/* Mobile task hierarchy: board, feedback, actions, then optional detail. */
.mobile-nav{display:none}.home-resume{max-width:800px;margin-bottom:24px}.home-resume h1{font-size:clamp(32px,4vw,46px)}.session-choice{display:inline-flex;gap:10px;align-items:center;margin:16px;color:var(--muted);font-size:13px}.session-choice select,.training-options select{min-height:44px;padding:8px;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:5px}.assessment-mini{margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}.assessment-mini>span{display:block;color:var(--muted);font-size:13px;margin-top:4px}.home-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.home-metrics .metric{border-bottom:0}.home-links{margin-bottom:24px}.all-motifs,.method-details{margin:20px 0}summary{cursor:pointer;min-height:44px;display:list-item;padding:10px 0;color:var(--ink);font-size:14px}details[open]>summary{margin-bottom:10px}.all-motifs .target{margin:20px 0}.all-motifs .motif-card{min-height:210px}.result-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.result-card{border:1px solid var(--line);background:var(--panel);padding:18px;border-radius:8px;min-width:0}.result-card-head{display:flex;align-items:baseline;justify-content:space-between;gap:14px}.result-card h3{font-size:16px;margin:0;overflow-wrap:anywhere}.result-card-head>strong{font-size:24px;font-weight:500;color:var(--lime);white-space:nowrap}.result-card p{font-size:13px;line-height:1.5}.result-card button{width:100%;margin-top:8px}.result-card dl{margin:6px 0;font-size:13px}.result-card dl>div{display:flex;justify-content:space-between;gap:12px;margin:8px 0}.result-card dt{color:var(--muted)}.result-card dd{margin:0;text-align:right}.result-card a{display:inline-flex;min-height:44px;align-items:center}.result-card details{border-top:1px solid var(--line)}#score-table>.result-cards,#theme-table>.result-cards{display:none}.session-count{font-size:13px;color:var(--muted);margin-left:auto}.overall-progress{display:flex;justify-content:space-between;gap:16px;font-size:12px;color:var(--muted);margin:0 0 10px}.game .puzzle-session-head{gap:12px;min-height:44px;margin:0 0 4px}.game .layout{align-items:start}.game .puzzle-control-panel{margin-top:0}.game #feedback:empty{display:none}.game #feedback{border-left:2px solid var(--lime);padding-left:12px;margin:10px 0}.game #feedback p{color:var(--ink);margin:6px 0;font-size:13px}.game .puzzle-action-slot{display:flex;flex-wrap:wrap;gap:8px;min-height:0}.game .puzzle-action-slot button{width:auto;flex:1}.game .help-actions{gap:8px;margin-top:12px}.game #skip{width:100%;min-height:44px;color:var(--muted);text-align:left}.game .assist-rule{font-size:12px;margin:8px 0;color:var(--muted)}.game #hint-text:empty,.game #notation:empty,.game .promotion:empty{display:none}.game #hint-text{font-size:13px}.game .training-options{margin-top:14px;border-top:1px solid var(--line)}.training-options label{display:flex;justify-content:space-between;margin:10px 0}.training-options button{margin:6px 0;min-height:44px}.game #review-last{min-height:44px}.session-summary{max-width:720px;margin:auto}.review-dialog{width:min(540px,calc(100% - 24px));max-height:94dvh;overflow:auto;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:12px;color:var(--ink)}.review-dialog::backdrop{background:#000b}.review-dialog .account-heading>button{min-width:44px;min-height:44px}.review-dialog p{font-size:13px}.review-dialog #review-board{max-width:min(100%,calc(100dvh - 280px));margin:12px auto}.review-dialog .turn-indicator{display:none}.review-dialog .board{box-shadow:0 0 0 2px var(--line)}.account-dialog .account-heading>button{min-width:44px;min-height:44px}.account-dialog details{border-top:1px solid var(--line);margin:18px 0;padding:4px 0}.account-dialog details p{font-size:13px}.account-dialog #account-signout{margin-top:12px}.account-dialog .account-reset-section{border-top:1px solid var(--line)}.account-dialog input[type=file]{display:block;font-size:12px}.account-dialog #account-admin-link{color:var(--lime);display:inline-flex;min-height:44px;align-items:center}.account-dialog .account-heading{position:sticky;top:0;background:var(--panel);padding-top:10px;z-index:2}
@media(max-width:1050px){.result-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){
 body{padding-bottom:calc(78px + env(safe-area-inset-bottom))}body:has(main#app.game){padding-bottom:calc(78px + env(safe-area-inset-bottom))!important}
 body>header{padding:10px 16px;min-height:58px}body>header nav{display:none!important}.brand{font-size:17px}.brand-mark{font-size:32px}.brand small{font-size:7px}
 .mobile-nav:has(button:not([hidden])){position:fixed;display:grid;grid-template-columns:repeat(4,1fr);bottom:0;left:0;right:0;z-index:20;min-height:64px;padding:4px 8px calc(4px + env(safe-area-inset-bottom));gap:4px;background:#171b13;border-top:1px solid var(--line);margin:0;box-shadow:0 -5px 20px #0003}
 .mobile-nav button{min-height:52px;min-width:44px;font-size:13px;border:0;border-radius:6px;color:var(--muted);background:transparent;padding:8px 0}.mobile-nav button.active{color:var(--lime);background:#d5ff5f12;box-shadow:inset 0 2px var(--lime)}
 main{padding:22px 16px}.home-resume h1{font-size:34px;margin-top:8px}.home-resume>p{font-size:14px}.home-resume>.primary{width:100%}.session-choice{display:flex;justify-content:space-between;margin:14px 0}.assessment-mini{margin-top:14px;padding-top:14px}.home-metrics .metric{padding:14px}.home-metrics .metric strong{font-size:26px}.home-metrics .metric:nth-child(-n+2){border-bottom:0}.home-metrics{margin-bottom:24px}
 .result-cards{grid-template-columns:1fr}.result-card{padding:16px}#score-table,#theme-table{padding:0;border:0;background:none;overflow:visible}#score-table>.result-cards,#theme-table>.result-cards{display:grid}.desktop-table{display:none}.library-metrics{display:none}.library-filters{position:relative}.training-plan{padding:18px}.training-plan>p{font-size:13px}.method-details p{font-size:13px}.all-motifs{padding:16px}.home-links>*{width:100%}.motif-grid{grid-template-columns:1fr}
 .game{padding:4px 12px 16px}.game .puzzle-session-head{flex-wrap:nowrap;gap:8px;min-height:44px}.game .puzzle-session-head button{font-size:12px;padding:8px 0;white-space:nowrap}.game .session-count{font-size:11px}.game .overall-progress{margin:0 0 8px;font-size:12px;min-height:18px}.game .layout{display:flex;flex-direction:column;gap:12px;align-items:stretch}.game #board{order:0;width:min(100%,calc(100svh - 190px));align-self:center}.game .layout>.puzzle-control-panel{order:1;display:block;padding:0;background:transparent;border:0;margin:0}.game .status{min-height:0;font-size:13px;margin:0 0 8px;display:block}.game .status[data-state=ready]{color:var(--muted)}.game #feedback{margin-top:8px}.game .puzzle-action-slot{display:flex;min-height:0}.game .puzzle-action-slot>button{min-height:44px;font-size:13px}.game .help-actions{display:flex;flex-wrap:wrap}.game .help-actions .secondary{flex:1;min-height:44px;font-size:13px}.game .assist-rule{font-size:12px}.game .puzzle-control-panel details{font-size:13px}.game .training-options .next-mode-label{font-size:13px}.game #board>.turn-indicator{font-size:10px;min-height:22px}.game #review-last{padding-left:8px}
 :root .account-dialog{width:100%;height:100dvh;max-height:100dvh;margin:0;border:0;border-radius:0;padding:12px 20px calc(24px + env(safe-area-inset-bottom))}.account-heading h2{font-size:23px}.account-dialog .actions{margin-top:12px}.account-dialog .actions>button{width:100%}.account-dialog .account-reset-section{padding-top:4px;margin-top:18px;margin-bottom:18px}.account-dialog #account-signout{width:100%}.account-dialog #account-export{width:100%}.review-dialog{padding:16px}.session-summary{padding:22px}.session-summary .actions>button{width:100%}
 footer{margin-top:30px}
}
@media(max-height:500px) and (orientation:landscape){.game .layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(230px,1fr);gap:20px}.game #board{width:min(100%,calc(100svh - 185px));grid-column:1}.game .layout>.puzzle-control-panel{grid-column:2;grid-row:1}}

.help-actions button small{display:block;font-size:10px;font-weight:400;color:var(--muted);margin-top:3px}.game .help-actions .secondary{min-height:50px}.game #hint-text:empty{display:none}
@media(max-width:760px){:root .account-dialog{position:fixed;inset:0;max-width:none;width:100vw;max-height:100dvh;height:100dvh}.game .puzzle-control-panel .help-actions button small{font-size:11px}}