6px}
.gllong{color:var(--muted);margin:0 0 8px;font-size:15.5px}
.glmore{color:var(--moss);font-weight:700;font-size:14.5px}
.glx{position:absolute;top:8px;right:10px;font:700 24px/1 var(--body);color:var(--muted);background:none;border:0;padding:4px 8px;cursor:pointer;border-radius:8px}
.wordlist{margin:10px 0 0;display:grid;gap:8px}
.wordlist div{border:1px solid var(--rule);border-radius:14px;background:var(--surface);padding:10px 14px}
.wordlist dt{font-weight:700}
.wordlist dt a{color:var(--moss);text-underline-offset:3px}
.wordlist dd{margin:2px 0 0;color:var(--muted);font-size:15px}
.btn.primary[aria-pressed="true"]{color:var(--ink)}