:root{--paper:#f6f4ee;--card:#fffefa;--ink:#23332e;--muted:#67746d;--line:#d9dfd7;--green:#1c5142;--gold:#dfbd65}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.wrap{max-width:1240px;margin:auto;padding:0 28px}.masthead{background:#e9eee7;border-bottom:1px solid var(--line)}.eyebrow{padding-top:24px;font-size:11px;font-weight:750;letter-spacing:1.5px;display:flex;justify-content:space-between}.eyebrow span{color:var(--muted)}.heading{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 0 28px}h1{margin:0;font:500 clamp(34px,5vw,54px)/1.05 Georgia,serif;letter-spacing:-1.4px}h1 em{font-weight:400;color:var(--green)}.heading p{margin:12px 0 0;color:var(--muted)}button,input,select{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:var(--card);color:var(--ink);padding:10px 15px;border-radius:7px;font-size:14px;font-weight:600}button:hover{border-color:var(--green);background:#eaf0e8}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #ab8130;outline-offset:3px}.primary{background:var(--green);color:white;border-color:var(--green);white-space:nowrap}.primary:hover{background:#133d31;color:white}kbd{font:11px system-ui;border:1px solid #ffffff60;border-radius:3px;padding:1px 4px;margin-left:10px;opacity:.75}nav{display:flex;gap:30px}nav button{padding:13px 0;border:0;border-bottom:3px solid transparent;background:transparent;border-radius:0;font-size:12px;color:var(--muted)}nav button span{font-size:15px;margin-left:10px}nav button[aria-selected=true]{border-bottom-color:var(--green);color:var(--green)}nav button:hover{background:transparent}.toolbar{display:flex;gap:12px;align-items:center;padding:25px 0 10px}.search{background:var(--card);border:1px solid var(--line);border-radius:7px;display:flex;align-items:center;gap:9px;padding:8px 12px;flex:1;max-width:420px}.search span{font-size:25px;line-height:1;color:var(--muted)}input{width:100%;border:0;background:transparent;outline:none;color:var(--ink);font-size:14px}select{max-width:260px;border:1px solid var(--line);background:var(--card);padding:10px;border-radius:7px;font-size:14px}#count{margin-left:auto;color:var(--muted);font-size:12px;white-space:nowrap}.method{font-size:12px;color:var(--muted);margin:8px 0 23px;max-width:980px}.subbar{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:22px}.subbar p{font-size:12px;color:var(--muted);margin:0}.segmented{display:flex;border:1px solid var(--line);border-radius:8px;padding:3px;background:#e9eee7}.segmented button{border:0;background:transparent;padding:8px 12px;font-size:12px}.segmented button.selected{background:var(--card);box-shadow:0 1px 3px #22332815}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.study-card{border:1px solid var(--line);border-radius:11px;background:var(--card);overflow:hidden;box-shadow:0 2px 8px #23332e04}.image-button{display:block;border:0;border-radius:0;padding:0;width:100%;background:#eae9e2;cursor:zoom-in}.image-button:hover{background:#eae9e2}.image-button img{width:100%;height:245px;object-fit:contain;display:block}.card-content{padding:18px}.meta{display:flex;justify-content:space-between;gap:10px;align-items:center;font-size:11px;color:var(--muted);margin-bottom:12px}.badge{font-size:10px;text-transform:uppercase;letter-spacing:.5px;padding:3px 7px;border-radius:4px;background:#e9eee7;font-weight:750;white-space:nowrap}.badge.high{background:#e5eddb;color:#3b5b29}.badge.medium{background:#f3eacd;color:#806324}.badge.low{background:#edf0ed;color:#67746d}h2{font:500 22px/1.2 Georgia,serif;margin:0 0 10px}h3{font:600 19px/1.3 Georgia,serif;margin:0 0 10px}.answer p{font-size:14px;margin:0 0 12px}.reason{font-size:11px;color:var(--muted);margin:12px 0}.reveal{width:100%;font-size:12px;margin-top:6px}.source{font-size:11px;color:var(--muted);margin-top:14px;border-top:1px solid var(--line);padding-top:11px}.reading-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.reading-card{padding:22px}.reading-card h2{font-size:24px}.setting{font-size:12px;color:var(--muted);margin:0 0 16px}.answer dl{margin:0}.answer dt{font-size:11px;font-weight:750;text-transform:uppercase;letter-spacing:.7px;color:var(--green);margin-top:16px}.answer dd{margin:5px 0 0;font-size:14px}.caution{background:#f4f0e5;border-left:3px solid #c6a654;padding:10px 13px;font-size:12px!important;margin-top:16px!important}.timeline-row{display:grid;grid-template-columns:200px minmax(0,1fr);position:relative;gap:35px;padding:0 0 30px}.timeline-date{font:500 18px/1.3 Georgia,serif;padding-top:19px;text-align:right}.timeline-content{border-left:2px solid var(--line);padding:18px 0 0 28px;position:relative}.timeline-content:before{content:"";position:absolute;left:-6px;top:25px;width:10px;height:10px;border-radius:50%;background:var(--green)}.timeline-content h2{font-size:25px}.timeline-content .meta{justify-content:flex-start;margin-bottom:8px}.timeline-content .answer{max-width:760px}.timeline-content .reveal{width:auto}.timeline-content .source{border:0;padding:0;margin-top:10px}.masked-title{font-family:system-ui;font-size:16px;color:var(--muted);font-weight:400}.timeline-row:last-child{padding-bottom:0}#empty{padding:50px;text-align:center;border:1px dashed var(--line);border-radius:8px}footer{font-size:11px;color:var(--muted);padding:35px 0;margin-top:35px;border-top:1px solid var(--line)}dialog{border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);padding:20px;max-width:95vw;width:1050px;max-height:95vh}dialog::backdrop{background:#132b25b3}dialog img{max-width:100%;max-height:70vh;object-fit:contain;display:block;margin:auto}#close-lightbox{position:absolute;right:10px;top:10px;background:var(--card);font-size:25px;padding:0 10px;z-index:2}#large-answer{font-size:14px;margin:18px auto 0;max-width:850px}#large-answer h2{font-size:22px}[hidden]{display:none!important}@media(max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.timeline-row{grid-template-columns:145px 1fr;gap:20px}.subbar{align-items:flex-start;flex-direction:column}}@media(max-width:600px){.wrap{padding:0 16px}.eyebrow{font-size:9px}.heading{align-items:flex-start;gap:14px}.heading p{font-size:12px}.primary{font-size:12px;padding:10px}kbd{display:none}nav{gap:18px;justify-content:space-between}nav button span{margin-left:5px;font-size:13px}.toolbar{flex-wrap:wrap;gap:8px}.search{max-width:none;flex-basis:100%}select{max-width:calc(100% - 135px);flex:1}#count{font-size:10px}.grid,.reading-grid{grid-template-columns:1fr}.image-button img{height:280px}.timeline-row{grid-template-columns:1fr;gap:0;padding-bottom:15px}.timeline-date{text-align:left;margin-left:28px;font-size:14px;color:var(--green)}.timeline-content{padding-top:8px}.timeline-content:before{top:15px}.timeline-content h2{font-size:23px}.method{font-size:11px}.subbar p{font-size:11px}}
nav{gap:20px;overflow-x:auto;scrollbar-width:thin}nav button{flex-shrink:0;white-space:nowrap}nav button span{font-size:13px;margin-left:6px}.map-photo{width:100%;display:block;max-height:490px;object-fit:contain;background:#eae9e2}.map-key{padding-left:22px}.map-key li{font-size:14px;margin:10px 0}.choices{display:grid;gap:8px;margin:16px 0}.choice{display:flex;gap:10px;align-items:flex-start;font-size:14px;border:1px solid var(--line);border-radius:6px;padding:10px;cursor:pointer}.choice input{width:auto;margin-top:4px}.correct-choice{background:#e5eddb;border-color:#8ca678}.wrong-choice{background:#f8e8e1;border-color:#c49986}.practice-top{display:flex;justify-content:space-between;align-items:center;gap:15px;background:#e9eee7;border:1px solid var(--line);padding:18px;border-radius:9px;margin-bottom:22px}.practice-top p{font-size:12px;margin:6px 0 0}.practice-buttons{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.timer{font:500 24px Georgia,serif;font-variant-numeric:tabular-nums;white-space:nowrap}.question{max-width:950px;margin:20px auto;padding:25px;background:var(--card);border:1px solid var(--line);border-radius:10px}.question>img{max-width:100%;max-height:420px;object-fit:contain;display:block;margin:15px auto}.question textarea{display:block;width:100%;min-height:120px;resize:vertical;background:white;border:1px solid var(--line);border-radius:6px;padding:12px;font:14px/1.6 system-ui;margin-top:15px}.map-inputs{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:18px 0}.map-inputs label{font-size:12px;display:block}.map-inputs input{display:block;background:white;border:1px solid var(--line);border-radius:5px;padding:10px;margin-top:4px}.quiz-feedback{margin-top:18px;padding:18px;background:#edf2e8;border-radius:6px;font-size:14px}.quiz-feedback h3{font-size:19px}.quiz-feedback li{margin:8px 0}.finish{display:block;margin:24px auto}.score{max-width:950px;margin:20px auto;border:1px solid #8ca678;background:#e5eddb;border-radius:8px;padding:20px}.score p{font-size:13px;margin:6px 0}.question .source{font-size:11px}.practice-intro{padding:35px;border:1px dashed var(--line);border-radius:10px;text-align:center}.map-actions{display:flex;gap:8px;margin-top:15px;flex-wrap:wrap}.reading-card .answer{margin-top:12px}@media(max-width:600px){nav{justify-content:flex-start;gap:20px}.practice-top{flex-direction:column;align-items:flex-start}.practice-buttons{justify-content:flex-start}.map-inputs{grid-template-columns:1fr}.question{padding:18px}.practice-intro{padding:25px}.practice-top h2{font-size:22px}}

.dynasty-overview{margin:1.5rem 0 3rem}.dynasty-table-wrap{overflow-x:auto}.dynasty-table{width:100%;border-collapse:collapse;background:var(--paper,#fff);font-size:.95rem}.dynasty-table th,.dynasty-table td{padding:1rem;text-align:left;vertical-align:top;border-bottom:1px solid #d7dfd8}.dynasty-table th{min-width:155px}.dynasty-table td{min-width:180px}.dynasty-table thead{background:#e6ede6}

.timeline-actions{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;margin:1rem 0}.timeline-actions span{font-size:.9rem;color:#66766e}.dynasty-section{margin:1rem 0;border:1px solid #d5ded6;border-radius:14px;background:#fffef9;overflow:hidden}.dynasty-section>summary{cursor:pointer;padding:1.2rem;display:flex;justify-content:space-between;gap:1rem;background:#eaf0e9;list-style:none}.dynasty-section>summary:before{content:'▸';color:#205c47}.dynasty-section[open]>summary:before{content:'▾'}.dynasty-section>summary strong{font-size:1.15rem}.dynasty-range{display:block;margin-top:.35rem;color:#486356}.dynasty-count{font-size:.8rem;white-space:nowrap;color:#64796c}.dynasty-body{padding:1.2rem}.dynasty-subsection{margin:1rem 0;padding:.8rem;background:#f2f4ed;border-radius:9px}.dynasty-subsection>summary{cursor:pointer;font-weight:600}.dynasty-subsection .source{display:block}.dynasty-body .timeline-date{font-size:1rem}.dynasty-body .timeline-content h2{font-size:1.2rem}.dynasty-body .timeline-row{margin:1rem 0}.dynasty-body .reading-grid{margin-top:1rem}@media(max-width:650px){.dynasty-count{display:none}.dynasty-body{padding:.8rem}.dynasty-section>summary{padding:1rem}}

/* Compact chronological overview */
.clean-period{border-radius:8px;margin:0 0 14px}.clean-period>summary{padding:13px 18px;align-items:center;justify-content:flex-start;gap:12px;background:#e6ece4}.clean-period>summary .period-label{flex:1;display:flex;align-items:baseline;gap:18px;flex-wrap:wrap}.clean-period>summary strong{font:600 20px/1.2 Georgia,serif}.clean-period .dynasty-range{display:inline;font:12px/1.4 system-ui;margin:0}.clean-period .dynasty-body{padding:0}.period-lanes{display:grid;grid-template-columns:1fr 1fr}.period-lane{min-width:0;padding:16px 18px}.period-lane+ .period-lane{border-left:1px solid var(--line);background:#f7f8f2}.lane-heading{font:650 10px/1.4 system-ui;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:0 0 10px}.lane-empty{font-size:12px;color:var(--muted);margin:0}.event-detail{border-top:1px solid var(--line);padding:0}.event-detail>summary{display:grid;grid-template-columns:118px 1fr;gap:12px;padding:11px 20px 11px 0;cursor:pointer;position:relative;list-style:none}.event-detail>summary:after{content:'+';position:absolute;right:0;color:var(--muted)}.event-detail[open]>summary:after{content:'−'}.event-date{font:650 12px/1.5 system-ui;color:var(--green)}.event-label{font:550 13px/1.5 system-ui}.event-detail[open]{padding-bottom:12px}.event-brief{font-size:13px;margin:0 0 10px}.event-full{font-size:13px;color:#536259}.event-full p{margin:8px 0}.event-full .source{margin-top:10px}.period-extras{display:flex;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);padding:10px 18px;background:#fafaf5}.people-detail,.period-notes{flex:1;min-width:230px;font-size:12px}.people-detail>summary,.period-notes>summary,.date-note>summary{cursor:pointer;color:var(--green);font-weight:600}.people-grid{display:grid;gap:8px;margin:12px 0}.person-detail{padding:9px 12px;background:white;border:1px solid var(--line);border-radius:5px;font-size:13px}.person-detail>summary{cursor:pointer;font-weight:600}.person-detail p{margin:10px 0}.period-notes p{font-size:12px}.date-note{padding:8px;background:#f4f0e5}.timeline-actions{margin:0 0 14px}.timeline-actions span{font-size:12px}@media(max-width:700px){.period-lanes{grid-template-columns:1fr}.period-lane+ .period-lane{border-left:0;border-top:1px solid var(--line)}.event-detail>summary{grid-template-columns:105px 1fr;gap:8px}.clean-period>summary .period-label{gap:5px;display:block}.clean-period .dynasty-range{display:block;margin-top:5px}.period-lane{padding:12px 14px}.period-extras{padding:10px 14px}.clean-period>summary{padding:12px 14px}}

/* Consistent study-card typography and spacing */
.heading{padding:20px 0 22px}h1{font-size:clamp(32px,4vw,44px)}.heading p{font-size:13px;margin-top:8px}.eyebrow{padding-top:20px}.toolbar{padding-top:20px;gap:10px}.method{font-size:13px;line-height:1.5;margin:10px 0 18px}.sort-status{font-size:11px;color:var(--green);background:#e7eee3;border-radius:20px;padding:4px 9px;white-space:nowrap}#count{font-size:11px}.grid,.reading-grid{gap:16px}.study-card{border-radius:8px;box-shadow:none}.reading-card,.card-content{padding:18px}.reading-card h2,h2{font:600 20px/1.3 Georgia,serif;margin-bottom:12px}h3{font:600 18px/1.3 Georgia,serif}.reading-card .answer p,.answer p,.answer dd{font-size:14px;line-height:1.65}.setting{font-size:12px;line-height:1.5;margin-bottom:12px}.meta{margin-bottom:10px;font-size:10px}.badge{font-size:9px;letter-spacing:.4px}.answer dt{margin-top:12px;font-size:10px}.answer dd{margin-top:4px}.answer-detail{margin-top:16px;border-top:1px solid var(--line);padding-top:10px}.answer-detail>summary{font-size:12px;font-weight:600;color:var(--green);cursor:pointer}.answer-detail dl{padding-bottom:8px}.source{font-size:11px;border-top:1px solid var(--line);padding-top:9px;margin-top:12px;line-height:1.5}.source>summary{cursor:pointer;color:var(--muted)}.source p{font-size:11px!important;margin:8px 0 0!important}.caution{border-left-width:2px;padding:9px 11px;font-size:12px!important;line-height:1.55}.map-key li{font-size:13px;line-height:1.6;margin:8px 0}.map-actions button{font-size:12px;padding:8px 11px}.map-photo{height:310px;object-fit:contain}.choice{font-size:13px;line-height:1.6;padding:9px 11px}.choice input{flex-shrink:0}.choices{gap:7px;margin:14px 0}.subbar{margin-bottom:16px}.question{padding:22px;margin:16px auto}.question .eyebrow{padding-top:0;margin-bottom:12px}.question h2{font-size:20px;line-height:1.4}.question p{font-size:14px;line-height:1.6}.practice-top h2{margin-bottom:0}.practice-intro p{font-size:14px;color:var(--muted);max-width:540px;margin:12px auto 20px}.study-notes{margin-top:12px;max-width:800px}.study-notes>summary{cursor:pointer;font-weight:600}.study-notes p{font-size:12px;line-height:1.6;margin:10px 0}footer{padding:22px 0;margin-top:28px}.event-full p:empty{display:none}@media(max-width:700px){.toolbar{flex-wrap:wrap}.search{flex-basis:100%;max-width:none}.sort-status{margin-left:0}#count{margin-left:auto}.reading-grid{grid-template-columns:1fr}.map-photo{height:auto;max-height:400px}.reading-card,.card-content{padding:16px}.method{font-size:12px}.heading{padding:18px 0}.heading p{font-size:12px}.question{padding:18px}.question h2{font-size:19px}}

.reading-groups{display:grid;gap:14px}.reading-group{border:1px solid var(--line,#d9ded7);border-radius:12px;background:#fff;overflow:hidden}.reading-group>summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px;cursor:pointer;list-style:none}.reading-group>summary:before{content:'▸';color:#216350}.reading-group[open]>summary:before{content:'▾'}.reading-group>summary>span:first-of-type{flex:1}.reading-group strong{display:block;font-size:18px;line-height:1.35}.reading-period{display:block;font-size:13px;color:#64736d;margin-bottom:5px}.reading-group-count{font-size:12px;color:#64736d;max-width:180px;text-align:right}.reading-group-body{padding:0 20px 20px}.reading-group-body>.caution:empty{display:none}.reading-group-body>.source{margin-bottom:16px}.reading-group .reading-card h3{font-size:18px;margin:0 0 12px}@media(max-width:650px){.reading-group>summary{padding:14px;gap:10px}.reading-group-count{max-width:95px}.reading-group-body{padding:0 14px 14px}}

/* Focused quiz cards */
.reading-group{border-radius:8px;background:var(--card)}.reading-group>summary{padding:16px 18px;gap:12px}.reading-group strong{font:600 19px/1.35 Georgia,serif}.reading-period{font-size:11px}.reading-group-count{white-space:nowrap;font-size:11px}.reading-group-body{padding:0 16px 16px}.reading-card h3{font:600 20px/1.3 Georgia,serif}.reading-evidence{border-top:1px solid var(--line);padding-top:8px;margin-top:16px!important}.card-content .meta>span:first-child{display:none}.card-content .meta{justify-content:flex-end}.answer dt{color:var(--green)}.period-notes>p:first-of-type{display:none}footer{font-size:11px}.image-button img{height:230px}@media(max-width:650px){.reading-group>summary{padding:14px}.reading-group strong{font-size:17px}.reading-group-count{max-width:none}.reading-group-body{padding:0 12px 12px}}