:root {
    --primary-color: #3B82F6;
    --secondary-color: #6366F1;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --danger-color: #EF4444;
    --dark-color: #1F2937;
    --light-color: #F3F4F6;
    --border-color: #E5E7EB;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --sidebar-width: 300px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--light-color);
    color: var(--text-primary);
    line-height: 1.6;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.header {
    text-align: center;
    padding: 20px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 5px;
}

.header p {
    font-size: 1rem;
    opacity: 0.9;
}

.main-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.sidebar {
    width: var(--sidebar-width);
    background: white;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tree-header {
    padding: 15px;
    border-bottom: 2px solid var(--border-color);
    background: var(--light-color);
}

.tree-header h3 {
    font-size: 1.1rem;
    color: var(--dark-color);
    font-weight: 600;
}

.tree-container {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.tree-footer {
    flex-shrink: 0;
    padding: 10px 12px;
    background: #F8FAFC;
}

.tree-node {
    margin: 5px 0;
}

.tree-item {
    display: flex;
    align-items: center;
    padding: 8px 10px;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.2s ease;
    user-select: none;
}

.tree-checkbox {
    margin-right: 8px;
    width: 16px;
    height: 16px;
    cursor: pointer;
    flex-shrink: 0;
}

.tree-checkbox.half-checked {
    opacity: 0.6;
}

.tree-checkbox.half-checked::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 2px;
    background-color: currentColor;
    margin-left: -12px;
    margin-top: 7px;
}

.tree-item:hover {
    background: var(--light-color);
}

.tree-item.root-item {
    font-weight: 600;
    background: var(--light-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 5px;
}

.tree-item.root-item:hover {
    background: var(--light-color);
}

.tree-item.selected {
    background: var(--primary-color);
    color: white;
}

.tree-toggle {
    margin-right: 5px;
    width: 16px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.tree-toggle.expanded::before {
    content: '▼';
}

.tree-toggle.collapsed::before {
    content: '▶';
}

.tree-toggle.empty {
    opacity: 0;
}

.tree-icon {
    margin-right: 8px;
    font-size: 1rem;
}

.tree-label {
    flex: 1;
    font-size: 0.9rem;
}

.tree-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    border: 1px solid var(--border-color);
    margin-left: 8px;
}

.tree-children {
    margin-left: 20px;
}

.tree-children.collapsed {
    display: none;
}

.map-container {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.results-container {
    background: white;
    border-top: 2px solid var(--border-color);
    max-height: 300px;
    display: flex;
    flex-direction: column;
}

.results-table-wrapper {
    overflow: auto;
    flex: 1;
    background: white;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.results-table thead {
    position: sticky;
    top: 0;
    background: white;
    z-index: 1;
}

.results-table th {
    text-align: left;
    padding: 10px 15px;
    font-weight: 600;
    color: var(--dark-color);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.results-table td {
    padding: 10px 15px;
    border-bottom: 1px solid var(--border-color);
}

.results-table tbody tr {
    cursor: pointer;
    transition: background 0.2s;
}

.results-table tbody tr:hover {
    background: var(--light-color);
}

.results-table tbody tr.highlighted {
    background: rgba(59, 130, 246, 0.2);
}

.results-table tbody tr:last-child td {
    border-bottom: none;
}

.results-table .select-col {
    width: 36px;
    text-align: center;
    padding: 10px 6px;
}

.results-table .select-col input[type="checkbox"] {
    cursor: pointer;
    width: 14px;
    height: 14px;
}

.map-controls {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 1000;
    background: white;
    padding: 8px 12px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.control-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
}

.control-group select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    background: white;
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.control-group select:hover {
    border-color: var(--primary-color);
}

.control-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.control-btn {
    padding: 8px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s ease;
}

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

.control-btn:active {
    transform: scale(0.98);
}

.control-btn.active {
    background: var(--danger-color);
}

.control-btn:disabled,
.control-btn.disabled {
    background: var(--border-color);
    color: var(--text-secondary);
    cursor: not-allowed;
    box-shadow: none;
}

.refresh-tle-btn {
    background: #0ea5e9;
}

.refresh-tle-btn:hover {
    background: #0284c7;
}

.refresh-tle-btn:active {
    transform: scale(0.97);
}

.tle-status-label {
    display: block;
    padding: 7px 8px;
    border-radius: 6px;
    background: transparent;
    color: #1E40AF;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Courier New', monospace;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0;
    line-height: 1.35;
    white-space: nowrap;
}

.clear-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    margin-left: 4px;
}

.clear-btn:hover {
    background: var(--danger-color);
    border-color: var(--danger-color);
}

.clear-btn:active {
    transform: scale(0.95);
}

.export-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.export-btn:hover:not(:disabled) {
    background: #059669;
}

.export-btn:active:not(:disabled) {
    transform: scale(0.98);
}

.export-btn:disabled {
    background: var(--border-color);
    color: var(--text-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

.filter-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    background: #7c3aed;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.filter-btn:hover:not(:disabled) {
    background: #6d28d9;
}

.filter-btn:active:not(:disabled) {
    transform: scale(0.98);
}

.filter-btn:disabled {
    background: var(--border-color);
    color: var(--text-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

.auto-select-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    background: #d97706;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.auto-select-btn:hover:not(:disabled) {
    background: #b45309;
}

.auto-select-btn:active:not(:disabled) {
    transform: scale(0.98);
}

.auto-select-btn:disabled {
    background: var(--border-color);
    color: var(--text-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

.auto-select-dialog {
    min-width: 300px;
}

.info-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.info-btn:hover {
    background: #2563eb;
}

.info-btn:active {
    transform: scale(0.98);
}

.info-dialog {
    min-width: 340px;
}

.info-dialog-content {
    padding: 12px 0;
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.6;
}

.info-dialog-content a {
    color: var(--primary-color);
    word-break: break-all;
    text-decoration: none;
}

.info-dialog-content a:hover {
    text-decoration: underline;
}

.auto-select-select-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
}

.auto-select-label {
    font-size: 14px;
    color: #374151;
    white-space: nowrap;
}

.auto-select-select {
    flex: 1;
    padding: 7px 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    color: #374151;
    background: white;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
}

.auto-select-select:focus {
    border-color: #d97706;
    box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.15);
}

.auto-select-confirm-btn {
    background: #d97706 !important;
}

.auto-select-confirm-btn:hover {
    background: #b45309 !important;
}

.filter-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.filter-dialog {
    background: white;
    border-radius: 10px;
    padding: 24px 28px;
    min-width: 240px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.filter-dialog-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 18px;
}

.filter-dialog-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 22px;
}

.filter-dialog-option {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #374151;
    cursor: pointer;
    user-select: none;
}

.filter-dialog-option input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.filter-dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.filter-cancel-btn {
    padding: 7px 18px;
    background: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s;
}

.filter-cancel-btn:hover {
    background: #e5e7eb;
}

.filter-confirm-btn {
    padding: 7px 18px;
    background: #7c3aed;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s;
}

.filter-confirm-btn:hover {
    background: #6d28d9;
}

.coordinate-label {
    position: absolute;
    bottom: 10px;
    left: 10px;
    z-index: 1000;
    background: transparent;
    padding: 6px 12px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
    box-shadow: none;
    pointer-events: none;
    border: none;
}

.coordinate-label-over-table {
    position: absolute;
    bottom: 310px;
    left: 10px;
    z-index: 1001;
    background: transparent;
    padding: 6px 12px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
    box-shadow: none;
    pointer-events: none;
    border: none;
}

.solar-info-panel {
    position: absolute;
    top: 74px;
    right: 10px;
    z-index: 1000;
    min-width: 190px;
    padding: 10px 12px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.16);
    backdrop-filter: blur(8px);
}

.solar-info-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-color);
}

.solar-info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    color: #f59e0b;
}

.solar-info-text {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.zoom-controls {
    display: flex;
    flex-direction: row;
    gap: 4px;
    margin-right: 8px;
    padding-right: 12px;
    border-right: 1px solid var(--border-color);
}

.zoom-btn {
    width: 32px;
    height: 32px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: var(--text-primary);
}

.zoom-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.zoom-btn:active {
    transform: scale(0.95);
}

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

.loading {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .solar-info-panel {
        top: 126px;
        right: 8px;
        left: auto;
        min-width: 170px;
        padding: 8px 10px;
    }

    .header h1 {
        font-size: 1.8rem;
    }

    .header p {
        font-size: 0.9rem;
    }

    .sidebar {
        width: 250px;
    }

    .tree-label {
        font-size: 0.85rem;
    }
}


.controls {
    margin-bottom: 30px;
}

.stats-summary {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.stat-mini {
    background: white;
    padding: 20px 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
    min-width: 150px;
}

.stat-mini-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-mini-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.tab-btn {
    padding: 12px 24px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px 6px 0 0;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

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

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.tab-content {
    display: none;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.tab-content.active {
    display: block;
}

.tab-content h2 {
    margin-bottom: 20px;
    color: var(--dark-color);
}

.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

thead {
    background: var(--light-color);
}

th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

tr:hover {
    background: var(--light-color);
}

.color-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.color-box {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.tle-line {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    white-space: pre;
    background: var(--light-color);
    padding: 4px 8px;
    border-radius: 4px;
    margin: 2px 0;
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }

    .header p {
        font-size: 1rem;
    }

    .stats-summary {
        flex-direction: column;
    }

    .stat-mini {
        width: 100%;
    }

    .tabs {
        flex-direction: column;
    }

    .tab-btn {
        border-radius: 6px;
    }

    .tab-content {
        padding: 15px;
    }

    table {
        font-size: 0.9rem;
    }

    th, td {
        padding: 8px;
    }
}

/* Scan Strip Side Panel */
.strip-side-panel {
    position: absolute;
    right: 0;
    top: 56px;
    width: 260px;
    max-height: calc(100% - 66px);
    background: white;
    border-radius: 8px 0 0 8px;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.18);
    z-index: 1500;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.22s ease;
    pointer-events: auto;
    overflow: hidden;
}

.strip-side-panel.visible {
    transform: translateX(0);
}

.strip-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 12px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    background: var(--light-color);
}

.strip-panel-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--dark-color);
}

.strip-panel-close {
    background: none;
    border: none;
    font-size: 1.1rem;
    line-height: 1;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px 5px;
    border-radius: 3px;
    transition: color 0.15s;
}

.strip-panel-close:hover {
    color: var(--danger-color);
}

.strip-panel-list {
    overflow-y: auto;
    flex: 1;
}

.strip-panel-item {
    display: flex;
    flex-direction: column;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.15s;
    border-left: 3px solid transparent;
}

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

.strip-panel-item:hover {
    background: var(--light-color);
}

.strip-panel-item.active {
    background: rgba(59, 130, 246, 0.08);
    border-left-color: var(--primary-color);
}

.strip-panel-item-header {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 5px;
}

.strip-panel-swatch {
    width: 11px;
    height: 11px;
    border-radius: 2px;
    flex-shrink: 0;
    border: 1px solid rgba(0,0,0,0.15);
}

.strip-panel-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark-color);
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.strip-panel-active-badge {
    font-size: 0.7rem;
    background: var(--primary-color);
    color: white;
    border-radius: 3px;
    padding: 1px 5px;
    flex-shrink: 0;
    white-space: nowrap;
}

.strip-panel-meta {
    font-size: 0.77rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    line-height: 1.6;
}