:root {
    --primary-bg: #111;
    --secondary-bg: #222;
    --tertiary-bg: #333;
    --tertiary-hover-bg: #666;
    --primary-text: #ffffff;
    --secondary-text: #bbbbbb;
    --font-family-heading: "Host Grotesk", sans-serif;
    --font-family-body: "Inter", sans-serif;
    --accent-color: #9cf;
    --accent-hover: #9ff;
    --border-color: #777;
    --marker-default-color: #757575;
    --attribution-bg: rgba(0, 0, 0, 0.7);
    --reset-text-shadow: 1px 1px 2px black;
}

body {
    font-family: var(--font-family-body);
    margin: 0;
    padding: 0;
    background-color: var(--primary-bg);
    color: var(--primary-text);
    display: flex;
    height: 100vh;
    overflow: hidden;
}

#app-container {
    display: flex;
    width: 100%;
    height: 100%;
}

#left-panel {
    width: min(400px, max(330px, 35%));
    background-color: var(--primary-bg);
    padding: 10px 5px;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    flex-shrink: 0;
    box-sizing: border-box;
    transition: width 0.3s ease, padding 0.3s ease;
}

#left-panel > * {
    transition: opacity 0.15s ease-out;
    min-width: 0;
}

#left-panel.collapsed {
    width: 0;
    padding: 0;
    overflow: hidden;
}

#left-panel.collapsed > * {
    opacity: 0;
    transition: opacity 0.1s ease-in;
}

.panel-header h2 {
    font-family: var(--font-family-heading);
    color: var(--accent-color);
    margin-top: 0;
    text-align: center;
    font-weight: 500;
    font-size: 1.8em;
}

.filter-group {
    margin-bottom: 2px;
    flex-shrink: 0;
}

#tag-search-filter {
    padding: 0 15px;
    align-self: flex-start;
}

.filter-group label {
    font-family: var(--font-family-heading);
    font-weight: 500;
    display: block;
    margin-bottom: 8px;
    color: var(--secondary-text);
    font-size: 0.95em;
}

#title-container {
    display: block;
    font-family: var(--font-family-heading);
    color: var(--secondary-text);
    font-weight: 500;
    font-size: 1.1em;
    margin-bottom: 0;
    margin-right: 0;
    white-space: nowrap; /* Prevent title from wrapping */    
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap; /* Allow items to wrap */
    justify-content: flex-start;
    align-items: center;    
    padding-left: 15px;
    margin-bottom: 10px;
}

#date-filter-container {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 5px;
    padding-left: 15px;
}

.date-picker-container {
    position: relative;
}

#map-container {
    flex-grow: 1;
    position: relative;
}

#toggle-panel-btn {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 1000;
    background-color: var(--secondary-bg);
    color: var(--primary-text);
    border: 0;
    border-radius: 4px;
    cursor: pointer;
    padding: 5px 10px;
    font-size: 1.5em;
    line-height: 1;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    transition: background-color 0.2s;
}

#toggle-panel-btn:hover {
    background-color: var(--tertiary-hover-bg);
}

#map {
    height: 100%;
    width: 100%;
}

#tag-filters-container {
    flex-grow: 1;
    min-height: 0;
    box-sizing: border-box;
    overflow-y: auto;
    padding: 10px;
    background-color: var(--primary-bg);
    border-radius: 4px;
    -ms-overflow-style: none;
    scrollbar-width: none;
    -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
}

#tag-filters-container::-webkit-scrollbar,
#left-panel::-webkit-scrollbar,
.popup-events-list::-webkit-scrollbar {
    display: none;
}

#tags-wrapper {
    position: relative;
    flex-grow: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

#toggle-tags-btn {
    display: none;
}

.tag-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.popup-tags-container {
    margin-top: 4px;
    margin-bottom: 4px;
}

.tag-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.94em;
    font-weight: 400;
    font-family: var(--font-family-heading);
    cursor: pointer;
    border: 0;
    overflow: hidden;
    text-align: center;
    line-height: 1.2;
}

.tag-button.moving {
    transition: transform 0.3s ease-in-out;
}

.tag-button.state-unselected {
    background-color: var(--tertiary-bg);
    color: var(--secondary-text);
}

.tag-button.state-unselected:hover {
    background-color: var(--tertiary-hover-bg);
    color: var(--primary-text);
}

.tag-button.state-selected,
.tag-button.state-required {
    color: white;
    font-weight: 500;
    text-shadow: 0 0 6px #000;
}

.tag-button.state-required {
    border: 2px solid var(--primary-bg);
    filter: drop-shadow(0 0 3px white);
}

.tag-button.state-forbidden {
    text-decoration: line-through;
    border: 1px solid transparent;
    padding: 3px 9px;
    background-color: transparent;
    color: var(--secondary-text);
}

.tag-button.state-forbidden {
    text-decoration: line-through;
}

.tag-button.state-selected, .tag-button.state-required {
    color: white;
}

.tag-button.state-forbidden:hover {
    text-decoration: line-through;
    border: 1px solid var(--tertiary-bg);
    padding: 3px 9px;
    color: var(--secondary-text);
}

button#reset-filters {
    padding: 10px 15px;
    background-color: var(--tertiary-bg);
    color: var(--primary-text);
    font-weight: bold;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    width: 100%;
    margin-bottom: 10px;
    flex-shrink: 0;
    text-shadow: var(--reset-text-shadow);
}

button#reset-filters:hover {
    background-color: var(--accent-hover);
}

#event-count-display {
    margin-top: 15px;
    font-size: 0.9em;
    color: var(--secondary-text);
    text-align: center;
    padding: 10px;
    background-color: var(--primary-bg);
    border-radius: 4px;
    flex-shrink: 0;
}

.leaflet-popup-content-wrapper {
    background: var(--secondary-bg);
    color: var(--primary-text);
    border-radius: 8px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.4);
    min-width: 400px;
}

.leaflet-popup-content {
    font-size: 1.1em;
    font-weight: 400;
    line-height: 1.1;
    margin: 0 !important;
    color: var(--primary-text);
    max-height: 450px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    width: auto !important;
}

.leaflet-popup-content p {
    margin: 3px 0;
    color: var(--primary-text);
}

.leaflet-popup-content details p {
    margin: 2px 0;
}

.leaflet-popup-content details {
    border-bottom: 0;
    margin-bottom: 5px;
    padding-bottom: 5px;
}

.leaflet-popup-content details:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.leaflet-popup-content summary {
    font-family: var(--font-family-heading);
    cursor: pointer;
    font-weight: 500;
    padding: 2px 0;
    color: #c8535b;
    outline: none;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: 1.1em;
}

.leaflet-popup-content details[open] > summary {
    color: #f1c160;
}

.leaflet-popup-content details:not([open]) > summary:hover {
    color: #ff858b;
    opacity: 1;
}

.leaflet-popup-content details[open] > summary:hover {
    color: #fff2a7;
    opacity: 1;
}

.leaflet-popup-content a {
    color: var(--accent-color);
    text-decoration: none;
}

.leaflet-popup-content a:hover {
    text-decoration: underline;
    color: var(--accent-hover);
}

.popup-header {
    padding: 10px 0 0 0;
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    gap: 0;

    font-family: var(--font-family-heading);
    font-weight: 500;
    font-size: 1.3em;    
}

.popup-header-location {
    padding-left: 4px;
}

.popup-header p {
    margin: 0;
}

.popup-header .popup-header-address {
    color: var(--secondary-text);
}

.popup-header-emoji {
    padding: 4px;
    font-size: 2em;
    line-height: 1;
}

.popup-header-text p {
    line-height: 1.1;
    margin-bottom: 0px;
}

.popup-header .tag-button {
    font-size: 0.84rem; /* Use rem to base font size on the root, not the parent */
    font-weight: 400; /* Reset font-weight as it might be inherited */
}

.popup-events-list {
    padding: 8px 12px 12px;
    overflow-y: auto;
    flex-grow: 1;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.popup-event-emoji {
    font-size: 1.15em;
    line-height: 1;
}

.popup-external-link {
    display: inline-block;
}

.popup-external-link svg {
    width: 1.1em;
    height: 1.1em;
    vertical-align: -0.15em;
    transition: stroke 0.2s ease;
}

.popup-external-link:hover {
    text-decoration: none;
}

.leaflet-popup-tip {
    background: var(--secondary-bg);
}

.leaflet-popup-close-button {
    color: var(--primary-text) !important;
    padding: 8px 8px 0 0 !important;
    width: 36px !important;
    height: 36px !important;
    padding: 0 !important;
    top: 0 !important;
    right: 0 !important;
    font-size: 24px !important;
    line-height: 30px !important;
    text-align: center;
    border-radius: 0 8px 0 0;
}

.leaflet-popup-close-button:hover {
    color: #ff8a80 !important;
}

.custom-marker-icon {
    background: none;
    border: none;
}

.leaflet-control-attribution {
    background: var(--attribution-bg) !important;
    color: var(--secondary-text) !important;
}

.leaflet-control-attribution a {
    color: var(--accent-color) !important;
}

.leaflet-tooltip {
    background-color: var(--primary-bg) !important;
    border: 0;
    color: var(--primary-text) !important;
    padding: 4px 8px !important;
    border-radius: 4px !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3) !important;
    font-size: 1.2em !important;
    font-weight: bold;
}

.leaflet-control-zoom {
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 5px rgba(0,0,0,0.4);
}

.leaflet-bar a,
.leaflet-bar a:hover {
    background-color: var(--tertiary-bg);
    color: var(--primary-text);
    border-bottom: 1px solid var(--border-color);
}

.leaflet-bar a:hover {
    background-color: var(--tertiary-hover-bg);
}

.leaflet-bar a:last-child {
    border-bottom: none;
}

.popup-event-datetime, .popup-event-location, .popup-event-sublocation {
    color: var(--secondary-text);
    font-size: 0.9em;
    font-style: italic;
    padding-left: 1em;
    margin-bottom: 4px !important;
    margin-top: 4px !important;
}

.calendar-icon,
.search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--accent-color);
}

.date-picker-container:hover .calendar-icon,
.search-input-container:hover .search-icon {
    color: var(--accent-hover);
    transition: color 0.2s ease;
}

#date-picker-sizer {
    position: absolute;
    visibility: hidden;
    height: auto;
    width: auto;
    white-space: nowrap;
    font-family: var(--font-family-body);
    font-size: 0.95em;
    padding-left: 35px;
    padding-right: 6px;
}

#date-picker,
#tag-search-input {
    padding: 6px 6px 6px 35px;
    background-color: var(--primary-bg);
    border: 1px solid var(--tertiary-bg);
    color: var(--secondary-text);
    border-radius: 4px;
    box-sizing: border-box;
    font-family: var(--font-family-body);
    font-size: 0.95em;
    margin-bottom: 0;
    text-align: left;
    line-height: 1.2;
}

#date-picker {
    cursor: pointer;
}

#tag-search-input {
    cursor: text;
    max-width: 300px;
}

.flatpickr-calendar {
    background: var(--secondary-bg);
    border-radius: 4px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.4);
    border: 0;
    color: var(--primary-text);
}

.flatpickr-months .flatpickr-month {
    color: var(--accent-color);
    fill: var(--accent-color);
}

.flatpickr-months .flatpickr-prev-month svg,
.flatpickr-months .flatpickr-next-month svg {
    fill: var(--accent-color);
}

.flatpickr-months .flatpickr-prev-month:hover svg,
.flatpickr-months .flatpickr-next-month:hover svg {
    fill: var(--accent-hover);
}

span.flatpickr-day {
    color: var(--primary-text);
}

span.flatpickr-day:hover,
span.flatpickr-day.prevMonthDay:hover,
span.flatpickr-day.nextMonthDay:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff;
}

span.flatpickr-day.selected,
span.flatpickr-day.startRange,
span.flatpickr-day.endRange {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

span.flatpickr-day.inRange,
span.flatpickr-day.prevMonthDay.inRange,
span.flatpickr-day.nextMonthDay.inRange {
    background: var(--tertiary-bg);
    border-color: var(--tertiary-bg);
    box-shadow: -5px 0 0 var(--tertiary-bg), 5px 0 0 var(--tertiary-bg);
}

span.flatpickr-day.today {
    border-color: var(--accent-hover);
}

span.flatpickr-day.today:hover {
    background: var(--accent-hover);
    color: #fff;
}

.flatpickr-current-month input.cur-year,
.flatpickr-current-month input.cur-year[disabled],
.flatpickr-current-month span.cur-month {
    color: var(--accent-color);
    pointer-events: none;
}

.numInputWrapper span.arrowUp,
.numInputWrapper span.arrowDown {
    display: none;
}

span.flatpickr-weekday {
    color: var(--accent-color);
    font-weight: bold;
}

.search-input-container {
    position: relative;
}

@media (max-width: 768px) {
    #app-container {
        flex-direction: column;
    }

    #left-panel {
        width: 100% !important;
        height: auto;
        max-height: 45vh;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        overflow-y: auto;
        padding: 10px;
        transition: height 0.3s ease, padding 0.3s ease;
        -ms-overflow-style: none;
        scrollbar-width: none;
    }

    #left-panel.collapsed {
        height: 0;
        width: 100% !important;
        padding-top: 0;
        padding-bottom: 0;
    }

    #resize-handle {
        display: none;
    }

    .panel-header h2 {
        font-size: 1.5em;
        margin-bottom: 10px;
    }

    .filter-group {
        margin-bottom: 0px;
    }

    #event-count-display,
    button#reset-filters {
        margin-top: 10px;
    }

    .leaflet-popup-content-wrapper {
        min-width: 400px;
        max-width: 90vw;
    }

    #tag-search-filter {
        padding: 0 15px;
        align-self: flex-start;
    }

    .leaflet-popup-content {
        max-height: 450px;
    }

    #tag-filters-container {
        transition: max-height 0.3s ease;
    }

    #tag-filters-container.collapsed {
        max-height: 50px;
        overflow-y: hidden;
    }

    #toggle-tags-btn {
        display: flex;
        position: absolute;
        bottom: 10px;
        right: 10px;
        z-index: 1001;
        background-color: var(--accent-color);
        color: var(--primary-bg);
        border: none;
        border-radius: 8px;
        width: 30px;
        height: 30px;
        cursor: pointer;
        box-shadow: 0 2px 8px rgba(0,0,0,0.4);
        align-items: center;
        justify-content: center;
        transition: background-color 0.2s ease;
    }

    #toggle-tags-btn:hover {
        background-color: var(--accent-hover);
    }

    #toggle-tags-btn svg {
        stroke: var(--primary-bg);
        stroke-width: 3;
        transition: transform 0.3s ease;
    }

    #tag-filters-container.collapsed + #toggle-tags-btn svg {
        transform: rotate(180deg);
    }

    .leaflet-control-zoom {
        display: none;
    }
}

.loading-message {
    text-align: center;
    padding: 20px;
    animation: pulse-text 1.5s ease-in-out infinite;
}

@keyframes pulse-text {
    0% { color: var(--secondary-text); }
    50% { color: var(--primary-text); }
    100% { color: var(--secondary-text); }
}

.initially-hidden {
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s 0.2s, opacity 0.2s ease-in-out;
}