/* Presentation only: keep the shared palette and the existing voyage calculations. */
.simple-ui .topbar{height:68px;padding:0 28px;gap:20px}
.simple-ui .system-brand{font-size:18px;letter-spacing:-.5px}
.simple-ui .top-right{gap:12px;margin-left:auto}
.simple-ui .workspace{grid-template-columns:272px minmax(0,1fr);max-width:1680px;padding:28px;gap:24px}
.simple-ui .planner{padding:0;top:24px;min-width:0}
.simple-ui summary{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;list-style:none;color:var(--muted)}
.simple-ui summary::-webkit-details-marker{display:none}
.simple-ui summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:5px}
.simple-ui summary:hover{color:var(--ink)}
.simple-ui summary svg{width:14px;height:14px;flex-shrink:0;transition:transform .15s}
.simple-ui details[open]>summary>svg,.simple-ui details[open]>summary>.summary-end>svg{transform:rotate(180deg)}
.simple-ui .planner-summary{padding:22px 20px 18px;color:var(--ink)}
.simple-ui .planner-summary h1{margin:0;font-size:17px;line-height:1.4;letter-spacing:-.4px}
.simple-ui .planner-content{padding:0 20px 20px}
.simple-ui .planner-intro{font-size:11px;line-height:1.7;color:var(--muted);margin:-4px 0 22px}
.simple-ui #voyage-form{display:block}
.simple-ui .port-form{gap:0}
.simple-ui .port-fields label{font-size:12px;margin-bottom:7px}
.simple-ui .port-fields select{font-size:14px;height:42px;font-weight:500}
.simple-ui .port-fields label:nth-of-type(2){margin-top:18px}
.simple-ui .swap{top:67px;right:8px}
.simple-ui .schedule-fields{display:block;margin-top:24px}
.simple-ui .schedule-fields label{margin:17px 0 7px;font-size:12px}
.simple-ui .schedule-fields input{height:40px;font-size:12px;padding:8px;min-width:0}
.simple-ui .required-speed{margin-top:10px;font-size:11px}
.simple-ui .schedule-helper{margin-top:12px;font-size:11px}
.simple-ui .schedule-helper summary{justify-content:flex-start;gap:8px}
.simple-ui .schedule-chip-label{font-size:10px;margin-top:12px}
.simple-ui .schedule-chips button{padding:7px 3px}
.simple-ui .segment-settings{margin:22px 0 18px;border-top:1px solid var(--line);padding-top:16px;font-size:12px}
.simple-ui .summary-end{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:11px;font-weight:400}
.simple-ui .segment-options{margin-top:13px}
.simple-ui .primary-button{padding:12px 8px;font-size:13px;box-shadow:none}
.simple-ui .preset-details{margin-top:20px;border-top:1px solid var(--line);padding-top:16px;font-size:12px}
.simple-ui .route-presets{display:flex;flex-direction:column;max-height:320px;overflow:auto;margin-top:10px}
.simple-ui .route-preset{padding:10px 6px;min-width:0}
.simple-ui .route-preset .route-index{display:none}
.simple-ui .dashboard-title{min-height:0;margin:0 0 20px}
.simple-ui .dashboard-title h2{font-size:25px;margin:0;font-weight:600}
.simple-ui .route-meta{display:flex;gap:12px;margin-top:5px;font-size:11px;color:var(--muted);flex-wrap:wrap}
.simple-ui .route-meta>span+span{border-left:1px solid var(--line-strong);padding-left:12px}
.simple-ui .overview-grid{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:14px;margin-bottom:18px}
.simple-ui .stat{padding:20px 22px;border-radius:12px;min-width:0}
.simple-ui .stat-label{font-size:12px;margin-bottom:12px}
.simple-ui .eta-stat .arrival-time{display:block;font-size:clamp(17px,1.7vw,25px);line-height:1.4;letter-spacing:-.5px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.simple-ui .kpi-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:11px;color:var(--muted);margin-top:12px}
.simple-ui .kpi-meta b{font-weight:500}
.simple-ui .arrival-status{margin:0;font-size:10px;padding:3px 6px}
.simple-ui .fuel-headline{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.simple-ui .fuel-headline strong{font-size:32px;line-height:1.2;font-weight:600;color:var(--accent)}
.simple-ui .fuel-headline .unit{color:var(--accent)}
.simple-ui .fuel-total{display:flex;flex-direction:column;gap:3px;font-size:11px;color:var(--muted)}
.simple-ui .fuel-total b{font-size:16px;font-weight:600;color:var(--ink)}
.simple-ui .stat #saving-tonnes{font-size:11px;margin-top:12px;color:var(--muted)}
.simple-ui .voyage-grid{grid-template-columns:minmax(0,1fr) 258px;gap:16px;align-items:start}
.simple-ui .map-card{height:420px;border-radius:12px}
.simple-ui .view-switch{top:14px;bottom:auto;left:14px;margin:0;box-shadow:none}
.simple-ui .view-switch button{font-size:10px;padding:6px 8px}
.simple-ui .map-tools{top:14px;right:14px;gap:3px;padding:4px}
.simple-ui .map-more>summary{width:30px;height:30px;justify-content:center;border-radius:5px;color:var(--muted)}
.simple-ui .map-more>summary:hover{background:var(--accent-soft);color:var(--accent)}
.simple-ui .map-tools-extra{display:flex;flex-direction:column;border-top:1px solid var(--line-strong);margin-top:4px;padding-top:4px}
.simple-ui .map-legend{bottom:18px;left:14px;font-size:9px;gap:8px;padding:6px 8px}
.simple-ui .map-card:fullscreen{height:100vh;width:100vw}
.simple-ui .map-card:fullscreen .view-switch{top:22px;left:22px;bottom:auto}
.simple-ui .map-card:fullscreen .map-tools{top:22px;right:22px}
.simple-ui .map-card:fullscreen .map-legend{bottom:28px;left:22px}
.simple-ui .playback{margin-top:12px;padding:14px 16px 12px;border-radius:12px}
.simple-ui .playback-bottom{gap:10px;flex-wrap:wrap}
.simple-ui .playback input[type=range]{margin:16px 0 12px}
.simple-ui .playback-note{margin:0;font-size:10px;align-items:center;gap:10px;flex-wrap:wrap}
.simple-ui .playback-time{font-size:10px;gap:5px}
.simple-ui .speed-controls label{display:none}
.simple-ui .speed-controls select{width:90px}
.simple-ui .speed-controls button{padding:7px 9px;font-size:10px;color:var(--accent);border-color:var(--line-strong)}
.simple-ui .play-button{font-size:12px;padding:9px 13px;min-width:94px}
.simple-ui .live-voyage{padding:20px;min-width:0;border-radius:12px}
.simple-ui .live-voyage h3{font-size:13px}
.simple-ui .live-voyage .gauge{height:137px;max-width:214px;margin:15px auto 0}
.simple-ui .live-voyage .speed-readout{inset:25px 0 0}
.simple-ui .live-voyage .speed-readout strong{font-size:46px}
.simple-ui .live-voyage .speed-readout span{font-size:11px}
.simple-ui .live-voyage .current-segment{display:block;text-align:center;color:var(--muted);font-size:10px;margin:3px 0 18px}
.simple-ui .next-instruction{padding:15px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.simple-ui .next-instruction-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}
.simple-ui #nav-kicker{font-size:11px;color:var(--muted)}
.simple-ui #next-speed{font-size:27px;color:var(--accent);font-weight:600;line-height:1.2;font-variant-numeric:tabular-nums;white-space:nowrap}
.simple-ui #next-speed small{font-size:10px;color:var(--muted);font-weight:400;margin-left:5px}
.simple-ui #next-advisory{font-size:12px;line-height:1.7;margin-top:8px}
.simple-ui #next-advisory strong{font-weight:600;color:var(--ink)}
.simple-ui .recommendation{padding-top:16px;font-size:12px;line-height:1.7}
.simple-ui .recommendation>span{color:var(--muted);font-size:10px}
.simple-ui .recommendation p{margin:5px 0;font-weight:500}
.simple-ui .recommendation small{font-size:11px;color:var(--muted)}
.simple-ui .segment-fuel-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:17px;font-size:11px;color:var(--muted)}
.simple-ui .segment-fuel-row b{color:var(--ink);font-weight:500;font-size:13px}
.simple-ui .live-details{border-top:1px solid var(--line);padding-top:14px;margin-top:16px;font-size:11px}
.simple-ui .live-details dl{margin:14px 0 0;color:var(--muted)}
.simple-ui .live-details dl>div{display:flex;justify-content:space-between;gap:10px;margin-top:9px}
.simple-ui .live-details dd{margin:0;color:var(--ink);text-align:right;font-variant-numeric:tabular-nums}
.simple-ui .live-details dd small{margin-left:3px;font-size:10px;color:var(--muted)}
.simple-ui .live-details dl>div:last-child{flex-wrap:wrap}
.simple-ui .live-details dl>div:last-child dd{font-size:10px}
.simple-ui .analysis-details{margin-top:16px;min-width:0;max-width:100%;overflow:hidden}
.simple-ui .analysis-details>summary{padding:18px 20px;color:var(--ink);font-size:13px;font-weight:500}
.simple-ui .analysis-content{min-width:0;padding:0 20px 20px}
.simple-ui .analysis-content .profile,.simple-ui .analysis-content .instructions{margin:0;padding:18px 0 0;border:0;border-top:1px solid var(--line);border-radius:0;background:none}
.simple-ui .analysis-content .instructions{margin-top:20px}
.simple-ui .analysis-content .profile-legend{font-size:10px}
.simple-ui .analysis-content .chart-wrap svg{height:120px}
.simple-ui .dashboard-footer{display:block;margin-top:15px;font-size:10px;color:var(--muted)}
@media(min-width:1500px){.simple-ui .map-card{height:450px}.simple-ui .voyage-grid{grid-template-columns:minmax(0,1fr) 280px}.simple-ui .live-voyage{padding:23px}}
@media(max-width:1200px){.simple-ui .workspace{grid-template-columns:250px minmax(0,1fr);padding:22px;gap:20px}.simple-ui .planner-content{padding:0 17px 18px}.simple-ui .planner-summary{padding:20px 17px 17px}.simple-ui .voyage-grid{grid-template-columns:minmax(0,1fr) 232px;gap:12px}.simple-ui .live-voyage{padding:16px}.simple-ui .stat{padding:18px}.simple-ui .fuel-headline{gap:10px}.simple-ui .fuel-headline strong{font-size:28px}.simple-ui .map-card{height:425px}.simple-ui .playback{padding:12px}.simple-ui .playback-bottom{gap:9px}.simple-ui .transport .icon-button{width:25px}}
@media(max-width:1000px){.simple-ui .workspace{grid-template-columns:235px minmax(0,1fr);gap:16px;padding:18px}.simple-ui .voyage-grid{grid-template-columns:minmax(0,1fr)}.simple-ui .live-voyage{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 22px}.simple-ui .live-voyage>.section-heading{grid-column:1}.simple-ui .live-voyage .gauge{grid-column:1;grid-row:2/5;width:100%;margin:10px auto 0}.simple-ui .live-voyage .current-segment{grid-column:1;grid-row:5;margin:0 0 5px}.simple-ui .next-instruction{grid-column:2;grid-row:1/3;padding-top:0;border-top:0}.simple-ui .recommendation{grid-column:2;grid-row:3/6;padding-top:10px}.simple-ui .segment-fuel-row{grid-column:1/-1;margin-top:12px;border-top:1px solid var(--line);padding-top:12px}.simple-ui .live-details{grid-column:1/-1}.simple-ui .overview-grid{gap:10px}.simple-ui .stat{padding:16px}.simple-ui .eta-stat .arrival-time{font-size:18px}.simple-ui .fuel-total{font-size:10px}.simple-ui .fuel-total b{font-size:14px}.simple-ui .fuel-headline{align-items:flex-start}.simple-ui .map-card{height:365px}}
@media(max-width:800px){.simple-ui .topbar{height:62px;padding:0 18px}.simple-ui .workspace{grid-template-columns:minmax(0,1fr);gap:18px;padding:18px}.simple-ui .planner{position:static}.simple-ui .planner-summary{padding:15px 18px}.simple-ui .planner-summary h1{font-size:14px}.simple-ui .planner-content{padding:0 18px 18px}.simple-ui #voyage-form{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 22px;align-items:start}.simple-ui .port-form{grid-column:1;grid-row:1}.simple-ui .schedule-fields{grid-column:2;grid-row:1;margin:0}.simple-ui .schedule-fields label:first-child{margin-top:0}.simple-ui .segment-settings{grid-column:1;grid-row:2;margin:14px 0}.simple-ui .primary-button{grid-column:1/-1;margin-top:14px}.simple-ui .form-error{grid-column:1/-1}.simple-ui .planner-intro{margin:0 0 16px}.simple-ui .dashboard-title{margin-bottom:16px}.simple-ui .dashboard-title h2{font-size:24px}.simple-ui .eta-stat .arrival-time{font-size:21px}.simple-ui .map-card{height:400px}.simple-ui .overview-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}.simple-ui .fuel-headline{flex-wrap:nowrap}.simple-ui .live-voyage{grid-template-columns:minmax(0,1fr) minmax(0,1fr);padding:20px}.simple-ui .preset-details{margin-top:16px}.simple-ui .route-presets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-height:280px}.simple-ui .analysis-details>summary{padding:16px}.simple-ui .analysis-content{padding:0 16px 16px}}
@media(max-width:540px){.simple-ui .topbar{min-height:60px;height:auto;gap:8px;padding:12px;flex-wrap:wrap}.simple-ui .system-brand{font-size:14px;gap:5px}.simple-ui .brand-symbol{width:23px}.simple-ui .brand-symbol svg{width:23px}.simple-ui .top-right{gap:3px}.simple-ui .top-right .icon-button{width:27px}.simple-ui .screen-mode button{font-size:10px;padding:4px}.simple-ui .workspace{padding:12px;gap:16px}.simple-ui .overview-grid{grid-template-columns:minmax(0,1fr);gap:10px;margin-bottom:12px}.simple-ui .stat{padding:17px 18px}.simple-ui .stat-label{margin-bottom:9px}.simple-ui .eta-stat .arrival-time{font-size:23px}.simple-ui .fuel-headline{flex-wrap:nowrap;align-items:center}.simple-ui .fuel-headline strong{font-size:30px}.simple-ui .fuel-total{flex-direction:row;align-items:center;gap:8px;font-size:11px}.simple-ui .fuel-total b{font-size:16px}.simple-ui .kpi-meta{margin-top:10px}.simple-ui .dashboard-title h2{font-size:23px}.simple-ui .route-meta{font-size:10px}.simple-ui .map-card{height:340px}.simple-ui .map-tools{right:10px;top:10px}.simple-ui .view-switch{top:10px;left:10px}.simple-ui .view-switch button{font-size:9px;padding:5px 7px}.simple-ui .map-legend{left:10px;bottom:18px;font-size:8px}.simple-ui .playback-note{font-size:9px;gap:6px}.simple-ui .playback-time{font-size:9px}.simple-ui .play-button{min-width:88px;font-size:11px;padding:8px 10px}.simple-ui .speed-controls select{width:83px;font-size:10px}.simple-ui .speed-controls button{font-size:9px;padding:7px}.simple-ui .live-voyage{padding:16px;gap:0 14px}.simple-ui .live-voyage .gauge{height:126px}.simple-ui .live-voyage .speed-readout strong{font-size:40px}.simple-ui .next-instruction-heading{flex-wrap:wrap;gap:8px}.simple-ui #next-speed{font-size:25px}.simple-ui .recommendation p{font-size:11px}.simple-ui .recommendation small{font-size:10px}.simple-ui .analysis-details>summary{font-size:12px;padding:16px 14px}.simple-ui .analysis-details .summary-end{font-size:10px;gap:5px}.simple-ui #analysis-summary{max-width:135px;text-align:right}.simple-ui .analysis-content{padding:0 14px 16px}.simple-ui .analysis-content .profile-legend{font-size:9px}.simple-ui .dashboard-footer{font-size:9px}.simple-ui #voyage-form{display:block}.simple-ui .schedule-fields{margin-top:20px}.simple-ui .segment-settings{margin:20px 0 14px}.simple-ui .primary-button{margin-top:0}.simple-ui .route-presets{display:flex}}
@media(prefers-reduced-motion:reduce){.simple-ui summary svg{transition:none}}
@media(max-width:1000px){.simple-ui .live-voyage{grid-row:1}.simple-ui .map-column{grid-row:2}}

/* Weather replay and bounded speed allocation. */
.simple-ui .plan-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:4px 0 14px}
.simple-ui .plan-metrics>span{font-size:var(--type-note);color:var(--muted);line-height:1.6}
.simple-ui .plan-metrics strong{display:block;margin-top:4px;color:var(--ink);font-size:var(--type-body);font-weight:600;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.simple-ui #weather-record-time,.simple-ui #segment-passage-time{font-size:var(--type-note);overflow-wrap:anywhere;max-width:145px}
.simple-ui .live-details dt{flex-shrink:0}
@media(max-width:540px){.simple-ui .plan-metrics{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}.simple-ui .plan-metrics>span:last-child{grid-column:1/-1}.simple-ui .plan-metrics strong{font-size:var(--type-small)}}

.simple-ui .secondary-fuel-comparison{display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-top:1px solid var(--line);padding-top:12px;margin-top:12px;font-size:var(--type-small);color:var(--muted)}
.simple-ui .secondary-fuel-comparison b{color:var(--ink);font-weight:600;white-space:nowrap;font-variant-numeric:tabular-nums}
.simple-ui .stat #same-arrival-baseline,.simple-ui .stat #reference-fuel{font-size:var(--type-note);color:var(--muted)}
.simple-ui .fuel-comparison-note{font-size:var(--type-note);line-height:1.7;color:var(--muted);margin-top:12px}
.simple-ui .fuel-summary .stat-label{white-space:normal}

.simple-ui .schedule-fields input[readonly]{cursor:default;background:var(--surface);color:var(--muted)}

.simple-ui .brand-lockup{display:flex;align-items:center;gap:20px;min-width:0}
.simple-ui .prototype-label{font-size:var(--type-note);line-height:1.5;color:var(--muted);white-space:nowrap}
.simple-ui .fuel-reference{border-top:1px solid var(--line);padding-top:10px;margin-top:12px;font-size:var(--type-note)}
.simple-ui .fuel-reference .secondary-fuel-comparison{border:0;padding-top:0;margin-top:12px}
.simple-ui .fuel-reference .fuel-comparison-note{margin-top:6px}
.simple-ui .scenario-statistics{margin-top:16px;overflow:hidden}
.simple-ui .scenario-statistics>summary{padding:18px 20px;font-size:var(--type-body);font-weight:600;color:var(--ink)}
.simple-ui .statistics-content{padding:0 20px 20px}
.simple-ui .statistics-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.simple-ui .statistics-metrics span{display:block;font-size:var(--type-small);color:var(--muted)}
.simple-ui .statistics-metrics strong{display:block;font-size:24px;font-weight:600;font-variant-numeric:tabular-nums;margin-top:6px;color:var(--ink)}
.simple-ui .scenario-statistics p{font-size:var(--type-note);color:var(--muted);line-height:1.7;margin-top:12px}
.simple-ui .statistics-content>a{display:inline-block;margin-top:16px}
.simple-ui #sources-dialog{width:min(540px,92vw)}
.simple-ui .guide-steps{padding-left:22px;margin:22px 0}
.simple-ui .guide-steps li{padding-left:8px;margin-bottom:16px}
.simple-ui .guide-steps li::marker{color:var(--accent);font-weight:600}
.simple-ui .guide-steps p{margin:4px 0 0}
@media(max-width:1000px){.simple-ui .brand-lockup{display:block}.simple-ui .prototype-label{display:block;margin-left:44px;font-size:11px}}
@media(max-width:540px){.simple-ui .topbar{align-items:flex-start;gap:12px}.simple-ui .top-right{margin-top:4px}.simple-ui .prototype-label{margin:3px 0 0 28px}.simple-ui .statistics-content{padding:0 14px 16px}.simple-ui .scenario-statistics>summary{padding:16px 14px}.simple-ui .statistics-metrics{gap:10px}.simple-ui .statistics-metrics span{font-size:var(--type-note)}.simple-ui .statistics-metrics strong{font-size:20px}}