/* เกมฝึกสมอง — hub, game shell and shared game widgets. Uses tokens from app.css. --sk = skill colour */
.sk-hello{margin:4px 0 12px}
.sk-hello .bubble{font-size:16px}
.sk-chips{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 8px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.sk-chips::-webkit-scrollbar{display:none}
.sk-chip{flex:none;border:2px solid var(--line);background:var(--card);border-radius:999px;padding:6px 14px;min-height:44px;font-size:16px;font-weight:700;white-space:nowrap}
.sk-chip.on{background:var(--pri);border-color:var(--pri);color:#fff}
.sk-count{margin:4px 2px 8px;color:var(--muted);font-size:15px}
.sk-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}
.sk-tile{position:relative;display:flex;flex-direction:column;align-items:center;gap:2px;padding:12px 6px 10px;min-height:128px;border-radius:var(--r);background:var(--card);box-shadow:var(--shadow);text-decoration:none;text-align:center;border-top:5px solid var(--k);animation:pop .4s backwards}
.sk-tile:active{transform:scale(.95)}
.sk-tile .ic{font-size:38px;line-height:1.15}
.sk-tile b{font-size:15px;line-height:1.3}
.sk-tile small{color:var(--muted);font-size:14px;line-height:1.3}
.sk-tile .st{font-size:14px;letter-spacing:-1px;min-height:14px}

/* intro */
.sk-intro{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:12px 14px 16px;text-align:center;border-top:8px solid var(--sk,var(--pri))}
.sk-head{display:flex;align-items:center;justify-content:center;gap:10px;text-align:left}
.sk-head .sk-tags{justify-content:flex-start}
.sk-big{font-size:56px;flex:none;line-height:1.1;animation:bounce 1.1s both}
.sk-intro h2{margin:4px 0;font-size:24px}
.sk-tags{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}
.sk-tags span{background:var(--line);border-radius:999px;padding:2px 10px;font-size:14px;font-weight:700}
.sk-how{display:flex;align-items:flex-end;justify-content:center;gap:6px;margin:12px 0 0;text-align:left}
.sk-how .mk-say{flex:1;min-width:0}
.sk-how .bubble{margin-bottom:22px;flex:1;cursor:pointer}
.sk-howt{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
.sk-how .bubble.open .sk-howt{display:block}
.sk-lbl{margin:8px 0 4px;color:var(--muted);font-weight:700;font-size:15px}
.sk-levels{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-width:420px;margin:0 auto}
.sk-lv{display:flex;flex-direction:column;align-items:center;border:3px solid var(--line);background:var(--card);border-radius:16px;padding:6px 4px;min-height:70px}
.sk-lv span{font-size:26px;line-height:1.1}
.sk-lv small{font-size:14px;letter-spacing:-1px}
.sk-lv.on{border-color:var(--sk,var(--pri));box-shadow:0 0 0 3px color-mix(in srgb,var(--sk,var(--pri)) 25%,transparent)}
.sk-go{margin-top:8px;min-width:220px;font-size:22px;min-height:60px;background:var(--sk,var(--pri))}

/* stage */
.sk-stage{position:relative;background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:10px 10px 6px;min-height:calc(100vh - var(--sk-hdr,64px) - 32px);min-height:calc(100dvh - var(--sk-hdr,64px) - 32px);display:flex;flex-direction:column;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.sk-hud{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px;min-height:48px}
.sk-hud-l{flex:1}
.sk-hud-r{font-variant-numeric:tabular-nums}
.sk-hud-r.low{color:var(--bad);animation:pop .5s infinite alternate}
.sk-quit{border:0;background:var(--line);width:48px;height:48px;border-radius:12px;font-size:18px;font-weight:800;flex:none}
.sk-bar{margin:6px 0 10px}
.sk-bar i{background:var(--sk,var(--pri))}
.sk-area{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;position:relative;min-height:0}
.sk-guide{display:flex;align-items:center;justify-content:flex-end;gap:6px;pointer-events:none;min-height:66px;margin-top:6px}
.sk-bubble{background:var(--card);border:2px solid var(--line);border-radius:16px 16px 4px 16px;padding:8px 12px;font-weight:700;font-size:16px;box-shadow:var(--shadow);line-height:1.35;flex:0 1 auto}
.sk-bubble.in{animation:pop .3s both}
.sk-mascot{flex:none}

/* shared widgets */
.sk-q{font-size:24px;font-weight:800;text-align:center;line-height:1.35}
.sk-q.big{font-size:44px}
.sk-choices{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;width:100%;max-width:520px}
.sk-choices.three{grid-template-columns:repeat(3,1fr)}
.sk-choices.four{grid-template-columns:repeat(4,1fr)}
.sk-choices.one{grid-template-columns:1fr}
.sk-grid-board{display:grid;gap:6px;width:100%;max-width:min(520px,62vh);margin:0 auto}
.sk-cell{aspect-ratio:1;display:grid;place-items:center;border-radius:12px;background:var(--bg);border:2px solid var(--line);font-size:clamp(18px,7vw,40px);font-weight:800;line-height:1;padding:0;transition:transform .12s,background .2s}
.sk-cell:active{transform:scale(.94)}
.sk-ok{animation:pop .4s;border-color:var(--ok)!important;background:#e6f8ee}
.sk-no{animation:shake .4s;border-color:var(--bad)!important}
@media (prefers-color-scheme:dark){.sk-ok{background:#173d2a}}
.sk-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;align-items:center}
.sk-pill{display:inline-flex;align-items:center;justify-content:center;min-width:52px;min-height:52px;padding:4px 12px;border-radius:14px;border:3px solid var(--line);background:var(--card);font-size:24px;font-weight:800;box-shadow:0 3px 0 var(--line)}
.sk-pill.sel{border-color:var(--focus)}
.sk-pill:disabled{opacity:.45}

/* memory match cards */
.mm-board{display:grid;gap:8px;width:100%;max-width:min(560px,70vh);margin:0 auto;perspective:800px}
.mm-card{position:relative;aspect-ratio:3/4;border:0;padding:0;background:none;transform-style:preserve-3d;transition:transform .45s cubic-bezier(.3,1.4,.6,1);animation:drop .5s backwards}
.mm-card.up,.mm-card.done{transform:rotateY(180deg)}
.mm-card .fc{position:absolute;inset:0;display:grid;place-items:center;border-radius:12px;backface-visibility:hidden;-webkit-backface-visibility:hidden;box-shadow:0 3px 0 rgba(0,0,0,.12)}
.mm-card .back{background:var(--sk,var(--pri));background-image:radial-gradient(circle at 30% 30%,rgba(255,255,255,.35) 0 12%,transparent 13%),radial-gradient(circle at 70% 70%,rgba(255,255,255,.25) 0 9%,transparent 10%);color:#fff;font-size:clamp(18px,6vw,30px)}
.mm-card .front{background:var(--card);border:3px solid var(--line);transform:rotateY(180deg);font-size:clamp(24px,11vw,52px);font-weight:800;line-height:1.1;text-align:center;padding:2px}
.mm-card .front.txt{font-size:clamp(13px,3.8vw,22px)}
.mm-card.done .front{border-color:var(--ok);animation:mmglow .6s}
.mm-card.miss .front{border-color:var(--bad)}
@keyframes mmglow{50%{box-shadow:0 0 0 6px color-mix(in srgb,var(--ok) 40%,transparent)}}

.sk-result{text-align:center}
.sk-result .mascot{margin:0 auto}
.sk-acts{display:flex;flex-direction:column;gap:10px;max-width:320px;margin:16px auto 0}
.sk-detail{color:var(--muted);margin:4px 0}
.sk-new{font-weight:800;color:var(--ok);animation:pop .5s 1s both}

/* game pages: no extra bottom padding, so the game screen fits exactly under the header */
body.sk-page main{padding-bottom:16px}

/* short screens (small phones, landscape): slimmer chrome so the game area fits */
@media (max-height:700px){
  .sk-guide{min-height:50px;margin-top:4px}
  .sk-mascot .mascot{width:46px!important;height:46px!important}
  .sk-bubble{font-size:14px;padding:6px 10px;margin-bottom:0}
  .sk-hud{min-height:36px;font-size:16px}
  .sk-bar{margin:4px 0 6px}
  .sk-result .mascot{width:80px!important;height:80px!important}
  .sk-result .big-stars{font-size:44px}
  .sk-result h2{font-size:20px;margin:6px 0}
  .sk-acts{gap:8px;margin-top:10px}
}
@media (max-height:440px){
  .sk-guide{display:none}
  .sk-big{font-size:40px}
  .sk-lbl{display:none}
  .sk-lv{min-height:54px;padding:2px}
  .sk-intro{padding:8px 12px 12px}
  .sk-go{min-height:52px}
}
@media (max-height:600px){.sk-result .mascot{width:64px!important;height:64px!important}.sk-result .big-stars{font-size:36px}.sk-detail,.sk-new{margin:2px 0;font-size:15px}}