body {
    font-family: 'Poppins', sans-serif;
    background-color: #f8f7f4;
    color: #333;
}

.widget {
    background-color: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(0, 0, 0, 0.07);
    border-radius: 2rem;
}

.chart-container {
    position: relative;
    width: 100%;
    height: 300px;
    max-height: 400px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .chart-container {
        height: 350px;
    }
}

.sticky-header {
    background-color: rgba(248, 247, 244, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.accent-color { 
    color: #007AFF; 
}

.accent-bg { 
    background-color: #007AFF; 
}

.calculator-input, .ai-input {
    background-color: rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    color: #1d1d1f;
    font-weight: 500;
    width: 100%;
    transition: border-color 0.3s, background-color 0.3s;
}

.calculator-input:focus, .ai-input:focus {
    outline: none;
    border-color: #007AFF;
    background-color: rgba(0, 122, 255, 0.08);
}

.calculator-output {
    font-size: 1.875rem;
    font-weight: 700;
    padding: 0.5rem 0;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: #e0e0e0;
    border-radius: 5px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #007AFF;
    cursor: pointer;
    border-radius: 50%;
}

#ai-analysis-output.prose {
    max-width: none;
    color: #333;
    line-height: 1.6;
}

#ai-analysis-output.prose h3 {
    color: #007AFF;
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid #e0e0e0;
}

#ai-analysis-output.prose h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
}

#ai-analysis-output.prose p {
    margin-bottom: 1rem;
}

#ai-analysis-output.prose ul,
#ai-analysis-output.prose ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

#ai-analysis-output.prose li {
    margin-bottom: 0.5rem;
}

#ai-analysis-output.prose strong {
    color: #1d1d1f;
    font-weight: 600;
}

.content-section {
    display: none;
}

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

header nav a.active {
    color: #007AFF;
    font-weight: 700;
}