:root{
    /* Light theme */
    --bg:#f5f7fb;           /* light app background */
    --panel:#ffffff;        /* white panel */
    --panel-2:#ffffff;
    --border:#e5e7eb;       /* light border */
    --muted:#6b7280;        /* gray-500 */
    --text:#111827;         /* gray-900 */
    --primary:#2563eb;      /* blue-600 */
    --primary-600:#1d4ed8;  /* blue-700 */
    --accent:#0ea5e9;       /* sky-500 */
    --shadow:0 6px 24px rgba(0,0,0,.08);
    --radius:10px;
}
*{
    box-sizing: border-box;
}
html, body{
    height:100%;
}
body{
    margin:0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
    background:var(--bg);
    color:var(--text);
}

#app-container{
    display:flex;
    height:100vh;
}
#sidebar{
    width: 320px;
    background: var(--panel);
    padding: 18px;
    box-shadow: var(--shadow);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 14px;
    border-right: 1px solid var(--border);
}
#map{
    flex-grow:1;
    height:100%;
}

/* Titles injected by JS */
#dataset-name{
    margin: 0 0 10px 0;
    font-weight: 700;
    letter-spacing: .2px;
    color: var(--text);
}

/* Controls */
.control{
    display:block;
    margin-bottom: 4px;
    color: var(--muted);
    font-size: 12px;
}
.select, #search-box, .btn, #items-per-page, textarea{
    width: 100%;
    padding: 10px 12px;
    background: #ffffff;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.select:focus, #search-box:focus, #items-per-page:focus, textarea:focus{
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
#search-box{
    margin-bottom: 10px;
}

/* List */
#district-list{
    list-style:none;
    padding:0;
    margin:0;
    overflow-y:auto;
    flex-grow:1;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #ffffff;
}
#district-list li{
    padding: 10px 12px;
    border-bottom: 1px solid #f1f5f9;
    cursor: pointer;
    transition: background .15s ease, color .15s ease;
}
#district-list li:hover{
    background: #f8fafc;
}
#district-list li.selected{
    background: rgba(37,99,235,.08);
    color: #0f172a;
    border-left: 3px solid var(--primary);
}

/* Pagination */
#pagination-controls{
    display:grid;
    grid-template-columns: auto 1fr auto auto;
    gap: 8px;
    align-items:center;
    padding-top: 10px;
}
#page-info{
    font-size: 13px;
    color: var(--muted);
    margin: 0;
    justify-self: center;
    white-space: nowrap;
}
.btn{
    cursor: pointer;
    background:var(--primary);
    border:1px solid var(--primary);
    color:white;
    border-radius: var(--radius);
    padding: 8px 12px;
    white-space: nowrap;
    min-width: 72px;
    text-align: center;
}
.btn:hover{
    border-color: var(--primary-600);
    background: var(--primary-600);
}
.btn:disabled{
    cursor: not-allowed;
    opacity: .5;
    background: var(--muted);
    border-color: var(--muted);
}

/* Scrollbar (WebKit) */
#district-list::-webkit-scrollbar{
    width: 10px;
}
#district-list::-webkit-scrollbar-thumb{
    background: #cbd5e1;
    border-radius: 10px;
    border: 2px solid #ffffff;
}
#district-list::-webkit-scrollbar-track{
    background: transparent;
}

/* Hamburger & responsive */
#hamburger{
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1100;
    padding: 10px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: #ffffff;
    color: var(--text);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 0.3s ease;
}
#hamburger .bar{
    display:block;
    width:22px;
    height:2px;
    background: var(--text);
    margin:4px 0;
    transition: transform .2s ease, opacity .2s ease;
}

#backdrop{
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.35);
    z-index: 900;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease;
}

/* Mobile: sidebar collapsible */
@media (max-width: 768px){
    #app-container{
        position: relative;
    }
    #sidebar{
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        transition: transform .3s cubic-bezier(0.4, 0, 0.2, 1);
        max-width: 86vw;
    }
    body.sidebar-open #sidebar{
        transform: translateX(0);
    }
    body.sidebar-open #backdrop{
        opacity: 1;
        pointer-events: auto;
    }

    /* Position close button in top-right of sidebar when open */
    body.sidebar-open #hamburger{
        position: absolute;
        top: 12px;
        right: 12px;
        left: auto;
        transform: none;
        background: #ffffff;
        z-index: 1101; /* Above sidebar content */
    }
    body.sidebar-open #hamburger .bar:nth-child(1){
        transform: translateY(6px) rotate(45deg);
    }
    body.sidebar-open #hamburger .bar:nth-child(2){
        opacity: 0;
    }
    body.sidebar-open #hamburger .bar:nth-child(3){
        transform: translateY(-6px) rotate(-45deg);
    }
}

/* Toggle switches */
.toggle-container{
    display: flex;
    gap: 8px;
    margin-top: 4px;
}
.toggle-switch{
    flex: 1;
}
.toggle-switch input[type="radio"]{
    display: none;
}
.toggle-label{
    display: block;
    padding: 8px 12px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    cursor: pointer;
    transition: all .2s ease;
    font-size: 13px;
    color: var(--text);
}
.toggle-switch input[type="radio"]:checked + .toggle-label{
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.toggle-label:hover{
    border-color: var(--primary);
    background: #f8fafc;
}
.toggle-switch input[type="radio"]:checked + .toggle-label:hover{
    background: var(--primary-600);
}

/* Desktop: hamburger hidden */
@media (min-width: 769px){
    #backdrop{
        display:none;
    }
    #hamburger{
        display:none;
    }
}

.page-container {
    max-width: 1000px;
    margin: 20px auto;
    background-color: var(--panel);
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

h1 {
    color: var(--text);
    text-align: center;
}

.result-container {
    margin-top: 20px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.result {
    background-color: var(--bg);
    padding: 15px;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
    margin-bottom: 10px;
    overflow-x: auto;
}

.result pre {
    margin: 0;
    white-space: pre-wrap; /* preserve whitespace but allow wrapping */
    overflow-wrap: anywhere; /* break long tokens like coordinates arrays */
    word-break: break-word;
}

.error {
    color: #d32f2f;
    background-color: #ffebee;
    padding: 10px;
    border-radius: var(--radius);
    margin-top: 10px;
}

.info {
    color: #1976d2;
    background-color: #e3f2fd;
    padding: 10px;
    border-radius: var(--radius);
    margin-top: 10px;
}

.tool-menu {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000; /* Ensure it's above the map */
}

.tool-menu-btn {
    padding: 10px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: #ffffff;
    color: var(--text);
    box-shadow: var(--shadow);
    cursor: pointer;
}

.dropdown-content {
    display: none;
    position: absolute;
    bottom: 100%; /* Position above the button */
    right: 0;
    background-color: var(--panel);
    min-width: 160px;
    box-shadow: var(--shadow);
    z-index: 1;
    border-radius: var(--radius);
    margin-bottom: 8px; /* Space between button and menu */
    border: 1px solid var(--border);
    overflow: hidden; /* Ensure border-radius clips content */
}

.dropdown-content a {
    color: var(--text);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: background-color .2s ease;
}

.dropdown-content a:hover {
    background-color: var(--bg);
}

.tool-menu.open .dropdown-content {
    display: block;
}

@media (max-width: 768px) {
    .tool-menu {
        display: none;
    }
}