:root {
    --forest-900: #0f2818;
    --forest-800: #1b4332;
    --forest-700: #2d6a4f;
    --forest-600: #40916c;
    --forest-500: #52b788;
    --forest-400: #74c69d;
    --forest-300: #95d5b2;
    --forest-200: #b7e4c7;
    --forest-100: #d8f3dc;
    --forest-50: #f1faf4;
    --ink: #1c2b23;
    --ink-muted: #5c7266;
    --border: #d9e6de;
    --border-soft: #e8f1ec;
    --surface: #ffffff;
    --shadow: 0 10px 28px rgba(15, 40, 24, 0.18);
    --shadow-sm: 0 2px 10px rgba(15, 40, 24, 0.16);
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
}

#map {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

#mouse-position {
    position: absolute;
    bottom: 6px;
    right: 100px;
    z-index: 10;
    background: rgba(255, 255, 255, 0.88);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-family: monospace;
    color: var(--forest-800);
    border: 1px solid var(--border-soft);
    pointer-events: none;
}

#dedication {
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    background: rgba(255, 255, 255, 0.85);
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 11px;
    color: var(--forest-800);
    font-style: italic;
    border: 1px solid var(--border-soft);
    pointer-events: none;
}

#dedication::before {
    content: "🌲 ";
    font-style: normal;
}

#sidebar-toggle {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 20;
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--forest-800), var(--forest-600));
    box-shadow: var(--shadow-sm);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

#sidebar-toggle:hover {
    box-shadow: 0 4px 14px rgba(15, 40, 24, 0.3);
    transform: translateY(-1px);
}

#sidebar-backdrop {
    display: none;
}

#panel {
    position: absolute;
    top: 12px;
    left: 58px;
    z-index: 10;
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 14px 16px;
    width: 250px;
    max-height: calc(100vh - 24px);
    overflow-y: auto;
    transform: translateX(-120%);
    opacity: 0;
    transition: transform 0.2s ease, opacity 0.2s ease;
    pointer-events: none;
    scrollbar-width: thin;
    scrollbar-color: var(--forest-300) transparent;
}

#panel::-webkit-scrollbar {
    width: 8px;
}

#panel::-webkit-scrollbar-thumb {
    background: var(--forest-300);
    border-radius: 4px;
}

#panel::-webkit-scrollbar-track {
    background: transparent;
}

#panel.open {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 640px) {
    #sidebar-backdrop.open {
        display: block;
        position: absolute;
        inset: 0;
        background: rgba(15, 40, 24, 0.35);
        z-index: 9;
    }
    #panel {
        left: 12px;
        top: 58px;
        width: calc(100vw - 24px);
        max-width: 320px;
    }
}

#panel h1 {
    margin: -14px -16px 14px -16px;
    padding: 14px 16px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.01em;
    color: #fff;
    background: linear-gradient(135deg, var(--forest-800) 0%, var(--forest-600) 100%);
    border-radius: 10px 10px 0 0;
}

#panel h1::before {
    content: "🌳 ";
}

.auth-row {
    font-size: 11px;
    color: var(--ink-muted);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-soft);
}

.auth-row a {
    color: var(--forest-700);
    font-weight: 600;
    text-decoration: none;
}

.auth-row a:hover {
    text-decoration: underline;
}

.logout-form {
    display: inline;
}

.link-button {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    font: inherit;
    color: var(--forest-700);
    font-weight: 600;
    cursor: pointer;
}

.link-button:hover {
    text-decoration: underline;
}

.my-layer-upload-form {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 8px;
}

.my-layer-upload-form input[type="text"] {
    padding: 5px 6px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 12px;
}

.my-layer-upload-form input[type="file"] {
    font-size: 11px;
}

.my-layer-upload-form button {
    padding: 6px;
    border: none;
    border-radius: 6px;
    background: var(--forest-700);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}

.my-layer-upload-form button:hover {
    background: var(--forest-800);
}

#my-layer-upload-status {
    font-size: 11px;
    margin-bottom: 6px;
    min-height: 12px;
}

.field {
    margin-bottom: 14px;
}

.field > label:not(.checkbox-row) {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--forest-700);
    margin-bottom: 6px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border-soft);
}

.button-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.button-row button {
    flex: 1;
    min-width: 48px;
    font-size: 11px;
    padding: 6px 4px;
    border: 1px solid var(--forest-300);
    border-radius: 6px;
    background: var(--forest-50);
    color: var(--forest-800);
    cursor: pointer;
    transition: background 0.12s ease, border-color 0.12s ease;
}

.button-row button:hover {
    background: var(--forest-100);
    border-color: var(--forest-400);
}

.button-row button.active {
    background: #f59e0b;
    color: #fff;
    border-color: #d97e06;
}

.ol-measure-tooltip {
    background: rgba(27, 67, 50, 0.92);
    color: #fff;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
}

.field select {
    width: 100%;
    padding: 5px 6px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--ink);
    font-size: 12px;
}

.field select:focus,
.reference-layer-filter:focus {
    outline: none;
    border-color: var(--forest-500);
    box-shadow: 0 0 0 2px var(--forest-100);
}

#basemap-switcher label {
    display: block;
    font-weight: normal;
    font-size: 13px;
    margin-bottom: 3px;
    color: var(--ink);
}

#legend div {
    font-size: 12px;
    margin-bottom: 3px;
}

.swatch {
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-right: 6px;
    border: 1px solid rgba(0, 0, 0, 0.25);
    border-radius: 3px;
    vertical-align: middle;
}

.legend-area {
    display: block;
    margin-left: 18px;
    color: var(--ink-muted);
    font-size: 11px;
}

.checkbox-row {
    display: block;
    font-weight: normal;
    font-size: 12px;
    margin-top: 6px;
    color: var(--ink);
}

input[type="checkbox"],
input[type="radio"] {
    accent-color: var(--forest-600);
}

#legend-completeness-gradient {
    height: 14px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: linear-gradient(to right, #fff5eb, #7f2704);
}

#legend-completeness-labels {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--ink-muted);
    margin-top: 2px;
}

#status {
    font-size: 11px;
    color: var(--forest-800);
    background: var(--forest-50);
    border-left: 3px solid var(--forest-400);
    border-radius: 4px;
    padding: 6px 8px;
    margin-top: 4px;
    min-height: 12px;
}

.ol-popup {
    position: absolute;
    background-color: var(--surface);
    box-shadow: var(--shadow);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-soft);
    bottom: 12px;
    left: -50px;
    min-width: 220px;
    max-width: 340px;
    max-height: 400px;
    overflow-y: auto;
    font-size: 12px;
    color: var(--ink);
}

.full-info-section {
    margin-top: 8px;
    padding-top: 6px;
    border-top: 1px dashed var(--border);
}

.full-info-section .popup-table td:first-child {
    color: var(--ink-muted);
}

.ol-popup:after, .ol-popup:before {
    top: 100%;
    border: solid transparent;
    content: " ";
    height: 0;
    width: 0;
    position: absolute;
    pointer-events: none;
}

.ol-popup:after {
    border-top-color: var(--surface);
    border-width: 8px;
    left: 48px;
    margin-left: -8px;
}

.ol-popup:before {
    border-top-color: var(--border-soft);
    border-width: 9px;
    left: 48px;
    margin-left: -9px;
}

.ol-popup-closer {
    text-decoration: none;
    position: absolute;
    top: 4px;
    right: 8px;
    color: var(--ink-muted);
}

.ol-popup-closer:hover {
    color: var(--forest-700);
}

.ol-popup-closer:after {
    content: "✕";
}

.popup-table td {
    padding: 2px 4px;
}

.popup-thumb {
    margin-top: 6px;
}

.popup-thumb img {
    max-width: 100%;
    max-height: 160px;
    border-radius: 6px;
    display: block;
}

.reference-layer-row {
    padding: 7px 0;
    border-bottom: 1px solid var(--border-soft);
}

.reference-layer-row:last-child {
    border-bottom: none;
}

.reference-layer-desc {
    font-size: 11px;
    color: var(--ink-muted);
    margin: 2px 0 4px 20px;
}

.reference-layer-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 4px 0 4px 20px;
}

.reference-layer-controls button {
    font-size: 11px;
    padding: 3px 8px;
    border: 1px solid var(--forest-300);
    border-radius: 6px;
    background: var(--forest-50);
    color: var(--forest-800);
    cursor: pointer;
    transition: background 0.12s ease;
}

.reference-layer-controls button:hover {
    background: var(--forest-100);
}

.checkbox-row.inline {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    margin: 0;
    font-size: 11px;
}

.reference-layer-color-controls {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 4px 0 4px 20px;
}

.reference-layer-color-controls select {
    font-size: 11px;
    flex: 1;
    min-width: 0;
}

.reference-layer-color-controls input[type="color"] {
    width: 26px;
    height: 22px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
}

.reference-layer-legend {
    margin: 2px 0 4px 20px;
    max-height: 120px;
    overflow-y: auto;
}

.legend-item-small {
    font-size: 11px;
    color: var(--ink);
    margin-bottom: 1px;
}

.legend-item-small .swatch {
    width: 10px;
    height: 10px;
}

.reference-layer-filter {
    display: block;
    width: calc(100% - 20px);
    margin-left: 20px;
    font-size: 11px;
    padding: 4px 6px;
    box-sizing: border-box;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--ink);
}

.cls-S1 { color: #27ae60; font-weight: bold; }
.cls-S2 { color: #d4a900; font-weight: bold; }
.cls-S3 { color: #d35400; font-weight: bold; }
.cls-N { color: #c0392b; font-weight: bold; }