/* Shared pieces for the A&P tools (assets/tools/tool-kit.js): the compact
   tool opener on phones, the item picker (.kp) and the Keep going strip
   (.kg). Theme tokens only, so dark mode follows the theme. */

/* Tool pages scroll long interactive content under the sticky site chrome.
   The chrome's translucent background (theme --header-bg, 82%) let the
   picker, titles and figures show through it, so text read doubled; on tool
   pages both rows are opaque. */
#site-header,.course-nav{background:var(--paper);}

/* The opener is a title, not a banner: the name and one sentence. */
.anp-tool-hero{padding:18px 26px;}
.anp-tool-hero h1{font-size:clamp(26px,3vw,34px);margin:0 0 6px;max-width:none;}
.anp-tool-hero .lede{margin:0;font-size:16px;max-width:60ch;}

/* ---- picker ---- */
.kp{margin:12px 0 14px;background:var(--white);border-radius:16px;box-shadow:var(--lift-sm);}
.kp-sum{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px;padding:11px 16px;cursor:pointer;list-style:none;border-radius:16px;font-family:var(--font-ui);}
.kp-sum::-webkit-details-marker{display:none;}
.kp-sum::after{content:"";width:8px;height:8px;margin-left:auto;align-self:center;border:solid var(--muted);border-width:0 2px 2px 0;transform:rotate(45deg);}
.kp[open] .kp-sum::after{transform:rotate(-135deg);}
.kp-sum:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.kp-label{flex:none;white-space:nowrap;font:900 12px var(--font-ui);letter-spacing:.08em;text-transform:uppercase;color:var(--cink);}
.kp-cur{font:800 14.5px/1.3 var(--font-ui);color:var(--ink);min-width:0;}
.kp-n{font:700 12.5px var(--font-ui);color:var(--muted);}
.kp-body{padding:0 16px 14px;}
.kp-search{display:block;margin:0 0 10px;}
.kp-search input{width:100%;min-height:44px;}
.kp-list{max-height:min(56vh,480px);overflow:auto;overscroll-behavior:contain;padding-right:2px;}
.kp-group + .kp-group{margin-top:10px;}
.kp .kp-gh{font:900 11.5px/1.3 var(--font-ui);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 6px;}
.kp-list ul{list-style:none;margin:0;padding:0;display:grid;gap:4px;}
.kp-item{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 10px;width:100%;min-height:44px;padding:8px 12px;border:0;border-radius:11px;
  background:var(--paper);color:var(--ink);text-align:left;text-decoration:none;cursor:pointer;font:800 14px/1.35 var(--font-ui);}
.kp-item:hover{box-shadow:inset 0 0 0 2px var(--cink);}
.kp-item:focus-visible{outline:3px solid var(--accent);outline-offset:1px;}
.kp-item[aria-current="true"]{background:var(--ctint);color:var(--cink);}
.kp-t{flex:1 1 12em;min-width:0;}
.kp-m{font:700 12px var(--font-ui);color:var(--muted);}
.kp-done{font-weight:900;color:var(--good-text);}
.kp-none{margin:8px 0 0;font:700 13px var(--font-ui);color:var(--muted);}
.kp-all{margin:10px 0 0;font:800 13.5px var(--font-ui);}
.kp-all a{color:var(--cink);}

/* ---- Keep going strip ---- */
.kg{margin:16px 0 0;padding:12px 14px;border-radius:14px;background:var(--ctint);}
.kg-h{margin:0 0 8px;font:900 12px var(--font-ui);letter-spacing:.08em;text-transform:uppercase;color:var(--cink);}
.kg-row{display:flex;flex-wrap:wrap;gap:6px 8px;align-items:center;}
.kg-link,.kg-term{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:6px 12px;border-radius:var(--radius-pill);
  background:var(--white);color:var(--ink);text-decoration:none;font:800 13px/1.3 var(--font-ui);box-shadow:var(--lift-sm);max-width:100%;}
.kg-link:hover,.kg-term:hover{box-shadow:var(--lift-sm), inset 0 0 0 2px var(--cink);}
.kg-link:focus-visible,.kg-term:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.kg-k{font:900 10.5px var(--font-ui);letter-spacing:.08em;text-transform:uppercase;color:var(--cink);}
.kg-terms{display:contents;}
.kg-terms[hidden],.kg[hidden]{display:none;}
.kg-gk{margin-left:4px;}
.kg-term.gl{border-bottom:0;}

/* Phone: tool pages open on an item, so the opener stays short and the item
   is on the first screen. Last, so these beat the base rules above. */
@media (max-width:600px){
  .anp-tool-hero{margin-top:10px;padding:14px 18px;}
  .anp-tool-hero .eyebrow{margin-bottom:4px;}
  .anp-tool-hero h1{font-size:24px;margin:0 0 4px;}
  .anp-tool-hero .lede{font-size:14.5px;line-height:1.45;}   /* one short sentence: it says what the tool is for */
  .anp-app:has(.anp-tool-hero) .anp-crumb{display:none;}
  .kp-sum{flex-wrap:nowrap;padding:10px 14px;}
  .kp-cur{flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .kp-n{display:none;}
  .kp-sum::after{flex:none;margin-left:6px;}
}
/* "See it in 3D" beside a structure's name (lab practical, word roots) */
.kg-3dbtn{display:inline-flex;align-items:center;gap:8px;min-height:40px;margin:0 0 0 10px;padding:4px 14px 4px 4px;border-radius:999px;border:1.5px solid color-mix(in srgb,var(--cink) 45%,transparent);color:var(--cink);
  background:linear-gradient(180deg,var(--white),var(--ctint));box-shadow:0 1px 0 color-mix(in srgb,var(--cink) 25%,transparent),var(--lift-sm);font:800 13px/1.2 var(--font-ui);text-decoration:none;vertical-align:middle;white-space:nowrap;transition:box-shadow .15s,transform .15s;}
.kg-3dico{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--cink);}
.kg-3dbtn svg{width:20px;height:20px;fill:none;stroke:var(--paper);stroke-width:1.5;stroke-linejoin:round;}
.kg-3dbtn svg .f{fill:var(--paper);stroke:none;}
.kg-3dbtn:hover{box-shadow:0 2px 0 color-mix(in srgb,var(--cink) 30%,transparent),var(--lift);transform:translateY(-1px);}
.kg-3dbtn:hover .kg-3dico svg{animation:kg-spin 1.2s ease-in-out;}
@keyframes kg-spin{50%{transform:scaleX(-1);}}
@media (prefers-reduced-motion:reduce){.kg-3dbtn,.kg-3dbtn:hover .kg-3dico svg{transition:none;animation:none;transform:none;}}
.kg-3dbtn:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.lp-feedback > .kg-3dbtn,.lp-actions .kg-3dbtn{margin:4px 8px 6px 0;}

main.anp-app button.link-quiet{min-height:40px;padding-block:9px;}

/* ---- Simple first (simplify pass 2026-10, tool-kit.js first/why/more/about) ---- */
/* The first step, in plain words, beside the main visual */
#app .kt-first{position:relative;display:block;padding-left:18px;margin:0 0 10px;font:800 15px/1.45 var(--font-ui);color:var(--cink);max-width:none;}
#app .kt-first::before{content:"";position:absolute;left:0;top:6px;width:10px;height:10px;border-radius:50%;background:var(--cink);}
#app .kt-first b{color:var(--ink);}
#app .kt-first:empty{display:none;}
/* One compact segmented mode switch: the same look on every tool */
.kt-seg{display:inline-flex !important;flex-wrap:nowrap;gap:4px;padding:4px;margin:0 0 12px;border:0 !important;border-radius:14px;background:var(--paper);box-shadow:inset 0 0 0 1.5px var(--line);max-width:100%;overflow-x:auto;scrollbar-width:none;}
.kt-seg::-webkit-scrollbar{display:none;}
.kt-seg > *{flex:0 0 auto;display:inline-flex;align-items:center;gap:4px;min-height:40px;padding:8px 16px !important;margin:0 !important;border:0 !important;border-radius:11px !important;background:transparent !important;color:var(--muted) !important;font:900 14px var(--font-ui) !important;text-decoration:none;cursor:pointer;white-space:nowrap;box-shadow:none;}
.kt-seg > *:hover{color:var(--ink) !important;}
.kt-seg > [aria-selected="true"],.kt-seg > [aria-pressed="true"],.kt-seg > [aria-current="true"]{background:var(--white) !important;color:var(--ink) !important;box-shadow:var(--lift-sm);}
.kt-seg > *:focus-visible{outline:3px solid var(--accent);outline-offset:1px;}
@media (max-width:420px){ .kt-seg > *{padding:8px 11px !important;font-size:13.5px !important;} }
/* Why? / More options / About: quiet disclosures */
.kt-why,.kt-more,.kt-about{margin:8px 0 0;}
.kt-why > summary,.kt-more > summary,.kt-about > summary{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 4px;cursor:pointer;list-style:none;font:800 14px var(--font-ui);color:var(--cink);}
.kt-why > summary::-webkit-details-marker,.kt-more > summary::-webkit-details-marker,.kt-about > summary::-webkit-details-marker{display:none;}
.kt-why > summary::before,.kt-more > summary::before,.kt-about > summary::before{content:var(--disclose);display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--ctint);color:var(--cink);font:900 16px/1 var(--font-ui);transition:transform .2s ease;}
.kt-why[open] > summary::before,.kt-more[open] > summary::before,.kt-about[open] > summary::before{transform:rotate(90deg);}
.kt-why > summary:focus-visible,.kt-more > summary:focus-visible,.kt-about > summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:8px;}
.kt-why-b,.kt-about-b{padding:4px 0 2px 32px;font-weight:600;line-height:1.6;}
.kt-why-b > :first-child,.kt-about-b > :first-child{margin-top:0;}
.kt-more-b{padding:8px 0 4px;}
@media (prefers-reduced-motion:reduce){ .kt-why > summary::before,.kt-more > summary::before,.kt-about > summary::before{transition:none;} }
/* The item header stays to one line of meta: intro text waits in "About this" */
.kt-about-b p{margin:0 0 8px;max-width:68ch;}

/* ---- Tool Studio (docs/tools-calm.md; tool-kit.js studio) ---- */
/* #app is the render target only: every part moves into the studio */
.kt-staging{display:none !important;}
body.ls-on .anp-crumb{display:none !important;}
.ls-root .kt-first{position:relative;display:block;padding-left:18px;margin:0;font:800 15px/1.45 var(--font-ui);color:var(--cink);max-width:none;}
.ls-root .kt-first::before{content:"";position:absolute;left:0;top:6px;width:10px;height:10px;border-radius:50%;background:var(--cink);}
.ls-root .kt-first b{color:var(--ink);}
.ls-root .kt-first:empty{display:none;}
.ls-sheet .kt-why,.ls-sheet .kt-about{margin:0;}
/* the picker: one compact row in the dock, the list opens below it */
.ls-dock .kp{margin:0;background:var(--surface2);box-shadow:none;border-radius:14px;}
.ls-dock .kp-sum{flex-wrap:nowrap;min-height:44px;padding:8px 14px;border-radius:14px;}
.ls-dock .kp-label{font:800 var(--ls-s) var(--font-ui);letter-spacing:0;text-transform:none;color:var(--muted);}
.ls-dock .kp-cur{flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font:700 var(--ls-m) var(--font-ui);}
.ls-dock .kp-n{display:none;}
.ls-dock .kp-list{max-height:min(44vh,420px);}
.ls-dock .kp-item{background:var(--white);}
.ls-dock .kp .kp-gh{letter-spacing:0;text-transform:none;font-size:var(--ls-s);}
/* Keep going inside Details: no tinted card in a card */
.ls-sheet .kg{margin:0;padding:14px 0 0;border-top:1px solid var(--line-soft);border-radius:0;background:none;}
.ls-sheet .kg-h,.ls-root .kg-h{font:900 var(--ls-m) var(--font-ui);letter-spacing:0;text-transform:none;color:var(--ink);}
.ls-root .kg-k{letter-spacing:0;text-transform:none;font-size:12px;}
.ls-sheet .kg-link,.ls-sheet .kg-term{background:var(--surface2);box-shadow:inset 0 0 0 1.5px var(--line);min-height:44px;}
/* quiet disclosures in the dock: one row like the studio's own */
.ls-dock details.kt-more,.ls-dock details.kt-about{margin:0;padding:0;border:0;}
.ls-dock details.kt-more > summary,.ls-dock details.kt-about > summary{display:flex;width:100%;min-height:44px;padding:0 14px;border-radius:14px;background:var(--surface2);color:var(--ink);font:700 var(--ls-m) var(--font-ui);}
.ls-dock details.kt-more > summary::before,.ls-dock details.kt-about > summary::before{display:none;}
.ls-dock details.kt-more > summary::after,.ls-dock details.kt-about > summary::after{content:"";margin-left:auto;width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:translateY(-2px) rotate(45deg);flex:none;}
.ls-dock details[open].kt-more > summary::after,.ls-dock details[open].kt-about > summary::after{transform:translateY(2px) rotate(-135deg);}
.ls-dock .kt-more-b{padding:12px 2px 2px;}
.ls-root .ok{color:var(--good-text);} .ls-root .no{color:var(--bad-text);}
.ls-root .btn-press.sm{min-height:44px;}
.ls-root .btn-outline{min-height:44px;border-radius:999px;font:800 var(--ls-m) var(--font-ui);}
.ls-root button.link-quiet{min-height:44px;font:800 var(--ls-m) var(--font-ui);}
.ls-sheet .ls-sec > p,.ls-sheet .ls-sec > div > p{margin:0 0 8px;}
.ls-sheet .ls-sec > p:last-child{margin-bottom:0;}
.ls-root .report-btn{min-height:44px;display:inline-flex;align-items:center;}
.ls-dock .kg{margin:0;padding:14px 0 0;border-top:1px solid var(--line-soft);border-radius:0;background:none;}
.ls-dock .kg-link,.ls-dock .kg-term{background:var(--surface2);box-shadow:inset 0 0 0 1.5px var(--line);min-height:44px;}