/* BK3 red atlas adaptation for CochraneK/red-map (MIT). */
.march-atlas{background:#591b22;color:#f9e6c6;isolation:isolate}.march-atlas .map-canvas{background:radial-gradient(ellipse at 54% 46%,#8d3432 0%,#6a2329 53%,#43131c 100%);z-index:0}.march-atlas::after{content:"";pointer-events:none;position:absolute;inset:0;z-index:402;background:linear-gradient(90deg,rgba(62,14,24,.65),transparent 34%,transparent 77%,rgba(62,14,24,.22));box-shadow:inset 0 0 130px #3d101a55}.march-atlas .leaflet-pane{z-index:400}.march-atlas .leaflet-tile-pane{z-index:200}.march-atlas .leaflet-overlay-pane{z-index:400}.march-atlas .leaflet-marker-pane{z-index:600}.march-atlas .leaflet-tooltip-pane{z-index:650}.march-atlas .leaflet-container{font-family:inherit}.march-atlas .map-atlas-title,.march-atlas .march-forces,.march-atlas .map-story-card,.march-atlas .map-view-controls,.march-atlas .atlas-compass,.march-atlas .map-zoom-controls,.march-atlas .atlas-bottom,.march-atlas .atlas-directory,.march-atlas .march-map-notes,.march-atlas .atlas-credit{z-index:800}.march-atlas .map-atlas-title{top:16%;left:4%;width:250px;pointer-events:none}.march-atlas .map-atlas-title h1{font-size:clamp(40px,4.4vw,68px);letter-spacing:.08em;line-height:1.3;margin:20px 0}.march-atlas .map-atlas-title .eyebrow{font-size:12px;letter-spacing:.2em}.march-atlas .atlas-subtitle{font-size:14px;line-height:1.8}.march-atlas .atlas-anniversary{font-size:12px}.march-atlas .atlas-rule{margin:22px 0}.march-forces{position:absolute;left:4%;top:57%;padding:0;border:0;max-width:255px;display:grid;gap:12px}.march-forces legend{font-size:11px;letter-spacing:.22em;color:#d6ad90;margin-bottom:17px}.march-force{display:flex;align-items:center;gap:9px;cursor:pointer;font-size:12px;line-height:1.5;min-height:27px}.march-force input{width:16px;height:16px;accent-color:#f4d69f;margin:0}.march-force-dot{width:18px;height:3px;border-radius:4px;display:inline-block;flex-shrink:0;background:var(--force-color)}.force-red_first{--force-color:#ffbe8c}.force-red_25th{--force-color:#f7dd77}.force-red_fourth{--force-color:#8ed9f0}.force-red_second{--force-color:#aee4b0}.march-forces p{font-size:10px;color:#d7af9a;letter-spacing:.06em;margin:3px 0 0}.march-atlas .map-story-card{top:30%;right:3%;left:auto;width:265px;max-height:48vh;overflow:auto;background:linear-gradient(145deg,#4c1621f2,#631e26ed);border:1px solid #e9c2964d;border-top:2px solid #e6bd88;box-shadow:0 18px 60px #300a1440;backdrop-filter:blur(12px)}.march-atlas .map-card-content{padding:23px 23px 18px}.march-atlas .map-card-date{display:flex;flex-direction:column;gap:12px;font-size:12px;line-height:1.7;letter-spacing:.05em}.march-atlas .map-card-date span{color:#d5ad8a;font-size:10px;letter-spacing:.12em}.march-atlas .map-story-card h2{font-size:23px;margin:15px 0;line-height:1.5}.march-atlas .map-card-fact{font-size:12px;line-height:1.95;display:block;-webkit-line-clamp:unset;color:#f2d9bc}.march-atlas .map-detail-link{font-size:11px;padding:12px 0 0;color:#f5d291;min-height:35px}.march-atlas .map-card-navigation{padding:8px 15px;border-color:#e9c29633}.march-atlas .map-card-navigation span{font-size:11px;color:#e0ba9d}.march-atlas .map-card-navigation button{font-size:18px;min-width:36px;min-height:32px}.march-atlas .map-view-controls{top:115px;right:3%;left:auto}.march-atlas .map-view-controls button{font-size:11px;min-height:34px;background:#4c1420b3;border-color:#dfb48b4d}.march-atlas .atlas-compass{right:5%;top:21%;color:#efcfaa}.march-atlas .map-zoom-controls{right:3%;bottom:175px}.march-atlas .map-zoom-controls button{background:#4d1620e8;width:36px;min-height:34px;border-color:#dfb48b44;color:#ffe6bc}.march-atlas .atlas-bottom{bottom:51px;left:25%;right:25%;max-width:none}.march-atlas .atlas-playback{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px;padding:10px 0}.march-atlas .atlas-playback button{font-family:inherit;min-height:37px;border-color:#e4bd8c55;font-size:11px;white-space:nowrap}.march-atlas .atlas-playback .map-play{font-size:13px;padding:9px 18px;background:#edc98f;color:#572025;font-weight:650;min-width:125px;box-shadow:0 5px 25px #20061033}.march-step-controls{display:flex;gap:3px}.march-step-controls button{background:#49151f80;color:#f5d9b6;width:33px;border:1px solid #e4bd8c55}.march-speed{display:flex;align-items:center;gap:5px;font-size:10px;color:#ddbb9c}.march-speed select{width:58px;min-height:35px;font-size:11px;padding:4px;background:#591b24;color:#f9e4c5;border:1px solid #e4bd8c55}.march-timeline{display:flex;gap:11px;align-items:center;font-size:10px;color:#d8b495}.march-timeline input{flex:1;min-width:0;accent-color:#e6c494;height:24px;margin:0;cursor:pointer}.march-atlas .atlas-progress{display:none}.march-atlas .atlas-directory{left:4%;bottom:58px;width:220px;max-height:70vh}.march-atlas .atlas-directory summary{font-size:12px;min-height:40px;border-color:#e4bd8c55}.march-atlas .atlas-directory summary span{font-size:10px}.march-atlas .map-stop-scroll{max-height:60vh;background:#4c1621f5}.march-atlas .map-stop-button{min-width:0;width:100%;white-space:normal;text-align:left}.march-atlas .map-stop-button strong{font-size:12px;line-height:1.7}.march-atlas .map-stop-button span{font-size:10px;white-space:normal;line-height:1.8}.march-map-notes{position:absolute;bottom:61px;right:3%;display:grid;gap:8px;justify-items:end}.march-map-notes button{background:none;border:0;color:#eed0ab;font-size:10px;cursor:pointer;padding:6px 0;min-height:25px;border-bottom:1px solid #dfb48b55}.march-atlas .atlas-credit{bottom:13px;font-size:9px;right:3%;left:auto;letter-spacing:.04em;color:#d0a891}.march-province{color:#d5a68b99;text-align:center;font-size:14px;letter-spacing:.25em;pointer-events:none;white-space:nowrap}.march-summary-line{filter:drop-shadow(0 0 9px #f2a46b66)}.march-detail-line{filter:drop-shadow(0 0 4px #f1bf8555)}.marker-shell{display:grid;place-items:center;border-radius:50%;background:color-mix(in srgb,var(--marker-color) 22%,transparent);position:relative}.marker-core{display:block;width:7px;height:7px;border-radius:50%;background:var(--marker-color);box-shadow:0 0 10px var(--marker-color);border:1px solid #fff4d6}.event-marker-latest::after,.event-marker-current::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid var(--marker-color);animation:march-breathe 3.5s ease-out infinite}.event-marker-meeting .marker-core{width:9px;height:9px;transform:rotate(45deg);border-radius:2px}.march-place-label.leaflet-tooltip{background:#541b26e6;color:#fae3bd;border:1px solid #b77d6040;box-shadow:none;font-size:11px;font-weight:500;padding:3px 7px;border-radius:2px;letter-spacing:.04em;line-height:1.5}.march-place-label.leaflet-tooltip:before{display:none}.march-epilogue.leaflet-tooltip{color:#d3b79c;background:transparent;border:0;font-size:10px}.event-effect-circle{animation:march-halo 2s ease-out infinite}.meeting-flag{font-size:30px;filter:drop-shadow(0 0 8px #f7b45f);animation:march-flag .6s ease-out}.narrative-banner{position:absolute;top:124px;left:50%;transform:translateX(-50%);z-index:801;width:330px;pointer-events:none;text-align:center;padding:12px 20px;background:#531723e8;border:1px solid #d2a97c55;backdrop-filter:blur(8px)}.narrative-banner span{display:block;font-size:10px;letter-spacing:.3em;color:#edc587}.narrative-banner strong{display:block;font-size:16px;line-height:1.6;margin:5px 0}.narrative-banner p{font-size:11px;color:#d9b89c;margin:0}.narrative-banner.hidden{display:none}.march-atlas [data-motion=false] .marker-shell::after,.march-atlas [data-motion=false] .event-effect-circle{animation:none}.march-atlas button:focus-visible,.march-atlas input:focus-visible,.march-atlas select:focus-visible,.march-atlas summary:focus-visible{outline:2px solid #ffe4a4;outline-offset:4px}.march-atlas .map-loading{z-index:900}.march-atlas .event-marker-wrapper:focus-visible{outline:2px solid #ffe4a4;outline-offset:5px}.march-atlas .leaflet-marker-icon{cursor:pointer}
@keyframes march-breathe{0%,100%{transform:scale(.9);opacity:.35}50%{transform:scale(1.6);opacity:.9}}@keyframes march-halo{from{stroke-opacity:.8;fill-opacity:.08}to{stroke-opacity:.15;fill-opacity:0}}@keyframes march-flag{from{transform:translateY(15px) scale(.5);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}
@media(max-width:1100px) and (min-width:760px){.march-atlas .map-atlas-title{left:3%;width:190px}.march-atlas .map-atlas-title h1{font-size:44px}.march-forces{left:3%;max-width:200px}.march-force{font-size:11px}.march-atlas .map-story-card{width:230px;right:2%}.march-atlas .map-card-content{padding:16px}.march-atlas .map-story-card h2{font-size:20px}.march-atlas .atlas-bottom{left:24%;right:25%}.march-atlas .atlas-playback{gap:7px}.march-atlas .atlas-directory{left:3%;width:185px}.march-atlas .atlas-playback button[data-do=map-motion]{display:none}}
@media(max-height:760px) and (min-width:760px){.march-atlas .map-atlas-title{top:17%}.march-atlas .map-atlas-title h1{font-size:43px;margin:12px 0}.march-atlas .atlas-rule{margin:12px 0}.march-forces{top:58%;gap:5px}.march-forces legend{margin-bottom:6px}.march-atlas .map-story-card{top:28%;max-height:43vh}.march-atlas .map-card-content{padding:14px 18px}.march-atlas .map-story-card h2{font-size:20px;margin:8px 0}.march-atlas .map-card-fact{font-size:11px}.march-atlas .map-card-date{gap:4px}.march-atlas .atlas-bottom{bottom:37px}.march-atlas .atlas-directory{bottom:35px}.march-map-notes{bottom:37px}.march-atlas .map-zoom-controls{bottom:160px}.march-atlas .atlas-compass{top:20%}}
@media(max-width:759px){.march-atlas .map-atlas-title{top:104px;left:19px;width:auto;right:19px}.march-atlas .map-atlas-title h1{font-size:29px;line-height:1.3;margin:8px 0;letter-spacing:.12em;display:flex;gap:12px}.march-atlas .map-atlas-title h1 span{display:inline}.march-atlas .map-atlas-title .eyebrow{font-size:9px}.march-atlas .atlas-subtitle,.march-atlas .atlas-rule,.march-atlas .atlas-anniversary{display:none}.march-forces{left:19px;right:19px;top:177px;max-width:none;grid-template-columns:1fr 1fr;gap:3px 10px}.march-forces legend,.march-forces p{display:none}.march-force{font-size:10px;min-height:24px;gap:6px}.march-force input{width:13px;height:13px}.march-force-dot{width:12px}.march-atlas .map-view-controls{top:244px;left:19px;right:auto;gap:4px}.march-atlas .map-view-controls button{font-size:9px;min-height:29px;padding:4px 8px}.march-atlas .atlas-compass{right:21px;top:250px;transform:scale(.7);transform-origin:top right}.march-atlas .map-story-card{top:auto;bottom:157px;left:19px;right:19px;width:auto;max-height:155px;background:#4c1621eb;overflow:auto}.march-atlas .map-card-content{padding:12px 14px 10px}.march-atlas .map-card-date{display:block;margin:0;font-size:10px;line-height:1.5}.march-atlas .map-card-date span{font-size:9px;display:inline;margin-right:8px}.march-atlas .map-story-card h2{font-size:17px;margin:7px 0 5px;line-height:1.35}.march-atlas .map-card-fact{font-size:10px;line-height:1.65;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.march-atlas .map-detail-link{font-size:10px;min-height:25px;padding:7px 0 0}.march-atlas .map-card-navigation{display:none}.march-atlas .atlas-bottom{left:19px;right:19px;bottom:45px}.march-atlas .atlas-playback{justify-content:flex-start;gap:7px;padding:4px 0 7px}.march-atlas .atlas-playback .map-play{font-size:12px;padding:8px 11px;min-width:112px}.march-atlas .atlas-playback button{min-height:34px;font-size:10px}.march-atlas .atlas-playback button[data-do=map-motion]{font-size:9px;padding:4px}.march-step-controls button{width:27px}.march-speed{font-size:9px}.march-speed select{min-height:34px;width:47px;font-size:10px}.march-timeline{font-size:9px}.march-atlas .map-zoom-controls{bottom:330px;right:19px}.march-atlas .map-zoom-controls button{width:29px;min-height:28px;font-size:13px}.march-atlas .atlas-directory{left:19px;bottom:10px;width:110px}.march-atlas .atlas-directory summary{min-height:27px;font-size:10px;padding:4px}.march-atlas .atlas-directory summary span{display:none}.march-atlas .map-stop-scroll{width:min(320px,90vw);max-height:50vh}.march-map-notes{right:19px;bottom:13px;display:flex;gap:10px}.march-map-notes button{font-size:8px;min-height:22px;padding:2px 0}.march-atlas .atlas-credit{display:none}.march-province{font-size:11px}.march-place-label.leaflet-tooltip{font-size:9px;padding:2px 4px}.march-epilogue.leaflet-tooltip{font-size:8px}.narrative-banner{top:295px;width:240px;padding:8px 14px}.narrative-banner strong{font-size:13px}.narrative-banner p{font-size:9px}.march-summary-line{stroke-width:.5px}}
@media(max-width:359px){.march-atlas .map-atlas-title h1{font-size:25px;gap:9px}.march-atlas .atlas-playback{gap:5px}.march-atlas .atlas-playback button[data-do=map-motion]{display:none}.march-map-notes{gap:5px}.march-map-notes button{font-size:7px}}
@media(prefers-reduced-motion:reduce){.marker-shell::after,.event-effect-circle,.meeting-flag{animation:none!important}}

.march-atlas .map-atlas-title{width:280px}.march-atlas .map-atlas-title h1{font-size:clamp(40px,3.5vw,56px)}.march-atlas .map-story-card{bottom:auto;height:auto}.march-atlas .map-stop-scroll{left:0;right:auto;grid-template-columns:1fr;width:300px}
@media(max-width:759px){.march-atlas .map-atlas-title{width:auto}.march-atlas .map-atlas-title h1{font-size:29px}.march-atlas .map-story-card{top:auto;bottom:157px}.march-atlas .map-stop-scroll{width:min(320px,90vw)}}
@media(max-width:359px){.march-atlas .map-atlas-title h1{font-size:25px}}

.march-atlas .atlas-playback{margin-bottom:4px}.march-atlas .march-speed,.march-atlas .march-timeline{margin:0}.march-atlas .march-speed{display:flex;align-items:center}.march-atlas .march-timeline input{min-height:24px;padding:0}.march-atlas .march-force input{min-height:0}.march-atlas .map-detail-link{min-height:32px}
@media(max-width:759px){.march-atlas .map-story-card{bottom:166px}.march-atlas .map-card-fact{font-size:11px}.march-atlas .map-detail-link{min-height:25px}.march-atlas .atlas-bottom{bottom:48px}.march-atlas .atlas-playback{margin:0 0 4px;gap:6px}.march-atlas .march-speed select{padding:4px;min-height:34px}.march-atlas .march-timeline{margin:0;gap:8px;line-height:1.4}.march-atlas .march-timeline input{height:24px;min-height:24px;margin:0;padding:0}.march-atlas .map-stop-scroll{grid-template-columns:1fr}.march-atlas .march-force input{appearance:auto}}

.march-atlas .march-ribbon{stroke-width:.6px;stroke-linejoin:round;filter:drop-shadow(0 2px 8px #ffbd7a33)}
/* A stage map: many short curved arrows, explicit branch lines and dated strength snapshots. */
.march-atlas .map-view-controls{gap:3px;flex-wrap:wrap;max-width:calc(100% - 40px)}.march-atlas .map-view-controls select{background:#511923;color:#f1d3aa;border:1px solid #bd866950;border-radius:2px;width:110px;font-family:inherit;font-size:11px;margin:0;min-height:34px;padding:4px 8px}.march-atlas .map-view-controls [data-do=map-strength][aria-pressed=true]{background:#efcf9d;color:#71212a}.march-stage-arrow{filter:drop-shadow(0 1px 2px #ffe0a433)}.march-route-tooltip.leaflet-tooltip{background:#461520f2;color:#fbe6c4;border:1px solid #d0a47b88;box-shadow:0 5px 22px #32101d55;font-family:inherit;font-size:11px;line-height:1.8;padding:7px 10px}.march-strength-label.leaflet-tooltip{background:#4b1720ed;color:#ffe6b5;border:1px solid #d8b87b88;box-shadow:0 2px 10px #36121b40;font-size:10px;font-family:inherit;line-height:1.7;padding:4px 7px}.march-strength-label:before{display:none}.march-atlas .map-card-unit{margin:-3px 0 9px;font-size:11px;line-height:1.6;color:#e6bb8f}.strength-records article{padding:16px;background:var(--paper);border:1px solid var(--line);margin:10px 0}.strength-records article strong{font-size:26px;color:var(--red)}.strength-records article p{font-size:14px;line-height:1.9}.march-atlas #march-legend{max-width:240px;line-height:1.7;white-space:normal}.march-atlas .march-ribbon{filter:drop-shadow(0 1px 3px #ffbd7a33)}
@media(max-width:1100px) and (min-width:760px){.march-atlas .map-view-controls{max-width:470px}.march-atlas .map-view-controls button{padding:4px 8px}.march-atlas .map-view-controls select{width:100px}}
@media(max-width:759px){.march-atlas .map-view-controls{top:244px;left:19px;right:19px;max-width:none;gap:2px}.march-atlas .map-view-controls button{font-size:9px;padding:3px 6px;min-height:29px}.march-atlas .map-view-controls select{font-size:9px;min-height:29px;width:85px;padding:3px 4px}.march-atlas .map-card-unit{font-size:9px;margin:3px 0 5px}.march-strength-label.leaflet-tooltip{font-size:8px;padding:3px 5px}.march-atlas .march-forces #march-legend{display:none}.march-route-tooltip.leaflet-tooltip{font-size:10px;max-width:210px;white-space:normal}}
@media(max-width:359px){.march-atlas .map-view-controls{gap:1px}.march-atlas .map-view-controls button{font-size:8px;padding:3px 4px}.march-atlas .map-view-controls select{font-size:8px;width:78px}}
.march-strength-label.leaflet-tooltip{max-width:175px;white-space:normal}.march-atlas .map-card-strength{display:block;font-size:10px;font-weight:500;color:#f8d996;letter-spacing:0;line-height:1.6}.march-atlas .map-view-controls [data-do=map-strength][aria-pressed=true]{background:#edc98f!important;color:#572025!important}
@media(max-width:759px){.march-atlas .map-card-strength{font-size:9px}.march-strength-label.leaflet-tooltip{max-width:120px}}

.march-river-name{font-size:11px;color:#adddd5;letter-spacing:.15em;white-space:nowrap;opacity:.75}.march-atlas .atlas-credit a{color:inherit;text-decoration:none}
@media(max-width:759px){.march-river-name{font-size:9px}.march-atlas .atlas-credit{display:block;left:19px;right:auto;bottom:0;font-size:7px;line-height:1.4;letter-spacing:0;margin:0;color:#cbac92}}


/* Persistent, sparse event entrances. Province context appears only after zooming in. */
.map-canvas .march-province{opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
.map-canvas[data-place-context=expanded] .march-province{opacity:.5;visibility:visible}
.march-feature-marker{border:0;background:transparent;pointer-events:none!important}
.march-feature-marker::before{content:'';position:absolute;width:5px;height:5px;left:-3px;top:-3px;border:1px solid #f7d99f;border-radius:50%;background:#e5af72;pointer-events:none}
.march-atlas .march-feature-label{pointer-events:auto;position:absolute;top:0;transform:translateY(-50%);white-space:nowrap;width:max-content;min-height:27px;padding:3px 7px;border:0;border-bottom:1px solid #e0b78280;border-radius:2px;background:#66252bdd;color:#ffe4b1;font:500 12px/1.6 sans-serif;letter-spacing:.03em;cursor:pointer;box-shadow:0 2px 8px #30101622}
.march-feature-label.label-right{left:10px}.march-feature-label.label-left{right:10px}
.march-feature-label:hover,.march-feature-label.is-current{background:#8e3639;color:#fff1c9;border-bottom-color:#f6dca2}
.march-feature-label:focus-visible{outline:2px solid #ffe6b1;outline-offset:3px}
.march-feature-label[data-retiring=true]{pointer-events:none}
@media(max-width:759px){.march-atlas .march-feature-label{font-size:10px;min-height:25px;padding:3px 5px;letter-spacing:0}}


/* Latest positions are protected; route history uses zoom-dependent density. */
.march-label-marker{border:0;background:transparent;pointer-events:none!important}
.march-label-marker::before{content:'';position:absolute;width:4px;height:4px;left:-2px;top:-2px;border-radius:50%;background:#efd6ac;pointer-events:none}
.march-atlas .march-map-label{position:absolute;pointer-events:auto;transform:none;box-sizing:border-box;display:block;min-height:0;max-width:none;margin:0;padding:2px 7px;border:0;border-radius:2px;background:#5c2029ed;color:#f4ddbb;box-shadow:0 1px 4px #32111d20;font:500 11px/1.5 sans-serif;letter-spacing:0;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}
.march-atlas .march-feature-label{border-bottom:1px solid #e0b78280;color:#ffe7b6}
.march-atlas .march-place-button{background:#54212acc;color:#d9bd9e;box-shadow:none;padding:2px 6px}
.march-atlas .march-place-button.is-important{color:#f3dec0;background:#5a202adc}
.march-atlas .march-map-label:hover,.march-atlas .march-map-label:focus-visible{color:#fff1d2;background:#8c343c;outline:1px solid #edc798;outline-offset:2px}
.march-atlas .march-map-label.is-current{box-shadow:0 0 0 1px #f2d0a875}
.march-atlas .march-latest-label{color:var(--label-color);font-weight:600;border-left:2px solid var(--label-color);background:#481923f2;padding-right:13px}
.march-latest-label.is-offscreen::after{content:'↑';position:absolute;right:3px;top:2px;transform:rotate(var(--edge-bearing));font-size:11px}

@media(max-width:759px) and (max-height:740px){
 .march-atlas .narrative-banner{top:172px;left:19px;right:19px;transform:none;width:auto;max-height:23px;padding:2px 6px;display:flex;align-items:center;gap:6px;overflow:hidden}
 .march-atlas .narrative-banner span{font-size:9px;white-space:nowrap;flex-shrink:0;margin:0}
 .march-atlas .narrative-banner strong{font-size:10px;line-height:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0}
 .march-atlas .narrative-banner p{display:none}
}

.map-context-obscured{visibility:hidden!important}

/* A single basemap switch; terrain is a local, correctly projected relief raster. */
.march-atlas .map-basemap-control{position:absolute;z-index:800;right:3%;top:115px;min-height:34px;padding:5px 12px;border:1px solid #dfb48b66;border-radius:3px;background:#4c1420d9;color:#efd7b1;font-size:11px;cursor:pointer}
.march-atlas .map-basemap-control[aria-pressed=true]{background:#e7c28a;color:#542127;border-color:#e7c28a}
.march-atlas .map-basemap-control[aria-busy=true]{opacity:.75}
.march-terrain-image{mask-image:linear-gradient(90deg,transparent,black 3%,black 97%,transparent)}
.march-atlas[data-basemap=terrain] .map-canvas{background:#4b2628}
.terrain-credit-short{display:none}.march-atlas .atlas-credit a{pointer-events:auto}
@media(max-width:759px){
 .march-atlas .map-basemap-control{top:172px;right:19px;min-height:23px;height:23px;padding:2px 7px;font-size:10px}
 .terrain-credit-long{display:none}.terrain-credit-short{display:inline}
 .march-atlas .atlas-credit{max-width:calc(100% - 38px)}
}
@media(max-width:759px) and (max-height:740px){.march-atlas .narrative-banner{right:99px}}

/* Map first on phones: compact chrome, optional tools, measured route viewport. */
.mobile-nav-toggle,.mobile-resource-link,.mobile-card-toggle,.mobile-play-settings:empty{display:none}
.map-options-panel,.map-options-content{display:contents}.map-options-panel>summary{display:none}
@media(min-width:1600px){
 .march-atlas .map-atlas-title,.march-atlas .march-forces{left:clamp(64px,8vw,200px)}
 .march-atlas .map-story-card{right:clamp(48px,6vw,150px)}
}
@media(max-width:999px){
 .map-landing{height:100%;overflow:hidden}
 .map-landing .immersive-map{height:100vh;height:100dvh;min-height:0}
 .map-landing .site-header{z-index:950;background:linear-gradient(#541521ef,#541521aa,transparent)}
 .map-landing .header-inner{height:52px;min-height:52px;padding:0 12px;display:flex;flex-wrap:nowrap;gap:10px}
 .map-landing .brand{gap:8px}.map-landing .brand strong{font-size:16px;letter-spacing:.05em}
 .map-landing .brand small,.map-landing .header-resource{display:none}
 .map-landing .brand-symbol{height:25px;gap:3px}.map-landing .brand-symbol i{width:2px;height:9px}
 .map-landing .brand-symbol i:nth-child(2),.map-landing .brand-symbol i:nth-child(4){height:18px}.map-landing .brand-symbol i:nth-child(3){height:25px}
 .map-landing .mobile-nav-toggle{display:block;margin-left:auto;min-height:40px;padding:5px 12px;background:transparent;color:#f2d8b0;border:1px solid #ddb48755;border-radius:4px;font-size:12px}
 .map-landing #primary-navigation{display:none;position:absolute;top:54px;left:12px;right:12px;background:#4b1520f5;border:1px solid #dbb28366;border-radius:6px;padding:8px;box-shadow:0 10px 30px #23081366;max-height:calc(100dvh - 80px);overflow:auto;grid-template-columns:1fr 1fr;gap:4px}
 .map-landing[data-mobile-nav=open] #primary-navigation{display:grid}
 .map-landing #primary-navigation a{min-height:44px;margin:0;padding:8px 12px;font-size:13px}.map-landing #primary-navigation a:after{display:none}.map-landing #primary-navigation .mobile-resource-link{display:flex}
 .march-atlas .map-atlas-title{top:61px;left:12px;right:116px;width:auto;height:24px}
 .march-atlas .map-atlas-title .eyebrow{font-size:10px;line-height:24px;letter-spacing:.08em;margin:0}
 .march-atlas .map-atlas-title h1{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;margin:0;padding:0}
 .march-atlas .atlas-compass{display:none}
 .march-atlas .map-options-panel{display:block;position:absolute;z-index:920;right:12px;top:57px;width:auto;margin:0;padding:0;border:0;background:none}
 .march-atlas .map-options-panel>summary{display:block;list-style:none;min-height:36px;padding:7px 10px;border:1px solid #d4aa7b66;border-radius:4px;background:#4b1723dd;color:#f0d3ac;font-size:11px;cursor:pointer}
 .map-options-panel>summary::-webkit-details-marker{display:none}
 .march-atlas .map-options-content{display:block;position:absolute;right:0;top:43px;width:min(290px,calc(100vw - 24px));max-height:calc(100dvh - 220px);overflow:auto;padding:14px;background:#481622f7;border:1px solid #dab08066;border-radius:6px;box-shadow:0 10px 35px #23081377}
 .march-atlas .map-options-panel:not([open])>.map-options-content{display:none}
 .march-atlas .march-forces{position:static;display:grid;width:auto;max-width:none;margin:0 0 12px;padding:0;grid-template-columns:1fr;gap:3px}
 .march-atlas .march-forces legend{display:block;font-size:12px;margin-bottom:8px}.march-atlas .march-force{min-height:38px;font-size:12px;line-height:1.5;white-space:normal}.march-atlas .march-force input{width:17px;height:17px;min-width:17px;min-height:17px}
 .march-atlas .map-basemap-control{position:static;min-height:40px;height:auto;width:100%;margin:0 0 12px;font-size:12px;padding:8px 12px}
 .march-atlas .march-map-notes{position:static;display:grid;gap:0;justify-items:stretch;margin-top:10px}
 .march-atlas .march-map-notes button{text-align:left;font-size:11px;min-height:40px;padding:8px 0}
 .mobile-play-settings{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:12px}
 .march-atlas .mobile-play-settings .march-speed{display:flex;gap:8px;font-size:12px}.march-atlas .mobile-play-settings .march-speed select{font-size:12px;min-height:40px;width:65px}
 .march-atlas .mobile-play-settings [data-do=map-motion]{display:block;min-height:40px;font-size:12px;padding:6px 10px;background:#6a2730;border:1px solid #bc8a6755;color:#f0d6af;border-radius:4px}
 .march-atlas .mobile-play-settings .atlas-credit{position:static;display:block;width:100%;max-width:none;margin:4px 0 0;font-size:9px;line-height:1.6;white-space:normal}
 .march-atlas .atlas-bottom{left:12px;right:12px;bottom:calc(8px + env(safe-area-inset-bottom));margin:0}
 .march-atlas .atlas-playback{display:flex;justify-content:stretch;gap:6px;margin:0;padding:0 96px 6px 0;min-height:0}
 .march-atlas .atlas-playback .map-play{flex:1;min-width:0;min-height:40px;padding:8px 4px;font-size:12px;white-space:nowrap}
 .march-atlas .march-step-controls{display:flex;gap:4px;flex-shrink:0}.march-atlas .march-step-controls button{width:38px;min-width:38px;min-height:40px;font-size:14px;padding:4px}
 .march-atlas .march-timeline{display:flex;gap:7px;font-size:9px;line-height:24px;margin:0}.march-atlas .march-timeline input{height:24px;min-height:24px;margin:0;min-width:0}
 .march-atlas .atlas-directory{left:auto;right:12px;bottom:calc(30px + env(safe-area-inset-bottom));width:90px;max-height:none;margin:0;z-index:910}
 .march-atlas .atlas-directory summary{height:40px;min-height:40px;padding:9px 8px;font-size:11px;line-height:20px;white-space:nowrap}
 .march-atlas .map-stop-scroll{position:absolute;top:auto;bottom:46px;left:auto;right:0;width:min(360px,calc(100vw - 24px));max-height:min(55dvh,420px);padding:8px;border:1px solid #cca57877;border-radius:6px}
 .march-atlas .map-stop-button{min-height:56px}
 .march-atlas .map-story-card{top:auto;left:12px;right:12px;bottom:calc(88px + env(safe-area-inset-bottom));width:auto;height:62px;max-height:none;overflow:hidden;border:1px solid #d6ac7c66;border-top:2px solid #e2bd88;background:#4a1723ed;border-radius:4px;z-index:810}
 .march-atlas .map-card-content{position:relative;display:block;padding:7px 112px 8px 11px;min-height:60px}
 .march-atlas .map-card-date{display:block;font-size:10px;line-height:17px;white-space:nowrap;margin:0}.march-atlas .map-card-date span,.march-atlas .map-card-strength{display:none}
 .march-atlas .map-story-card h2{font-size:14px;line-height:21px;margin:1px 0 0;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}
 .march-atlas .map-card-fact,.march-atlas .map-card-unit,.march-atlas .map-card-navigation{display:none}
 .march-atlas .map-detail-link{position:absolute;right:8px;top:10px;min-height:40px;padding:8px 3px;font-size:0;margin:0}.march-atlas .map-detail-link:after{content:'详情 ↗';font-size:12px}
 .march-atlas .mobile-card-toggle{display:block;position:absolute;right:59px;top:10px;min-height:40px;padding:8px 5px;border:0;background:none;color:#e8c99f;font-size:11px}
 .march-atlas .map-story-card[data-expanded=true]{height:auto;max-height:min(44dvh,300px);overflow:auto}
 .march-atlas .map-story-card[data-expanded=true] .map-card-content{padding-bottom:14px}
 .march-atlas .map-story-card[data-expanded=true] .map-card-fact{display:block;white-space:normal;font-size:12px;line-height:1.8;margin:9px -98px 0 0;-webkit-line-clamp:unset}
 .march-atlas .map-story-card[data-expanded=true] .map-card-unit{display:block;font-size:10px;margin:5px 0 0}
 .march-atlas .map-zoom-controls{top:auto;left:auto;right:12px;bottom:calc(168px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:0;z-index:805}
 .march-atlas .map-zoom-controls button{min-width:36px;width:36px;min-height:36px;font-size:15px}.march-atlas .map-zoom-controls button:last-child{font-size:10px}
 .march-atlas .narrative-banner{top:101px;left:12px;right:12px;width:auto;max-height:27px;padding:3px 7px;display:flex;align-items:center;justify-content:center;gap:7px;transform:none}
 .march-atlas .narrative-banner span{font-size:9px;margin:0;white-space:nowrap}.march-atlas .narrative-banner strong{font-size:11px;line-height:20px;margin:0;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.march-atlas .narrative-banner p{display:none}
 .march-atlas .narrative-banner.hidden{display:none}
}
@media(max-width:999px) and (orientation:landscape){
 .march-atlas .map-story-card{right:calc(50% + 6px);bottom:8px}
 .march-atlas .atlas-bottom{left:50%;bottom:8px}.march-atlas .atlas-directory{bottom:calc(30px + env(safe-area-inset-bottom))}
 .march-atlas .map-atlas-title{display:none}.march-atlas .map-options-panel{top:10px;right:78px}
 .march-atlas .map-zoom-controls{bottom:90px}.march-atlas .narrative-banner{top:58px;right:112px;left:40%;max-width:300px}
}
@media(max-width:999px){
 .march-atlas .mobile-play-settings .map-zoom-controls{position:static;display:flex;flex-direction:row;gap:0;width:100%;margin-top:2px}
 .march-atlas .mobile-play-settings .map-zoom-controls button{flex:1;width:auto;min-height:40px;font-size:15px}
 .march-atlas .mobile-play-settings .map-zoom-controls button:last-child{font-size:12px}
}

/* Reading previews stay close to the hovered place. */
.map-place-preview{position:absolute;z-index:1200;width:280px;max-width:calc(100% - 24px);padding:15px 17px;background:#fff8eb;color:#49252b;border:1px solid #dab386;border-radius:7px;box-shadow:0 12px 36px #22091066;pointer-events:none;line-height:1.75}
.map-place-preview span{display:block;color:#865341;font-size:11px;margin-bottom:5px}.map-place-preview strong{display:block;font-size:15px}.map-place-preview p{margin:7px 0 0;font-size:12px;line-height:1.8}
.march-atlas .map-story-card.has-battle-map{border:1px solid #e4c08b;border-top:3px solid #e4c08b;box-shadow:0 12px 42px #300a1455}
.historical-facts{padding-left:24px}.historical-facts li{padding-left:5px;margin:0 0 14px;line-height:2}.historical-facts li::marker{color:#a45537;font-weight:600}


/* Regional walkthroughs zoom the original atlas and keep its timeline independent. */
 .march-atlas .map-battle-link{display:block;background:none;border:1px solid #d4af7b88;padding:8px 10px;color:#ffe0a7;font-size:11px;min-height:34px;margin-top:8px;border-radius:3px}
.march-atlas .map-story-card.is-battle-focus{border-color:#e3c08d;border-top:3px solid #e3c08d;max-height:62vh}
.battle-place-list{margin-top:16px;border-top:1px solid #d1a87944;padding-top:8px}.battle-place-list summary{font-size:11px;color:#e9c794;padding:7px 0;cursor:pointer}.battle-place-list>div{display:grid;gap:4px;margin-top:6px}.battle-place-list button{display:flex;flex-direction:column;align-items:flex-start;gap:3px;background:transparent;border:1px solid transparent;color:#e7c29b;padding:7px 9px;text-align:left;font-size:12px}.battle-place-list button small{font-size:10px;opacity:.72}.battle-place-list button[aria-pressed=true]{background:#8c494b55;border-color:#d7b48466;color:#ffe5ba}.battle-focus-places{display:flex;gap:6px;flex-wrap:wrap}.battle-focus-places button{font-size:10px;min-height:30px;color:#efd1a4;background:transparent;border:1px solid #d7b48466;padding:4px 7px}
/* A single transport controls whichever map is currently being read. */
.march-atlas .atlas-bottom[data-mode=local]{padding:9px 14px 5px;border:1px solid #e3c08d88;border-top:2px solid #e3c08d;background:#4c1621ed;border-radius:5px;backdrop-filter:blur(12px)}
.march-atlas .map-return-global{background:transparent;color:#ffe0aa;border:1px solid #e4bd8c88;padding:7px 10px}.march-atlas .map-return-global[hidden]{display:none}

@media(max-width:999px){.march-atlas .atlas-bottom[data-mode=local]{padding:5px 9px 3px}.march-atlas .atlas-playback .map-return-global{flex:none;font-size:10px;padding:5px 7px}.march-atlas .atlas-bottom[data-mode=local] .map-play{font-size:11px}}

.march-atlas[data-mode=local] .atlas-directory{display:none}
@media(max-width:999px){.march-atlas .atlas-bottom[data-mode=local] .atlas-playback{padding-right:0}}

/* Long ribbons keep crisp contours at every scale, without large filter surfaces. */
.march-atlas .march-stage-arrow{filter:none;stroke-linejoin:round;stroke-linecap:round}

/* The note is the entire music control; the slash belongs to its drawing. */
.march-atlas .map-music{position:absolute;z-index:850;top:115px;right:calc(3% + 82px);width:39px;height:39px;min-height:0;display:grid;place-items:center;padding:5px;border:1px solid #e4c38c88;border-radius:50%;background:#4c1926a6;color:#efd7aa;box-shadow:0 0 0 0 #e8c58d00;cursor:pointer;backdrop-filter:blur(8px)}
.map-music svg{width:27px;height:27px;overflow:visible}.map-music path{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.map-music .music-slash{stroke-width:1.9;opacity:1;transition:opacity .22s}.map-music[data-playing=true] .music-slash{opacity:0}.march-atlas .map-music[data-playing=true]{animation:music-breathe 3.6s ease-in-out infinite}.map-music:focus-visible{outline:2px solid #ffe2a9;outline-offset:4px}
@keyframes music-breathe{0%,100%{box-shadow:0 0 0 0 #e8c58d00;border-color:#e4c38c66}50%{box-shadow:0 0 0 5px #e8c58d14;border-color:#f6ddadcc}}
@media(prefers-reduced-motion:reduce){.march-atlas .map-music[data-playing=true]{animation:none}}
@media(max-width:999px){
 .march-atlas .map-music{top:57px;right:93px;width:35px;height:35px;padding:4px}
 .march-atlas .map-atlas-title{right:144px}
 .march-atlas .map-story-card,.march-atlas .map-story-card.is-battle-focus{height:auto;max-height:none;bottom:calc(88px + env(safe-area-inset-bottom));overflow:hidden}
 .march-atlas .map-card-content{min-height:60px;padding:7px 108px 10px 11px}
 .march-atlas .map-story-card h2{white-space:normal;font-size:14px;line-height:19px;overflow:visible;text-overflow:clip;margin:1px 0 0}
 .march-atlas .map-story-card .map-card-date{line-height:16px;font-size:10px;margin:0}
 .march-atlas .map-story-card:not([data-expanded=true]) .map-battle-link,.march-atlas .map-story-card:not([data-expanded=true]) .battle-place-list,.march-atlas .map-story-card:not([data-expanded=true]) .battle-focus-places{display:none}
 .march-atlas .map-story-card[data-expanded=true]{max-height:min(48dvh,350px);overflow:auto}
 .march-atlas .map-story-card[data-expanded=true] .battle-place-list,.march-atlas .map-story-card[data-expanded=true] .battle-focus-places{margin-right:-96px}
 .march-atlas .map-story-card[data-expanded=true] .map-battle-link{margin:10px -96px 0 0;min-height:32px}
 .march-atlas .map-card-fact{font-size:12px;line-height:1.8}
 .march-atlas .atlas-bottom[data-mode=local]{padding:5px 9px 3px}
}
@media(max-width:999px) and (orientation:landscape){.march-atlas .map-music{top:10px;right:160px}.march-atlas .map-story-card,.march-atlas .map-story-card.is-battle-focus{right:calc(50% + 6px);bottom:8px}.march-atlas .map-story-card[data-expanded=true]{max-height:65dvh}}

@media(min-width:1000px){.march-atlas .map-story-card.is-battle-focus{bottom:auto;min-height:0}.march-atlas .is-battle-focus .map-card-content{padding-bottom:17px}}

@media(min-width:1600px) and (min-height:640px){
 .march-atlas .map-story-card[data-placement=floating]{left:var(--story-card-x);top:var(--story-card-y);right:auto;bottom:auto}
}

/* Card and transport share one bottom anchor; their heights can change independently. */
.map-reading-dock{display:contents}
@media(max-width:999px){
 .march-atlas .map-reading-dock{position:absolute;left:12px;right:12px;bottom:env(safe-area-inset-bottom,0px);display:grid;gap:6px;z-index:810;pointer-events:none}
 .march-atlas .map-reading-dock>#map-story-card,.march-atlas .map-reading-dock>.atlas-bottom{position:relative;inset:auto;width:auto;margin:0;min-width:0;pointer-events:auto}
 .march-atlas .map-story-card:not([data-expanded=true]) .map-card-content{min-height:0;padding-top:6px;padding-bottom:6px}
 .march-atlas .map-story-card:not([data-expanded=true]) .map-detail-link,.march-atlas .map-story-card:not([data-expanded=true]) .mobile-card-toggle{top:4px}
}
@media(max-width:999px) and (orientation:landscape){
 .march-atlas .map-reading-dock{grid-template-columns:calc(50% - 6px) minmax(0,1fr);align-items:end}
}

/* Explanation cards take only their content height in the shared dock. */
@media(max-width:999px){
 .march-atlas .map-reading-dock>#map-story-card{align-self:end;min-height:0}
 .march-atlas .map-reading-dock .map-card-content{flex:none;min-height:0}
 .march-atlas .map-reading-dock>#map-story-card[data-expanded=true] .map-card-content{padding-bottom:8px}
}