/* ============ NAV ============ */
nav#topnav{
  max-width:var(--maxw);margin:18px auto 0;padding:0 20px;
  display:flex;align-items:center;justify-content:space-between;
  height:60px;border:1px solid var(--line);border-radius:16px;
  background:rgba(14,16,19,.66);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  width:calc(100% - 36px);
}
.brand{display:flex;align-items:center;gap:11px;cursor:pointer}
.brand .dot{width:9px;height:9px;border-radius:2px;background:var(--acc);box-shadow:0 0 12px var(--acc)}
.brand .name{font-family:var(--font-display);font-weight:600;letter-spacing:.16em;font-size:15px}
.brand .ver{font-family:var(--font-mono);font-size:10px;color:var(--acc);border:1px solid var(--acc-dim);border-radius:6px;padding:2px 6px;letter-spacing:.02em}
.nav-links{display:flex;gap:8px;align-items:center}
.nav-links a{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em;color:var(--muted);padding:8px 12px;border-radius:9px;transition:color var(--t-fast),background var(--t-fast)}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.04)}
.nav-links a.active{color:var(--ink);background:rgba(255,255,255,.06)}
.nav-index{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;color:var(--muted)}
.nav-index b{color:var(--acc);font-weight:600}
@media(max-width:680px){
  .nav-links a:not(.always){display:none}
  .nav-index{display:none}
}

/* ============ LAYOUT ============ */
.view{max-width:var(--maxw);margin:0 auto;padding:46px 20px 80px;animation:fade .4s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.page-head{margin-bottom:38px}
.page-head h1{font-family:var(--font-display);font-weight:600;font-size:clamp(30px,5vw,52px);line-height:1.02;letter-spacing:-.02em}
.page-head h1 .accent{color:var(--acc)}
.page-head .sub{margin-top:14px;max-width:62ch;color:var(--muted);font-size:clamp(15px,1.6vw,17px);line-height:1.55}

/* ============ PLAYER STRIP (gamification HUD) ============ */
.player{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin:30px 0 40px;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--line);
}
.player .cell{background:var(--bg-2);padding:18px 20px;display:flex;flex-direction:column;gap:8px}
.player .cell .label{display:flex;align-items:center;gap:7px}
.player .cell .big{font-family:var(--font-display);font-weight:600;font-size:clamp(24px,3vw,34px);line-height:1;color:var(--ink)}
.player .cell .big .unit{font-size:13px;color:var(--muted);font-family:var(--font-mono);margin-left:4px}
.player .cell.index .big{color:var(--acc)}
.xpbar{height:6px;border-radius:4px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:2px}
.xpbar > i{display:block;height:100%;background:var(--acc);box-shadow:0 0 10px var(--acc-glow);transition:width .5s ease}
@media(max-width:760px){.player{grid-template-columns:repeat(2,1fr)}}

/* ============ DASHBOARD CARDS ============ */
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:16px}
.card{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.022),rgba(255,255,255,0));
  padding:22px 20px 18px;cursor:pointer;overflow:hidden;
  transition:border-color var(--t-med),transform var(--t-med),background var(--t-med);
  display:flex;flex-direction:column;min-height:188px;
}
.card:hover{border-color:var(--line-2);transform:translateY(-3px)}
.card:hover .glyph{color:var(--acc);transform:scale(1.04)}
.card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--acc);transform:scaleX(0);transform-origin:left;transition:transform var(--t-med)}
.card:hover::after{transform:scaleX(1)}
.card .top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:auto}
.glyph{width:40px;height:40px;color:var(--muted);transition:color var(--t-med),transform var(--t-med)}
.glyph svg{width:100%;height:100%;display:block}
.card .idx{font-family:var(--font-mono);font-size:11px;color:rgba(255,255,255,.28)}
.card h3{font-family:var(--font-display);font-weight:600;font-size:19px;letter-spacing:-.01em;margin:16px 0 6px}
.card .desc{font-size:13px;line-height:1.5;color:var(--muted);min-height:38px}
.card .best{margin-top:14px;display:flex;align-items:baseline;justify-content:space-between;border-top:1px solid var(--line);padding-top:12px}
.card .best .bl{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}
.card .best .bv{font-family:var(--font-mono);font-size:14px;color:var(--acc);font-weight:500}
.card .best .bv.empty{color:rgba(255,255,255,.3)}

/* battery card spans + accents */
.card.feature{grid-column:span 2;min-height:auto;flex-direction:row;align-items:center;gap:24px;background:linear-gradient(110deg,var(--acc-dim),rgba(255,255,255,0) 60%)}
.card.feature .glyph{width:54px;height:54px;color:var(--acc)}
.card.feature .ftext h3{font-size:23px;margin-top:0}
@media(max-width:560px){.card.feature{grid-column:span 1;flex-direction:column;align-items:flex-start}}

/* ============ BUTTONS ============ */
.btn{font-family:var(--font-mono);font-size:14px;font-weight:500;cursor:pointer;border-radius:12px;
  padding:14px 22px;display:inline-flex;align-items:center;gap:9px;letter-spacing:.01em;border:1px solid transparent;
  transition:transform var(--t-fast),background var(--t-fast),border-color var(--t-fast)}
.btn:active{transform:translateY(1px)}
.btn-primary{color:#fff;background:var(--acc);box-shadow:0 6px 24px rgba(255,69,58,.22)}
.btn-primary:hover{background:#ff5a50}
.btn-ghost{color:var(--ink);background:transparent;border-color:var(--line-2)}
.btn-ghost:hover{border-color:rgba(255,255,255,.34);background:rgba(255,255,255,.03)}
.btn-sm{padding:10px 16px;font-size:13px}
.btn:disabled{opacity:.4;cursor:not-allowed}

/* ============ GAME SHELL ============ */
.gameview{max-width:var(--maxw);margin:0 auto;padding:26px 20px 70px}
.game-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.game-head .gh-left{display:flex;align-items:center;gap:14px;min-width:0}
.back{font-family:var(--font-mono);font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:7px;padding:9px 13px;border:1px solid var(--line);border-radius:10px;cursor:pointer;transition:color var(--t-fast),border-color var(--t-fast);flex:none}
.back:hover{color:var(--ink);border-color:var(--line-2)}
.game-title{font-family:var(--font-display);font-weight:600;font-size:clamp(18px,2.4vw,24px);letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.game-title .ver{font-family:var(--font-mono);font-size:10px;color:var(--acc);border:1px solid var(--acc-dim);border-radius:6px;padding:2px 6px}
.game-meta{display:flex;gap:18px;font-family:var(--font-mono);font-size:12px;color:var(--muted)}
.game-meta b{color:var(--acc);font-weight:600}

/* the stage: where each game mounts */
.stage{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:var(--panel);min-height:min(64vh,560px);
  display:flex;align-items:center;justify-content:center;text-align:center;
  user-select:none;-webkit-user-select:none;touch-action:manipulation;
}
.stage.clickable{cursor:pointer}

/* generic screens inside stage */
.screen{padding:40px 26px;display:flex;flex-direction:column;align-items:center;gap:20px;max-width:560px}
.screen .s-glyph{width:64px;height:64px;color:var(--acc);opacity:.9}
.screen .s-glyph svg{width:100%;height:100%}
.screen h2{font-family:var(--font-display);font-weight:600;font-size:clamp(24px,3.4vw,38px);letter-spacing:-.01em}
.screen p{color:var(--muted);font-size:15px;line-height:1.6;max-width:46ch}
.screen .big-num{font-family:var(--font-display);font-weight:600;font-size:clamp(54px,12vw,108px);line-height:.9;letter-spacing:-.03em}
.screen .big-num.acc{color:var(--acc)}
.screen .big-num.go{color:var(--go)}
.screen .unit-lg{font-family:var(--font-mono);font-size:16px;color:var(--muted);letter-spacing:.06em}
.screen .hint{font-family:var(--font-mono);font-size:12.5px;color:var(--faint);letter-spacing:.04em}
.screen .row{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}

/* result screen extras */
.result-stats{display:flex;gap:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:4px}
.result-stats .rs{padding:16px 26px;display:flex;flex-direction:column;gap:6px;align-items:center}
.result-stats .rs + .rs{border-left:1px solid var(--line)}
.result-stats .rs .v{font-family:var(--font-display);font-weight:600;font-size:26px;color:var(--ink)}
.result-stats .rs .v.acc{color:var(--acc)}
.result-stats .rs .l{font-family:var(--font-mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.pb-badge{font-family:var(--font-mono);font-size:12px;color:var(--go);border:1px solid var(--go-dim);background:var(--go-dim);border-radius:999px;padding:6px 14px;letter-spacing:.04em}
.xp-pop{font-family:var(--font-mono);font-size:13px;color:var(--acc)}

/* percentile bar */
.pctl{width:100%;max-width:420px;margin-top:6px}
.pctl .track{height:8px;border-radius:5px;background:rgba(255,255,255,.08);position:relative;overflow:hidden}
.pctl .track > i{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,var(--acc),#ff7a72);border-radius:5px}
.pctl .cap{display:flex;justify-content:space-between;margin-top:8px;font-family:var(--font-mono);font-size:11px;color:var(--muted)}

/* ============ GAME PRIMITIVES (shared by multiple games) ============ */
/* tile grids (sequence, visual, chimp) */
.board{display:grid;gap:12px;margin:0 auto}
.tile{
  border-radius:12px;background:#13161b;border:1px solid var(--line);
  aspect-ratio:1/1;cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:600;transition:background var(--t-fast),transform var(--t-fast),border-color var(--t-fast);
}
.tile:hover{border-color:var(--line-2)}
.tile.lit{background:var(--acc);border-color:var(--acc);box-shadow:0 0 22px var(--acc-glow)}
.tile.good{background:var(--go);border-color:var(--go)}
.tile.bad{background:var(--wait);border-color:var(--wait)}
.tile.show{background:#fff;color:#07080A}
.tile.cleared{opacity:.18;pointer-events:none}
.tile.blank{color:transparent}

/* lives / pips */
.pips{display:flex;gap:6px;align-items:center}
.pip{width:10px;height:10px;border-radius:50%;background:var(--acc);box-shadow:0 0 8px var(--acc-glow)}
.pip.dead{background:rgba(255,255,255,.14);box-shadow:none}

/* big input (number memory) */
.lab-input{font-family:var(--font-mono);font-size:28px;text-align:center;letter-spacing:.18em;color:var(--ink);
  background:#0c0f13;border:1px solid var(--line-2);border-radius:12px;padding:16px 18px;width:min(420px,80vw);outline:none}
.lab-input:focus{border-color:var(--acc);box-shadow:0 0 0 3px var(--acc-dim)}

/* verbal choice buttons */
.choices{display:flex;gap:14px}
.choice{font-family:var(--font-mono);font-size:15px;letter-spacing:.06em;padding:16px 34px;border-radius:12px;cursor:pointer;border:1px solid var(--line-2);background:transparent;color:var(--ink);transition:all var(--t-fast)}
.choice.seen:hover{border-color:var(--warn);color:var(--warn)}
.choice.nw:hover{border-color:var(--go);color:var(--go)}
.word{font-family:var(--font-display);font-weight:600;font-size:clamp(34px,6vw,62px);letter-spacing:-.01em}

/* typing test */
.typer{max-width:760px;width:100%;padding:30px;text-align:left}
.passage{font-family:var(--font-mono);font-size:19px;line-height:1.9;letter-spacing:.01em;color:rgba(255,255,255,.34);user-select:none}
.passage .c{transition:color .05s}
.passage .c.ok{color:var(--ink)}
.passage .c.err{color:#fff;background:var(--wait);border-radius:2px}
.passage .c.cur{border-bottom:2px solid var(--acc);background:var(--acc-dim)}
.typer .live{display:flex;gap:24px;margin-top:24px;font-family:var(--font-mono);font-size:13px;color:var(--muted)}
.typer .live b{color:var(--acc)}
.typer textarea.cap{position:absolute;opacity:0;pointer-events:none;left:-9999px}

/* aim target */
.aim-field{position:absolute;inset:0;cursor:crosshair}
.target{position:absolute;border-radius:50%;background:radial-gradient(circle at 38% 34%,#ff7a72,var(--acc) 58%,#c01e12);
  box-shadow:0 0 26px var(--acc-glow);transform:translate(-50%,-50%) scale(.4);animation:pop .12s forwards;cursor:crosshair}
.target::after{content:"";position:absolute;inset:32%;border-radius:50%;background:#0b0d10}
@keyframes pop{to{transform:translate(-50%,-50%) scale(1)}}

/* countdown / round label inside stage */
.stage-hud{position:absolute;top:14px;left:0;right:0;display:flex;justify-content:space-between;padding:0 18px;font-family:var(--font-mono);font-size:12px;color:var(--muted);letter-spacing:.06em;pointer-events:none}
.stage-hud b{color:var(--acc)}

/* reaction fullscreen colour states */
.reaction-pane{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:#fff}
.reaction-pane.wait{background:var(--wait)}
.reaction-pane.go{background:var(--go);color:#04140c}
.reaction-pane.too-soon{background:#111}
.reaction-pane h2{color:inherit}
.reaction-pane .rt-big{font-family:var(--font-display);font-weight:600;font-size:clamp(40px,9vw,84px)}

/* ============ STATS PAGE ============ */
.stat-block{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-2);padding:22px;margin-bottom:16px}
.stat-block .sb-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.stat-block .sb-head .t{font-family:var(--font-display);font-weight:600;font-size:18px;display:flex;gap:10px;align-items:center}
.stat-block .sb-head .t .g{width:22px;height:22px;color:var(--acc)}
.stat-block .sb-head .meta{font-family:var(--font-mono);font-size:12px;color:var(--muted);display:flex;gap:16px}
.stat-block .sb-head .meta b{color:var(--acc)}
.spark{width:100%;height:64px;display:block}
.spark .line{fill:none;stroke:var(--acc);stroke-width:2}
.spark .area{fill:url(#sparkfill);opacity:.9}
.spark .dot{fill:var(--acc)}
.empty-state{color:var(--muted);font-family:var(--font-mono);font-size:13px;padding:18px 0}

/* achievements */
.ach-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px;margin-top:14px}
.ach{border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--bg-2);display:flex;gap:13px;align-items:flex-start;opacity:.42;transition:opacity var(--t-med),border-color var(--t-med)}
.ach.on{opacity:1;border-color:var(--acc-dim)}
.ach .ai{width:26px;height:26px;color:var(--muted);flex:none}
.ach.on .ai{color:var(--acc)}
.ach .an{font-family:var(--font-display);font-weight:600;font-size:14px}
.ach .ad{font-size:12px;color:var(--muted);line-height:1.4;margin-top:3px}

/* toast for achievement unlocks */
.toast-wrap{position:fixed;right:18px;bottom:18px;z-index:50;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.toast{border:1px solid var(--acc-dim);background:rgba(14,16,19,.92);backdrop-filter:blur(10px);border-radius:12px;padding:13px 16px;display:flex;gap:11px;align-items:center;animation:toastin .3s ease;box-shadow:0 10px 40px rgba(0,0,0,.5)}
.toast .ti{width:22px;height:22px;color:var(--acc);flex:none}
.toast .tt{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.toast .tn{font-family:var(--font-display);font-weight:600;font-size:14px}
@keyframes toastin{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}

/* footer */
#appfooter{flex:none;border-top:1px solid var(--line);margin-top:20px}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:26px 20px;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-family:var(--font-mono);font-size:12px;color:var(--faint)}
.footer-inner .fbrand{color:var(--muted)}
.footer-inner a{color:var(--muted)}
.footer-inner a:hover{color:var(--ink)}

/* battery progress */
.battery-steps{display:flex;gap:8px;margin:18px 0 4px;flex-wrap:wrap;justify-content:center}
.bstep{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:7px 11px;display:flex;gap:7px;align-items:center}
.bstep.done{color:var(--go);border-color:var(--go-dim)}
.bstep.active{color:var(--acc);border-color:var(--acc-dim);background:var(--acc-dim)}
.bstep .bs-dot{width:6px;height:6px;border-radius:50%;background:currentColor}

/* ============ ACCOUNT (nav) ============ */
.nav-account{display:flex;align-items:center}
.account-wrap{position:relative}
.account-chip{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12.5px;color:var(--ink);
  background:rgba(255,255,255,.04);border:1px solid var(--line-2);border-radius:10px;padding:8px 13px;cursor:pointer;transition:border-color var(--t-fast)}
.account-chip:hover{border-color:rgba(255,255,255,.34)}
.account-chip .an{max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.account-menu{position:absolute;right:0;top:calc(100% + 8px);width:240px;background:rgba(14,16,19,.97);backdrop-filter:blur(14px);
  border:1px solid var(--line-2);border-radius:12px;padding:14px;display:none;flex-direction:column;gap:10px;z-index:40;box-shadow:0 16px 50px rgba(0,0,0,.55)}
.account-menu.open{display:flex}
.account-menu .am-email{font-family:var(--font-mono);font-size:12px;color:var(--ink);word-break:break-all}
.account-menu .am-status{font-family:var(--font-mono);font-size:11px;color:var(--go);letter-spacing:.02em}

/* ============ MODAL (auth) ============ */
.modal-overlay{position:fixed;inset:0;z-index:100;background:rgba(4,5,7,.72);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:20px;animation:fade .2s ease}
.modal{position:relative;width:min(420px,100%);background:var(--bg-2);border:1px solid var(--line-2);border-radius:18px;
  padding:30px 28px 24px;box-shadow:0 30px 90px rgba(0,0,0,.6);animation:modalin .26s cubic-bezier(.2,.8,.2,1)}
@keyframes modalin{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.modal-close{position:absolute;top:14px;right:16px;background:none;border:none;color:var(--muted);font-size:26px;line-height:1;cursor:pointer;transition:color var(--t-fast)}
.modal-close:hover{color:var(--ink)}
.modal-head{margin-bottom:20px}
.modal-title{font-family:var(--font-display);font-weight:600;font-size:26px;letter-spacing:-.01em;margin:8px 0 6px}
.modal-sub{color:var(--muted);font-size:14px;line-height:1.5}
.auth-tabs{display:flex;gap:6px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:11px;padding:4px;margin-bottom:18px}
.auth-tab{flex:1;font-family:var(--font-mono);font-size:13px;color:var(--muted);background:none;border:none;border-radius:8px;padding:9px;cursor:pointer;transition:all var(--t-fast)}
.auth-tab.on{color:var(--ink);background:rgba(255,255,255,.07)}
.auth-form{display:flex;flex-direction:column;gap:12px}
.field{font-family:var(--font-body);font-size:15px;color:var(--ink);background:#0c0f13;border:1px solid var(--line-2);border-radius:11px;padding:13px 15px;outline:none;transition:border-color var(--t-fast),box-shadow var(--t-fast)}
.field::placeholder{color:rgba(255,255,255,.32)}
.field:focus{border-color:var(--acc);box-shadow:0 0 0 3px var(--acc-dim)}
.auth-error{color:var(--acc);font-family:var(--font-mono);font-size:12px;min-height:16px;line-height:1.4}
.modal-foot{margin-top:16px;font-family:var(--font-mono);font-size:11px;color:var(--faint);text-align:center;line-height:1.5}

/* ============ "sign in to save" nudge ============ */
.nudge{display:flex;align-items:center;gap:14px;border:1px solid var(--acc-dim);background:var(--acc-dim);border-radius:var(--radius);
  padding:14px 18px;margin-bottom:18px;flex-wrap:wrap}
.nudge .nicon{width:20px;height:20px;color:var(--acc);flex:none}
.nudge .ntext{font-size:13.5px;color:var(--ink);flex:1;min-width:200px}
.nudge .ntext b{font-weight:600}
.nudge .nclose{background:none;border:none;color:var(--muted);font-size:20px;cursor:pointer;line-height:1}
body[data-auth="in"] .nudge{display:none}
@media(max-width:680px){.nav-account .btn span.g{display:none}}