:root {
    --bg-color: #f8f9fa;
    --border-color: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --primary-color: #000000;
    --primary-hover: #333333;
    --secondary-color: #e9ecef;
    --secondary-hover: #dee2e6;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* --- Header & Controls --- */
#topbar {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    z-index: 1000;
}

.brand h1 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.brand p {
    margin: 4px 0 0 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.controls {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.control-group label {
    font-weight: 500;
    color: var(--text-secondary);
}

select {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.9rem;
    background: #fff;
    cursor: pointer;
    outline: none;
}
select:focus {
    border-color: var(--text-secondary);
}

/* Custom Buttons */
button {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}
.btn-primary:hover {
    background-color: var(--primary-hover);
}
.btn-primary:disabled {
    background-color: var(--secondary-color);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-primary);
}
.btn-secondary:hover {
    background-color: var(--secondary-hover);
}

/* Floating Panel */
.floating-panel {
    position: absolute;
    top: 90px;
    right: 20px;
    width: 250px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    z-index: 2000;
    overflow: hidden;
    font-size: 0.9rem;
}
.panel-header {
    background: #f1f3f5;
    padding: 10px 15px;
    cursor: grab;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}
.panel-header:active {
    cursor: grabbing;
}
.panel-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    line-height: 1;
    padding: 0 5px;
    color: var(--text-secondary);
}
.panel-toggle:hover {
    color: var(--primary-color);
    background: none;
}
.panel-content {
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.layers-container {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-top: 5px;
}
.layer-category {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: #fff;
    overflow: hidden;
}
.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #f8f9fa;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.2s;
    user-select: none;
}
.category-header:hover {
    background: #e9ecef;
}
.category-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}
.category-body {
    display: none;
    padding: 10px 12px;
    background: #fff;
    border-top: 1px solid var(--border-color);
    flex-direction: column;
    gap: 10px;
}
.layer-category.open .category-body {
    display: flex;
}
.layer-category.open .category-header {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}
.sub-layer {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-left: 10px;
    border-left: 2px solid #e9ecef;
}
.sub-layer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.thickness-slider {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.thickness-slider input[type="range"] {
    flex: 1;
}
.chevron {
    transition: transform 0.2s;
}
.layer-category.open .chevron {
    transform: rotate(90deg);
}
.stroke-settings input[type=range] {
    width: 100%;
}

/* Stylish Checkbox (Switch) */
.switch {
    position: relative;
    display: inline-block;
    width: 32px;
    height: 18px;
    flex-shrink: 0;
}
.switch input { 
    opacity: 0;
    width: 0;
    height: 0;
}
.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #ccc;
    transition: .2s;
    border-radius: 18px;
}
.slider:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .2s;
    border-radius: 50%;
}
input:checked + .slider {
    background-color: #007bff;
}
input:checked + .slider:before {
    transform: translateX(14px);
}


input[type="color"] {
    -webkit-appearance: none;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    background: none;
}
input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}
input[type="color"]::-webkit-color-swatch {
    border: 1px solid var(--border-color);
    border-radius: 50%;
}

/* Status text */
#status-container {
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    pointer-events: none;
}
#status {
    background-color: var(--primary-color);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    display: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* --- Map Area --- */
#map-container {
    flex-grow: 1;
    position: relative;
    background: var(--bg-color);
}

#map {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 1;
    transition: filter 0.3s ease;
}

#map.dimmed {
    filter: brightness(0.4) grayscale(0.5);
    pointer-events: none;
}

/* --- Crop Overlay --- */
#crop-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px dashed #000;
    box-shadow: 0 0 0 9999px rgba(0,0,0,0.3);
    z-index: 100;
    pointer-events: none;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

#crop-overlay.preview-active {
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
    border: 1px solid rgba(0,0,0,0.1);
    background: white; /* fallback */
    pointer-events: auto; /* allow zooming inside svg-pan-zoom */
    overflow: hidden;
}

/* Geocoder custom styles */
.leaflet-control-geocoder {
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05) !important;
    overflow: hidden;
}
.leaflet-control-geocoder-form input {
    font-family: inherit !important;
    font-size: 0.9rem !important;
}

/* Pills */
.pill-group {
    display: flex;
    background: #f1f3f5;
    border-radius: 20px;
    padding: 4px;
    gap: 2px;
}
.pill {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 16px;
    border-radius: 16px;
    font-weight: 500;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}
.pill:hover:not(:disabled) {
    color: var(--text-primary);
}
.pill.active {
    background: #ffffff;
    color: var(--text-primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.pill:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Overlays */
.map-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 500; /* above map, below crop overlay */
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
}

/* Warning Overlay */
@keyframes pulseRed {
    0% { background-color: rgba(220, 38, 38, 0.1); }
    50% { background-color: rgba(220, 38, 38, 0.25); }
    100% { background-color: rgba(220, 38, 38, 0.1); }
}
.pulse-bg {
    animation: pulseRed 2s infinite ease-in-out;
}
.warning-box {
    background: #fff;
    color: #dc2626;
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(220, 38, 38, 0.2);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    border: 1px solid #fca5a5;
    pointer-events: auto;
}

/* Loading Overlay */
@keyframes moveStripes {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}
.stripes-bg {
    background: repeating-linear-gradient(
        -45deg,
        rgba(0, 0, 0, 0.05),
        rgba(0, 0, 0, 0.05) 25px,
        rgba(0, 0, 0, 0) 25px,
        rgba(0, 0, 0, 0) 50px
    );
    background-size: 50px 50px;
    animation: moveStripes 1.5s linear infinite;
    background-color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(2px);
}
.loading-box {
    background: #fff;
    padding: 20px 30px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    pointer-events: auto;
}
.loading-text {
    font-weight: 600;
    font-size: 1.1rem;
}
.progress-bar-container {
    width: 200px;
    height: 6px;
    background: #f1f3f5;
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}
@keyframes indeterminate {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}
.progress-bar-fill {
    width: 50%;
    height: 100%;
    background: var(--primary-color);
    border-radius: 3px;
    animation: indeterminate 1.5s infinite ease-in-out;
}