/* V0.9.2: simple game navigation, single settings editor, real per-person review queue. */
.mistake-review-card{background:#fff;border-top:1px solid #e0edf7;padding:18px 16px 20px;display:grid;gap:12px}
.mistake-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.mistake-head>div{display:grid;gap:4px}.mistake-head strong{font-size:17px;color:#183b60}
.mistake-head small{font-size:12px;color:#7b90a6;line-height:1.45}
.mistake-count{min-width:38px;height:38px;display:grid;place-items:center;background:#e2f2ff;border:1px solid #add8fa;border-radius:12px;color:#165f9e;font-size:19px;font-weight:900;font-variant-numeric:tabular-nums}
.mistake-list{display:grid;gap:6px}.mistake-list:empty{display:none}
.mistake-item{display:grid;gap:3px;padding:9px 11px;background:#f4f9ff;border-radius:10px;border:1px solid #e1edf7;min-width:0}
.mistake-item span{color:#4d8ab6;font-size:11px;font-weight:800}.mistake-item strong{font-size:13px;color:#173956;overflow-wrap:anywhere}
.mistake-more{font-size:12px;color:#6685a0;margin:0;padding:2px 4px}
.review-start{width:100%;min-height:48px;border:0;border-radius:12px;background:linear-gradient(120deg,#267ac5,#0867b0);font-size:15px;font-weight:850;color:#fff;box-shadow:0 5px 12px #1d78bb20;cursor:pointer}
.review-start:hover:not(:disabled),.review-start:focus-visible:not(:disabled){filter:brightness(1.07)}.review-start:disabled{background:#e8eef4;box-shadow:none;color:#7892a9;cursor:not-allowed}
.mistake-review-card #savedHint{display:block;font-size:12px;color:#ba3633}.mistake-review-card #savedHint:empty{display:none}
.mastery-action{margin-top:13px;padding:12px;display:flex;align-items:center;flex-wrap:wrap;gap:10px;background:#ecf8f1;border:1px solid #a9d7b8;border-radius:10px}
.mastery-action span{color:#286044;font-size:13px;line-height:1.5}
.mastery-button{min-height:40px;background:#138153;border:1px solid #0c7548;border-radius:10px;color:#fff;padding:9px 13px;font-size:13px;font-weight:850;cursor:pointer}
.mastery-button:disabled{background:#e3f2e8;color:#2c6a45;border-color:#c6e1ce;cursor:default}
/* Native collapsible settings: one real source of truth for all four games. */
.training-settings{padding:0;overflow:hidden}
.training-settings .settings-summary{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;cursor:pointer;padding:18px 22px;list-style:none;background:linear-gradient(100deg,#fff,#f5faff)}
.training-settings .settings-summary::-webkit-details-marker{display:none}
.training-settings .settings-summary:hover,.training-settings .settings-summary:focus-visible{background:#e8f5ff}
.settings-summary-title{font-size:18px;font-weight:900;color:#17416a}
#settingsSummary{font-size:14px;font-weight:750;color:#437192;flex:1;text-align:right}
.settings-caret{font-size:22px;color:#287fba;transition:transform .2s}
.training-settings[open] .settings-caret{transform:rotate(180deg)}
.settings-content{padding:3px 22px 18px;border-top:1px solid #e7edf7}
.settings-help{margin:12px 0;color:#738ba3;font-size:12px}
.training-settings:not([open]) .settings-content{display:none}
@media(max-width:700px){.training-settings .settings-summary{padding:15px 13px;gap:9px}.settings-summary-title{font-size:16px}#settingsSummary{font-size:12px}.settings-content{padding:1px 10px 14px}.mistake-review-card{padding:15px 13px 17px}}


/* V0.9.3: optional cloud backup controls, not a global leaderboard */
.cloud-card{margin:12px 0;padding:15px;border:1px solid #c7d9ed;border-radius:16px;background:#f8fbff;color:#183b5c}
.cloud-card-title{display:flex;gap:8px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.cloud-card-title strong{font-size:16px}.cloud-card-title span{font-size:12px;color:#537596}
.cloud-card p{font-size:13px;line-height:1.6;margin:8px 0 12px}
.cloud-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
.cloud-buttons button,.cloud-show{border:1px solid #b9d2ea;border-radius:9px;padding:9px 6px;background:#fff;color:#185184;cursor:pointer;font:inherit;font-size:13px}
.cloud-buttons button:disabled{opacity:.45;cursor:not-allowed}
.cloud-show{margin-top:8px;width:100%;background:#e7f3ff}
.cloud-card small{display:block;font-size:11px;line-height:1.6;margin-top:10px;color:#617b94}
@media(max-width:440px){.cloud-card{padding:11px}.cloud-buttons button{font-size:12px}}