.dlg-game-container{max-width:1200px;margin:0 auto;padding:20px 12px;font-family:var(--dlg-font);
  -webkit-user-select:none;user-select:none;-webkit-touch-callout:none;touch-action:manipulation}
.dlg-game-header{text-align:center;margin-bottom:20px}
.dlg-game-header h1{font-size:28px;font-weight:800;margin-bottom:6px}
.dlg-game-header p{font-size:14px;color:var(--dlg-text-secondary);margin:0 auto;max-width:480px}
.dlg-game-board-wrap{background:var(--dlg-card);border-radius:var(--dlg-radius-lg);border:1px solid var(--dlg-border);box-shadow:var(--dlg-shadow-md);overflow:hidden;position:relative;display:flex;flex-direction:column}
.dlg-game-canvas{position:relative;background:#f0f2f5;overflow:hidden;aspect-ratio:16/9;order:1;touch-action:none;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}
.dlg-game-canvas svg{display:block;width:100%;height:100%;touch-action:none}
.dlg-controls-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--dlg-bg);border-top:1px solid var(--dlg-border);order:2;flex-wrap:wrap;gap:8px}
.dlg-controls-bar .controls-nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.dlg-controls-bar .dlg-btn{font-size:13px;padding:8px 16px}
.dlg-controls-bar .lesson-counter{font-size:13px;font-weight:800;color:var(--dlg-text);background:#fff;border:1px solid var(--dlg-border);border-radius:20px;padding:6px 16px;min-width:110px;text-align:center;box-shadow:var(--dlg-shadow)}
.dlg-instruction-float{position:absolute;top:26px;left:50%;transform:translateX(-50%) scale(1);background:#fff;border-radius:18px;border:1px solid rgba(74,108,247,.16);box-shadow:0 12px 36px rgba(15,23,42,.22),0 2px 8px rgba(15,23,42,.12);padding:15px 24px 15px 18px;display:flex;align-items:flex-start;gap:13px;max-width:min(84%,560px);z-index:40;pointer-events:none;transition:opacity .35s ease,transform .35s ease}
.dlg-instruction-float .inst-icon{font-size:25px;flex-shrink:0;line-height:1.25}
.dlg-instruction-float .inst-text{display:flex;flex-direction:column;gap:3px;text-align:left}
.dlg-instruction-float .inst-title{font-size:12px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--dlg-primary)}
.dlg-instruction-float .inst-body{font-size:18px;font-weight:700;color:#111;line-height:1.35}
.dlg-instruction-float.hidden{opacity:0;transform:translateX(-50%) scale(.82)}
.dlg-html-overlay{position:absolute;inset:0;z-index:60;pointer-events:none}
.dlg-result-overlay{position:absolute;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;pointer-events:auto;animation:dlgFadeIn .3s ease;padding:16px}
.dlg-result-card{background:#fff;border-radius:28px;box-shadow:0 30px 80px rgba(0,0,0,.25);padding:56px 52px;text-align:center;max-width:600px;width:100%;animation:dlgScaleIn .3s ease;max-height:100%;overflow-y:auto}
.dlg-result-card .result-emoji{font-size:90px;margin-bottom:20px;display:block}
.dlg-result-card h2{font-size:34px;margin-bottom:12px;font-weight:800}
.dlg-result-card p{font-size:18px;color:var(--dlg-text-secondary);margin-bottom:30px;line-height:1.6}
.dlg-result-card p strong{color:var(--dlg-primary);font-weight:800}
.dlg-result-card .result-notes{text-align:left;margin:0 0 22px}
.dlg-result-card .dlg-note-item{font-size:15px;padding:12px;margin-bottom:8px}
.dlg-result-card .result-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.dlg-result-card .result-actions .dlg-btn{padding:14px 32px;font-size:17px;border-radius:12px}
.dlg-no-lesson-msg{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:rgba(255,255,255,.88);pointer-events:auto;text-align:center}
.dlg-no-lesson-msg .big-icon{font-size:56px;margin-bottom:12px}
.dlg-no-lesson-msg h3{font-size:20px;margin-bottom:6px}
.dlg-no-lesson-msg p{font-size:14px;color:var(--dlg-text-muted)}
.dlg-player-car{cursor:grab;touch-action:none;filter:drop-shadow(0 0 8px rgba(74,108,247,.9)) drop-shadow(0 0 22px rgba(74,108,247,.65));animation:dlgCarPulse 1.4s ease-in-out infinite}
.dlg-player-car:active{cursor:grabbing}
@keyframes dlgCarPulse{
0%,100%{filter:drop-shadow(0 0 6px rgba(74,108,247,.85)) drop-shadow(0 0 16px rgba(74,108,247,.5))}
50%{filter:drop-shadow(0 0 14px rgba(74,108,247,1)) drop-shadow(0 0 34px rgba(74,108,247,.9))}
}
.dlg-car-halo{fill:rgba(74,108,247,.4);transform-box:fill-box;transform-origin:center;animation:dlgHaloPulse 1.4s ease-in-out infinite;pointer-events:none}
@keyframes dlgHaloPulse{0%,100%{transform:scale(.7);opacity:.6}50%{transform:scale(1.3);opacity:.15}}
.dlg-replay-correct-path{stroke:var(--dlg-success);stroke-width:6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.dlg-replay-player-path{stroke:var(--dlg-danger);stroke-width:5;fill:none;stroke-linecap:round;stroke-linejoin:round}
@keyframes dlgDrawPath{to{stroke-dashoffset:0}}
.dlg-achievement-toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:linear-gradient(135deg,#F59E0B,#F97316);color:#fff;border-radius:var(--dlg-radius-lg);padding:28px 44px;text-align:center;z-index:200000;box-shadow:0 20px 60px rgba(245,158,11,.4);animation:dlgAchievementPop .5s cubic-bezier(.175,.885,.32,1.275)}
.dlg-achievement-toast .ach-icon{font-size:48px;display:block;margin-bottom:10px}
.dlg-achievement-toast h3{font-size:20px;margin-bottom:4px;color:#fff}
.dlg-achievement-toast p{font-size:13px;opacity:.9;color:#fff}
@keyframes dlgAchievementPop{0%{transform:translate(-50%,-50%) scale(0)}100%{transform:translate(-50%,-50%) scale(1)}}
/* ---- fullscreen (CSS-based; works on iPhone without rotation) ---- */
.dlg-game-board-wrap.dlg-fullscreen{position:fixed;inset:0;z-index:99999;border-radius:0;max-width:none}
.dlg-game-board-wrap.dlg-fullscreen .dlg-game-canvas{flex:1;aspect-ratio:auto}
/* ---- mobile ---- */
@media(max-width:768px){
.dlg-game-container{padding:8px}
.dlg-game-header h1{font-size:20px}
.dlg-controls-bar{padding:8px 10px}
.dlg-controls-bar .dlg-btn{padding:7px 12px;font-size:12px}
.dlg-controls-bar .lesson-counter{font-size:12px;padding:5px 12px;min-width:96px}
.dlg-instruction-float{top:16px;max-width:90%;padding:13px 18px 13px 14px}
.dlg-instruction-float .inst-icon{font-size:22px}
.dlg-instruction-float .inst-title{font-size:11px}
.dlg-instruction-float .inst-body{font-size:20px}
.dlg-result-overlay{position:fixed;inset:0;z-index:99998;padding:20px}
.dlg-result-card{max-width:88%;width:88%;padding:30px 26px;border-radius:24px;overflow:visible}
.dlg-result-card .result-emoji{font-size:60px;margin-bottom:12px}
.dlg-result-card h2{font-size:27px;margin-bottom:8px}
.dlg-result-card p{font-size:16px;margin-bottom:18px}
.dlg-result-card .result-notes{margin-bottom:14px}
.dlg-result-card .dlg-note-item{font-size:13px;padding:9px}
.dlg-result-card .result-actions{gap:10px}
.dlg-result-card .result-actions .dlg-btn{padding:11px 22px;font-size:15px;border-radius:11px}
}
/* mobile fullscreen: control bar docks right, board fills top-to-bottom */
@media(max-width:900px){
.dlg-game-board-wrap.dlg-fullscreen{flex-direction:row}
.dlg-game-board-wrap.dlg-fullscreen .dlg-game-canvas{flex:1;aspect-ratio:auto;min-width:0;height:100%}
.dlg-game-board-wrap.dlg-fullscreen .dlg-controls-bar{order:2;flex-direction:column;justify-content:center;align-items:stretch;width:auto;min-width:54px;height:100%;border-top:none;border-left:1px solid var(--dlg-border);padding:10px 8px;gap:6px;flex-wrap:nowrap}
.dlg-game-board-wrap.dlg-fullscreen .dlg-controls-bar .controls-nav{flex-direction:column;gap:5px;flex-wrap:nowrap}
.dlg-game-board-wrap.dlg-fullscreen .dlg-controls-bar .dlg-btn{padding:8px 6px;font-size:10px;white-space:nowrap}
.dlg-game-board-wrap.dlg-fullscreen .dlg-controls-bar .lesson-counter{writing-mode:vertical-rl;text-orientation:mixed;font-size:10px;min-width:auto;padding:8px 3px;margin:0 auto}
}
.dlg-game-board-wrap.dlg-fullscreen .dlg-result-overlay{position:absolute;inset:0;z-index:60}
@media(pointer:coarse){.dlg-player-car{touch-action:none}.dlg-game-canvas svg{touch-action:none}}
@media(orientation:landscape) and (max-height:500px){
.dlg-game-board-wrap.dlg-fullscreen .dlg-controls-bar{padding:6px 10px}
.dlg-instruction-float{top:12px}
.dlg-instruction-float .inst-body{font-size:15px}



.dlg-zoom-toggle{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--dlg-text-secondary);cursor:pointer;background:#fff;border:1px solid var(--dlg-border);border-radius:20px;padding:7px 14px;transition:var(--dlg-transition);user-select:none}
.dlg-zoom-toggle:hover{border-color:var(--dlg-primary);color:var(--dlg-primary)}
.dlg-zoom-toggle input{width:14px;height:14px;accent-color:var(--dlg-primary);cursor:pointer;margin:0}
}



/* ---- access gate (paywall) ---- */
.dlg-gate{max-width:460px;margin:48px auto;background:var(--dlg-card);border:1px solid var(--dlg-border);border-radius:var(--dlg-radius-lg);box-shadow:var(--dlg-shadow-lg);overflow:hidden;text-align:center}
.dlg-gate-road{height:12px;background:#334155;position:relative}
.dlg-gate-road span{position:absolute;left:0;right:0;top:50%;height:3px;transform:translateY(-50%);background:repeating-linear-gradient(90deg,#F59E0B 0 22px,transparent 22px 44px);animation:dlgRoadDash 1s linear infinite}
@keyframes dlgRoadDash{to{background-position:44px 0}}
.dlg-gate-body{padding:38px 34px 34px}
.dlg-gate-icon{font-size:54px;margin-bottom:14px;display:block;animation:dlgGateBob 2.4s ease-in-out infinite}
@keyframes dlgGateBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.dlg-gate h2{font-size:25px;font-weight:800;margin-bottom:8px}
.dlg-gate p{font-size:14px;color:var(--dlg-text-secondary);margin-bottom:24px;line-height:1.6}
.dlg-gate-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.dlg-gate-actions .dlg-btn{padding:12px 26px;font-size:15px}