.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
#chart{position:absolute;top:48px;left:0;right:0;bottom:0;width:100%;height:auto}

/* ── Smooth UX polish ── */
/* Tiles fade in */
.leaflet-tile{opacity:0;transition:opacity .3s ease-in}
.leaflet-tile-loaded{opacity:1!important}
/* Popup entrance */
.leaflet-popup{animation:popupIn .2s ease-out}
@keyframes popupIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
/* GPU acceleration for map panes — prevents jank during pan */
.leaflet-map-pane,.leaflet-tile-pane,.leaflet-overlay-pane,.leaflet-marker-pane{will-change:transform;transform:translateZ(0)}
body.page-chart .site-header{position:fixed;top:0;left:0;right:0}
body.page-chart .site-header .container{height:48px}
body.page-chart .site-logo{font-size:1.1rem}
body.page-chart .site-footer{display:none}
body.page-chart{overflow:hidden;position:relative;height:100vh;height:100dvh}
body.page-chart .cookie-banner{display:none!important}

/* Controls panel */
.chart-controls{position:absolute;top:var(--sp-4);right:var(--sp-4);z-index:1000;display:flex;flex-direction:column;gap:2px;background:rgba(10,22,40,0.92);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:var(--sp-2);max-height:calc(100vh - 70px);overflow-y:auto}
.chart-controls-section{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:rgba(255,255,255,.5);padding:8px 8px 4px;margin-top:4px}
.chart-controls-section:first-child{margin-top:0}
.chart-controls-divider{border-top:1px solid rgba(255,255,255,.1);margin:4px 0}
.chart-btn{display:flex;align-items:center;gap:var(--sp-2);padding:var(--sp-2) var(--sp-3);background:transparent;border:none;border-left:3px solid transparent;border-radius:var(--radius);color:rgba(255,255,255,.85);font-size:0.78rem;font-weight:600;cursor:pointer;transition:all .15s;font-family:var(--font-sans);white-space:nowrap;min-height:44px;width:100%;text-align:left}
.chart-btn:hover{background:rgba(255,255,255,.08);color:#fff}
.chart-btn.active{border-left-color:var(--ocean);background:rgba(38,128,235,.15);color:#fff}
.chart-btn input{display:none}
.chart-btn .btn-icon{width:20px;text-align:center;flex-shrink:0}
/* Search in sidebar */
.chart-controls .chart-sidebar-search{padding:4px;margin-bottom:2px}
.chart-controls .chart-sidebar-search input{width:100%;padding:8px 12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);color:#fff;font-size:.82rem;font-family:var(--font-sans);outline:none}
.chart-controls .chart-sidebar-search input:focus{border-color:var(--ocean);background:rgba(255,255,255,.12)}
.chart-controls .chart-sidebar-search input::placeholder{color:rgba(255,255,255,.5)}
/* Popup CTA button */
.popup-cta{display:block;margin-top:8px;padding:8px 16px;background:var(--ocean);color:#fff!important;font-weight:700;text-decoration:none;font-size:.85rem;border-radius:var(--radius);text-align:center;transition:background .15s}
.popup-cta:hover{background:#1d6fa5;color:#fff!important}
/* Posidonia highlight */
.popup-posidonia{color:#f59e0b;font-weight:700}

/* Legend — collapsible */
.chart-legend{position:absolute;bottom:var(--sp-4);left:var(--sp-4);z-index:1000;background:rgba(10,22,40,0.92);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);color:rgba(255,255,255,.9);font-size:0.75rem;max-width:220px;transition:all .3s;overflow:hidden}
.chart-legend.collapsed{padding:0;border-radius:50%}
.chart-legend-toggle{width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem;color:rgba(255,255,255,.8);flex-shrink:0}
.chart-legend-toggle:hover{color:#fff}
.chart-legend-body{padding:var(--sp-3) var(--sp-4);display:none}
.chart-legend.expanded .chart-legend-body{display:block}
.chart-legend.expanded .chart-legend-toggle{position:absolute;top:4px;right:4px;width:28px;height:28px;font-size:.85rem}
.chart-legend.expanded{padding:0}
.chart-legend h4{font-size:0.78rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--ocean);margin-bottom:var(--sp-2)}
.chart-legend-item{display:flex;align-items:center;gap:var(--sp-2);margin-bottom:4px}
.chart-legend-dot{width:12px;height:12px;border-radius:50%;flex-shrink:0}
.chart-legend-section{margin-bottom:var(--sp-3)}
.chart-legend-section:last-child{margin-bottom:0}

/* Wind */
.wind-arrow{display:inline-block;font-size:16px;line-height:1;transition:transform .3s}

/* Info panel (top-left) */
.chart-info{position:absolute;top:var(--sp-4);left:var(--sp-4);z-index:1000;background:rgba(10,22,40,0.92);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:var(--sp-3) var(--sp-4);color:rgba(255,255,255,.9);font-size:0.8rem}
.chart-info strong{color:#fff;font-size:1.1rem}

/* Coordinates bar (bottom-center) */
.chart-coords{position:absolute;bottom:var(--sp-4);left:50%;transform:translateX(-50%);z-index:1000;background:rgba(10,22,40,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:var(--sp-1) var(--sp-4);font-family:var(--font-mono);font-size:0.78rem;color:#60a5fa;letter-spacing:0.02em;white-space:nowrap;user-select:all;transition:opacity .3s}

/* Search — inside sidebar on desktop, top bar on mobile */
.chart-search{display:none}
.chart-search-results{position:absolute;top:100%;left:0;right:0;margin-top:4px;background:rgba(10,22,40,0.95);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);max-height:240px;overflow-y:auto;display:none;z-index:1002}
.chart-search-results.visible{display:block}
.chart-search-item{padding:var(--sp-2) var(--sp-4);cursor:pointer;font-size:0.82rem;color:rgba(255,255,255,.9);border-bottom:1px solid rgba(255,255,255,.08)}
.chart-search-item:last-child{border-bottom:none}
.chart-search-item:hover,.chart-search-item.active{background:var(--ocean);color:#fff}
.chart-search-item small{color:rgba(255,255,255,.88);font-size:0.78rem}
.chart-search-item:hover small{color:rgba(255,255,255,.9)}

/* Distance tool */
.chart-distance{position:absolute;bottom:var(--sp-4);right:var(--sp-4);z-index:1000;background:rgba(10,22,40,0.92);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:var(--sp-3) var(--sp-4);color:rgba(255,255,255,.9);font-size:0.78rem;display:none}
.chart-distance.visible{display:block}
.chart-distance strong{color:#fff;font-size:1rem}
.chart-distance .label{color:rgba(255,255,255,.88);font-size:0.78rem;text-transform:uppercase;letter-spacing:0.04em}
.chart-distance-stats{display:flex;gap:var(--sp-4);margin-top:var(--sp-2)}
.chart-distance-stat{text-align:center}

/* Marine weather panel */
.chart-marine{position:absolute;top:60px;right:var(--sp-4);z-index:999;background:rgba(10,22,40,0.92);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:var(--sp-3) var(--sp-4);color:rgba(255,255,255,.9);font-size:0.78rem;display:none;max-width:200px}
.chart-marine.visible{display:block}
.chart-marine h4{font-size:0.78rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--ocean);margin-bottom:var(--sp-2)}
.chart-marine-row{display:flex;justify-content:space-between;padding:3px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.chart-marine-row:last-child{border-bottom:none}

/* Leaflet popup dark theme */
.leaflet-popup-content-wrapper{background:rgba(10,22,40,0.96)!important;color:rgba(255,255,255,.9)!important;border-radius:12px!important;box-shadow:0 12px 40px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.08)!important;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.leaflet-popup-tip{background:rgba(10,22,40,0.96)!important}
.leaflet-popup-close-button{color:rgba(255,255,255,.5)!important;font-size:20px!important;transition:color .15s}
.leaflet-popup-close-button:hover{color:#fff!important}
.leaflet-popup-content{font-family:var(--font-sans)!important;font-size:.85rem!important;margin:12px 16px!important}
.popup-name{font-size:1.05rem;font-weight:700;color:#fff;margin-bottom:4px}
.popup-type{font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ocean);font-weight:700;margin-bottom:6px}
.popup-stats{display:flex;gap:var(--sp-4);margin:8px 0;font-family:var(--font-mono);font-weight:700;color:#fff}
.popup-stats small{display:block;font-family:var(--font-sans);font-weight:500;font-size:.78rem;color:rgba(255,255,255,.88);text-transform:uppercase;letter-spacing:.03em}
.popup-services{display:flex;flex-wrap:wrap;gap:4px;margin:6px 0}
.popup-svc{font-size:.78rem;padding:2px 6px;background:rgba(38,128,235,.15);color:#60a5fa;border-radius:var(--radius);font-weight:600}
.popup-link{display:inline-block;margin-top:6px;color:#60a5fa;font-weight:700;text-decoration:none;font-size:.85rem}
.popup-link:hover{color:#fff}
.popup-wind{margin-top:8px;padding-top:8px;border-top:1px solid rgba(255,255,255,.1);font-size:.8rem;color:rgba(255,255,255,.85)}
.popup-wind strong{color:#fff}

/* Measure cursor */
.leaflet-measure-cursor{cursor:crosshair!important}

/* Port filter panel */
.chart-filter-panel{position:absolute;top:60px;right:var(--sp-4);z-index:999;background:rgba(10,22,40,0.95);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:var(--sp-3) var(--sp-4);color:rgba(255,255,255,.9);font-size:0.78rem;display:none;min-width:160px}
.chart-filter-panel.visible{display:block}
.chart-filter-panel h4{font-size:0.78rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--ocean);margin-bottom:var(--sp-2)}
.chart-filter-opt{display:flex;align-items:center;gap:var(--sp-2);padding:3px 0;cursor:pointer;font-size:0.78rem}
.chart-filter-opt input{accent-color:var(--ocean)}

/* Forecast slider */
.chart-forecast{position:absolute;bottom:48px;left:50%;transform:translateX(-50%);z-index:1000;background:rgba(10,22,40,0.95);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:var(--sp-3) var(--sp-4);color:rgba(255,255,255,.9);font-size:0.78rem;display:none;width:340px}
.chart-forecast.visible{display:block}
.chart-forecast h4{font-size:0.78rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--ocean);margin-bottom:var(--sp-2)}
.forecast-time{font-family:var(--font-mono);font-size:1rem;font-weight:700;color:#fff;text-align:center;margin-bottom:var(--sp-2)}
.forecast-range{width:100%;accent-color:var(--ocean);cursor:pointer}
.forecast-labels{display:flex;justify-content:space-between;font-size:.78rem;color:rgba(255,255,255,.88);margin-top:2px}

/* Semaphore removed — wind chips provided no useful value */

/* Geolocation marker */
.my-location-icon{width:20px;height:20px;background:var(--ocean);border:3px solid #fff;border-radius:50%;box-shadow:0 0 12px rgba(38,128,235,.6)}

/* Náutical scale */
.chart-scale{position:absolute;bottom:40px;left:240px;z-index:1000}

/* Depth color scale */
.depth-legend-bar{width:100%;height:12px;border-radius:4px;background:linear-gradient(to right,#08306b,#2171b5,#6baed6,#c6dbef,#f7fbff);margin:4px 0}
.depth-legend-labels{display:flex;justify-content:space-between;font-size:.78rem;color:rgba(255,255,255,.88)}

/* Navigation tools panel — white, large, readable */
.chart-nav-tools{position:absolute;top:60px;left:var(--sp-4);z-index:999;background:#fff;border:1px solid #d1d5db;border-radius:var(--radius-lg);padding:var(--sp-4) var(--sp-5);color:#1a1d26;font-size:0.9rem;display:none;min-width:280px;max-width:340px;max-height:calc(100vh - 140px);overflow-y:auto;box-shadow:0 8px 32px rgba(0,0,0,.15)}
.chart-nav-tools.visible{display:block}
.chart-nav-tools h4{font-size:0.8rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--ocean);margin-bottom:var(--sp-3);font-weight:800}

.nav-wp-item{display:flex;align-items:center;gap:var(--sp-3);padding:8px 0;border-bottom:1px solid #e5e7eb;font-size:.9rem}
.nav-wp-label{font-weight:800;color:var(--ocean);min-width:24px;font-size:1rem}
.nav-wp-coords{font-family:var(--font-mono);font-size:.82rem;color:#374151}
.nav-wp-del{background:none;border:none;color:#636878;cursor:pointer;font-size:1.1rem;padding:0 6px;line-height:1}
.nav-wp-del:hover{color:#e74c3c}

.nav-bearing-item{padding:8px 0;border-bottom:1px solid #e5e7eb;font-size:.88rem;color:#374151}
.nav-bearing-values{font-family:var(--font-mono);font-size:.88rem;display:flex;gap:var(--sp-3);margin-top:4px;flex-wrap:wrap}
.nav-bearing-rv{color:#16a34a;font-weight:700}
.nav-bearing-rm{color:#ca8a04;font-weight:700}
.nav-bearing-ra{color:#ea580c;font-weight:700}
.nav-bearing-dist{color:#4b5060;font-weight:600}

.nav-calc{margin-top:0;padding-top:0;border-top:1px solid #e5e7eb}
.nav-calc-toggle{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ocean);padding:10px 0;cursor:pointer;display:flex;align-items:center;justify-content:space-between;user-select:none}
.nav-calc-toggle::after{content:'\25B6';font-size:.78rem;transition:transform .2s}
.nav-calc-toggle.open::after{transform:rotate(90deg)}
.nav-calc-body{display:none;padding-bottom:var(--sp-2)}
.nav-calc-body.open{display:block}
.nav-calc-row{display:flex;align-items:center;justify-content:space-between;padding:5px 0;font-size:.85rem}
.nav-calc-row label{color:#4b5060;font-weight:500}
.nav-calc-input-row{display:flex;align-items:center;gap:6px}
.nav-calc-input-row input{background:#f8f9fc;border:1px solid #d1d5db;border-radius:var(--radius);color:#1a1d26;padding:5px 8px;font-size:.9rem;font-family:var(--font-mono);text-align:right}
.nav-calc-input-row span{font-size:.8rem;color:#4b5060}
.nav-calc-result{margin-top:var(--sp-3);font-family:var(--font-mono);font-size:.88rem;padding:var(--sp-3);background:#f8f9fc;border-radius:var(--radius);border:1px solid #e5e7eb;min-height:20px;color:#374151}

.nav-wp-marker{background:#e74c3c;color:#fff;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;border:3px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,.4);font-family:var(--font-mono)}

/* Bearing/demora cursor */
.leaflet-bearing-cursor{cursor:crosshair!important}

/* Exam mode button */
.chart-btn--exam{background:#0c1220!important;color:#fff!important;font-weight:600;border:1px solid rgba(37,99,235,.4)!important}
.chart-btn--exam:hover{border-color:var(--ocean)!important;background:#162132!important}
.chart-btn--exam.active{background:var(--ocean)!important;border-color:var(--ocean)!important}

/* Exam reference markers */
.exam-ref-marker{text-align:center;font-size:11px;font-weight:700;color:#1a1d26;pointer-events:auto;cursor:pointer}
.exam-ref-icon{width:20px;height:20px;border-radius:50%;border:2px solid #fff;display:inline-flex;align-items:center;justify-content:center;font-size:11px;box-shadow:0 1px 4px rgba(0,0,0,.4)}
.exam-ref-icon--faro{background:#f59e0b}
.exam-ref-icon--cabo{background:#10b981}
.exam-ref-icon--puerto{background:#2563eb}
.exam-ref-label{margin-top:2px;font-size:10px;white-space:nowrap;background:rgba(255,255,255,.92);padding:1px 4px;border-radius:3px;border:1px solid rgba(0,0,0,.15);color:#1a1d26;font-weight:600}
.exam-ref-actions{display:flex;gap:4px;margin-top:6px}
.exam-ref-actions button{background:#2563eb;color:#fff;border:none;border-radius:4px;padding:5px 8px;font-size:.72rem;font-weight:700;cursor:pointer;min-height:32px}
.exam-ref-actions button:hover{background:#1d4ed8}
.exam-popup-tool{margin-top:8px;padding-top:8px;border-top:1px solid #e5e7eb}
.exam-popup-tool label{font-size:.75rem;color:#4b5060;display:block;margin-bottom:3px}
.exam-popup-tool input[type=number],.exam-popup-tool input[type=text]{width:70px;background:#f8f9fc;border:1px solid #d1d5db;border-radius:4px;padding:5px 8px;font-size:.85rem;font-family:monospace;text-align:right}
.exam-popup-tool .exam-popup-row{display:flex;gap:4px;align-items:center;margin-bottom:4px}
.exam-popup-tool .exam-popup-btn{background:var(--ocean,#2563eb);color:#fff;border:none;border-radius:4px;padding:5px 12px;font-size:.78rem;font-weight:700;cursor:pointer;white-space:nowrap}
.exam-popup-tool .exam-popup-btn:hover{filter:brightness(1.1)}
.exam-fix-icon{background:#2563eb;color:#fff;width:24px;height:24px;border-radius:4px;transform:rotate(45deg);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:900;border:2px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,.4)}
.exam-fix-icon span{transform:rotate(-45deg)}

/* PER exam: B&W like real printed chart — readable contrast */
#chart.exam-grayscale .leaflet-tile-pane{filter:grayscale(.85) contrast(1.25) brightness(1.05)}
#chart.exam-grayscale .leaflet-marker-pane,
#chart.exam-grayscale .leaflet-popup-pane,
#chart.exam-grayscale .leaflet-overlay-pane{filter:none}

/* Exam info panel */
.chart-exam-info{position:absolute;top:60px;right:var(--sp-4);z-index:999;background:#fff;border:2px solid var(--ocean);border-radius:var(--radius-lg);padding:var(--sp-4) var(--sp-5);color:#1a1d26;font-size:0.85rem;display:none;width:300px;box-shadow:0 8px 32px rgba(0,0,0,.15)}
.chart-exam-info.visible{display:block}
.chart-exam-info h4{font-size:0.9rem;font-weight:800;color:var(--ocean);margin-bottom:var(--sp-2)}
.chart-exam-info table{width:100%;font-size:.8rem;border-collapse:collapse}
.chart-exam-info td{padding:3px 6px;border-bottom:1px solid #e5e7eb}
.chart-exam-info td:first-child{font-weight:700;color:#374151;white-space:nowrap}
.chart-exam-info td:last-child{font-family:var(--font-mono);color:#4b5060;text-align:right}

/* Mobile toggle — removed, replaced by bottom bar */

/* ── Mobile: bottom sheet pattern ── */
@media(max-width:768px){
    #chart{top:48px;bottom:0;height:auto}
    body.page-chart .site-header .container{height:48px}

    /* Hide desktop sidebar */
    .chart-controls{display:none!important}

    /* Bottom bar with quick actions */
    .chart-bottom-bar{display:flex!important}

    /* Bottom sheet */
    .chart-bottom-sheet{display:block!important}

    /* Hide legend on mobile */
    .chart-legend{display:none}

    /* Search: magnifying glass top-right, expands on tap */
    .chart-search{display:block;position:absolute;top:8px;right:8px;z-index:1001}
    .chart-search-toggle{width:44px;height:44px;border-radius:50%;background:rgba(10,22,40,0.88);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
    .chart-search.expanded{right:8px;left:8px;width:auto}
    .chart-search.expanded .chart-search-toggle{display:none}
    .chart-search.expanded input{display:block!important;width:100%;padding:10px 16px;font-size:16px;min-height:44px;background:rgba(10,22,40,0.92);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-full);color:#fff;font-family:var(--font-sans);outline:none}
    .chart-search.expanded input:focus{border-color:var(--ocean)}
    .chart-search input::placeholder{color:rgba(255,255,255,.5)}
    .chart-search-results{max-height:50vh}
    .chart-search-item{padding:10px 16px;font-size:.88rem;min-height:44px;display:flex;align-items:center}

    /* Info panel: smaller */
    .chart-info{top:54px;left:var(--sp-2);font-size:.68rem;padding:var(--sp-1) var(--sp-3);max-width:160px}
    .chart-info strong{font-size:.9rem}

    /* Coords: above bottom bar */
    .chart-coords{font-size:.78rem;bottom:60px;padding:2px 8px}

    /* Distance panel */
    .chart-distance{right:var(--sp-2);bottom:60px;left:var(--sp-2);max-width:none}

    /* Panels: full width at bottom */
    .chart-filter-panel{top:auto;bottom:60px;right:var(--sp-2);left:var(--sp-2);max-width:none}
    .chart-forecast{width:calc(100% - 16px);left:8px;transform:none;bottom:60px}
    .chart-marine{top:auto;bottom:60px;right:var(--sp-2);left:var(--sp-2);max-width:none}

    /* Nav tools panel — above mobile bottom bar */
    .chart-nav-tools{position:fixed;left:0;right:0;top:auto;bottom:calc(52px + env(safe-area-inset-bottom,0px));min-width:0;max-width:none;max-height:60vh;border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:var(--sp-3) var(--sp-4);z-index:1099}
    .nav-calc-input-row input{min-height:40px;font-size:16px}
    /* Prevent iOS zoom on any chart inputs */
    #chart input[type=text],#chart input[type=number],#chart input[type=search],.chart-nav-tools input{font-size:16px!important}

    /* Exam info */
    .chart-exam-info{width:calc(100% - 16px);right:8px;left:8px;top:auto;bottom:60px}

    /* Leaflet popups */
    .leaflet-popup-content-wrapper{max-width:calc(100vw - 40px)!important}
    .leaflet-popup-content{margin:10px 12px!important;font-size:.84rem!important}
    .popup-stats{flex-wrap:wrap;gap:8px}

    /* Exam popup tools */
    .exam-ref-actions button{min-height:44px;padding:8px 12px;font-size:.78rem}
    .exam-popup-tool input[type=number],.exam-popup-tool input[type=text]{min-height:44px;width:80px;font-size:.9rem}
    .exam-popup-tool .exam-popup-btn{min-height:44px;padding:8px 16px}

    /* Scale bar */
    .chart-scale{left:var(--sp-2);bottom:60px}
}

/* Bottom bar: quick action strip */
.chart-bottom-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:1101;height:calc(52px + env(safe-area-inset-bottom,0px));background:rgba(10,22,40,0.97);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.12);align-items:center;justify-content:space-around;padding:0 var(--sp-2);padding-bottom:env(safe-area-inset-bottom,0px)}
.chart-bottom-bar button{display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:none;color:#fff;font-size:.68rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;padding:4px 4px;min-width:0;flex:1}
.chart-bottom-bar button svg{width:20px;height:20px}
.chart-bottom-bar button.active{color:var(--ocean)}

/* Bottom sheet overlay */
.chart-bottom-sheet{display:none;position:fixed;bottom:calc(52px + env(safe-area-inset-bottom,0px));left:0;right:0;z-index:1100;background:rgba(10,22,40,0.97);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg) var(--radius-lg) 0 0;max-height:60vh;overflow-y:auto;padding:var(--sp-3) var(--sp-4);transform:translateY(110%);transition:transform .3s;-webkit-overflow-scrolling:touch}
.chart-bottom-sheet.open{transform:translateY(0)}
.chart-bottom-sheet .chart-btn{min-height:48px;font-size:.92rem;color:#fff}
.chart-bottom-sheet .chart-controls-section{font-size:.78rem;color:rgba(255,255,255,.75);font-weight:700;padding:10px 8px 6px}
.chart-bottom-sheet-handle{width:36px;height:4px;background:rgba(255,255,255,.3);border-radius:2px;margin:0 auto var(--sp-3)}

/* Small phones */
@media(max-width:380px){
    .chart-info{display:none}
    .chart-coords{font-size:.78rem}
}
/* AIS layer */
.ais-marker{pointer-events:auto}
.ais-ship-icon{cursor:pointer}
.ais-marker:hover .ais-ship-icon{filter:brightness(1.3) drop-shadow(0 0 6px rgba(255,255,255,.8))}
.ais-marker:hover{z-index:1000!important}
.ais-popup{min-width:220px;font-family:inherit}
.ais-popup-title{font-weight:800;font-size:1rem;margin-bottom:4px;color:#fff}
.ais-popup-meta{font-size:.75rem;color:#60a5fa;font-weight:600;margin-bottom:10px}
.ais-popup-row{display:flex;justify-content:space-between;font-size:.85rem;padding:5px 0;border-top:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.7)}
.ais-popup-row b{color:#fff;font-weight:700}
.ais-popup-foot{font-size:.7rem;color:rgba(255,255,255,.4);margin-top:10px;text-align:right}
.chart-toast{position:fixed;bottom:70px;left:50%;transform:translateX(-50%) translateY(20px);background:rgba(15,23,42,.95);color:#fff;padding:10px 16px;border-radius:8px;font-size:13px;z-index:2000;box-shadow:0 4px 20px rgba(0,0,0,.4);opacity:0;transition:opacity .3s,transform .3s;pointer-events:none}
.chart-toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}
.chart-toast--error{background:rgba(239,68,68,.95)}
.chart-toast--info{background:rgba(59,130,246,.95)}
.marker-cluster-small{background-color:rgba(59,130,246,.4)}
.marker-cluster-small div{background-color:rgba(37,99,235,.8);color:#fff}
.marker-cluster-medium{background-color:rgba(59,130,246,.5)}
.marker-cluster-medium div{background-color:rgba(37,99,235,.85);color:#fff}
.marker-cluster-large{background-color:rgba(59,130,246,.6)}
.marker-cluster-large div{background-color:rgba(37,99,235,.9);color:#fff}