/* Classic Arcade (teens + grown-ups): dark retro-arcade look. No web fonts: system monospace only. */
.theme-teens{--bg:#0b0221;--bg2:#1a0838;--fg:#f6f0ff;--dim:#b9a8e6;--a1:#ff2bd6;--a2:#22e4ff;--a3:#b6ff3b;--warn:#ff2bd6;--panel:#160632;--edge:#3a1670;
  --glow:0 0 6px rgba(255,43,214,.85),0 0 18px rgba(255,43,214,.45);--glow2:0 0 6px rgba(34,228,255,.85),0 0 16px rgba(34,228,255,.4);
  --tile-g:#14c76a;--tile-y:#e3b505;--tile-b:#3b2f5c}
.theme-grown{--bg:#15110e;--bg2:#211b16;--fg:#f3e9d2;--dim:#bfb29a;--a1:#ffb000;--a2:#2ec4b6;--a3:#e63946;--warn:#e63946;--panel:#1f1914;--edge:#4a3d31;
  --glow:0 0 4px rgba(255,176,0,.7),0 0 12px rgba(255,176,0,.25);--glow2:0 0 4px rgba(46,196,182,.6);
  --tile-g:#3a8f5c;--tile-y:#c99a2e;--tile-b:#4a423a}
*{box-sizing:border-box}
html,body{margin:0}
body.ca{background:var(--bg);color:var(--fg);font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;-webkit-tap-highlight-color:transparent}
.theme-teens{background-image:linear-gradient(rgba(255,43,214,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(34,228,255,.06) 1px,transparent 1px);background-size:32px 32px}
.theme-grown::after{content:"";position:fixed;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(0,0,0,.18) 0 1px,transparent 1px 3px);z-index:50}
a{color:var(--a2)}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--a2);outline-offset:2px}
/* ------------------------------------------------ game page frame */
body.ca-game{height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden;overscroll-behavior:none;touch-action:manipulation}
.ca-bar{position:relative;z-index:45;flex:none;display:flex;align-items:center;gap:8px;padding:6px 10px;padding-top:max(6px,env(safe-area-inset-top));background:var(--panel);border-bottom:2px solid var(--edge)}
.ca-btn{flex:none;min-width:44px;height:44px;padding:0 10px;display:inline-grid;place-items:center;border:2px solid var(--edge);border-radius:10px;background:var(--bg2);color:var(--fg);font-size:18px;font-weight:800;text-decoration:none;cursor:pointer}
.ca-btn:hover{border-color:var(--a2)}
.ca-btn:active{transform:translateY(1px)}
.ca-brand{flex:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;min-width:44px;color:var(--dim);text-decoration:none;font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.ca-brand img{width:28px;height:28px;display:block}
.ca-brand span{display:none}
.ca-home .ca-brand span{display:inline}
.ca-title{flex:1;min-width:0;margin:0;font-size:clamp(15px,4.2vw,24px);letter-spacing:.08em;text-transform:uppercase;text-align:center;color:var(--a1);text-shadow:var(--glow);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ca-actions{flex:none;display:flex;gap:6px}
@media (min-width:760px){.ca-brand span{display:inline}}
.ca-hud{flex:none;display:flex;justify-content:space-around;align-items:center;gap:6px;padding:4px 8px;min-height:40px;background:var(--bg2);border-bottom:1px solid var(--edge);font-weight:800}
.hud-item{display:flex;flex-direction:column;align-items:center;line-height:1.05;min-width:0}
.hud-k{font-size:10px;letter-spacing:.14em;color:var(--dim)}
.hud-v{font-size:clamp(14px,4vw,20px);color:var(--fg);font-variant-numeric:tabular-nums;white-space:nowrap}
.hud-item.warn .hud-v{color:var(--warn);text-shadow:var(--glow)}
@media (max-width:420px){.hud-item.opt{display:none}}
.ca-stage{flex:1;min-height:0;position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;padding:8px;padding-bottom:max(8px,env(safe-area-inset-bottom))}
.cv-wrap{flex:1;min-height:0;width:100%;display:flex;align-items:center;justify-content:center}
.cv{display:block;image-rendering:pixelated;border:2px solid var(--edge);border-radius:6px;touch-action:none;background:#000}
.cv-aim{cursor:crosshair}
/* d-pad: touch screens and narrow windows */
.dpad{flex:none;display:none;grid-template-columns:repeat(3,64px);grid-template-rows:repeat(2,56px);gap:6px;grid-template-areas:". up ." "left down right"}
.pad-btn{border:2px solid var(--edge);border-radius:14px;background:var(--bg2);color:var(--a2);font-size:22px;touch-action:none;user-select:none;-webkit-user-select:none;cursor:pointer}
.pad-btn:active{background:var(--edge)}
.pad-up{grid-area:up}.pad-left{grid-area:left}.pad-down{grid-area:down}.pad-right{grid-area:right}
@media (pointer:coarse),(max-width:700px){.dpad{display:grid}}
/* overlays */
.ca-ov{position:fixed;inset:0;z-index:40;display:grid;place-items:center;padding:16px;background:rgba(5,2,12,.78)}
.ca-ov[hidden]{display:none}
.ov-card{width:min(460px,100%);max-height:calc(100dvh - 32px);overflow:auto;padding:20px 18px;border:2px solid var(--a1);border-radius:14px;background:var(--panel);text-align:center;box-shadow:0 0 0 4px var(--bg),var(--glow)}
.ov-card.win{border-color:var(--a3)}
.ov-kicker{font-size:12px;letter-spacing:.2em;color:var(--a2);text-shadow:var(--glow2)}
.ov-title{margin:6px 0 10px;font-size:clamp(24px,7vw,34px);text-transform:uppercase;letter-spacing:.06em;color:var(--a1);text-shadow:var(--glow)}
.ov-text{margin:8px 0;color:var(--fg);font-size:15px;line-height:1.45}
.ov-buttons{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.ca-big{min-height:52px;display:grid;place-items:center;padding:0 16px;border:2px solid var(--edge);border-radius:12px;background:var(--bg2);color:var(--fg);font-size:17px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;cursor:pointer}
.ca-big.primary{border-color:var(--a1);background:var(--a1);color:var(--bg)}
.theme-teens .ca-big.primary{box-shadow:var(--glow)}
/* ------------------------------------------------ Guess Grove */
.wg{flex:1;min-height:0;width:100%;max-width:520px;display:flex;flex-direction:column;align-items:center;gap:8px}
.wg-tabs{display:flex;gap:8px}
.wg-tab{min-height:44px;padding:0 16px;border:2px solid var(--edge);border-radius:999px;background:var(--bg2);font-weight:800;letter-spacing:.06em;cursor:pointer}
.wg-tab.on{border-color:var(--a1);color:var(--a1);text-shadow:var(--glow)}
.wg-board{flex:none;width:min(100%,330px,calc((100dvh - 430px) * 5 / 6));aspect-ratio:5/6;display:grid;grid-template-rows:repeat(6,1fr);gap:6px}
.wg-row{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.wg-tile{display:grid;place-items:center;border:2px solid var(--edge);border-radius:6px;font-size:clamp(20px,6vw,32px);font-weight:900;text-transform:uppercase;background:var(--bg)}
.wg-tile.filled{border-color:var(--dim)}
.wg-tile.m-g{background:var(--tile-g);border-color:var(--tile-g);color:#fff}
.wg-tile.m-y{background:var(--tile-y);border-color:var(--tile-y);color:#111}
.wg-tile.m-b{background:var(--tile-b);border-color:var(--tile-b);color:#ddd}
.wg-tile.flip{animation:flip .35s}
@keyframes flip{0%{transform:rotateX(0)}50%{transform:rotateX(90deg)}100%{transform:rotateX(0)}}
.wg-row.shake{animation:shake .35s}
@keyframes shake{20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
.wg-msg{min-height:22px;font-size:15px;font-weight:700;color:var(--dim);text-align:center}
.wg-msg.bad{color:var(--warn)}
.wg-kb{flex:none;width:100%;display:flex;flex-direction:column;gap:6px;margin-top:auto}
.kb-row{display:flex;gap:5px;justify-content:center}
.kb-key{flex:1;max-width:46px;height:54px;padding:0;border:none;border-radius:8px;background:var(--edge);color:var(--fg);font-size:17px;font-weight:800;cursor:pointer;touch-action:manipulation}
.kb-key.wide{flex:1.6;max-width:72px;font-size:12px}
.kb-key.m-g{background:var(--tile-g);color:#fff}.kb-key.m-y{background:var(--tile-y);color:#111}.kb-key.m-b{background:var(--bg);color:#777}
/* ------------------------------------------------ Word Thicket */
.ws{flex:1;min-height:0;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}
.ws-board{flex:none;display:flex;align-items:center;justify-content:center}
.ws-words{flex:none;margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:4px 10px;max-width:640px;font-weight:800;font-size:14px;letter-spacing:.06em}
.ws-theme{width:100%;text-align:center;color:var(--a1);text-shadow:var(--glow);text-transform:uppercase;letter-spacing:.16em}
.ws-word{color:var(--fg)}
.ws-word.found{color:var(--dim);text-decoration:line-through;opacity:.6}
@media (min-width:900px) and (min-aspect-ratio:1/1){.ws{flex-direction:row;justify-content:center}.ws-words{flex-direction:column;flex-wrap:nowrap;width:220px;align-items:flex-start}.ws-theme{text-align:left}}
/* ------------------------------------------------ section home */
body.ca-home{min-height:100vh}
.sec{max-width:1040px;margin:0 auto;padding:12px 16px 28px}
.sec-top{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.sec-nav{display:flex;gap:8px;flex-wrap:wrap}
.sec-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border:2px solid var(--edge);border-radius:999px;background:var(--bg2);color:var(--fg);text-decoration:none;font-weight:800;font-size:14px}
.sec-head{text-align:center;margin:18px 0 16px}
.sec-head h1{margin:0;font-size:clamp(30px,9vw,60px);letter-spacing:.08em;text-transform:uppercase;color:var(--a1);text-shadow:var(--glow);line-height:1.05}
.sec-head p{margin:10px auto 0;max-width:36em;color:var(--dim);font-size:15px}
.cabs{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.cab{display:flex;flex-direction:column;gap:6px;min-height:150px;padding:16px;border:2px solid var(--edge);border-radius:14px;background:var(--panel);color:var(--fg);text-decoration:none;transition:transform .15s,border-color .15s}
.cab:hover,.cab:focus-visible{transform:translateY(-3px);border-color:var(--a1);box-shadow:var(--glow)}
.cab svg{width:56px;height:56px;image-rendering:pixelated}
.cab-name{font-size:21px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;color:var(--a2);text-shadow:var(--glow2)}
.cab-desc{font-size:14px;color:var(--fg);line-height:1.4}
.cab-best{margin-top:auto;font-size:12px;letter-spacing:.12em;color:var(--dim)}
.sec-foot{margin-top:26px;text-align:center;color:var(--dim);font-size:13px;line-height:1.6}
.sec-foot a{display:inline-flex;align-items:center;min-height:44px;padding:0 10px}
@media (prefers-reduced-motion:reduce){.wg-tile.flip,.wg-row.shake{animation:none}.cab{transition:none}}
@media (max-width:480px){.ca-btn{padding:0;font-size:16px}.ca-bar{gap:5px;padding-left:6px;padding-right:6px}.ca-actions{gap:4px}.ca-title{letter-spacing:.01em;font-size:clamp(13px,3.9vw,18px)}.ca-brand img{width:24px;height:24px}}
/* ------------------------------------------------ Grove 2048 */
.mg{flex:1;min-height:0;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}
.mg-grid{width:min(100%,460px,calc(100dvh - 230px));aspect-ratio:1;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:8px;border:2px solid var(--edge);border-radius:12px;background:var(--panel);touch-action:none;user-select:none;-webkit-user-select:none}
.mg-cell{display:grid;place-items:center;border-radius:8px;background:var(--bg2);font-weight:900;font-size:clamp(20px,7vw,40px);color:var(--bg)}
.mg-cell.v2{background:#3a2a6b;color:var(--fg)}.mg-cell.v4{background:#4b2e8a;color:var(--fg)}.mg-cell.v8{background:#7a2fb0;color:#fff}.mg-cell.v16{background:#a52fc0;color:#fff}
.mg-cell.v32{background:#d02bb8;color:#fff}.mg-cell.v64{background:#ff2bd6;color:#fff}.mg-cell.v128{background:#22e4ff;font-size:clamp(18px,6vw,34px)}.mg-cell.v256{background:#45f0c8;font-size:clamp(18px,6vw,34px)}
.mg-cell.v512{background:#b6ff3b;font-size:clamp(18px,6vw,34px)}.mg-cell.v1024,.mg-cell.v2048,.mg-cell.v4096{background:#ffd23f;font-size:clamp(15px,5vw,28px);box-shadow:var(--glow)}
.mg-cell.pop{animation:mgpop .18s}.mg-cell.new{animation:mgnew .18s}
@keyframes mgpop{50%{transform:scale(1.12)}}@keyframes mgnew{from{transform:scale(.3);opacity:.3}}
.mg-msg{min-height:22px;font-weight:800;color:var(--dim);text-align:center}
@media (prefers-reduced-motion:reduce){.mg-cell.pop,.mg-cell.new{animation:none}}
/* ------------------------------------------------ Berry Burst */
.m3{flex:1;min-height:0;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}
.m3-bar{width:min(100%,520px);height:12px;border:2px solid var(--edge);border-radius:999px;background:var(--bg2);overflow:hidden}
.m3-fill{height:100%;width:0;background:linear-gradient(90deg,var(--a1),var(--a2));transition:width .3s}
.m3-grid{width:min(100%,520px,calc(100dvh - 250px));aspect-ratio:1;display:grid;grid-template-columns:repeat(8,1fr);gap:3px;padding:5px;border:2px solid var(--edge);border-radius:12px;background:var(--panel);touch-action:none;user-select:none;-webkit-user-select:none}
.m3-cell{display:grid;place-items:center;border-radius:8px;background:var(--bg2);font-size:clamp(22px,8vw,46px);line-height:1;cursor:pointer;transition:transform .12s}
.m3-cell.sel{outline:3px solid var(--a3);transform:scale(1.08)}
.m3-cell.cur{outline:3px dashed var(--a2)}
.m3-cell.pop{animation:m3pop .22s forwards}
.m3-cell.shake{animation:shake .3s}
@keyframes m3pop{to{transform:scale(.2);opacity:0}}
.m3-msg{min-height:22px;font-weight:800;color:var(--dim);text-align:center}
@media (prefers-reduced-motion:reduce){.m3-cell.pop,.m3-cell.shake{animation:none}.m3-fill{transition:none}}
/* ------------------------------------------------ Rooftop Dash + Beat Lanes touch pads */
.run-pad{flex:none;display:none;width:min(100%,520px);grid-template-columns:1fr 1.4fr;gap:10px}
.run-pad .pad-btn{min-height:64px;font-weight:900;font-size:18px;letter-spacing:.08em}
@media (pointer:coarse),(max-width:700px){.run-pad{display:grid}}
.bl-pads{flex:none;width:min(100%,520px);display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.bl-pad{min-height:64px;border:3px solid var(--edge);border-radius:14px;background:var(--bg2);color:var(--fg);font-size:20px;font-weight:900;touch-action:none;user-select:none;-webkit-user-select:none;cursor:pointer}
.bl-pad.l0{border-color:#ff2bd6}.bl-pad.l1{border-color:#22e4ff}.bl-pad.l2{border-color:#b6ff3b}.bl-pad.l3{border-color:#ffd23f}
.bl-pad.on{background:var(--edge);transform:translateY(2px)}