* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: #1a1a1a;
    color: #ffffff;
    overflow: hidden;
}

header {
    background-color: #2c3e50;
    padding: 15px 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.header-title {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

header h1 {
    font-size: 24px;
    color: #3498db;
}

.legal-btn {
    padding: 4px 12px;
    font-size: 12px;
    background-color: #7f8c8d;
    border: none;
    border-radius: 4px;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s;
    white-space: nowrap;
}

.legal-btn:hover {
    background-color: #95a5a6;
}

.legal-btn.active {
    background-color: #e74c3c;
}

.controls {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

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

.control-group label {
    font-size: 14px;
    color: #ecf0f1;
}

.control-group input,
.control-group select {
    padding: 6px 10px;
    border: 1px solid #34495e;
    border-radius: 4px;
    background-color: #34495e;
    color: #ecf0f1;
    font-size: 14px;
}

.control-group input:focus,
.control-group select:focus {
    outline: none;
    border-color: #3498db;
}

button {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    background-color: #3498db;
    color: white;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover:not(:disabled) {
    background-color: #2980b9;
}

button:disabled {
    background-color: #7f8c8d;
    cursor: not-allowed;
}

#status-message {
    font-size: 14px;
    color: #e74c3c;
    margin-left: 10px;
}

#status-message.success {
    color: #2ecc71;
}

#status-message.loading {
    color: #f39c12;
}

#main-content {
    flex: 1;
    display: flex;
    flex-direction: row;
    overflow: hidden;
    min-height: 0;
}

/* Parameter Sidebar */
#parameter-sidebar {
    width: 180px;
    background: #2c3e50;
    border-right: 1px solid #34495e;
    padding: 15px;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow-y: auto;
}

#parameter-sidebar h3 {
    font-size: 14px;
    color: #3498db;
    margin-bottom: 12px;
    text-align: center;
    padding-bottom: 10px;
    border-bottom: 1px solid #34495e;
}

/* Parameter Section (Collapsible) */
.param-section {
    margin-bottom: 10px;
}

.param-section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: #1a3a5c;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid #2471a3;
}

.param-section-header:hover {
    background: #1e4a6e;
}

.param-section-header input[type="radio"] {
    width: 16px;
    height: 16px;
    accent-color: #3498db;
    cursor: pointer;
    margin: 0;
}

.param-section-header label {
    flex: 1;
    font-size: 14px;
    font-weight: 600;
    color: #ecf0f1;
    cursor: pointer;
}

.section-arrow {
    font-size: 10px;
    color: #7f8c8d;
    transition: transform 0.2s;
}

.param-section.collapsed .section-arrow {
    transform: rotate(-90deg);
}

.param-section-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px 0 0 0;
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.param-section.collapsed .param-section-content {
    max-height: 0;
    padding: 0;
}

.param-btn {
    padding: 8px 12px;
    background: transparent;
    border: none;
    border-left: 3px solid transparent;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    font-size: 13px;
    color: #bdc3c7;
}

.param-btn:hover:not(:disabled) {
    background: rgba(52, 152, 219, 0.1);
    border-left-color: #3498db;
    color: #ecf0f1;
}

.param-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    color: #7f8c8d;
}

.param-btn.active {
    background: rgba(52, 152, 219, 0.2);
    border-left-color: #3498db;
    color: #3498db;
    font-weight: 600;
}

.param-btn.loaded {
    background: rgba(46, 204, 113, 0.15);
    border-left-color: #2ecc71;
    color: #2ecc71;
}

.param-btn-wrapper {
    display: flex;
    align-items: center;
    position: relative;
}

.param-btn-wrapper .param-btn {
    flex: 1;
    border-radius: 0;
}


/* Active Layers Panel */
#active-layers-panel {
    background-color: #1e2a36;
    border-top: 1px solid #34495e;
    padding: 10px 20px;
    max-height: 220px;
    overflow-y: auto;
    flex-shrink: 0;
}

#active-layers-panel.hidden {
    display: none;
}

.active-layers-header {
    font-size: 13px;
    font-weight: bold;
    color: #3498db;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.active-layers-header span {
    color: #7f8c8d;
    font-weight: normal;
    font-size: 11px;
}

.active-layers-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.active-layer-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #243342;
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid #34495e;
}

.active-layer-item:hover {
    border-color: #3498db;
}

.layer-visibility-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #3498db;
    flex-shrink: 0;
}

.layer-info {
    display: flex;
    flex-direction: column;
    min-width: 140px;
    gap: 2px;
}

.layer-name {
    font-size: 13px;
    color: #ecf0f1;
    font-weight: 500;
    white-space: nowrap;
}

.layer-units {
    font-size: 10px;
    color: #7f8c8d;
}

.layer-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    flex-wrap: wrap;
}

.layer-control-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.layer-control-group label {
    font-size: 11px;
    color: #95a5a6;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.layer-control-group select,
.layer-control-group input[type="number"] {
    padding: 4px 8px;
    background: #34495e;
    border: 1px solid #2c3e50;
    border-radius: 4px;
    color: #ecf0f1;
    font-size: 12px;
    cursor: pointer;
}

.layer-control-group input[type="number"] {
    width: 70px;
    text-align: center;
}

.layer-control-group select:focus,
.layer-control-group input:focus {
    border-color: #3498db;
    outline: none;
}

.layer-render-toggle {
    display: flex;
    gap: 4px;
}

.render-btn {
    padding: 4px 10px;
    font-size: 11px;
    background: #34495e;
    border: 1px solid #2c3e50;
    color: #95a5a6;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.render-btn:hover {
    border-color: #3498db;
    color: #ecf0f1;
}

.render-btn.active {
    background: #3498db;
    border-color: #3498db;
    color: #fff;
}

.layer-remove-btn {
    width: 26px;
    height: 26px;
    padding: 0;
    background: transparent;
    border: 1px solid #e74c3c;
    color: #e74c3c;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.layer-remove-btn:hover {
    background: #e74c3c;
    color: #fff;
}

/* Layer Colorbar */
.layer-colorbar {
    display: flex;
    align-items: center;
    gap: 6px;
}

.colorbar-container {
    display: flex;
    align-items: center;
    gap: 4px;
}

.colorbar-min,
.colorbar-max {
    font-size: 10px;
    color: #95a5a6;
    min-width: 35px;
    text-align: center;
}

.colorbar-min { text-align: right; }
.colorbar-max { text-align: left; }

.colorbar-gradient {
    width: 120px;
    height: 14px;
    border-radius: 3px;
    border: 1px solid #34495e;
}

/* Colormap gradients */
.colorbar-gradient.jet {
    background: linear-gradient(to right,
        rgb(0, 0, 128), rgb(0, 0, 255), rgb(0, 128, 255),
        rgb(0, 255, 255), rgb(0, 255, 128), rgb(128, 255, 0),
        rgb(255, 255, 0), rgb(255, 128, 0), rgb(255, 0, 0), rgb(128, 0, 0));
}

.colorbar-gradient.viridis {
    background: linear-gradient(to right,
        rgb(68, 1, 84), rgb(71, 44, 122), rgb(59, 81, 139),
        rgb(44, 113, 142), rgb(33, 144, 141), rgb(39, 173, 129),
        rgb(92, 200, 99), rgb(170, 220, 50), rgb(253, 231, 37));
}

.colorbar-gradient.plasma {
    background: linear-gradient(to right,
        rgb(13, 8, 135), rgb(75, 3, 161), rgb(125, 3, 168),
        rgb(168, 34, 150), rgb(203, 70, 121), rgb(229, 107, 93),
        rgb(248, 148, 65), rgb(253, 195, 40), rgb(240, 249, 33));
}

.colorbar-gradient.seismic {
    background: linear-gradient(to right,
        rgb(0, 0, 76), rgb(0, 0, 146), rgb(0, 112, 221),
        rgb(137, 206, 250), rgb(255, 255, 255), rgb(255, 198, 198),
        rgb(238, 78, 77), rgb(175, 17, 17), rgb(103, 0, 0));
}

.colorbar-gradient.cividis {
    background: linear-gradient(to right,
        rgb(0, 32, 77), rgb(0, 58, 100), rgb(52, 77, 107),
        rgb(88, 95, 107), rgb(122, 112, 100), rgb(158, 130, 83),
        rgb(193, 150, 59), rgb(225, 175, 32), rgb(253, 204, 13));
}

.colorbar-gradient.greys {
    background: linear-gradient(to right,
        rgb(0, 0, 0), rgb(64, 64, 64), rgb(128, 128, 128),
        rgb(191, 191, 191), rgb(255, 255, 255));
}

.colorbar-gradient.hot {
    background: linear-gradient(to right,
        rgb(255, 255, 255), rgb(255, 255, 128), rgb(255, 255, 0),
        rgb(255, 128, 0), rgb(255, 0, 0), rgb(128, 0, 0), rgb(0, 0, 0));
}

.colorbar-gradient.cool {
    background: linear-gradient(to right,
        rgb(255, 0, 255), rgb(191, 64, 255), rgb(128, 128, 255),
        rgb(64, 191, 255), rgb(0, 255, 255));
}

.colorbar-gradient.blues {
    background: linear-gradient(to right,
        rgb(247, 251, 255), rgb(198, 219, 239), rgb(158, 202, 225),
        rgb(107, 174, 214), rgb(66, 146, 198), rgb(33, 113, 181), rgb(8, 69, 148));
}

.colorbar-gradient.reds {
    background: linear-gradient(to right,
        rgb(255, 245, 240), rgb(254, 224, 210), rgb(252, 187, 161),
        rgb(252, 146, 114), rgb(251, 106, 74), rgb(239, 59, 44),
        rgb(203, 24, 29), rgb(153, 0, 13));
}

.colorbar-gradient.greens {
    background: linear-gradient(to right,
        rgb(247, 252, 245), rgb(199, 233, 192), rgb(161, 217, 155),
        rgb(116, 196, 118), rgb(65, 171, 93), rgb(35, 139, 69), rgb(0, 90, 50));
}

.colorbar-gradient.ylorrd {
    background: linear-gradient(to right,
        rgb(255, 255, 204), rgb(255, 237, 160), rgb(254, 217, 118),
        rgb(254, 178, 76), rgb(253, 141, 60), rgb(252, 78, 42),
        rgb(227, 26, 28), rgb(177, 0, 38));
}

.colorbar-gradient.bupu {
    background: linear-gradient(to right,
        rgb(247, 252, 253), rgb(224, 236, 244), rgb(191, 211, 230),
        rgb(158, 188, 218), rgb(140, 150, 198), rgb(140, 107, 177),
        rgb(136, 65, 157), rgb(110, 1, 107));
}

.colorbar-gradient.terrain {
    background: linear-gradient(to right,
        rgb(51, 51, 153), rgb(68, 119, 170), rgb(119, 187, 204),
        rgb(153, 221, 187), rgb(187, 238, 153), rgb(221, 255, 119),
        rgb(255, 238, 153), rgb(238, 204, 136), rgb(204, 153, 102),
        rgb(153, 102, 68), rgb(255, 255, 255));
}

.no-layers-message {
    font-size: 12px;
    color: #7f8c8d;
    font-style: italic;
    padding: 10px 0;
}

/* Layer Opacity Control */
.layer-opacity-group {
    min-width: 140px;
}

.layer-opacity {
    width: 70px;
    height: 6px;
    cursor: pointer;
    accent-color: #3498db;
}

.layer-opacity-value {
    font-size: 11px;
    color: #bdc3c7;
    min-width: 35px;
    text-align: right;
}

/* Layer Thickness Control (contour mode) */
.layer-thickness-group {
    min-width: 110px;
}

.layer-thickness-group.hidden {
    display: none;
}

.layer-interval-group {
    min-width: 80px;
}

.layer-interval-group.hidden {
    display: none;
}

.layer-labels-group.hidden {
    display: none;
}

.layer-labels-checkbox {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: #95a5a6;
    cursor: pointer;
}

.layer-labels-checkbox input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: #3498db;
    cursor: pointer;
}

.layer-label-options {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: 8px;
}

.layer-label-options.hidden {
    display: none;
}

.layer-label-options span {
    font-size: 10px;
    color: #7f8c8d;
}

.layer-label-options input[type="number"] {
    width: 50px;
    padding: 3px 6px;
    background: #34495e;
    border: 1px solid #2c3e50;
    border-radius: 4px;
    color: #ecf0f1;
    font-size: 11px;
    text-align: center;
}

.layer-label-options input[type="color"] {
    width: 28px;
    height: 22px;
    padding: 0;
    border: 1px solid #3498db;
    border-radius: 3px;
    background: transparent;
    cursor: pointer;
}

.layer-interval {
    width: 60px;
    padding: 4px 6px;
    background: #34495e;
    border: 1px solid #2c3e50;
    border-radius: 4px;
    color: #ecf0f1;
    font-size: 12px;
    text-align: center;
}

.layer-interval:focus {
    border-color: #3498db;
    outline: none;
}

.layer-thickness {
    width: 60px;
    height: 6px;
    cursor: pointer;
    accent-color: #e67e22;
}

.layer-thickness-value {
    font-size: 11px;
    color: #bdc3c7;
    min-width: 20px;
    text-align: right;
}

#map-container {
    flex: 1;
    position: relative;
    background-color: #34495e;
    min-height: 500px;
}

#map {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

/* Cursor Value Display */
.cursor-value {
    position: absolute;
    bottom: 30px;
    left: 20px;
    background: rgba(44, 62, 80, 0.95);
    padding: 8px 12px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    font-size: 13px;
    display: none;
    border: 1px solid #3498db;
    color: #ecf0f1;
}

.cursor-value.show {
    display: block;
}

/* Dropdown Menu Styles */
.dropdown-container {
    position: relative;
    display: inline-block;
}

.dropdown-btn {
    padding: 8px 16px;
    background: #34495e;
    border: 1px solid #3498db;
    color: #3498db;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.dropdown-btn:hover {
    background: #3d566e;
}

.dropdown-btn.active {
    background: #3498db;
    color: #1a1a1a;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 140px;
    background: #2c3e50;
    border: 1px solid #3498db;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    z-index: 1000;
    margin-top: 4px;
    padding: 6px 0;
}

.dropdown-content.show {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    color: #ecf0f1;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.15s;
}

.dropdown-item:hover {
    background: #34495e;
}

.dropdown-item input[type="radio"] {
    width: 14px;
    height: 14px;
    accent-color: #3498db;
    cursor: pointer;
}

/* Overlay Dropdown Styles */
.overlay-dropdown {
    min-width: 220px;
    padding: 0;
    max-height: 400px;
    overflow-y: auto;
}

.overlay-item {
    border-bottom: 1px solid #34495e;
}

.overlay-item:last-child {
    border-bottom: none;
}

.overlay-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
}

.overlay-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ecf0f1;
    font-size: 13px;
    cursor: pointer;
}

.overlay-checkbox input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: #3498db;
    cursor: pointer;
}

.overlay-settings-btn {
    background: transparent;
    border: 1px solid #3498db;
    color: #3498db;
    width: 22px;
    height: 22px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    padding: 0;
}

.overlay-settings-btn:hover {
    background: #3498db;
    color: #1a1a1a;
}

.overlay-settings-btn.active {
    background: #3498db;
    color: #1a1a1a;
}

.overlay-settings {
    background: #34495e;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.overlay-settings.hidden {
    display: none;
}

.setting-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: #bdc3c7;
}

.setting-row span:first-child {
    min-width: 50px;
}

.setting-row input[type="range"] {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: #2c3e50;
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.setting-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    background: #3498db;
    border-radius: 50%;
    cursor: pointer;
}

.setting-row input[type="color"] {
    width: 28px;
    height: 20px;
    padding: 0;
    border: 1px solid #3498db;
    border-radius: 3px;
    background: transparent;
    cursor: pointer;
}

.setting-value {
    min-width: 35px;
    text-align: right;
    color: #2ecc71;
}

.setting-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 11px;
    color: #bdc3c7;
}

.setting-checkbox input[type="checkbox"] {
    width: 14px;
    height: 14px;
    cursor: pointer;
    accent-color: #3498db;
}

/* Grid labels on map */
.grid-label {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

/* Options Dropdown Styles */
.options-dropdown {
    min-width: 180px;
    padding: 8px 12px;
}

.options-item {
    margin-bottom: 8px;
}

.options-item:last-child {
    margin-bottom: 0;
}

.options-item .setting-row span {
    min-width: 80px;
}

.options-item input[type="number"] {
    width: 70px;
    padding: 4px 8px;
    background: #34495e;
    border: 1px solid #3498db;
    border-radius: 4px;
    color: #ecf0f1;
    font-size: 0.85rem;
    text-align: center;
}

.options-item input[type="number"]:focus {
    outline: none;
    box-shadow: 0 0 6px rgba(52, 152, 219, 0.4);
}

.options-divider {
    border-top: 1px solid #34495e;
    padding-top: 8px;
    margin-top: 4px;
}

.options-btn {
    width: 100%;
    padding: 8px 12px;
    background: #34495e;
    border: 1px solid #3498db;
    color: #3498db;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.options-btn:hover {
    background: #3498db;
    color: #1a1a1a;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: #2c3e50;
    border: 1px solid #3498db;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid #34495e;
}

.modal-header h3 {
    color: #3498db;
    font-size: 1.1rem;
    margin: 0;
}

.modal-close {
    background: transparent;
    border: none;
    color: #888;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}

.modal-close:hover {
    color: #e74c3c;
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
}

/* Marker Add Section */
.marker-add-section {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #34495e;
}

.marker-add-section h4,
.marker-list-section h4 {
    color: #3498db;
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.marker-input-row {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.marker-input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.marker-input-group label {
    font-size: 0.8rem;
    color: #888;
}

.marker-input-group input[type="number"],
.marker-input-group input[type="text"] {
    padding: 8px 10px;
    background: #34495e;
    border: 1px solid #2c3e50;
    border-radius: 4px;
    color: #ecf0f1;
    font-size: 0.9rem;
}

.marker-input-group input[type="number"]:focus,
.marker-input-group input[type="text"]:focus {
    border-color: #3498db;
    outline: none;
}

.marker-input-group input[type="color"] {
    width: 100%;
    height: 32px;
    padding: 2px;
    background: #34495e;
    border: 1px solid #2c3e50;
    border-radius: 4px;
    cursor: pointer;
}

.marker-input-group input[type="range"] {
    flex: 1;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: #34495e;
    border-radius: 3px;
    cursor: pointer;
}

.marker-input-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: #3498db;
    border-radius: 50%;
    cursor: pointer;
}

.marker-input-group span#markerSizeValue {
    min-width: 24px;
    text-align: center;
    color: #2ecc71;
    font-size: 0.85rem;
}

.marker-input-row .marker-input-group:has(input[type="range"]) {
    flex-direction: row;
    align-items: center;
    gap: 8px;
}

.marker-input-row .marker-input-group:has(input[type="range"]) label {
    min-width: 35px;
}

.primary-btn {
    width: 100%;
    padding: 10px;
    background: #3498db;
    border: none;
    border-radius: 4px;
    color: #fff;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}

.primary-btn:hover {
    background: #2980b9;
}

/* Marker List Section */
.marker-list-section h4 span {
    color: #2ecc71;
    font-weight: normal;
}

.marker-list-controls {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.small-btn {
    padding: 6px 12px;
    background: #34495e;
    border: 1px solid #2c3e50;
    color: #ccc;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s;
}

.small-btn:hover {
    background: #2c3e50;
    color: #fff;
}

.small-btn.danger {
    border-color: #e74c3c;
    color: #e74c3c;
}

.small-btn.danger:hover {
    background: #e74c3c;
    color: #fff;
}

.marker-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #34495e;
    border-radius: 6px;
    background: #1a1a1a;
}

.marker-list .placeholder {
    padding: 20px;
    text-align: center;
    color: #666;
    font-style: italic;
    font-size: 0.85rem;
}

.marker-list-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-bottom: 1px solid #34495e;
    transition: background 0.15s;
}

.marker-list-item:last-child {
    border-bottom: none;
}

.marker-list-item:hover {
    background: #2c3e50;
}

.marker-item-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid #fff;
    flex-shrink: 0;
}

.marker-item-info {
    flex: 1;
    min-width: 0;
}

.marker-item-label {
    display: block;
    font-size: 0.9rem;
    color: #ecf0f1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.marker-item-coords {
    display: block;
    font-size: 0.75rem;
    color: #888;
}

.marker-item-actions {
    display: flex;
    gap: 4px;
}

.marker-action-btn {
    width: 28px;
    height: 28px;
    padding: 0;
    background: #34495e;
    border: 1px solid #2c3e50;
    color: #ccc;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.marker-action-btn:hover {
    background: #2c3e50;
    color: #fff;
}

.marker-action-btn.goto:hover {
    border-color: #3498db;
    color: #3498db;
}

.marker-action-btn.toggle.hidden-marker {
    opacity: 0.5;
}

.marker-action-btn.delete:hover {
    border-color: #e74c3c;
    color: #e74c3c;
}

/* Leaflet popup customization */
.leaflet-popup-content-wrapper {
    background-color: #2c3e50;
    color: #ecf0f1;
}

.leaflet-popup-content {
    font-size: 13px;
    line-height: 1.6;
}

.leaflet-popup-tip {
    background-color: #2c3e50;
}

/* Responsive design */
@media (max-width: 1024px) {
    header h1 {
        font-size: 20px;
    }

    .controls {
        font-size: 12px;
    }
}

@media (max-width: 768px) {
    #parameter-sidebar {
        width: 160px;
        padding: 10px;
    }

    .param-btn {
        padding: 6px 10px;
        font-size: 12px;
    }

    .param-section-header label {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    #main-content {
        flex-direction: column;
    }

    #parameter-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #34495e;
        max-height: 200px;
        overflow-y: auto;
    }

    #parameter-sidebar h3 {
        display: none;
    }

    .param-section-content {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 4px;
    }

    .param-btn {
        flex: 1 1 calc(50% - 4px);
        min-width: 100px;
        border-left: none;
        border-bottom: 2px solid transparent;
        text-align: center;
    }

    .param-btn.active {
        border-left: none;
        border-bottom-color: #3498db;
    }
}

/* Legal Modal Styles */
.legal-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    overflow-y: auto;
    padding: 20px;
}

.legal-modal.hidden {
    display: none !important;
}

.legal-modal-content {
    background-color: #2c3e50;
    border-radius: 8px;
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.legal-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 2px solid #34495e;
}

.legal-modal-header h2 {
    color: #3498db;
    font-size: 22px;
    margin: 0;
}

.legal-close-btn {
    background: none;
    border: none;
    color: #ecf0f1;
    font-size: 28px;
    cursor: pointer;
    padding: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s;
}

.legal-close-btn:hover {
    color: #e74c3c;
}

.legal-modal-body {
    padding: 25px;
    overflow-y: auto;
    color: #ecf0f1;
}

.legal-section {
    margin-bottom: 25px;
}

.legal-section h3 {
    color: #3498db;
    font-size: 16px;
    margin-bottom: 10px;
    border-bottom: 1px solid #34495e;
    padding-bottom: 6px;
}

.legal-section p {
    margin-bottom: 10px;
    line-height: 1.6;
    font-size: 14px;
}

.legal-section ul {
    margin-left: 20px;
    margin-bottom: 10px;
}

.legal-section li {
    margin-bottom: 6px;
    line-height: 1.5;
    font-size: 14px;
}

.legal-section a {
    color: #3498db;
    text-decoration: none;
}

.legal-section a:hover {
    text-decoration: underline;
}

.warning-box {
    background-color: #e67e22;
    border-left: 4px solid #d35400;
    padding: 15px;
    margin: 15px 0;
    border-radius: 4px;
}

.warning-box p {
    margin: 0;
    color: #ffffff;
}

.warning-box strong {
    font-size: 16px;
}

.legal-footer {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid #34495e;
    text-align: center;
    color: #95a5a6;
    font-size: 14px;
}

/* Loop Bar Styles */
#loop-bar {
    background-color: #243342;
    border-bottom: 1px solid #34495e;
    padding: 8px 15px;
}

.loop-controls {
    display: flex;
    align-items: center;
}

.loop-label {
    font-size: 13px;
    font-weight: bold;
    color: #3498db;
    margin-right: 12px;
    text-transform: uppercase;
}

.loop-setup {
    display: flex;
    align-items: center;
    gap: 12px;
}

.loop-setup.hidden {
    display: none;
}

.loop-datetime-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.loop-datetime-group label,
.loop-options-group label {
    font-size: 11px;
    color: #95a5a6;
    margin-right: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.loop-datetime-group input[type="date"] {
    width: 130px;
    padding: 5px 6px;
    background: #34495e;
    border: 1px solid #4a6278;
    border-radius: 4px;
    color: #ecf0f1;
    font-size: 12px;
}

.loop-datetime-group select {
    padding: 5px 4px;
    background: #34495e;
    border: 1px solid #4a6278;
    border-radius: 4px;
    color: #ecf0f1;
    font-size: 12px;
    min-width: 50px;
}

.loop-options-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.loop-options-group select {
    padding: 5px 6px;
    background: #34495e;
    border: 1px solid #4a6278;
    border-radius: 4px;
    color: #ecf0f1;
    font-size: 12px;
    min-width: 55px;
}

.loop-options-group input[type="number"] {
    width: 55px;
    padding: 5px 6px;
    background: #34495e;
    border: 1px solid #4a6278;
    border-radius: 4px;
    color: #ecf0f1;
    font-size: 12px;
    text-align: center;
}

.loop-datetime-group input:focus,
.loop-datetime-group select:focus,
.loop-options-group select:focus,
.loop-options-group input:focus {
    border-color: #3498db;
    outline: none;
}

.loop-validation {
    font-size: 11px;
    color: #e74c3c;
    min-width: 100px;
    text-align: center;
}

.loop-validation.success {
    color: #2ecc71;
}

.loop-btn {
    padding: 6px 14px;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.loop-btn.primary {
    background: #3498db;
    color: #fff;
}

.loop-btn.primary:hover:not(:disabled) {
    background: #2980b9;
}

.loop-btn.primary:disabled {
    background: #7f8c8d;
    cursor: not-allowed;
}

.loop-btn.danger {
    background: #e74c3c;
    color: #fff;
}

.loop-btn.danger:hover {
    background: #c0392b;
}

/* Loop Player Controls */
.loop-player {
    display: flex;
    align-items: center;
    gap: 8px;
}

.loop-player.hidden {
    display: none;
}

.loop-slider-container {
    flex: 1;
    min-width: 200px;
    max-width: 400px;
}

.loop-slider-container input[type="range"] {
    width: 100%;
    height: 6px;
    background: #34495e;
    border-radius: 3px;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.loop-slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: #3498db;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.2s;
}

.loop-slider-container input[type="range"]::-webkit-slider-thumb:hover {
    background: #2980b9;
}

.loop-slider-container input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: #3498db;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.playback-btn {
    width: 30px;
    height: 30px;
    border: 1px solid #4a6278;
    background: #34495e;
    color: #ecf0f1;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.2s;
}

.playback-btn:hover {
    background: #3498db;
    color: #fff;
}

.playback-btn.play {
    width: 36px;
    background: #27ae60;
    border-color: #27ae60;
    color: #fff;
}

.playback-btn.play:hover {
    background: #219a52;
}

.playback-btn.play.playing {
    background: #e67e22;
    border-color: #e67e22;
}

.playback-btn.play.playing:hover {
    background: #d35400;
}

.loop-frame-info {
    font-size: 12px;
    color: #3498db;
    font-weight: 500;
    white-space: nowrap;
}

.loop-time-info {
    font-size: 12px;
    color: #ecf0f1;
    min-width: 140px;
}

/* HRRR-specific: Mode toggle */
.mode-toggle {
    display: flex;
    gap: 2px;
    background: #1a1a2e;
    border-radius: 4px;
    padding: 2px;
}

.mode-option {
    font-size: 12px;
    color: #ecf0f1;
    padding: 4px 10px;
    border-radius: 3px;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
}

.mode-option:hover {
    background: #34495e;
}

.mode-option input[type="radio"] {
    display: none;
}

.mode-option:has(input:checked) {
    background: #3498db;
    color: white;
    font-weight: 600;
}

/* Draw Bounds button */
.draw-bounds-btn {
    background-color: #e67e22 !important;
    font-size: 12px !important;
    padding: 5px 12px !important;
}

.draw-bounds-btn:hover {
    background-color: #d35400 !important;
}

.draw-bounds-btn.active {
    background-color: #c0392b !important;
    animation: pulse-bounds 1.5s infinite;
}

@keyframes pulse-bounds {
    0%, 100% { box-shadow: 0 0 0 0 rgba(192, 57, 43, 0.7); }
    50% { box-shadow: 0 0 0 6px rgba(192, 57, 43, 0); }
}

.bounds-status {
    font-size: 11px;
    color: #2ecc71;
    white-space: nowrap;
}

/* Forecast controls */
.forecast-controls, .analysis-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.forecast-controls.hidden, .analysis-controls.hidden {
    display: none;
}

/* Map drawing crosshair cursor */
.leaflet-container.drawing-mode {
    cursor: crosshair !important;
}

/* Bounds rectangle styling */
.bounds-rectangle {
    stroke: #e67e22;
    stroke-width: 2;
    fill: #e67e22;
    fill-opacity: 0.1;
    stroke-dasharray: 8, 4;
}