:root{
  /* Wellesley brand */
  --w-red:#E4002B; --w-gold:#F6B21B; --w-sky:#00A3E0; --w-lime:#8DC63F;
  --w-pink:#EC008C; --w-orange:#F7941D; --w-purple:#7C4DFF;

  /* Corner identities — fixed for the whole product */
  --c1:#E63946; --c1-deep:#B4232F; --c1-soft:#FFE2E4; --c1-ink:#FFFFFF;
  --c2:#1D8FE1; --c2-deep:#0F63A6; --c2-soft:#DEF0FF; --c2-ink:#FFFFFF;
  --c3:#3FA34D; --c3-deep:#2A7538; --c3-soft:#E1F6E3; --c3-ink:#FFFFFF;
  --c4:#F5B301; --c4-deep:#C98C00; --c4-soft:#FFF4D6; --c4-ink:#4A3400;
  --c5:#8E5AD8; --c5-deep:#6739A8; --c5-soft:#F0E6FF; --c5-ink:#FFFFFF;
  --c6:#F2762E; --c6-deep:#C1541A; --c6-soft:#FFEBDD; --c6-ink:#FFFFFF;
  --c7:#00B0A6; --c7-deep:#00817A; --c7-soft:#D9F7F5; --c7-ink:#FFFFFF;
  --c8:#EC5A9C; --c8-deep:#BC3672; --c8-soft:#FFE4F0; --c8-ink:#FFFFFF;

  /* Surface */
  --ink:#2C2117; --ink-soft:#6B5A48; --ink-faint:#9C8B79;
  --paper:#FFFDF8; --paper-2:#FFF6E6;
  --bg-1:#FFF3DC; --bg-2:#FFE6C4; --bg-3:#FFD9E8;
  --line:#EADFC9; --line-strong:#D8C6A6;

  /* Shape */
  --r-xs:10px; --r-sm:16px; --r-md:24px; --r-lg:34px; --r-xl:46px;
  --border:5px;
  --sh-1:0 3px 0 rgba(44,33,23,.10), 0 8px 18px rgba(44,33,23,.09);
  --sh-2:0 6px 0 rgba(44,33,23,.12), 0 16px 34px rgba(44,33,23,.13);
  --sh-3:0 10px 0 rgba(44,33,23,.13), 0 26px 60px rgba(44,33,23,.18);
  --sh-in:inset 0 3px 10px rgba(44,33,23,.10);

  /* Motion */
  --e-out:cubic-bezier(.22,1,.36,1);
  --e-back:cubic-bezier(.34,1.56,.64,1);
  --t-fast:.18s; --t:.32s; --t-slow:.6s;

  /* Fluid type — tuned for reading from the back of a classroom */
  --fs-hero:clamp(2.6rem,6.2vw,6rem);
  --fs-xxl:clamp(2rem,4.4vw,4.2rem);
  --fs-xl:clamp(1.5rem,2.9vw,2.7rem);
  --fs-lg:clamp(1.18rem,1.9vw,1.75rem);
  --fs-md:clamp(1rem,1.32vw,1.28rem);
  --fs-sm:clamp(.85rem,1.02vw,1.02rem);
  --fs-xs:clamp(.74rem,.85vw,.88rem);

  --stage-pad:clamp(10px,1.4vw,22px);
  --font:"Baloo 2",ui-rounded,"SF Pro Rounded","Hiragino Maru Gothic ProN",
         "Quicksand","Nunito","Varela Round","Segoe UI Rounded","Segoe UI",
         system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{font-size:16px}
body{margin:0;min-height:100vh;font-family:"Trebuchet MS","Segoe UI",system-ui,sans-serif;color:var(--ink);
background:radial-gradient(circle at 12% 18%,rgba(255,217,232,.55),transparent 42%),radial-gradient(circle at 88% 12%,rgba(222,240,255,.7),transparent 40%),linear-gradient(165deg,var(--bg-1),var(--bg-2) 55%,#ffe9d2)}
body.contrast{--paper:#fff;--ink:#000;--ink-soft:#222;--line:#333;background:#fff}
body.big-text{font-size:18px}
body.reduced-motion *,body.reduced-motion *::before,body.reduced-motion *::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
a{color:inherit} img{max-width:100%;height:auto;display:block} button,input{font:inherit}
:focus-visible{outline:3px solid var(--w-sky);outline-offset:3px}
.site-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:12px 18px;background:rgba(255,253,248,.94);border-bottom:var(--border) solid var(--line);backdrop-filter:blur(8px);box-shadow:var(--sh-1)}
.brand-lock{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0}
.brand-lock img{width:64px;height:auto;flex-shrink:0}
.brand-lock .btitle{font-weight:950;font-size:clamp(16px,2.2vw,22px);line-height:1.1}
.brand-lock .bsub{color:var(--ink-soft);font-weight:700;font-size:12px}
.nav-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:var(--border) solid var(--ink);border-radius:999px;padding:10px 16px;font-weight:900;cursor:pointer;text-decoration:none;background:var(--paper);color:var(--ink);box-shadow:var(--sh-1)}
.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--w-red);color:#fff;border-color:#9d001e}
.btn-sky{background:var(--w-sky);color:#fff;border-color:#0077a8}.btn-gold{background:var(--w-gold);color:#3b2a00;border-color:#c98c00}
.btn-ghost{background:transparent;box-shadow:none}.btn-sm{padding:7px 12px;font-size:13px}.btn-lg{padding:14px 22px;font-size:18px}.btn-xl{padding:18px 28px;font-size:22px;border-width:6px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;border:3px solid var(--line-strong);background:var(--paper);font-weight:800;font-size:13px}
.wrap{width:min(1180px,100%);margin:0 auto;padding:18px 16px 80px}
.hero{display:grid;gap:18px;grid-template-columns:1.2fr .8fr;align-items:stretch;margin:12px 0 24px}
@media(max-width:900px){.hero{grid-template-columns:1fr}}
.hero-card,.panel{background:var(--paper);border:var(--border) solid var(--line-strong);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:22px}
.hero h1{margin:0 0 8px;font-size:clamp(28px,5vw,48px);line-height:1.05}
.hero .lead{margin:0 0 16px;color:var(--ink-soft);font-weight:700;font-size:clamp(15px,2vw,18px);line-height:1.45}
.kicker{display:inline-flex;align-items:center;gap:8px;font-weight:950;color:var(--w-red);letter-spacing:.04em;text-transform:uppercase;font-size:12px;margin-bottom:8px}
.stats{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}
.stat{background:var(--paper-2);border:3px solid var(--line);border-radius:18px;padding:10px 14px;min-width:110px}
.stat b{display:block;font-size:22px}.stat span{color:var(--ink-soft);font-weight:800;font-size:12px}
.search-box input{width:100%;padding:14px 16px;border-radius:18px;border:var(--border) solid var(--line-strong);background:#fff;font-weight:700}
.search-results{margin-top:12px;display:grid;gap:8px;max-height:360px;overflow:auto}
.search-hit{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:10px 12px;border-radius:16px;border:3px solid var(--line);background:#fff;text-decoration:none}
.search-hit .em{font-size:28px;width:40px;text-align:center}.search-hit small{color:var(--ink-soft);font-weight:700}
.empty-search{padding:16px;color:var(--ink-soft);font-weight:800}
.section-title{display:flex;align-items:end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:28px 0 12px}
.section-title h2{margin:0;font-size:clamp(22px,3vw,30px)}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.cat-card{display:flex;flex-direction:column;gap:8px;text-decoration:none;color:inherit;background:var(--paper);border:var(--border) solid var(--line-strong);border-radius:var(--r-md);padding:16px;box-shadow:var(--sh-1);border-top:10px solid var(--accent,var(--w-sky));min-height:168px}
.cat-card .ico{font-size:36px;line-height:1}.cat-card h3{margin:0;font-size:18px}.cat-card p{margin:0;color:var(--ink-soft);font-weight:700;font-size:13px;line-height:1.35;flex:1}
.cat-meta{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;font-weight:900;color:var(--ink-soft)}
.crumb{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-weight:800;color:var(--ink-soft);margin:8px 0 14px}
.crumb a{color:var(--w-sky);text-decoration:none}
.subnav{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 18px}
.subnav a{text-decoration:none;padding:8px 12px;border-radius:999px;border:3px solid var(--line-strong);background:#fff;font-weight:900;font-size:13px}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:12px 0 16px;position:sticky;top:72px;z-index:20;background:rgba(255,253,248,.92);padding:10px;border-radius:18px;border:3px solid var(--line)}
.verb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.verb-card{background:#fff;border:4px solid var(--line-strong);border-radius:22px;padding:12px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:6px;position:relative}
.verb-card.selected{border-color:var(--w-sky);background:var(--c2-soft)}
.verb-card .pick{position:absolute;top:8px;right:8px}
.verb-card .viz{font-size:48px;text-align:center;line-height:1.1;min-height:56px}
.verb-card .word{font-weight:950;font-size:20px;text-align:center}
.verb-card .meta{font-size:12px;font-weight:800;color:var(--ink-soft);text-align:center}
.verb-card .clue,.verb-card .sent{font-size:12px;font-weight:700;color:var(--ink-soft);line-height:1.3}
.verb-card .actions{display:flex;gap:6px;justify-content:center;margin-top:auto}
.sub-block{margin:22px 0}
.sub-block h3{margin:0 0 10px;padding:10px 14px;border-radius:16px;background:var(--accent-soft,#FFF4D6);border:3px solid var(--line-strong);display:inline-flex;align-items:center;gap:8px}
.pack-bar{position:fixed;bottom:0;left:0;right:0;z-index:60;background:rgba(255,253,248,.96);border-top:var(--border) solid var(--line-strong);padding:12px 16px;display:flex;gap:10px;flex-wrap:wrap;align-items:center;box-shadow:0 -8px 24px rgba(44,33,23,.1)}
.alpha-bar{display:flex;flex-wrap:wrap;gap:4px;margin:10px 0}
.alpha-bar a,.alpha-bar button{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:8px;border:2px solid var(--line);text-decoration:none;font-weight:900;font-size:12px;background:#fff;cursor:pointer}
.alpha-bar a:hover,.alpha-bar button:hover,.alpha-bar button.active{background:var(--w-gold)}
.alpha-panel{display:none}.alpha-panel.show{display:block}
.footer-note{margin:40px 0 20px;text-align:center;color:var(--ink-soft);font-weight:800;font-size:13px}
.help-list{margin:0;padding-left:18px;font-weight:700;color:var(--ink-soft);line-height:1.5}
.modal-bg{position:fixed;inset:0;background:rgba(44,33,23,.45);z-index:80;display:none;align-items:center;justify-content:center;padding:16px}
.modal-bg.open{display:flex}
.modal{background:var(--paper);border:var(--border) solid var(--line-strong);border-radius:var(--r-lg);padding:20px;max-width:640px;width:100%;max-height:90vh;overflow:auto}
.settings-grid{display:grid;gap:10px}
.settings-grid label{display:flex;justify-content:space-between;gap:12px;align-items:center;font-weight:800;padding:8px;border-radius:12px;background:var(--paper-2)}
.badge-warn{background:#FFF4D6;color:#7a5200;border:2px solid #F5B301;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:900}

/* Wellesley mark, top right of the library header. */
.brand-compact{height:38px;width:auto;margin-left:6px;flex:none}

/* Crest collage behind the library, matching the game setup screen. */
.page-backdrop{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.page-backdrop .tile{position:absolute;width:min(26vw,300px);aspect-ratio:3/2;
  background:url("../brand/wellesley-hifi.svg") center/contain no-repeat;
  opacity:.42;filter:saturate(.92)}
.page-backdrop .t1 {top:-6%;left:-7%;transform:rotate(-13deg) scale(1.05)}
.page-backdrop .t2 {top:2%;right:-8%;transform:rotate(10deg) scale(1.2)}
.page-backdrop .t3 {top:30%;left:16%;transform:rotate(5deg) scale(.72);opacity:.30}
.page-backdrop .t4 {bottom:-8%;left:-5%;transform:rotate(8deg) scale(1.1)}
.page-backdrop .t5 {bottom:0%;right:2%;transform:rotate(-7deg) scale(.95)}
.page-backdrop .t6 {top:14%;left:41%;transform:rotate(-4deg) scale(1.35);opacity:.26}
.page-backdrop .t7 {top:52%;right:20%;transform:rotate(13deg) scale(.66);opacity:.34}
.page-backdrop .t8 {top:66%;left:34%;transform:rotate(-9deg) scale(.88);opacity:.28}
.page-backdrop .t9 {top:-2%;left:26%;transform:rotate(6deg) scale(.6);opacity:.32}
.page-backdrop .t10{bottom:16%;left:60%;transform:rotate(-11deg) scale(1.0);opacity:.30}
.page-backdrop .t11{top:44%;left:-9%;transform:rotate(15deg) scale(.78);opacity:.34}
.page-backdrop .t12{bottom:34%;right:-7%;transform:rotate(-5deg) scale(1.12);opacity:.26}
.page-backdrop::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,253,248,.72),rgba(255,253,248,.84))}
.site-header,.wrap{position:relative;z-index:1}
body.high-contrast .page-backdrop{display:none}

/* Let the crest collage read through the cards so the page is unmistakably
   Wellesley, while keeping text on a near-solid surface for contrast. */
.hero-card,.panel{background:rgba(255,253,248,.90);backdrop-filter:blur(2px)}
.cat-card{background:rgba(255,253,248,.93)}
body.high-contrast .hero-card,
body.high-contrast .panel,
body.high-contrast .cat-card{background:var(--paper);backdrop-filter:none}