/* NAPSA Brand Colors */
:root {
    --napsa-blue: #4169E1;         /* Royal Blue for primary elements */
    --napsa-light-blue: #6384e7;   /* Lighter blue for hover states */
    --napsa-text: #333333;         /* Dark gray for text */
    --napsa-border: #E5E7EB;       /* Light gray for borders */
    --napsa-background: #F9FAFB;   /* Very light gray for background */
    --napsa-white: #FFFFFF;
}

body {
    background-color: var(--napsa-background);
    color: var(--napsa-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Main Title */
h2.calculator-title {
    color: var(--napsa-blue);
    font-size: 2.5rem;
    font-weight: 500;
    text-align: center;
    margin-bottom: 0.5rem;
}

.calculator-subtitle {
    color: #6B7280;
    text-align: center;
    font-size: 1rem;
    margin-bottom: 2rem;
}

/* Navigation Pills */
.nav-pills {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    background: var(--napsa-white);
    padding: 0.5rem;
    border-radius: 0.5rem;
}

.nav-pills .nav-link {
    color: var(--napsa-blue);
    background: transparent;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-pills .nav-link i {
    font-size: 1.25rem;
}

.nav-pills .nav-link.active {
    background-color: var(--napsa-blue);
    color: var(--napsa-white);
}

/* Calculator Cards */
.card {
    background: var(--napsa-white);
    border: 1px solid var(--napsa-border);
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card-header {
    background: var(--napsa-blue);
    color: var(--napsa-white);
    padding: 1.5rem;
    border-radius: 0.75rem 0.75rem 0 0;
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin: 0;
}

.card-header p {
    margin: 0.5rem 0 0;
    opacity: 0.8;
}

.card-body {
    padding: 1.5rem;
}

/* Form Controls */
.form-label {
    color: var(--napsa-text);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-control {
    border: 1px solid var(--napsa-border);
    border-radius: 0.5rem;
    padding: 0.75rem;
    font-size: 1rem;
    width: 100%;
    transition: all 0.2s;
}

.form-control:focus {
    border-color: var(--napsa-blue);
    box-shadow: 0 0 0 2px rgba(65, 105, 225, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: #9CA3AF;
}

.input-group {
    display: flex;
    align-items: center;
    border: 1px solid var(--napsa-border);
    border-radius: 0.5rem;
    overflow: hidden;
}

.input-group-text {
    background: var(--napsa-white);
    color: var(--napsa-text);
    padding: 0.75rem 1rem;
    border: none;
    border-right: 1px solid var(--napsa-border);
}

.input-group .form-control {
    border: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.btn i {
    font-size: 1.25rem;
}

.btn-primary {
    background-color: var(--napsa-blue);
    border: none;
    color: var(--napsa-white);
}

.btn-primary:hover {
    background-color: var(--napsa-light-blue);
}

/* Helper Text */
.form-text {
    color: #6B7280;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Results Section */
.result-card {
    background: var(--napsa-white);
    border: 1px solid var(--napsa-border);
    border-radius: 0.5rem;
    padding: 1.25rem;
}

.result-card .card-title {
    color: var(--napsa-text);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.result-card .card-text {
    color: var(--napsa-blue);
    font-size: 1.5rem;
    font-weight: 600;
}

/* Eligibility Status */
.eligibility-status {
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--napsa-border);
    margin-bottom: 1rem;
}

.eligibility-status.eligible {
    background-color: #F0FDF4;
    border-color: #86EFAC;
}

.eligibility-status.not-eligible {
    background-color: #FEF2F2;
    border-color: #FECACA;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-pills {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .card-body {
        padding: 1rem;
    }
}