html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden; 
    font-family: 'Inter', sans-serif;
    box-sizing: border-box;

}
ul{
    margin:0;   
    padding-inline-start: 0px;
}
li{
    margin:5px 0;
}

#main {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    background-color: #85b9e4;
}

#headBar {
    background: #14305F;
    padding: 16px 0;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 4px 4px 4px rgba(0,0,0,0.2);
    z-index: 10;
}

#headBar h1 {
    margin: 0;
    font-size: 37px;
    color: #f2efe9;;
}   
.headbar-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px; 
}

.subtitle {
    margin: 0;
    font-size: 14px;
    font-weight: 400;
    color: #d5dbe6; 
    letter-spacing: 0.3px;
}

#content {
    position: relative;
    flex: 1;
    display: flex;
    width: 100%;
    min-height: 0;
    overflow: hidden;
    margin:0;
    padding-bottom:30px;
}

#overlayDim {
    position: absolute;
    inset: 0;
    z-index: 1100;

    background: rgba(0, 0, 0, 0.55);

    display: none;
    pointer-events: none; 
}

#overlayClick {
    position: absolute;
    inset: 0;
    z-index: 1300;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    display: none;
    background: transparent;
    pointer-events: auto;
    cursor: pointer;
}

#textContainer{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(5px);
    background-color: #00000014;
    border-radius: 10px;
}

#onboardingMessage {
    color: rgb(255, 255, 255);
    text-shadow: #000000e0 1px 1px 2px;
    padding: 16px 20px;
    max-width: 400px;
    text-align: center;
    font-size: 18px;


}
#continue{
    color: rgb(165, 165, 165);
    margin-top: 12px;
    font-size: 14px;
    font-style: italic;
    text-shadow: #000000d8 1px 1px 2px;
    padding-bottom:10px;
}

#toggle {
    display: flex;
    flex-direction: column;
    width: 350px;
    gap:15px;
    overflow: hidden;
    margin: 0;
    padding: 15px;
    margin-right: -7.5px;
}

#peakMaster,
#routeMaster {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
    overflow: hidden;
    max-height: calc(50% - 7.5px);
    background-color: #f2efe9;
    cursor: pointer;

}

.scroll-area {
    max-height: 0;
    overflow-y: auto;
    transition: max-height 1s ease;
    mask-image: linear-gradient(to bottom, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to bottom, black 90%, transparent);
    cursor:default;
    border-radius: 0 0 10px 10px;
    
}


.scroll-area.show {
  max-height: 400px; 
  border-top: 1px solid #ddd;
}
.scroll-area::-webkit-scrollbar {
  width: 4px; 
}

.scroll-area::-webkit-scrollbar-thumb {
  background: #29538f; 
  border-radius: 5px;
}

.scroll-area::-webkit-scrollbar-thumb:hover {
  background: #14305F; 
}

.master-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    position: sticky;
    z-index: 5;
    padding: 12px 10px;
    font-weight: bold;
    margin:0px;
    background-color: #f2efe9;
    color:#7ca3d2;
    user-select: none;
    border-radius: 10px 10px 0 0;
}

.item-text,
.list-header{
    cursor: pointer;
}

.master-inner {
    overflow: hidden;
    transition: max-height 1s ease-out;
    margin-right: 5px;
    color:#56729a;
    font-weight: bold;
    padding-top: 5px;
    padding-left: 40px;
    list-style: none;
    
}
.master-inner.show {
    display: block;
    max-height: 1000px;
}
.list-header{
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    padding: 5px 0;
    font-size: 16px;
    font-weight: bold;
    user-select: none;
}

.inner-list {
    max-height: 0;
    overflow: hidden;
    transition: max-height 1s ease;
    margin-left: 5px;
    border-left: 1px solid #ccc;
    padding-left:15px;   
    color: #274d83;   
    list-style: none;
}
.scroll-area > .master-inner {
    padding-bottom: 5px;
}


.inner-list.show {
    max-height: 200px;
}

.inner-arrow,
.master-arrow{
    display: inline-block;
    transition: transform 0.25s ease;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid #56729a;   
}   
.master-arrow.rotated,
.inner-arrow.rotated {
    transform: rotate(180deg);
}
.inner-arrow{
    border-top-color: #274d83;
}

#data {
    position: relative;
    display: flex;
    flex-grow: 1;
    min-height: 0;
    flex-direction: column;
    overflow: hidden;
    gap: 15px;
    padding: 15px;

}

#map {
    flex: 2 1 0;
    min-height: 0;
    height: 100%;
    position: relative;
    z-index: 5;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

#elevationChartContainer {
    flex:0.7 1 0;
    min-width: 30vw;
    min-height: 15vh;
    z-index: 1000;
    border-radius: 10px ;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

#elevationChart {
    
    width: 100%;
    height: 100%;
    display: block;
}

.leaflet-popup{
    pointer-events: none;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.25));
    text-align: center;
}
.leaflet-popup-content-wrapper {
    background: #E7DFD1;
    border: 1px solid #D7CFC2;
    color: #1A1A1A;
}
.leaflet-popup-tip{
    background-color:#E7DFD1 ;
    pointer-events: none;
}
.leaflet-popup-close-button {
    display: none !important;
}
.leaflet-popup-content {
    margin:5px 15px;
    color: #1A1A1A;
}   

.app-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  text-align: center;
  padding: 6px 0;
  font-size: 13px;
  color: #777;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(5px);
  box-shadow: 0 -2px 6px rgba(0,0,0,0.05);
}

@media (max-width: 850px) {

    html, body {
        overflow: auto;
    }

    #main {
        height: auto;
        min-height: 100vh;
        overflow: visible;
    }

    #content {
        flex-direction: column;
        height: auto;
        overflow: visible;
        padding-bottom: 0;
       
    }

    #toggle {
        width: 90%;
        margin: 0;
        overflow: visible;
        align-self: center;
    }
    
    #peakMaster,
    #routeMaster {
        max-height: none !important;
        flex: none !important;
        width: 100%;
        overflow: visible;
        width: 100% !important;
        min-width: 0 !important;
    }

    .scroll-area {
        max-height: 0;
        overflow-y: hidden;
        mask-image: none;
        -webkit-mask-image: none;
    }
    .scroll-area.show {
        max-height: 200px !important;
        overflow-y: auto;
    }

    #data {
        padding: 10px 15px;
        gap: 10px;
    }

    #map {
        height: 45vh;
        border-radius: 10px;
        flex: none;
    }

    #elevationChartContainer {
        height: 25vh;
        min-height: 25vh;
        flex: none;
        border-radius: 10px;
    }

    #headBar {
        padding: 10px 10px;
    }
    #headBar h1 {
        font-size: 26px;
    }

    .subtitle {
        font-size: 12px;
    }
    .app-footer {
        font-size: 11px;
        padding: 4px 0;
        position: static; 
    }
    .master-header {
    border-radius: 10px;
    }

    .scroll-area {
        border-radius: 0 0 10px 10px;
    }

}