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

:root {
    --primary-color: #00c3ff;
    --secondary-color: #0077ff;
    --accent-color: #00ff9d;
    --dark-bg: #0a0e17;
    --card-bg: #131c2a;
    --text-primary: #ffffff;
    --text-secondary: #a0a7b8;
    --border-color: #2a3a5a;
    --temperature-color: #ff6b6b;
    --inclination-color: #4d9de0;
    --azimuth-color: #6bffa0;
    --success-color: #00ff9d;
    --error-color: #ff4d4d;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #0f1a2a 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
}

header h1 {
    font-size: 2.5rem;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    margin-bottom: 25px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 195, 255, 0.2);
}

.card h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
}

.card h2::before {
    content: "■";
    color: var(--accent-color);
    margin-right: 10px;
    font-size: 0.8em;
}

.upload-section .card {
    text-align: center;
}

.upload-area {
    margin: 20px 0;
}

.file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(0, 119, 255, 0.05);
}

.file-label:hover {
    border-color: var(--primary-color);
    background: rgba(0, 195, 255, 0.1);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.file-input {
    display: none;
}

.file-info {
    margin: 15px 0;
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    min-height: 20px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.file-info.success {
    color: var(--success-color);
    background-color: rgba(0, 255, 157, 0.1);
    border-left: 4px solid var(--success-color);
}

.file-info.error {
    color: var(--error-color);
    background-color: rgba(255, 77, 77, 0.1);
    border-left: 4px solid var(--error-color);
}

.primary-btn, .secondary-btn {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.primary-btn:hover, .secondary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 195, 255, 0.4);
}

.secondary-btn {
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
}

.preview-content {
    overflow-x: auto;
    max-height: 00px;
}

.preview-content table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.preview-content th,
.preview-content td {
    border: 1px solid var(--border-color);
    padding: 12px;
    text-align: left;
}

.preview-content th {
    background-color: rgba(0, 119, 255, 0.2);
    font-weight: bold;
}

.preview-content tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.05);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.legend-controls {
    margin: 20px 0;
    padding: 15px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}

.legend-controls h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
}

.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}

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

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
    margin-right: 15px;
}

.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: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.legend-label {
    font-size: 1rem;
}

.legend-label.temperature {
    color: var(--temperature-color);
}

.legend-label.inclination {
    color: var(--inclination-color);
}

.legend-label.azimuth {
    color: var(--azimuth-color);
}

.legend-label.gt {
    color: #ffa500; /* 橙色 */
}

.legend-label.bt {
    color: #ff69b4; /* 粉色 */
}

.scale-controls {
    margin: 20px 0;
    padding: 15px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}

.scale-group {
    display:inline;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    margin-right: 15px;
}

.scale-group:last-child {
    margin-bottom: 0;
}

.scale-group label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    min-width: 80px;
}

.scale-input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 4px;
    width: 80px;
}

.scale-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.chart-container {
    position: relative;
    margin-top: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 15px;
    overflow: hidden;
}

#dataChart {
    background: rgba(10, 15, 25, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    width: 100%;
    height: auto;
    cursor: crosshair;
}

.tooltip {
    position: absolute;
    background: rgba(10, 15, 25, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    pointer-events: none;
    display: none;
    z-index: 100;
    backdrop-filter: blur(5px);
    transition: opacity 0.2s ease;
    opacity: 0;
}

.tooltip.show {
    opacity: 1;
}

.tooltip h4 {
    color: var(--accent-color);
    margin: 0 0 5px 0;
    font-size: 0.9rem;
}

.tooltip p {
    margin: 2px 0;
    font-size: 0.85rem;
}

.tooltip .temp-value {
    color: var(--temperature-color);
}

.tooltip .inc-value {
    color: var(--inclination-color);
}

.tooltip .azu-value {
    color: var(--azimuth-color);
}

.legend-controls-bottom {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 15px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}

.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 0;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
    margin-right: 10px;
}

.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: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.legend-label {
    font-size: 0.9rem;
    white-space: nowrap;
}

.legend-label.temperature {
    color: var(--temperature-color);
}

.legend-label.inclination {
    color: var(--inclination-color);
}

.legend-label.azimuth {
    color: var(--azimuth-color);
}

.error {
    color: var(--error-color);
    background-color: rgba(255, 77, 77, 0.1);
    padding: 15px;
    border-radius: 6px;
    margin: 15px 0;
    border-left: 4px solid var(--error-color);
}

.success {
    color: var(--success-color);
    background-color: rgba(0, 255, 157, 0.1);
    padding: 15px;
    border-radius: 6px;
    margin: 15px 0;
    border-left: 4px solid var(--success-color);
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .card {
        padding: 20px;
    }
    
    .chart-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .scale-group {
        flex-wrap: wrap;
    }
    
    .legend-controls-bottom {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}