:root{--bg-color:#fff;--text-color:#333;--panel-bg:#fff;--border-color:#eee;--primary-color:#007bff;--nav-green:#e8f5e9;--nav-green-text:#1b5e20;--secondary-bg:#f8f8f8;--shadow-color:rgba(0,0,0,.2);--map-filter:none}body.dark-mode{--bg-color:#121212;--text-color:#e0e0e0;--panel-bg:#1e1e1e;--border-color:#333;--primary-color:#4dabf5;--nav-green:#1b2e1e;--nav-green-text:#a5d6a7;--secondary-bg:#2d2d2d;--shadow-color:rgba(0,0,0,.5);--map-filter:invert(100%) hue-rotate(180deg) brightness(95%) contrast(90%)}body.large-text{font-size:18px}body.large-text h3{font-size:1.5em}body.large-text button{font-size:1.1em;padding:15px}body.high-contrast{--primary-color:#04c;--text-color:#000;--border-color:#000}body.high-contrast .opcion-ruta,body.high-contrast button{border:2px solid #000!important}body,html{margin:0;padding:0;height:100%;width:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe 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var(--shadow-color);z-index:5;padding-bottom:env(safe-area-inset-bottom);border-top:1px solid var(--border-color)}.bottom-nav,.nav-item{display:flex;align-items:center}.nav-item{background:none;border:none;flex-direction:column;justify-content:center;color:#999;font-size:.75em;cursor:pointer;width:20%;padding:5px 0;transition:color .2s}.nav-item i{font-size:1.5em;margin-bottom:2px;transition:transform .2s}.nav-item.activo{color:var(--primary-color);font-weight:700}.nav-item.activo i{transform:translateY(-3px)}.pantalla-completa{position:fixed;top:0;left:0;width:100%;height:calc(100% - 65px);background-color:var(--secondary-bg);z-index:3;display:flex;justify-content:center;align-items:center;padding:20px;box-sizing:border-box}.placeholder-content{text-align:center;color:var(--text-color)}.icono-grande{font-size:5em;color:#ccc;display:block;margin-bottom:20px}.badge-desarrollo{display:inline-block;background-color:#ffc107;color:#333;padding:6px 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rgba(0,0,0,.5);color:#fff;font-weight:700;font-size:14px;text-align:center;line-height:26px}.oculto{display:none!important}#alert-indicator,#offline-indicator{position:fixed;bottom:65px;left:0;width:100%;text-align:center;font-size:.9em;font-weight:700;z-index:4;padding:8px;transform:translateY(100%);transition:transform .3s ease}#offline-indicator{background-color:#333;color:#fff}#alert-indicator{background-color:#ffc107;color:#333}#alert-indicator:not(.oculto),#offline-indicator:not(.oculto){transform:translateY(0)}.leaflet-bottom{bottom:75px!important}#web-splash{position:fixed;top:0;left:0;width:100%;height:100%;background-color:var(--bg-color);z-index:7;justify-content:center;transition:opacity .5s ease-out}#web-splash,.splash-content{display:flex;align-items:center}.splash-content{flex-direction:column;text-align:center}.splash-logo{width:120px;height:auto;margin-bottom:15px;animation:b 2s infinite}.splash-content h2{margin:10px 0 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rgba(0,0,0,.3));margin-top:-15px}.marca-header{display:flex;align-items:center;justify-content:center;text-decoration:none;color:inherit;cursor:pointer;transition:opacity .2s ease;flex-grow:1;margin:0 10px}.marca-header:hover{opacity:.7}.logo-mini{height:28px;width:auto;margin-right:8px;border-radius:6px;box-shadow:0 2px 4px rgba(0,0,0,.1)}.marca-header h3{margin:0;font-size:1.15rem;white-space:nowrap}