.history-doctor-shell{max-width:920px}.history-doctor-home,.history-doctor-card{padding:28px}.history-doctor-top-nav{margin-bottom:16px}.history-doctor-home h1,.history-doctor-card h1{margin:0 0 8px;font-size:clamp(28px,5vw,42px)}.history-doctor-lead{margin:0 0 24px;color:#5b6470}.history-doctor-menu{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.history-doctor-menu-card{display:flex;min-height:150px;padding:24px;border:2px solid #dbe4ef;border-radius:20px;flex-direction:column;justify-content:center;text-decoration:none;color:inherit;background:#fff;transition:.15s}.history-doctor-menu-card:not(.is-disabled):hover{transform:translateY(-2px);border-color:#97b6da}.history-doctor-menu-card strong{font-size:24px}.history-doctor-menu-card span{margin-top:8px;color:#667085}.history-doctor-menu-card.is-disabled{opacity:.56;background:#f6f7f9}.history-doctor-card h2{margin:24px 0 10px;font-size:17px}.history-domain-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.history-domain-grid button,.history-level-row button{display:flex;align-items:center;justify-content:center;min-height:54px;padding:10px;border:2px solid #d9e1ea;border-radius:14px;background:#fff;font-weight:800;cursor:pointer}.history-domain-grid button.is-selected,.history-level-row button.is-selected{border-color:#426c9f;background:#edf5ff}.history-level-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.history-primary,.history-secondary{border:0;border-radius:14px;min-height:50px;padding:10px 20px;font-weight:800;font-size:16px;cursor:pointer}.history-primary{background:#315f93;color:#fff}.history-secondary{background:#eef1f5;color:#334155}.history-doctor-card>#historyStart,.history-doctor-card>.history-primary{margin-top:24px;width:100%}.history-message{min-height:24px;margin-top:12px;font-weight:700}.history-medal-panel{margin-bottom:12px;padding:14px 18px;border-radius:16px;background:#fff}.history-medal-head{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px}.history-gauge-track{height:12px;border-radius:999px;background:#e5e7eb;overflow:hidden}.history-gauge-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,#6c95c4,#315f93);transition:width .25s}.history-play-nav{display:flex;justify-content:space-between;align-items:center;margin:10px 0}.secondary-link.as-button{border:0;background:none;font:inherit;cursor:pointer}.history-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px}.history-stats div{padding:10px;border-radius:12px;background:#f5f7fa;text-align:center}.history-stats span{display:block;font-size:12px;color:#667085}.history-stats strong{font-size:22px}.history-question-meta{display:flex;gap:8px;margin-bottom:14px}.history-question-meta span{padding:5px 10px;border-radius:999px;background:#eef3f8;font-size:13px;font-weight:800}.history-prompt{min-height:100px;display:flex;align-items:center;justify-content:center;padding:24px 14px;text-align:center;font-size:clamp(20px,4vw,30px);font-weight:800;line-height:1.55}.history-year-single{display:flex;align-items:center;justify-content:center;gap:8px}.history-year-single input,.history-year-range input{width:150px;max-width:38vw;padding:12px;border:2px solid #bcc9d7;border-radius:12px;font-size:24px;text-align:center}.history-year-range{display:flex;align-items:end;justify-content:center;gap:10px}.history-year-range label{display:grid;gap:5px;text-align:center;font-size:12px;color:#667085}.history-year-note{text-align:center;font-size:12px;color:#667085}.history-answer-button{display:block;width:min(320px,100%);margin:14px auto 0}.history-person-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.history-person-options button{min-height:60px;padding:12px;border:2px solid #d2dce7;border-radius:14px;background:#fff;font-size:16px;font-weight:800;cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation}@media (hover:hover) and (pointer:fine){.history-person-options button:hover{border-color:#7899bd;background:#f3f8fe}}.history-explanation{margin-top:14px;padding:16px;border-radius:14px;background:#f3f7fb;line-height:1.7}.history-explanation p{margin:8px 0 0}.history-actions{display:flex;gap:10px;justify-content:center;margin-top:18px}.history-actions button{min-width:150px}.medal-overlay{display:none}.medal-overlay.is-open{display:grid}
@media(max-width:640px){.history-doctor-home,.history-doctor-card{padding:18px}.history-doctor-menu{grid-template-columns:1fr}.history-doctor-menu-card{min-height:120px}.history-domain-grid{grid-template-columns:repeat(2,1fr)}.history-person-options{grid-template-columns:1fr}.history-year-range{align-items:center}.history-year-range input{width:120px}.history-play-nav{gap:12px}.history-stats{gap:6px}}

.history-message.is-correct,.history-message.is-wrong{margin-top:16px;padding:12px 16px;border-radius:14px;text-align:center;font-size:22px;font-weight:900}.history-message.is-correct{background:#edf9f0;color:#16713a}.history-message.is-wrong{background:#fff0f0;color:#b42318}.history-person-options button.is-correct{border-color:#2f9e57;background:#eaf8ef;color:#176b38;box-shadow:0 0 0 2px rgba(47,158,87,.12)}.history-person-options button.is-wrong{border-color:#d84a4a;background:#fff0f0;color:#a92828}.history-person-options button:focus{background:#fff;border-color:#d2dce7}.history-person-options button:focus-visible{outline:3px solid rgba(66,108,159,.28);outline-offset:2px}.history-person-options button.is-correct:focus{border-color:#2f9e57;background:#eaf8ef}.history-person-options button.is-wrong:focus{border-color:#d84a4a;background:#fff0f0}.history-person-options button:active:not(.is-correct):not(.is-wrong){background:#fff;border-color:#d2dce7}.history-person-options button:disabled{cursor:default;opacity:1}.history-explanation.is-wrong{border:2px solid #efb4b4;background:#fff7f7;color:#7a1d1d;text-align:center;font-size:18px}

.history-filter-section{margin-top:24px}.history-filter-section h2{margin-top:0}.history-filter-axis{display:flex;flex-wrap:wrap;gap:10px}.history-filter-axis button{min-height:44px;padding:9px 16px;border:2px solid #d9e1ea;border-radius:999px;background:#fff;font-weight:800;cursor:pointer}.history-filter-axis button.is-selected{border-color:#426c9f;background:#edf5ff}.history-filter-values{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;padding:14px;border-radius:16px;background:#f6f8fb;max-height:300px;overflow:auto}.history-filter-values button{min-height:40px;padding:8px 13px;border:2px solid #d9e1ea;border-radius:12px;background:#fff;font-weight:700;cursor:pointer}.history-filter-values button.is-selected{border-color:#426c9f;background:#e8f2ff;color:#244d7b}.history-filter-values:empty{display:none}@media(max-width:640px){.history-filter-axis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.history-filter-values{max-height:260px}.history-filter-values button{font-size:13px}}

/* history browser */
.history-browse-tabs,.history-domain-tabs{display:grid;gap:10px;margin-top:18px}.history-browse-tabs{grid-template-columns:repeat(2,1fr)}.history-domain-tabs{grid-template-columns:repeat(3,1fr)}.history-browse-tabs a,.history-domain-tabs a{display:flex;align-items:center;justify-content:center;min-height:48px;padding:9px 12px;border:2px solid #d9e1ea;border-radius:14px;background:#fff;color:inherit;text-decoration:none;font-weight:800}.history-browse-tabs a.is-selected,.history-domain-tabs a.is-selected{border-color:#426c9f;background:#edf5ff;color:#244d7b}.history-level-toggles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.history-level-toggles button{min-height:44px;border:2px solid #d9e1ea;border-radius:999px;background:#fff;font-weight:800;cursor:pointer}.history-level-toggles button.is-selected{border-color:#426c9f;background:#edf5ff;color:#244d7b}.history-timeline{border-top:1px solid #e5e9ef}.history-timeline-row{display:grid;width:100%;grid-template-columns:minmax(105px,160px) 1fr;gap:16px;align-items:start;padding:15px 8px;border:0;border-bottom:1px solid #e5e9ef;background:#fff;text-align:left;cursor:pointer}.history-timeline-row:hover{background:#f7f9fc}.history-timeline-year{font-weight:900;color:#315f93}.history-timeline-event{font-weight:700;line-height:1.55}.history-empty{padding:28px;text-align:center;color:#667085}.history-kana-index{position:sticky;top:0;z-index:5;display:grid;grid-template-columns:repeat(11,1fr);gap:4px;margin:16px 0;padding:8px;border-radius:14px;background:#f5f7fa}.history-kana-index a{display:flex;align-items:center;justify-content:center;min-height:36px;border-radius:9px;color:#315f93;text-decoration:none;font-weight:900}.history-kana-index a:hover{background:#fff}.history-kana-heading{scroll-margin-top:70px;margin:22px 0 6px!important;padding:7px 10px;border-bottom:3px solid #dbe4ef;font-size:22px!important}.history-kana-group{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.history-person-row{display:flex;align-items:baseline;gap:10px;min-height:50px;padding:10px 12px;border:1px solid #e1e6ed;border-radius:11px;background:#fff;text-align:left;cursor:pointer}.history-person-row:hover{background:#f7f9fc}.history-person-row strong{font-size:16px}.history-person-row span{color:#667085;font-size:13px}.history-info-overlay[hidden]{display:none}.history-info-overlay{position:fixed;inset:0;z-index:10000;display:grid;place-items:center;padding:18px}.history-info-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.48)}.history-info-dialog{position:relative;width:min(620px,100%);max-height:min(78vh,720px);overflow:auto;padding:26px;border-radius:20px;background:#fff;box-shadow:0 24px 70px rgba(15,23,42,.28)}.history-info-dialog h2{margin:0 42px 4px 0;font-size:26px}.history-info-reading{margin:0 42px 18px 0;color:#667085;font-weight:700}.history-info-explanation{margin:0;line-height:1.9;white-space:pre-wrap}.history-info-close{position:absolute;top:14px;right:14px;width:38px;height:38px;border:0;border-radius:50%;background:#eef1f5;font-size:26px;line-height:1;cursor:pointer}@media(max-width:640px){.history-timeline-row{grid-template-columns:90px 1fr;gap:10px;padding:13px 4px}.history-kana-index{grid-template-columns:repeat(6,1fr)}.history-kana-group{grid-template-columns:1fr}.history-info-dialog{padding:22px 18px}.history-person-row{align-items:flex-start;flex-direction:column;gap:2px}}

/* history browser sticky controls */
.history-browse-controls{position:sticky;top:0;z-index:20;margin:0 -8px;padding:1px 8px 8px;background:#fff;box-shadow:0 8px 12px -12px rgba(15,23,42,.35)}
.history-browse-controls .history-kana-index{position:static;margin-bottom:0}
.history-browse-controls .history-level-toggles{margin-bottom:0}
.history-kana-heading{scroll-margin-top:220px}
@media(max-width:640px){.history-browse-controls{margin:0 -4px;padding-left:4px;padding-right:4px}.history-kana-heading{scroll-margin-top:300px}}

/* history browser level filtering: author display rules must not override [hidden] */
.history-timeline-row[hidden],
.history-person-row[hidden],
.history-kana-group[hidden],
.history-kana-heading[hidden],
.history-empty[hidden]{display:none!important}