/* Design: Miro analysis (see DESIGN.md). Tokens first. */
:root{
  --canvas:#ffffff;--surface:#f7f8fa;--surface-2:#eef0f3;--hair:#e0e2e8;--hair-strong:#c7cad5;
  --ink:#1c1c1e;--charcoal:#2c2c34;--slate:#555a6a;--stone:#6b6f7e;
  --primary:#1c1c1e;--on-primary:#ffffff;--yellow:#ffd02f;--yellow-deep:#fcb900;--yellow-light:#fff4c4;--yellow-dark:#746019;
  --blue:#4262ff;--link:#3451e6;--teal-light:#c3faf5;--coral-light:#ffc6c6;--rose-light:#fde0f0;--orange-light:#ffe6cd;--mint-light:#d4f7e6;--lav-light:#ece8ff;
  --board:#ffffff;--dot:#d9dce4;--footer:#1c1c1e;
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:28px;--pill:9999px;
  --shadow-board:0 12px 32px -4px rgba(5,0,56,.08);--shadow-pop:0 16px 48px -8px rgba(5,0,56,.16);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans","Helvetica Neue",Arial,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --canvas:#16161a;--surface:#1f1f24;--surface-2:#26272d;--hair:#33343c;--hair-strong:#4a4b55;
  --ink:#f4f4f6;--charcoal:#e2e3e8;--slate:#a5a8b5;--stone:#9a9dab;
  --primary:#f4f4f6;--on-primary:#16161a;--link:#8fa1ff;--blue:#7d92ff;--yellow-light:#3a3218;--yellow-dark:#ffd02f;
  --teal-light:#173b38;--coral-light:#3f2525;--rose-light:#3c2534;--orange-light:#3d2f1f;--mint-light:#1c3a2c;--lav-light:#2a2640;
  --board:#1f1f24;--dot:#34353e;--footer:#0e0e11;color-scheme:dark;
}}
:root[data-theme="dark"]{
  --canvas:#16161a;--surface:#1f1f24;--surface-2:#26272d;--hair:#33343c;--hair-strong:#4a4b55;
  --ink:#f4f4f6;--charcoal:#e2e3e8;--slate:#a5a8b5;--stone:#9a9dab;
  --primary:#f4f4f6;--on-primary:#16161a;--link:#8fa1ff;--blue:#7d92ff;--yellow-light:#3a3218;--yellow-dark:#ffd02f;
  --teal-light:#173b38;--coral-light:#3f2525;--rose-light:#3c2534;--orange-light:#3d2f1f;--mint-light:#1c3a2c;--lav-light:#2a2640;
  --board:#1f1f24;--dot:#34353e;--footer:#0e0e11;color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--canvas);color:var(--ink);font:400 16px/1.55 var(--font);overflow-x:hidden}
a{color:var(--link);text-underline-offset:2px}
img,svg{max-width:100%}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:8px;z-index:50;background:var(--canvas);padding:8px 12px;border-radius:var(--r-sm)}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.wrap{padding:0 32px}}

/* Header */
.top{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--canvas) 92%,transparent);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--hair)}
.top .wrap{display:flex;align-items:center;gap:16px;height:60px}
.brand{white-space:nowrap;display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:500;font-size:18px;letter-spacing:-.3px}
.brand .mark{width:30px;height:30px;display:block;flex:none}
.brand .mark svg{width:30px;height:30px;display:block}.brand b{font-weight:800}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{white-space:nowrap;color:var(--slate);text-decoration:none;font-size:14px;font-weight:500;padding:8px 12px;border-radius:var(--pill)}
.nav a:hover,.nav a[aria-current]{color:var(--ink);background:var(--surface)}
.icon-btn{width:38px;height:38px;border-radius:var(--pill);border:1px solid var(--hair);background:var(--canvas);color:var(--ink);display:inline-grid;place-items:center;cursor:pointer}
.icon-btn svg{width:18px;height:18px}
.menu-btn{display:none}
@media(max-width:860px){
  .nav{display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--canvas);border-bottom:1px solid var(--hair);padding:8px 16px 16px;box-shadow:var(--shadow-pop)}
  .nav.open{display:flex}.nav a{font-size:16px;padding:12px}
  .menu-btn{display:inline-grid;margin-left:auto}
}

/* Type */
h1,h2,h3{font-weight:500;color:var(--ink);margin:0}
h1{font-size:32px;line-height:1.12;letter-spacing:-1px}
h2{font-size:26px;line-height:1.2;letter-spacing:-.5px;margin:48px 0 12px}
h3{font-size:19px;line-height:1.35;margin:28px 0 8px}
@media(min-width:768px){h1{font-size:44px;letter-spacing:-1.2px}h2{font-size:32px}}
.lede{color:var(--slate);font-size:17px;max-width:760px;margin:10px 0 0}
.hero{padding:28px 0 16px}
.crumbs{font-size:13px;color:var(--stone);margin-bottom:10px}.crumbs a{color:var(--stone)}
.prose{max-width:780px}
.prose p,.prose li{color:var(--charcoal)}
.prose ul,.prose ol{padding-left:22px}
.muted{color:var(--slate)}.small{font-size:13px}
.num{font-variant-numeric:tabular-nums;font-weight:600}

/* Buttons and controls */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:var(--pill);border:1px solid transparent;font:500 14px/1.2 var(--font);cursor:pointer;text-decoration:none;white-space:nowrap}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--primary);color:var(--on-primary)}
.btn-primary:hover{opacity:.88}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--hair-strong)}
.btn-secondary:hover{background:var(--surface)}
.btn-yellow{background:var(--yellow);color:#1c1c1e}
.btn-sm{min-height:36px;padding:6px 14px;font-size:13px}
.seg{display:inline-flex;background:var(--surface);border:1px solid var(--hair);border-radius:var(--pill);padding:3px;gap:2px}
.seg button{border:0;background:transparent;color:var(--slate);font:500 13px/1 var(--font);padding:9px 14px;border-radius:var(--pill);cursor:pointer;min-height:34px}
.seg button[aria-pressed="true"]{background:var(--primary);color:var(--on-primary)}
label.fld{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:500;color:var(--slate)}
input[type=text],input[type=number],select{font:400 16px/1.2 var(--font);color:var(--ink);background:var(--canvas);border:1px solid var(--hair-strong);border-radius:var(--r-sm);height:44px;padding:0 12px;width:100%;min-width:0}
input:focus,select:focus{outline:none;border:2px solid var(--blue);padding:0 11px}
input[type=color]{width:44px;height:44px;border:1px solid var(--hair-strong);border-radius:var(--r-sm);padding:4px;background:var(--canvas)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--hair-strong);background:var(--canvas);color:var(--ink);border-radius:var(--pill);padding:7px 14px;font:500 13px/1.2 var(--font);cursor:pointer;min-height:36px}
.chip:hover{background:var(--surface)}
.chip .dot{width:10px;height:10px;border-radius:50%}
details.kids{width:100%}details.kids summary{list-style:none;display:inline-flex}details.kids summary::-webkit-details-marker{display:none}
.tag{display:inline-block;background:var(--yellow-light);color:var(--yellow-dark);font:600 12px/1 var(--font);padding:5px 9px;border-radius:var(--pill)}

/* The board */
@media(max-width:520px){.board-bar .btn-sm span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.board-bar .btn-sm{padding:6px 11px}}
.tool{display:grid;gap:16px;margin:8px 0 8px;grid-template-columns:minmax(0,1fr)}.tool>*{min-width:0}
@media(min-width:1000px){.tool.split{grid-template-columns:minmax(0,1fr) 340px;align-items:start}}
.board-card{background:var(--board);border:1px solid var(--hair);border-radius:var(--r-lg);box-shadow:var(--shadow-board);overflow:hidden;position:relative}
.board-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:10px 12px;border-bottom:1px solid var(--hair);background:var(--canvas)}
.board-bar .spacer{flex:1}
.board{position:relative;height:clamp(340px,62vh,620px);overflow-x:auto;overflow-y:hidden;background-color:var(--board);background-image:radial-gradient(var(--dot) 1.5px,transparent 1.6px);background-size:24px 24px;touch-action:pan-x}
.board svg{display:block;height:100%;max-width:none}
#bd-svg,#pp-svg,#tv-svg{color:var(--ink)}
.diagram{margin:12px 0 8px;display:grid;gap:10px;justify-items:start}.diagram svg{background:var(--canvas);border:1px solid var(--hair);border-radius:var(--r-lg);padding:8px}.diagram figcaption{color:var(--charcoal);max-width:640px}
.scroll-hint{position:absolute;right:10px;bottom:10px;background:var(--primary);color:var(--on-primary);font-size:12px;font-weight:500;padding:5px 10px;border-radius:var(--pill);pointer-events:none;opacity:.85}
.board .empty{position:absolute;inset:0;display:grid;place-items:center;color:var(--stone);font-size:15px;text-align:center;padding:24px}
.panel{background:var(--canvas);border:1px solid var(--hair);border-radius:var(--r-lg);padding:16px}
.panel h2,.panel h3{font-size:18px;margin:0 0 12px;letter-spacing:0;font-weight:500}
.panel + .panel{margin-top:16px}
.people{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.people li{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--hair);border-radius:var(--r-md);background:var(--canvas)}
.people li.sel{border-color:var(--yellow-deep);box-shadow:0 0 0 2px var(--yellow-light)}
.people .sw{width:14px;height:14px;border-radius:4px;flex:none;border:1px solid rgba(0,0,0,.15)}
.people .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500;font-size:14px;cursor:pointer}
.people .ht{font-size:13px;color:var(--slate);font-variant-numeric:tabular-nums;white-space:nowrap}
.people button{border:0;background:transparent;color:var(--stone);cursor:pointer;width:32px;height:32px;border-radius:50%;display:grid;place-items:center}
.people button:hover{background:var(--surface);color:var(--ink)}
.people button svg{width:16px;height:16px}
.badge-pct{display:inline-block;font:600 11px/1 var(--font);background:var(--lav-light);color:var(--ink);padding:4px 7px;border-radius:var(--pill);margin-left:6px}
.diffs{margin:12px 0 0;padding:0;list-style:none;font-size:14px;color:var(--charcoal)}
.diffs li{padding:6px 0;border-top:1px solid var(--hair)}
.celeb-box summary{list-style:none}.celeb-box summary::-webkit-details-marker{display:none}
.celeb-list{list-style:none;margin:8px 0 0;padding:0;max-height:300px;overflow:auto;border:1px solid var(--hair);border-radius:var(--r-md)}
.celeb-list li{border-bottom:1px solid var(--hair)}.celeb-list li:last-child{border-bottom:0}
.celeb{display:grid;grid-template-columns:1fr auto;gap:0 10px;width:100%;text-align:left;background:transparent;border:0;padding:8px 10px;cursor:pointer;color:var(--ink);font:inherit}
.celeb:hover{background:var(--surface)}.celeb .cn{font-weight:500;font-size:14px}.celeb .cd{grid-column:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.celeb .ch{grid-row:1/3;grid-column:2;align-self:center;font-size:13px}
.looks{display:flex;gap:6px;flex:1;flex-wrap:wrap}.look{border:1px solid var(--hair);background:var(--canvas);border-radius:var(--r-sm);padding:3px 5px;cursor:pointer;line-height:0}.look.on{border-color:var(--ink);box-shadow:0 0 0 2px var(--yellow)}
.picker{display:flex;flex-wrap:wrap;gap:8px}
.hidden{display:none !important}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--primary);color:var(--on-primary);padding:10px 18px;border-radius:var(--pill);font-size:14px;z-index:60;box-shadow:var(--shadow-pop)}

/* Results */
.result{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-top:12px}
.stat{background:var(--surface);border-radius:var(--r-md);padding:14px 16px}
.stat .v{font-size:28px;font-weight:600;letter-spacing:-.5px;font-variant-numeric:tabular-nums;line-height:1.15}
.stat .l{font-size:12px;color:var(--slate);font-weight:500;margin-top:4px}
.stat.hl{background:var(--yellow-light)}
.stat.hl .l{color:var(--yellow-dark)}

/* Tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--hair);border-radius:var(--r-md);margin:12px 0}
table{border-collapse:collapse;width:100%;font-size:14px;font-variant-numeric:tabular-nums}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--hair);white-space:nowrap}
th{font-size:12px;font-weight:600;color:var(--slate);background:var(--surface);position:sticky;top:0}
tr:last-child td{border-bottom:0}
tr.hit td{background:var(--yellow-light);font-weight:600}
caption{caption-side:bottom;text-align:left;font-size:12px;color:var(--stone);padding:8px 12px}

/* Cards */
.cards{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));margin:16px 0}
.card{display:block;position:relative;border-radius:var(--r-xl);padding:22px;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid transparent;min-height:130px}
.card:hover{border-color:var(--hair-strong)}
.card h3{margin:0 0 6px;font-size:18px}
.card h3 a{color:inherit;text-decoration:none}.card h3 a::after{content:'';position:absolute;inset:0;border-radius:inherit}
.card:focus-within{outline:2px solid var(--ink);outline-offset:2px}.card h3 a:focus-visible{outline:none}
.card p{margin:0;color:var(--charcoal);font-size:14px}
.c-yellow{background:var(--yellow-light)}.c-teal{background:var(--teal-light)}.c-coral{background:var(--coral-light)}.c-rose{background:var(--rose-light)}.c-orange{background:var(--orange-light)}.c-mint{background:var(--mint-light)}.c-lav{background:var(--lav-light)}

/* Notes, FAQ, sources */
.note{background:var(--surface);border-left:4px solid var(--yellow);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:12px 16px;margin:16px 0;color:var(--charcoal);font-size:15px}
details.faq{border-bottom:1px solid var(--hair);padding:14px 0}
details.faq summary{cursor:pointer;font-weight:500;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:12px}
details.faq summary::after{content:"+";color:var(--stone);font-size:22px;line-height:1}
details.faq[open] summary::after{content:"\2212"}
details.faq p{margin:10px 0 0;color:var(--charcoal)}
.sources{font-size:13px;color:var(--slate)}
.sources li{margin:4px 0}
.updated{font-size:13px;color:var(--stone);margin-top:24px}

/* Footer */
.foot{background:var(--footer);color:#a5a8b5;margin-top:72px;padding:48px 0 32px;font-size:14px}
.foot .cols{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.foot h3{color:#fff;font-size:14px;margin:0 0 10px;font-weight:600}
.foot ul{list-style:none;margin:0;padding:0}.foot li{margin:6px 0}
.foot a{color:#c7cad5;text-decoration:none}.foot a:hover{color:#fff}
.foot .legal{border-top:1px solid #33343c;margin-top:32px;padding-top:20px;font-size:13px}

/* Actual-size calibration */
dialog.calib-dialog{border:0;border-radius:var(--r-lg);padding:0;width:min(960px,100vw - 16px);max-width:none;max-height:calc(100vh - 16px);background:var(--canvas);color:var(--ink);box-shadow:var(--shadow-pop)}
dialog.calib-dialog::backdrop{background:rgba(10,10,20,.55)}
.calib-in{padding:18px}.calib-in h2{font-size:20px;margin:0 0 6px}
.calib-stage{display:flex;justify-content:center;align-items:center;min-height:120px;margin:12px 0;overflow:auto}
.card-outline{flex:none;box-sizing:border-box;border:2px dashed var(--ink);background:var(--yellow-light);display:grid;place-items:center;color:var(--yellow-dark);font-weight:600;font-size:13px}
.calib-ctrl{flex-wrap:nowrap;align-items:center}.calib-ctrl input{flex:1;min-width:0}.calib-ctrl .btn{min-width:48px;font-size:20px}
.calib-ruler{height:12px;border:2px solid var(--ink);border-top:0;box-sizing:border-box}

/* Printable ring sizer: real millimetres when printed at 100% */
.print-sizer{overflow-x:auto;border:1px dashed var(--hair-strong);border-radius:var(--r-md);padding:16px;background:#fff;color:#1c1c1e}
.mm100{width:100mm;border-top:2px solid #1c1c1e;position:relative;margin:4px 0 18px}
.mm100 span{position:absolute;top:4px;left:0;font-size:12px}
.mm100::before,.mm100::after{content:"";position:absolute;top:-7px;width:2px;height:12px;background:#1c1c1e}.mm100::after{right:0}.mm100::before{left:0}
.rs-grid{display:flex;flex-wrap:wrap;gap:6mm;align-items:flex-end}
.rs{text-align:center}.rs-c{border:0.3mm solid #1c1c1e;border-radius:50%;margin:0 auto 2mm}
@media print{
  .print-sizer{border:0;padding:0}
  .top,.foot,.board-bar,.panel,.noprint,.hero .lede,nav,.crumbs{display:none !important}
  .board{height:auto;overflow:visible;background-image:none}
  .board-card{box-shadow:none;border:0}
  body{background:#fff;color:#000}
}

/* Embed mode (?embed=1): just the board and a credit link */
.embed .top,.embed .hero,.embed .prose,.embed .foot,.embed .side,.embed .skip,.embed #act-embed,.embed #act-share{display:none !important}
.embed .tool.split{grid-template-columns:1fr}
.embed body{background:transparent}
.embed main::after{content:"";display:block}
.embed-credit{display:none}.embed .embed-credit{display:block;text-align:right;font-size:12px;padding:6px 4px}
.photo{margin:16px 0 8px}.photo img{width:100%;height:auto;max-height:420px;object-fit:cover;border-radius:var(--r-lg);display:block}.photo figcaption{font-size:12px;color:var(--stone);margin-top:6px}

/* cookie banner (GA4 consent) */
.consent{position:fixed;left:16px;right:16px;bottom:16px;z-index:60;max-width:560px;margin:0 auto;background:var(--canvas);color:var(--ink);border:1px solid var(--hair-strong);border-radius:16px;box-shadow:0 10px 40px rgba(0,0,0,.18);padding:14px 16px;display:grid;gap:10px}
.consent[hidden]{display:none}.consent p{margin:0;font-size:14px;line-height:1.5}.consent-btns{display:flex;gap:8px;justify-content:flex-end}.consent-btns .btn{min-height:44px}
.embed .consent{display:none}