/* Block style (Procress 14, APP docs/TEMPLATES.md §6; page/style.js).
   Tokens only. An accent is a NAME bound here, never a hex the user typed,
   so a theme — built-in, a user's own or a package's — still owns the page.
   Contrast (test/block-style.test.mjs, every built-in theme, all 8 accents):
     tinted  --t1 on 12% accent over --bg          >= 12.5:1 on the three base
             themes; rainbow's own --t1/--bg is 12.0, so there it keeps
             >= 7:1 (AAA) and >= 80% of the theme's own contrast
     hero    white on the accent darkened 40%      >= 5.4:1 */

.page-blocks{
	/* the theme's own ink, captured ABOVE any hero so a surface nested
	   inside one can go back to it (a custom property inherits its value) */
	--th-t1:var(--t1);--th-t2:var(--t2);--th-t3:var(--t3-aa,var(--t2));
}

.pb-acc-kind{--pb-acc:#38bdf8}
.pb-acc-accent{--pb-acc:var(--accent)}
.pb-acc-blue{--pb-acc:#3b82f6}
.pb-acc-green{--pb-acc:#10b981}
.pb-acc-amber{--pb-acc:#d97706}
.pb-acc-rose{--pb-acc:#e11d48}
.pb-acc-violet{--pb-acc:#8b5cf6}
.pb-acc-slate{--pb-acc:#64748b}

/* variants */
.pblock.pb-v-card,.pblock.pb-v-outline,.pblock.pb-v-tinted,.pblock.pb-v-hero{border-radius:var(--r);padding:14px 16px}
.pblock.pb-v-card{background:var(--surface);border:1px solid var(--border);box-shadow:0 1px 2px rgba(0,0,0,.12)}
.pblock.pb-v-outline{border:1px solid color-mix(in srgb,var(--pb-acc,var(--accent)) 55%,var(--border))}
.pblock.pb-v-tinted{background:color-mix(in srgb,var(--pb-acc,var(--accent)) 12%,var(--bg));
	border-left:3px solid var(--pb-acc,var(--accent));
	/* --t3-aa is tuned to pass 4.5:1 on the theme's own ground, and the tint
	   costs it that on a light theme (4.0 on daylight/rose): quiet text in a
	   tinted block uses --t2, which keeps >= 4.69 on every accent */
	--t3-aa:var(--th-t2)}
.pblock.pb-v-hero{
	/* the lightest point is the 60% mix: that is what the contrast test reads */
	background:linear-gradient(135deg,color-mix(in srgb,var(--pb-acc,var(--accent)) 60%,#000),
		color-mix(in srgb,var(--pb-acc,var(--accent)) 44%,#000));
	--t1:#fff;--t2:#f4f4f8;--t3-aa:#ececf2;
	color:#fff;padding:22px 24px}
.pblock.pb-v-hero > .pb-head{font-size:calc(19px * var(--fsc,1))}
.pblock.pb-v-hero > .pb-body{font-size:calc(14.5px * var(--fsc,1))}
.pblock.pb-v-hero .pb-heading{font-size:calc(24px * var(--fsc,1))}
/* white belongs to the hero's own ground only: a surface inside it (an
   infobox, a card, an editor, a nested block) goes back to the theme */
.pblock.pb-v-hero .pb-body :is(.pbc-core-properties,.pc-infobox,.pc-callout,.pc-stat,.pc-roster-tile,.pc-toc,.pc-seealso,
	.mded,input:not(.pb-heading),select,textarea,.pblock.pb-v-card,.pblock.pb-v-outline,.pblock.pb-v-tinted,[class*="-card"]){
	--t1:var(--th-t1);--t2:var(--th-t2);--t3-aa:var(--th-t3);color:var(--th-t1)}
.pblock.pb-v-hero .pb-body :is(.pbc-core-properties,.pc-infobox,.pc-callout,.pc-stat,.pc-roster-tile,.pc-toc,.pc-seealso){background:var(--surface)}
.pblock.pb-v-hero a{color:var(--on-media);text-decoration:underline}

/* width — "normal" is the page's own column, as before §6. A readable
   page caps each BLOCK at 46rem (not the whole stack, as it did), so wide
   and full have room to break out; elsewhere the column is already the
   pane, and they change nothing. */
.pblock.pb-w-narrow{max-width:68ch;width:100%;margin-left:auto;margin-right:auto}
.pblock.pb-w-narrow.pb-al-left{margin-left:0}
.module-page.page-readable > .page-blocks{max-width:none}
.module-page.page-readable .page-blocks > :is(.pblock,.pb-empty){width:100%;max-width:46rem;margin-left:auto;margin-right:auto}
.module-page.page-readable .page-blocks > .pb-add{margin-left:max(0px,calc((100% - 46rem) / 2))}
.module-page.page-readable .page-blocks > .pblock.pb-w-narrow{max-width:68ch}
.module-page.page-readable .page-blocks > .pblock.pb-w-wide{max-width:64rem}
.module-page.page-readable .page-blocks > .pblock.pb-w-full{max-width:none}

/* align */
.pblock.pb-al-center > :is(.pb-head,.pb-body){text-align:center}
.pblock.pb-al-center > .pb-head{justify-content:center}
.pblock.pb-al-right > :is(.pb-head,.pb-body){text-align:right}
.pblock.pb-al-right > .pb-head{justify-content:flex-end}

/* density */
.pblock.pb-d-compact:is(.pb-v-card,.pb-v-outline,.pb-v-tinted){padding:8px 10px}
.pblock.pb-v-hero.pb-d-compact{padding:12px 14px}
.pblock.pb-d-compact{margin-block:-4px}

/* header + collapsible */
.pb-head{display:flex;align-items:center;gap:8px;font-weight:700;font-size:calc(14px * var(--fsc,1));color:var(--t1);
	padding:0 0 8px}
.pb-head .pb-ico{display:inline-flex;color:var(--pb-acc,var(--accent));font-size:calc(15px * var(--fsc,1))}
.pb-head .pb-ico svg{width:16px;height:16px}
.pblock.pb-v-hero .pb-head .pb-ico{color:var(--on-media)}
.pb-head-t{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pblock.pb-collapsible > .pb-head{cursor:pointer;user-select:none;border-radius:var(--r)}
.pblock.pb-collapsible > .pb-head:hover .pb-head-t{text-decoration:underline}
.pblock.pb-collapsible > .pb-head:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.pb-chev{margin-left:auto;color:var(--t3-aa,var(--t2));transition:transform var(--anim-dur,.15s)}
.pblock.pb-al-center > .pb-head .pb-chev,.pblock.pb-al-right > .pb-head .pb-chev{margin-left:4px}
.pblock.pb-closed > .pb-head{padding-bottom:0}
.pblock.pb-closed > .pb-head .pb-chev{transform:rotate(-90deg)}
.pblock.pb-closed > .pb-body{display:none}
/* an exported site or PDF runs no script to open it again: a folded block
   is printed open, its chevron gone (a style must not hide content, §6.4) */
body.ddx-site .pblock.pb-closed > .pb-body{display:block}
body.ddx-site .pb-chev{display:none}
body.ddx-site .pblock.pb-closed > .pb-head{padding-bottom:8px}

/* hideOn — never while arranging, or the block could not be found again */
.page-blocks.arranging .pblock[data-hide]{opacity:.62}

/* the ⚙ popover (page/style-pop.js) */
.pb-gear.active{background:var(--hover);color:var(--accentH)}
.pb-pop{position:fixed;z-index:var(--z-popover);width:320px;max-height:min(560px,calc(100vh - 24px));overflow:auto;
	background:var(--material-base,var(--surface));border:1px solid var(--border);border-radius:var(--rl);
	box-shadow:var(--shadow-menu);padding:12px;color:var(--t1);font-size:calc(var(--fs-body) * var(--fsc,1))}
@supports (backdrop-filter:blur(1px)){
	body[data-ui-style="fluent2"] .pb-pop{background:color-mix(in srgb,var(--surface) 86%,transparent);backdrop-filter:blur(24px) saturate(1.3)}
}
.pb-pop-top{display:flex;align-items:center;gap:6px;margin-bottom:8px}
.pb-pop-top b{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pb-pop h6{font-size:calc(var(--fs-meta) * var(--fsc,1));font-weight:700;letter-spacing:.05em;text-transform:uppercase;
	color:var(--t3-aa,var(--t2));margin:10px 0 4px}
.pb-tabs2{margin-bottom:4px} /* the segmented control itself: .seg (css/controls.css) */
.pb-sw{display:flex;gap:6px;flex-wrap:wrap}
.pb-sw .btn{width:22px;height:22px;min-height:22px;padding:0;border-radius:50%;background:var(--pb-acc);border:2px solid transparent}
.pb-sw .btn.on{border-color:var(--t1);box-shadow:0 0 0 2px var(--surface) inset}
.pb-row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.pb-pop input[type="text"],.pb-pop input[type="number"],.pb-pop select{width:100%;background:var(--raised);color:var(--t1);
	border:1px solid var(--border);border-radius:var(--r);padding:4px 6px;font:inherit}
.pb-pop .fv-useimg{display:flex;align-items:center;gap:6px;margin:4px 0}
.pb-pop-fields{display:flex;flex-direction:column;gap:2px;max-height:180px;overflow:auto}
.pb-pop-foot{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;padding-top:10px;border-top:1px solid var(--border)}
.pb-pop-foot .btn{flex:1 1 auto}
.pb-pop .drafter-hint{margin:4px 0}
/* a picker modal opened from the popover (a picture, a focal point) sits
   over the page; the popover steps aside until it closes */
body:has(#modal-overlay:not(.hidden)) .pb-pop{visibility:hidden}