.calculator-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    background: white;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.calculator-title {
    text-align: center;
    color: #1e3a8a;
    margin-bottom: 0.5rem;
}

.calculator-subtitle {
    text-align: center;
    color: #4b5563;
    margin-bottom: 2rem;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-label {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.input-current {
    color: #6b7280;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.range-container {
    position: relative;
    height: 24px;
}

input[type="number"] {
    width: 100px;
    padding: 0.5rem;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

input[type="range"] {
    width: 100%;
    height: 4px;
    background: #e5e7eb;
    border-radius: 2px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: #3b82f6;
    border-radius: 50%;
    cursor: pointer;
}

.calculate-button {
    display: block;
    width: 100%;
    padding: 1rem;
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.calculate-button:hover {
    background: #2563eb;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.stat-card {
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    min-width: 200px;
}

.stat-card.blue {
    background-color: #f0f7ff;
    border-top: 3px solid #3b82f6;
}

.stat-card.green {
    background-color: #f0fff4;
    border-top: 3px solid #22c55e;
}

.stat-card.purple {
    background-color: #faf5ff;
    border-top: 3px solid #8b5cf6;
}

.stat-card-title {
    font-size: 1.1rem;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.stat-card-value {
    font-size: 2rem;
    font-weight: bold;
    line-height: 1.2;
}

.stat-card.blue .stat-card-value {
    color: #3b82f6;
}

.stat-card.green .stat-card-value {
    color: #22c55e;
}

.stat-card.purple .stat-card-value {
    color: #8b5cf6;
}

.detailed-analysis {
    margin-top: 3rem;
}

.detailed-analysis h3 {
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.analysis-card {
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.analysis-card-title {
    color: #4b5563;
    margin-bottom: 0.5rem;
}

.analysis-card-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: #1f2937;
    margin-top: 0.5rem;
}

#chart-container {
    margin-top: 2rem;
    height: 400px;
}