/* Scoped to the memory-card dialog; existing reader layout is retained. */
.memory-cards-open{overflow:hidden!important}
.memory-cards-open #hoidoki-root,.memory-cards-open .hdki-welcome{display:none!important}
.mc-overlay{position:fixed;inset:0;z-index:18000;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(15,23,42,.6);overscroll-behavior:contain;color:var(--ink,#0f172a)}
.mc-dialog{width:min(100%,660px);max-height:calc(100dvh - 40px);max-height:min(920px,calc(100dvh - 40px));display:flex;flex-direction:column;overflow:hidden;background:var(--bg,#f1f5f9);border:1px solid var(--line,#d6dae0);border-radius:24px;box-shadow:0 24px 80px rgba(0,0,0,.25);font:inherit;line-height:1.6}
.mc-dialog *{box-sizing:border-box}
.mc-dialog button,.mc-dialog input,.mc-dialog select{font:inherit}
.mc-dialog button{min-height:44px;cursor:pointer;border:1px solid var(--line,#d6dae0);border-radius:12px;padding:10px 15px;color:var(--ink,#0f172a);background:var(--card,#fff);font-weight:700;touch-action:manipulation}
.mc-dialog button:hover{border-color:var(--c1,#4f46e5)}
.mc-dialog button:disabled{cursor:default;opacity:.55}
.mc-dialog :is(button,input,select,summary):focus-visible{outline:3px solid var(--c1,#4f46e5);outline-offset:3px}
.mc-dialog [hidden]{display:none!important}
.mc-dialog .mc-primary{background:var(--c1,#4f46e5);border-color:var(--c1,#4f46e5);color:#fff}
.mc-dialog .mc-secondary{background:var(--c1-soft,#e0e7ff);border-color:transparent;color:var(--ink,#0f172a)}
.mc-header{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:18px 24px 14px;background:var(--card,#fff);border-bottom:1px solid var(--line,#d6dae0);flex:none}
.mc-heading{min-width:0}
.mc-heading h2{font-size:20px;line-height:1.35;margin:0;font-weight:850;letter-spacing:-.6px}
.mc-scope{font-size:12px;color:var(--ink2,#374151);margin:4px 0 0;overflow-wrap:anywhere}
.mc-dialog .mc-close{padding:8px 11px;flex:none;font-size:13px}
.mc-main{padding:20px 24px 24px;overflow-y:auto;overscroll-behavior:contain;min-height:0;scrollbar-gutter:stable}
.mc-progress-row{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px;font-weight:700;margin-bottom:8px}
.mc-dialog .mc-config-toggle{border:0;background:transparent;padding:2px 3px;min-height:32px;font-size:12px;color:var(--ink2,#374151);font-weight:500;text-decoration:underline;text-underline-offset:3px}
.mc-progress{display:block;width:100%;height:5px;border:0;border-radius:10px;overflow:hidden;margin:0 0 18px;accent-color:var(--c1,#4f46e5);background:var(--line,#d6dae0)}
.mc-progress::-webkit-progress-bar{background:var(--line,#d6dae0)}
.mc-progress::-webkit-progress-value{background:var(--c1,#4f46e5)}
.mc-progress::-moz-progress-bar{background:var(--c1,#4f46e5)}
.mc-card{position:relative;background:var(--card,#fff);border:1px solid var(--line,#d6dae0);border-radius:20px;padding:24px;min-height:250px;box-shadow:0 6px 24px rgba(15,23,42,.035);overflow-wrap:anywhere;animation:mc-enter .18s ease-out}
.mc-card.mc-revealed{animation:mc-reveal .22s ease-out}
.mc-badges{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px;font-size:12px}
.mc-badge{display:inline-block;padding:3px 9px;border-radius:7px;background:var(--bg,#f1f5f9);color:var(--ink2,#374151);font-weight:700}
.mc-mode{margin-left:auto;color:var(--c1,#4f46e5);font-size:12px;font-weight:700}
.mc-prompt{font-size:20px;letter-spacing:-.45px;line-height:1.8;margin:0;font-weight:750;white-space:pre-wrap;word-break:keep-all}
.mc-context{font-size:13px;color:var(--ink2,#374151);white-space:pre-wrap;margin:0 0 12px;padding:10px 12px;background:var(--bg,#f1f5f9);border-radius:10px;overflow-wrap:anywhere}
.mc-hint{color:var(--ink2,#374151);font-size:13px;margin:16px 0 0;text-align:center}
.mc-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.mc-actions>button{flex:1;min-width:110px}
.mc-answer-box{margin-top:20px;border-top:1px solid var(--line,#d6dae0);padding-top:20px}
.mc-answer-label{font-size:12px;font-weight:700;color:var(--ink2,#374151);margin:0 0 4px}
.mc-answer{font-size:28px;line-height:1.45;letter-spacing:-.6px;font-weight:850;color:var(--c1,#4f46e5);margin:0;white-space:pre-wrap;word-break:keep-all}
.mc-feedback{border-radius:10px;padding:10px 12px;margin:12px 0 0;font-size:14px;font-weight:650;background:var(--bg,#f1f5f9);color:var(--ink,#0f172a)}
.mc-note{font-size:13px;margin:12px 0 0;white-space:pre-wrap;color:var(--ink2,#374151)}
.mc-answer-form{margin-top:22px}
.mc-input-label{display:block;font-size:13px;color:var(--ink2,#374151);margin-bottom:8px;font-weight:650}
.mc-input-wrap{display:flex;gap:10px;align-items:center}
.mc-input{min-width:0;width:100%;max-width:240px;border:2px solid var(--line,#d6dae0);border-radius:12px;padding:12px 14px;background:var(--bg,#f1f5f9);color:var(--ink,#0f172a);font-size:22px!important;font-weight:700}
.mc-unit{font-size:17px;font-weight:750;white-space:nowrap}
.mc-choices{display:grid;gap:9px;margin-top:20px}
.mc-dialog .mc-choice{width:100%;text-align:left;padding:13px 15px;line-height:1.65;font-weight:600;overflow-wrap:anywhere}
.mc-matching-form{margin-top:16px}
.mc-matching-hint{font-size:13px;line-height:1.7;color:var(--ink2,#374151);margin:0 0 10px}
.mc-matching-progress{font-size:13px;font-weight:750;color:var(--c1,#4f46e5);margin:0 0 12px}
.mc-matching-items,.mc-matching-results{display:grid;gap:12px;min-width:0}
.mc-matching-item,.mc-matching-result{min-width:0;padding:14px;border:1px solid var(--line,#d6dae0);border-radius:12px;background:var(--bg,#f1f5f9)}
.mc-matching-prompt{font-size:14px;line-height:1.8;margin:0 0 10px;font-weight:700;white-space:pre-wrap;overflow-wrap:anywhere}
.mc-dialog .mc-matching-toggle{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;min-width:0;text-align:left;font-size:14px;line-height:1.7;padding:10px 12px}
.mc-matching-selection{min-width:0;overflow-wrap:anywhere;white-space:pre-wrap}
.mc-matching-toggle-mark{flex:none;transition:transform .15s}
.mc-matching-toggle[aria-expanded="true"] .mc-matching-toggle-mark{transform:rotate(180deg)}
.mc-dialog .mc-matching-selected{border-color:var(--c1,#4f46e5)}
.mc-matching-targets{display:grid;gap:7px;margin-top:9px;min-width:0}
.mc-dialog .mc-matching-target{text-align:left;font-size:13px;font-weight:550;line-height:1.75;padding:10px 12px;white-space:pre-wrap;overflow-wrap:anywhere}
.mc-dialog .mc-matching-target[aria-pressed="true"]{border-color:var(--c1,#4f46e5);background:var(--c1-soft,#e0e7ff);font-weight:750}
.mc-matching-score{font-size:23px}
.mc-matching-results{margin-top:16px}
.mc-matching-result.mc-matching-wrong{border-inline-start:4px solid var(--c1,#4f46e5)}
.mc-matching-result.mc-matching-correct{border-style:dashed}
.mc-matching-status{font-size:12px;font-weight:750;margin:0 0 8px;color:var(--ink2,#374151)}
.mc-matching-your-answer{font-size:13px;margin:0 0 8px;color:var(--ink2,#374151);white-space:pre-wrap}
.mc-matching-correct-answer{font-size:15px;font-weight:750;color:var(--c1,#4f46e5);margin:0;white-space:pre-wrap}
.mc-matching-source{border-top:1px solid var(--line,#d6dae0);margin-top:12px;font-size:13px}
.mc-matching-source summary{cursor:pointer;font-weight:650;padding:10px 0;min-height:44px}
.mc-matching-source .mc-source-title{margin-top:10px}
.mc-source{margin-top:16px;border:1px solid var(--line,#d6dae0);border-radius:12px;background:var(--card,#fff);padding:0 14px}
.mc-source summary{padding:12px 0;cursor:pointer;font-size:13px;font-weight:700}
.mc-source-title{font-size:13px;margin:0 0 10px;font-weight:750;overflow-wrap:anywhere}
.mc-source-quote{font-size:14px;line-height:1.9;margin:0 0 16px;white-space:pre-wrap;color:var(--ink2,#374151);overflow-wrap:anywhere}
.mc-additional-source{padding-top:14px;border-top:1px solid var(--line,#d6dae0)}
.mc-source-image-wrap{overflow:auto;max-height:60dvh;border:1px solid var(--line,#d6dae0);border-radius:8px;margin:8px 0 16px;background:#fff;overscroll-behavior:contain}
.mc-source-image{display:block;max-width:none;width:100%;min-width:480px;height:auto}
.mc-source-image-help{font-size:12px;color:var(--ink2,#374151);margin:0 0 8px}
.mc-status{padding:36px 8px;text-align:center}
.mc-status h3{font-size:20px;margin:0 0 12px;letter-spacing:-.4px}
.mc-status p{color:var(--ink2,#374151);font-size:14px;white-space:pre-wrap;margin:8px 0 0}
.mc-settings{background:var(--card,#fff);border:1px solid var(--line,#d6dae0);border-radius:18px;padding:20px}
.mc-settings h3{font-size:18px;margin:0 0 18px}
.mc-field{display:block;margin:0 0 16px;font-size:13px;font-weight:700}
.mc-field select{display:block;width:100%;margin-top:7px;padding:11px 12px;min-height:46px;border-radius:10px;border:1px solid var(--line,#d6dae0);color:var(--ink,#0f172a);background:var(--bg,#f1f5f9)}
.mc-filters{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
.mc-dialog .mc-filter{font-size:13px;min-height:40px;padding:8px 11px;font-weight:600}
.mc-dialog .mc-filter[aria-pressed="true"]{background:var(--c1-soft,#e0e7ff);border-color:var(--c1,#4f46e5)}
.mc-field-caption{font-size:13px;font-weight:700;margin:0 0 8px}
.mc-results{text-align:center}
.mc-complete-mark{display:inline-flex;align-items:center;justify-content:center;width:58px;height:58px;background:var(--c1-soft,#e0e7ff);border:1px solid var(--line,#d6dae0);border-radius:20px;font-size:30px;color:var(--c1,#4f46e5);margin:4px 0 12px}
.mc-results h3{font-size:25px;margin:0 0 6px;letter-spacing:-.7px}
.mc-results>p{font-size:14px;color:var(--ink2,#374151);margin:0 0 20px}
.mc-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0;text-align:left}
.mc-stat{background:var(--card,#fff);border:1px solid var(--line,#d6dae0);border-radius:14px;padding:16px}
.mc-stat strong{display:block;font-size:23px;color:var(--ink,#0f172a)}
.mc-stat span{font-size:12px;color:var(--ink2,#374151)}
.mc-local-note{font-size:11px;text-align:center;color:var(--ink3,#5b6470);margin:18px 0 0}
.mc-sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
html[data-theme="dark"] .mc-dialog .mc-primary{color:#0f172a}
@keyframes mc-enter{from{opacity:.3;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@keyframes mc-reveal{from{opacity:.4;transform:perspective(900px) rotateX(-4deg)}to{opacity:1;transform:perspective(900px) rotateX(0)}}
@media(max-width:600px){.mc-overlay{padding:0}.mc-dialog{height:100%;height:100dvh;max-height:100%;width:100%;border:0;border-radius:0}.mc-header{padding:calc(14px + env(safe-area-inset-top,0px)) 16px 13px}.mc-heading h2{font-size:18px}.mc-main{padding:16px 16px calc(22px + env(safe-area-inset-bottom,0px))}.mc-card{padding:20px;min-height:260px}.mc-prompt{font-size:19px}.mc-answer{font-size:27px}.mc-badges{margin-bottom:16px}.mc-input{max-width:220px}.mc-dialog .mc-close{font-size:12px;padding:8px 10px}}
@media(max-width:350px){.mc-main{padding-inline:12px}.mc-header{padding-inline:12px}.mc-card{padding:17px}.mc-prompt{font-size:18px}.mc-heading h2{font-size:17px}.mc-actions{gap:8px}.mc-actions>button{min-width:100px;padding:10px}.mc-stat{padding:12px}.mc-matching-item,.mc-matching-result{padding:10px}.mc-matching-score{font-size:21px}}
@media(prefers-reduced-motion:reduce){.mc-card,.mc-card.mc-revealed{animation:none!important}.mc-dialog *{scroll-behavior:auto!important}}