.game-shell{box-sizing:border-box;background:var(--g-bg);min-height:100%;color:var(--g-text);place-items:center;padding:20px;font-family:DM Mono,monospace;display:grid}.game-card{box-sizing:border-box;border:1px solid var(--g-border);background:var(--g-surface);border-radius:18px;width:min(900px,100%);padding:28px 34px}.game-card--wide{width:min(1100px,100%)}.game-mark{letter-spacing:.18em;text-align:center;font-size:28px;font-weight:800}.game-mark--small{text-align:left;font-size:18px}.game-subtitle{color:var(--g-muted);text-align:center;margin:6px 0 24px;font-size:11px}.game-head{justify-content:space-between;align-items:flex-end;display:flex}.game-head span{color:var(--g-muted);margin-top:4px;font-size:9px;display:block}.game-head strong{font-size:16px;font-weight:400}.game-page{color:var(--g-muted-2);text-align:center;margin-top:18px;font-size:9px}.game-focus{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:360px;display:flex}.game-focus span{color:var(--g-muted);letter-spacing:.16em;font-size:10px}.game-focus strong{margin:16px 0 12px;font-size:clamp(72px,12vw,110px);font-weight:800;line-height:.8}.game-focus small{color:var(--g-muted-2);letter-spacing:.08em;font-size:10px}.game-level{border-block:1px solid var(--g-border-soft);text-align:center;grid-template-columns:48px 1fr 48px;align-items:center;gap:12px;padding:14px 0;display:grid}.game-level span,.game-level small{color:var(--g-muted);font-size:9px;display:block}.game-level strong{margin:2px 0;font-size:20px;display:block}.game-level button,.game-nav button{border:1px solid var(--g-border);height:42px;color:var(--g-text);cursor:pointer;font:inherit;background:0 0;border-radius:8px;font-size:18px}.game-level button:disabled,.game-nav button:disabled{opacity:.2;cursor:not-allowed}.game-config{margin:24px 0 10px;display:block}.game-config>span{color:var(--g-muted);letter-spacing:.12em;margin-bottom:8px;font-size:9px;display:block}.game-config input,.game-config select{box-sizing:border-box;border:1px solid var(--g-border);background:var(--g-input);width:100%;height:52px;color:var(--g-text);font:inherit;border-radius:9px;outline:none;padding:0 16px;font-size:16px}.game-config input:focus,.game-config select:focus{border-color:var(--g-text)}.game-config small{color:var(--g-muted-2);margin-top:7px;font-size:9px;display:block}.game-preview{border:1px solid var(--g-border-faint);color:var(--g-muted);white-space:nowrap;border-radius:8px;margin-bottom:18px;padding:12px;font-size:11px;overflow:hidden}.game-btn-primary{background:var(--g-primary-bg);width:100%;min-height:42px;color:var(--g-primary-text);cursor:pointer;font:inherit;letter-spacing:.06em;border:0;border-radius:9px;padding:12px 16px;font-weight:700}.game-btn-primary:hover:not(:disabled){opacity:.9}.game-btn-primary:disabled{opacity:.25;cursor:not-allowed}.game-btn-primary--sm{width:auto;min-width:130px}.game-btn-save{color:var(--g-muted);font:inherit;cursor:pointer;text-underline-offset:3px;background:0 0;border:0;margin:10px auto 0;padding:0;font-size:11px;text-decoration:underline;display:block}.game-btn-save:hover{color:var(--g-text)}.game-chunks{justify-content:center;align-items:center;gap:18px;min-height:250px;display:flex}.game-chunks span{border:1px solid var(--g-border);background:var(--g-input);border-radius:8px;padding:14px 18px;font-size:32px}.game-nav{grid-template-columns:48px 1fr 48px;align-items:center;gap:10px;display:grid}.game-nav span{color:var(--g-muted-2);text-align:center;font-size:9px}.game-result-scroll{height:100%;min-height:0;padding:20px;display:block;overflow:hidden auto}.game-result-scroll .game-card{margin:0 auto 20px}.game-result-top{justify-content:space-between;align-items:center;gap:24px;margin-top:10px;display:flex}.game-score{letter-spacing:-.035em;align-items:baseline;font-size:clamp(48px,6vw,64px);font-weight:700;line-height:.95;display:flex}.game-score span{color:var(--g-muted-2);letter-spacing:-.01em;margin-left:5px;font-size:23px;font-weight:400}.game-result-message{color:var(--g-muted);margin:8px 0 14px;font-size:10px}.game-stats{border-block:1px solid var(--g-border-soft);grid-template-columns:repeat(4,1fr);margin:20px 0;display:grid}.game-stats>div{text-align:center;border-right:1px solid var(--g-border-soft);padding:14px 10px}.game-stats>div:last-child{border-right:0}.game-stats small{color:var(--g-muted-2);letter-spacing:.1em;margin-bottom:5px;font-size:8px;display:block}.game-stats strong{color:var(--g-text);font-variant-numeric:tabular-nums;font-size:15px;font-weight:500;display:block}.game-comparison{text-align:left;grid-template-columns:1fr 1fr;gap:20px;margin:0;display:grid}.game-comparison-col{min-width:0}.game-comparison small{color:var(--g-muted-2);letter-spacing:.1em;margin:0 0 6px;font-size:8px;display:block}@media (width<=700px){.game-shell{padding:10px}.game-card{border-radius:14px;padding:20px 16px}.game-chunks{gap:8px;min-height:220px}.game-chunks span{padding:12px 10px;font-size:24px}.game-result-top{align-items:flex-end}.game-comparison{grid-template-columns:1fr;gap:14px}.game-stats>div{padding:12px 4px}.game-stats strong{font-size:12px}}.echo-mode-row{justify-content:center;align-items:center;gap:0;display:flex}.echo-mode-toggle{border:1px solid var(--g-border);border-radius:6px;display:flex;overflow:hidden}.echo-mode-toggle button{font:inherit;letter-spacing:.08em;color:var(--g-muted);cursor:pointer;background:0 0;border:none;padding:4px 12px;font-size:9px}.echo-mode-toggle button:first-child{border-right:1px solid var(--g-border)}.echo-mode-toggle button.active{background:var(--g-primary-bg);color:var(--g-primary-text)}.echo-section{margin-top:18px}.echo-label{color:var(--g-muted);letter-spacing:.12em;margin-bottom:8px;font-size:9px;display:block}.echo-options{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.echo-speeds{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.echo-options button,.echo-speeds button{border:1px solid var(--g-border);background:var(--g-input);min-height:44px;color:var(--g-text);cursor:pointer;font:inherit;letter-spacing:.04em;border-radius:9px;padding:10px 14px;font-size:12px;font-weight:700;transition:border-color .12s,background .12s}.echo-options button.selected,.echo-speeds button.selected{border-color:var(--g-text);background:var(--g-hover)}.echo-limit{color:var(--g-muted);text-align:center;margin:16px 0 0;font-size:10px}.echo-live{grid-template-columns:repeat(3,1fr);gap:12px;margin:40px 0 28px;display:grid}.echo-live div{border:1px solid var(--g-border-soft);text-align:center;border-radius:10px;padding:16px}.echo-live span{color:var(--g-muted);text-transform:uppercase;margin-bottom:8px;font-size:9px;display:block}.echo-live strong{font-size:20px;display:block}.echo-stop{border:1px solid var(--g-border);width:100%;min-height:42px;color:var(--g-text);cursor:pointer;font:inherit;letter-spacing:.06em;background:0 0;border-radius:9px;padding:12px 16px;font-weight:700}.echo-stop:hover{background:var(--g-hover)}.echo-recall-grid{grid-template-columns:repeat(20,minmax(0,1fr));gap:4px;margin:20px 0 16px;display:grid}.echo-recall-grid button{aspect-ratio:1;box-sizing:border-box;border:1px solid var(--g-border-faint);min-width:0;color:var(--g-missing);font:inherit;cursor:text;background:0 0;border-radius:4px;place-items:center;font-size:13px;display:grid}.echo-recall-grid button:hover{background:var(--g-input)}.echo-recall-grid button:focus{outline:none}.echo-recall-grid button.active{border-color:var(--g-text);color:var(--g-text);background:var(--g-input)}.echo-result-grid{grid-template-columns:repeat(20,minmax(0,1fr));gap:3px;margin:0;display:grid}.echo-result-grid span{aspect-ratio:1;min-width:0;color:var(--g-muted);border:1px solid #0000;border-radius:3px;justify-content:center;align-items:center;font-size:13px;display:flex}.echo-result-grid .correct{border-color:color-mix(in srgb, var(--g-correct) 55%, transparent);color:var(--g-correct);background:var(--g-correct-bg)}.echo-result-grid .wrong{border-color:color-mix(in srgb, var(--g-wrong) 65%, transparent);color:var(--g-wrong);background:var(--g-wrong-bg)}.echo-result-grid .missing{color:var(--g-missing)}.echo-free-digits{grid-template-columns:repeat(30,minmax(0,1fr));gap:3px;max-height:200px;margin-bottom:14px;padding:4px;display:grid;overflow-y:auto}.echo-free-digit{aspect-ratio:1;border:1px solid var(--g-border-faint);min-width:0;color:var(--g-text);border-radius:3px;place-items:center;font-size:9px;display:grid}.echo-free-digit.active{border-color:var(--g-text)}.echo-keypad{grid-template-columns:repeat(10,1fr);gap:6px;margin-bottom:8px;display:grid}.echo-keypad button{border:1px solid var(--g-border);background:var(--g-input);min-height:40px;color:var(--g-text);cursor:pointer;font:inherit;border-radius:8px}.echo-keypad button:hover{background:var(--g-hover)}.echo-input-actions{grid-template-columns:auto 1fr;gap:8px;display:grid}.echo-backspace{border:1px solid var(--g-border);min-height:40px;color:var(--g-muted);cursor:pointer;font:inherit;background:0 0;border-radius:9px;padding:10px 16px;font-size:13px}@media (width<=700px){.echo-recall-grid,.echo-result-grid{grid-template-columns:repeat(10,minmax(0,1fr))}.echo-free-digits{grid-template-columns:repeat(15,minmax(0,1fr))}.echo-speeds{grid-template-columns:1fr}.echo-live{grid-template-columns:repeat(2,1fr)}.echo-keypad{gap:4px}.echo-keypad button{min-height:38px;font-size:11px}.echo-input-actions{grid-template-columns:1fr}}