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.crossing-list>button{text-align:left;line-height:1.7;padding:6px 4px;border:1px solid transparent;border-radius:3px;transition:background .2s,border-color .2s}.crossing-list>button>b{font-size:10px;margin-bottom:3px}.crossing-list>button>span{font-size:10px}.crossing-list>button:hover,.crossing-list>button.selected{background:#b5814030;border-color:#d1b38366}.crossing-list>button:focus-visible{outline-offset:1px}
.event-card.with-metrics{top:22vh;max-height:calc(78vh - 225px)}.event-card.with-metrics h2{font-size:27px;line-height:1.4}.event-card.with-metrics .event-copy{font-size:12px;line-height:1.8;margin:12px 0;padding-top:12px}.event-card.with-metrics .event-index{margin-top:12px}.event-card.with-metrics .event-subtitle{font-size:14px;margin:6px 0}.event-card.with-metrics .height-sample{display:none}.event-card.with-metrics figure img{height:110px}.event-card.with-metrics .card-bottom{gap:13px;padding-bottom:18px}.event-card.with-metrics .card-bottom button{font-size:12px}#event-photo-open{display:block;position:relative;width:100%;padding:0;border-radius:2px;overflow:hidden}.photo-enlarge{position:absolute;right:8px;bottom:7px;padding:4px 7px;background:#102018c9;font-size:9px;color:#f2dfbe;border-radius:2px}.event-card.with-metrics .crossing-list{margin-top:5px;margin-bottom:10px}.event-card.with-metrics .jcm-arrival{margin-top:12px;margin-bottom:12px}.event-card.with-metrics .jcm-metric{padding-top:8px;padding-bottom:8px}.event-card.with-metrics .jcm-metric dd{min-height:25px}.event-card.with-metrics .jcm-date dd{min-height:32px}
@media(max-width:600px){.event-card.with-metrics{top:auto;max-height:43vh}.event-card.with-metrics h2{font-size:22px}.event-card.with-metrics .event-copy{font-size:10px;margin:8px 0;padding:0;line-height:1.8}.event-card.with-metrics .jcm-arrival{margin:9px 17px}.event-card.with-metrics .jcm-metric{padding-top:6px;padding-bottom:6px}.event-card.with-metrics .jcm-metric dd{min-height:21px;font-size:17px}.event-card.with-metrics .jcm-date dd{font-size:10px;min-height:27px}.event-card.with-metrics .jcm-metric dt{font-size:9px;margin-bottom:3px}.event-card.with-metrics .jcm-metric small{font-size:7px}.event-card.with-metrics .card-bottom{padding-bottom:12px}.event-card.with-metrics .card-bottom button{font-size:10px}}
@media(max-width:1400px){footer .credit-full{display:none}footer>.imagery-credit .credit-short{display:inline}footer>.imagery-credit{font-size:8px}}
@media(max-width:600px){.river-label{font-size:12px}.crossing-label{font-size:8px;padding:3px 5px}footer{gap:3px 9px;bottom:8px;line-height:1.3}footer>.imagery-credit{flex-basis:100%;font-size:6px}footer>.imagery-credit span,footer>.imagery-credit a{font-size:6px}footer>a{margin-left:auto;font-size:6px}footer>span:not(.imagery-credit){font-size:6px}.opening footer>.imagery-credit,.opening footer>.imagery-credit .credit-short{display:block}.opening footer>.imagery-credit .credit-full{display:none}}

.event-card.with-metrics .card-bottom{position:sticky;bottom:0;z-index:4;margin-top:4px;padding-top:11px;background:linear-gradient(0deg,#15211b 82%,#15211be8);box-shadow:0 -8px 15px #15211b66}.event-card.with-metrics .card-bottom #card-pause{color:#ecd1a5;font-size:11px}#event-photo-open:hover .photo-enlarge{background:#a94b34}
.place-label{display:block;padding:0 0 0 15px;line-height:1.3;transform-origin:0 50%}.place-label:before{position:absolute;left:0;top:50%;transform:translate(-50%,-50%);margin:0;box-sizing:border-box}.place-label.active:before{width:10px;height:10px}

#journey-summary[open]{animation:jcm-result-reveal 1.3s cubic-bezier(.2,.65,.2,1) both}#journey-summary[open]::backdrop{animation:jcm-result-backdrop 1.3s ease both}
@keyframes jcm-result-reveal{0%{opacity:0;transform:translateY(20px) scale(.975);filter:blur(8px)}35%{opacity:.2}100%{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}}
@keyframes jcm-result-backdrop{from{background:rgba(7,17,13,0);backdrop-filter:blur(0)}to{background:rgba(7,17,13,.79);backdrop-filter:blur(9px)}}
@media(prefers-reduced-motion:reduce){#journey-summary[open],#journey-summary[open]::backdrop{animation-duration:.01ms}}

/* Continuous landscape edition: one restrained palette, with room for the terrain. */
:root{
 --ivory:#f5ecd9;
 --muted:#bec6b8;
 --red:#b74431;
 --line:rgba(224,215,188,.18);
 --surface:#17231f;
 --source:#dfbd8b;
 --quiet:#a8b7a6;
}
.screen-shade{
 background:linear-gradient(180deg,rgba(7,16,13,.66),transparent 23%,transparent 61%,rgba(7,16,13,.78)),
  linear-gradient(90deg,rgba(7,16,13,.11),transparent 60%);
}
.atmosphere{background:radial-gradient(ellipse at 84% 9%,rgba(237,184,112,.085),transparent 55%)}
.masthead{gap:clamp(24px,3vw,46px)}
.wordmark{letter-spacing:.075em}
.masthead nav button,.masthead nav a,.icon-text{transition:color .2s ease,opacity .2s ease}
.masthead nav button:focus-visible,.head-actions button:focus-visible{outline-offset:7px}
.hero-copy{color:#e1e3d6;line-height:2.1;text-shadow:0 2px 18px #0715119c}
.hero-note{color:#bdc9b7;letter-spacing:.13em}
.begin{border-radius:4px;border-color:#e3a77885;background:#a43c2e;box-shadow:0 10px 34px #24150d4a}
.begin:hover{background:#bb4935}
.chapter-heading{max-width:calc(100vw - 440px)}
.chapter-heading p{color:#e0bf96;font-size:12px;line-height:1.7}
.chapter-heading h1{font-size:clamp(20px,1.7vw,31px);text-shadow:0 2px 17px #09150ed4}
.explore{
 color:#f0e4cf;border-color:#dbc49a50;background:#182820b8;
 box-shadow:0 6px 24px #07110d18;backdrop-filter:blur(14px);
}
.event-card,.event-card.with-metrics{
 width:clamp(330px,26vw,390px);top:21vh;
 max-height:calc(79vh - 222px);border-radius:9px;
 border:1px solid #c3b99542;
 background:linear-gradient(143deg,rgba(31,45,36,.97),rgba(16,29,23,.965));
 box-shadow:0 16px 65px #07110d5e,inset 0 1px 0 #f3dfb00c;
 backdrop-filter:blur(17px);scrollbar-gutter:stable;
 animation:card-in .75s cubic-bezier(.16,.7,.25,1) both;
 overscroll-behavior:contain;
}
.card-top{padding:19px 24px 0;gap:12px;line-height:1.6;color:#c6cdbb;font-size:11px}
.army{color:#e09977;letter-spacing:.035em}
.army i{background:#d77151;box-shadow:0 0 10px #d771512a}
#event-date{font-size:11px;color:#d3c9af;white-space:nowrap;font-variant-numeric:tabular-nums}
#card-collapse{min-width:24px;min-height:28px;line-height:1}
.card-copy{padding:0 25px}
.event-card.with-metrics .event-index{color:#b2beaa;font-size:10px;line-height:1.7;letter-spacing:.12em;margin:12px 0 7px}
.event-card h2,.event-card.with-metrics h2{font-size:30px;line-height:1.45;letter-spacing:.06em;color:#f4e9d1;margin:0 0 7px}
.event-card.with-metrics .event-subtitle{color:#dfd3b9;font-size:15px;line-height:1.7;margin:5px 0}
.event-copy,.event-card.with-metrics .event-copy{font-size:13px;line-height:1.95;color:#d1d9c8;margin:13px 0;padding-top:13px}
.event-card figure{margin:15px 25px 14px}
.event-card figure img,.event-card.with-metrics figure img{height:136px;border-radius:4px;opacity:1}
.event-card figcaption{color:#b5c3ae;font-size:10px;line-height:1.8;margin-top:8px}
.event-card figcaption a{color:#dac49d;text-decoration:underline;text-underline-offset:3px}
.photo-enlarge{padding:5px 8px;background:#12241ddc;border:1px solid #ddc9a225}
.event-card.with-metrics .card-bottom{
 padding:12px 24px 16px;gap:9px 15px;
 background:linear-gradient(0deg,#15231c 85%,#15231cf0);
 box-shadow:0 -8px 18px #14221b7a;
}
.event-card.with-metrics .card-bottom button{font-size:12px;line-height:1.5;min-height:30px}
.event-card.with-metrics .card-bottom #card-pause{font-size:12px;color:#f3d3a1}
.card-bottom a{font-size:11px;line-height:1.8;color:#c5d0b9}
.crossing-list{padding-top:12px}
.crossing-list>button{padding:8px;border-color:#dacaa210;background:#e4d1a504}
.crossing-list>button>b{font-size:11px;color:#ecd8b7;line-height:1.6}
.crossing-list>button>span{font-size:10px;color:#c3cfb9}
.crossing-list>button:hover,.crossing-list>button.selected{background:#ad814521;border-color:#dec29461}
.view-tools button{color:#d4deca;font-size:12px;line-height:1.7}
.gesture-help{color:#c0cdb2a3;font-size:10px}
.army-tabs{gap:10px}
.army-tabs>a,.army-tabs>button{border-color:#d7d9bd45;background:#17251fd4;font-size:12px;line-height:1.6;padding:8px 17px}
.army-tabs .active{background:#963e2f;border-color:#cf987377;box-shadow:0 4px 16px #1d100c26}
.timeline-row{
 border:1px solid #cccbad26;border-radius:8px;padding:12px 15px;
 background:linear-gradient(100deg,#17251ee8,#182720cf);backdrop-filter:blur(16px);
 box-shadow:0 9px 30px #08110b2b;
}
.timeline-caption{color:#c0cab3;font-size:12px}
.play-btn{border-color:#d8ceaf88;background:#d0c29f09;color:#f5dfbd;transition:background .2s ease,border-color .2s ease}
.play-btn:hover{background:#ead8ac13;border-color:#e9c291}
.speed{font-size:12px;color:#ddd3b9}
.mode-switch{background:#0f1c15b0;border-color:#c5c6a63d}
.mode-switch button{font-size:11px}
.mode-switch .active{background:#dfcfaf;color:#223024}
.journey-panel{background:#14241df7;border-color:#c0c4a538;border-radius:8px;overscroll-behavior:contain}
.panel-top{font-size:16px;color:#efe1c3}
.search input{font-size:13px;min-height:25px}
#event-list button{font-size:13px;padding-top:13px;padding-bottom:13px}
#event-list small{font-size:10px;color:#b0bea1}
dialog{width:min(900px,94vw);border-color:#c2b6904f;border-radius:9px;background:#18271ff9;padding:0 34px 30px;overscroll-behavior:contain}
.reader-top{background:#18271ffa;padding:17px 0;font-size:11px;color:#c2ceb5;backdrop-filter:blur(14px)}
#reader-body{padding-bottom:8px}
#reader-body h1{font:normal 32px/1.55 "Noto Serif SC","Source Han Serif SC","SimSun",serif;color:#f0e6cc;letter-spacing:.05em;margin-top:27px}
#reader-body h2{font:normal 22px/1.6 "Noto Serif SC","SimSun",serif;color:#e8d3ae;margin:28px 0 13px}
#reader-body h3{font-size:15px;line-height:1.8;color:#e8c89d}
#reader-body p,#reader-body li{font-size:14px;line-height:1.95;color:#ccd6c1}
#reader-body small{font-size:11px;line-height:1.9;color:#acbca1}
#reader-body article{padding:17px 0;border-color:#c7bea124}
#reader-body a{color:#e8bf8c;text-decoration-thickness:1px;line-height:1.9}
#reader-body figure img{border-radius:4px;background:#0f1c16}
#reader-body figcaption{font-size:11px;line-height:1.9;color:#b8c6ac}
#reader-body blockquote{font-size:16px;line-height:1.95;border-color:#b76143;background:#efd6a704;padding:12px 18px;margin:18px 0}
#reader-body table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.9;text-align:left;margin:15px 0;color:#d4dfca}
#reader-body th,#reader-body td{border:1px solid #b9bea42d;padding:11px 13px;vertical-align:top;min-width:110px;overflow-wrap:anywhere}
#reader-body th{background:#b8b58a12;color:#ead9b9;font-weight:500}
#reader-body td small{font-size:10px}
#reader-body dl{font-size:13px;line-height:1.9}
#reader-body dt{color:#e6cfaa;margin-top:12px}
#reader-body dd{margin:5px 0 10px;color:#c6d2bb}
#reader-body .evidence-summary{padding:15px 18px;border:1px solid #c1b58d2b;border-left:3px solid #b48753;border-radius:4px;background:#e5d1a507;margin:18px 0;line-height:1.9}
#reader-body .evidence-tag{display:inline-block;font-size:10px;line-height:1.8;letter-spacing:.04em;color:#d5cbaa;border:1px solid #c6b58939;border-radius:3px;padding:2px 7px;margin:3px 7px 3px 0;vertical-align:middle}
#reader-body .evidence-comparison{margin:16px 0;padding:16px 18px;border:1px solid #beaa7c2e;border-radius:5px;background:#d4b67b07}
#reader-body .evidence-comparison h3{margin-top:0}
#reader-body .evidence-note{font-size:12px;line-height:1.95;color:#bdcbb0;border-top:1px solid #bcc0a423;padding-top:13px;margin-top:18px}
#reader-body .evidence-source-list{padding-left:18px}
#reader-body .evidence-source-list li{margin:12px 0;padding-bottom:12px;border-bottom:1px solid #b9bea41c;font-size:13px}
#reader-body .evidence-table-scroll{overflow-x:auto;overscroll-behavior-x:contain;max-width:100%;margin:17px 0;border-radius:4px;scrollbar-width:thin}
#reader-body .evidence-table-scroll table{margin:0}
.method-flow{gap:8px;margin:23px 0}
.method-flow span{font-size:13px;line-height:1.7;color:#e7d4b3;background:#e5d5af05;border:1px solid #bdaf8c28;border-radius:3px;padding:10px 12px}
footer{color:#bcc7af9c}
footer button{color:#d3dcc3b8}
#loading{background:#122019}
#loading small{font-size:11px;color:#c1cdb3}
.place-label{text-shadow:0 1px 4px #08170c,0 0 14px #08170cbd}
.river-label{color:#d4eae0;border-color:#92bbb0b3;text-shadow:0 1px 5px #071813,0 0 15px #07181399}

@media(min-width:1700px){
 .event-card,.event-card.with-metrics{width:388px;right:3.2vw}
 .event-card h2,.event-card.with-metrics h2{font-size:34px}
 .event-card.with-metrics .event-copy{font-size:14px;line-height:1.95}
 .event-card figure img,.event-card.with-metrics figure img{height:150px}
 .card-copy{padding:0 29px}.card-top{padding-left:28px;padding-right:28px}
 .event-card.with-metrics .card-bottom{padding-left:28px;padding-right:28px}
}
@media(max-width:1100px) and (min-width:601px){
 .event-card,.event-card.with-metrics{width:320px;right:24px;top:21vh}
 .chapter-heading{max-width:calc(100vw - 390px)}
 .event-card h2,.event-card.with-metrics h2{font-size:27px}
 .event-card.with-metrics .event-copy{font-size:12px;line-height:1.9}
 .event-card figure img,.event-card.with-metrics figure img{height:115px}
 .timeline-row{gap:10px;padding:10px 12px}.mode-switch{margin-left:6px}
 .army-tabs>a,.army-tabs>button{font-size:11px;padding:8px 13px}
}
@media(max-width:600px){
 .masthead{gap:11px;top:max(17px,env(safe-area-inset-top));left:18px;right:18px}
 .masthead nav{gap:13px}.wordmark{font-size:19px}
 .hero{width:88%;top:27%}.hero-copy{font-size:12px;letter-spacing:.08em}
 .hero-note{font-size:9px}.chapter-heading{max-width:calc(100vw - 40px);left:20px;top:70px}
 .chapter-heading p{font-size:10px;max-width:85vw}.chapter-heading h1{font-size:17px;letter-spacing:.05em}
 .event-card,.event-card.with-metrics{
  width:auto;left:16px;right:16px;top:auto;bottom:190px;
  max-height:min(43vh,max(100px,calc(100dvh - 365px)));border-radius:7px;
  backdrop-filter:blur(10px);background:#17271ff5;
 }
 .card-top{padding:11px 17px 0;font-size:10px;gap:9px}
 #event-date{font-size:10px}
 .card-copy{padding:0 18px}.event-card.with-metrics .event-index{font-size:9px;margin:8px 0 4px}
 .event-card h2,.event-card.with-metrics h2{font-size:24px;line-height:1.45;margin:3px 0 7px}
 .event-card.with-metrics .event-copy{font-size:11px;line-height:1.85;margin:9px 0;padding-top:0}
 .event-card.with-metrics .card-bottom{padding:9px 17px 11px;gap:5px 14px}
 .event-card.with-metrics .card-bottom button,.event-card.with-metrics .card-bottom #card-pause{font-size:11px;min-height:29px;padding-bottom:4px}
 .event-card.with-metrics .card-bottom a{font-size:10px}
 .event-card.with-metrics .crossing-list{margin:9px 17px 12px}
 .crossing-list>button{padding:5px}.crossing-list>button>b{font-size:10px}
 .playback{left:16px;right:16px;bottom:max(39px,calc(env(safe-area-inset-bottom) + 28px))}
 .timeline-row{padding:9px 10px 7px;gap:5px;border-radius:6px;backdrop-filter:blur(10px)}
 .timeline-caption{font-size:10px}.army-tabs{gap:6px;margin-bottom:11px}
 .army-tabs>a,.army-tabs>button{font-size:10px;padding:7px 11px}
 .mode-switch{margin-top:7px}.mode-switch button{font-size:10px;padding:7px 15px}
 .speed{font-size:10px}.view-tools{top:140px}.view-tools button{font-size:10px}
 .explore{top:135px;right:18px;font-size:10px;padding:9px 12px}
 .journey-panel{top:64px;left:16px;right:16px;padding:17px;max-height:calc(100dvh - 90px)}
 .search input{font-size:12px}#event-list button{font-size:12px}
 dialog{padding:0 19px 24px;width:calc(100vw - 24px);max-height:calc(100dvh - 35px)}
 .reader-top{font-size:10px;padding:12px 0}#reader-body h1{font-size:27px}
 #reader-body h2{font-size:21px}#reader-body h3{font-size:14px}
 #reader-body p,#reader-body li{font-size:13px;line-height:1.95}
 #reader-body small{font-size:10px}#reader-body table{font-size:11px}
 #reader-body th,#reader-body td{padding:9px 10px;min-width:115px}
 #reader-body .evidence-summary,#reader-body .evidence-comparison{padding:13px 14px}
 #reader-body .evidence-source-list li{font-size:12px}
 footer{left:16px;right:16px;bottom:max(7px,env(safe-area-inset-bottom));gap:3px 9px}
 #reopen-card{bottom:199px;right:18px}
 #toast{bottom:205px;font-size:12px;line-height:1.7}
}
@media(max-height:610px) and (min-width:601px){
 .masthead{top:17px}.chapter-heading{top:67px}.chapter-heading h1{font-size:19px}
 .explore{top:76px;padding:8px 14px;font-size:11px}
 .event-card,.event-card.with-metrics{top:auto;bottom:151px;max-height:calc(100dvh - 246px);width:305px}
 .event-card figure{display:none}.event-card.with-metrics .event-subtitle{display:none}
 .event-card h2,.event-card.with-metrics h2{font-size:25px}
 .card-top{padding-top:11px}.event-card.with-metrics .event-copy{font-size:12px}
 .army-tabs{margin-bottom:10px}.playback{bottom:39px}.timeline-row{padding:7px 12px}
 .view-tools{bottom:157px}.hero{top:22%}.hero h1{font-size:42px;margin:15px 0}
 .begin{margin-top:17px;padding:11px 19px}.hero-copy{font-size:12px}
 dialog{max-height:calc(100dvh - 30px)}
}
@media(prefers-reduced-motion:reduce){
 .event-card,.event-card.with-metrics,.timeline-row,.explore{animation:none;transition:none}
}


/* A compact, explicit travel-speed selector. */
.speed-control{position:relative;flex:0 0 auto}
.speed-control .speed{display:flex;align-items:center;justify-content:center;gap:10px;min-width:76px;min-height:38px;padding:8px 10px;border:1px solid #c4b08c55;border-radius:5px;background:#17251ee0;color:#eaddc4;font-variant-numeric:tabular-nums}
.speed-control .speed[aria-expanded="true"]{border-color:#d99a70;background:#354333}
.speed-control .speed>span:last-child{font-size:12px;color:#b6bfaa}
.speed-menu{position:absolute;bottom:calc(100% + 16px);right:0;width:238px;padding:16px;border:1px solid #b9a98170;border-radius:8px;background:#17251ef5;box-shadow:0 15px 50px #04100980;backdrop-filter:blur(16px);text-align:left}
.speed-menu p{font-size:12px;letter-spacing:.12em;color:#eee0c8;margin:0 0 13px}
.speed-options{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.speed-options button{font-size:12px;font-variant-numeric:tabular-nums;border:1px solid #acb29540;border-radius:4px;min-height:36px;background:#2c3c2d65}
.speed-options button:hover{background:#59664a80}.speed-options button.selected{color:#263024;background:#e3caa3;border-color:#e3caa3}
.speed-menu small{display:block;font-size:10px;line-height:1.6;color:#adba9d;margin-top:12px;letter-spacing:.02em}
@media(max-width:600px){.speed-control .speed{min-width:62px;min-height:34px;font-size:10px;gap:6px;padding:6px 7px}.speed-menu{width:224px;padding:14px}.speed-options button{min-height:38px}}

.crossing-facts{display:grid;gap:8px;padding:16px 0;border-block:1px solid #e5d7b825;margin:12px 0}.crossing-facts>b{font:22px var(--serif,serif);color:#e9c68c}.crossing-facts span{line-height:1.65;font-size:13px}.crossing-facts small,.crossing-facts a{font-size:11px;color:#c8bea4}.crossing-list button.selected{border-color:#b28c54;background:#c8a56a18}