#fsc-calculator {
    max-width: 900px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f9fafb;
    padding: 40px 20px;
}

#fsc-calculator * {
    box-sizing: border-box;
}

.fsc-container {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.fsc-title {
    font-size: 28px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 10px;
}

.fsc-subtitle {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 30px;
}

.fsc-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin: 30px 0;
    padding: 20px 0;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.fsc-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #475569;
    font-size: 14px;
}

.fsc-badge-icon {
    font-size: 20px;
    color: #1e40af;
    font-weight: 700;
}

.fsc-section {
    margin-bottom: 40px;
}

.fsc-label {
    font-size: 16px;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 16px;
    display: block;
}

.fsc-radio-group,
.fsc-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.fsc-radio-option,
.fsc-checkbox-item {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 12px;
    border-radius: 6px;
    border: 2px solid #e2e8f0;
    transition: all 0.2s;
}

.fsc-radio-option:hover,
.fsc-checkbox-item:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.fsc-radio-option input:checked + .fsc-option-label,
.fsc-checkbox-item input:checked + label {
    color: #1e40af;
    font-weight: 600;
}

.fsc-radio-option input:checked,
.fsc-checkbox-item input:checked {
    accent-color: #1e40af;
}

.fsc-option-label,
.fsc-checkbox-item label {
    flex: 1;
    cursor: pointer;
    color: #475569;
}

.fsc-option-description {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 4px;
}

.fsc-input,
.fsc-select {
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
    width: 100%;
}

.fsc-input:focus,
.fsc-select:focus {
    outline: none;
    border-color: #1e40af;
    background: #f0f7ff;
}

.fsc-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.fsc-button {
    padding: 14px 32px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
}

.fsc-button-primary {
    background: #1e40af;
    color: white;
}

.fsc-button-primary:hover {
    background: #1e3a8a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.fsc-button-secondary {
    background: #e2e8f0;
    color: #0f172a;
    margin-right: 12px;
}

.fsc-button-secondary:hover {
    background: #cbd5e1;
}

.fsc-hidden {
    display: none !important;
}

.fsc-results {
    background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
    color: white;
    padding: 40px;
    border-radius: 8px;
    margin-top: 30px;
}

.fsc-results-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
}

.fsc-result-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 24px;
    border-radius: 6px;
    margin-bottom: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.fsc-result-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
    margin-bottom: 8px;
}

.fsc-result-value {
    font-size: 32px;
    font-weight: 700;
}

.fsc-result-unit {
    font-size: 14px;
    opacity: 0.9;
    margin-top: 4px;
}

.fsc-result-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.fsc-step-indicator {
    display: flex;
    gap: 8px;
    margin-bottom: 30px;
}

.fsc-step {
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.fsc-step.active {
    background: #1e40af;
    color: white;
}

.fsc-step.inactive {
    background: #e2e8f0;
    color: #64748b;
}

.fsc-two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.fsc-feature-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.fsc-feature-header {
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.fsc-feature-header:hover {
    background: rgba(255, 255, 255, 0.15);
}

.fsc-feature-title {
    font-weight: 600;
    font-size: 15px;
}

.fsc-feature-toggle {
    font-size: 20px;
    transition: transform 0.2s;
}

.fsc-feature-toggle.open {
    transform: rotate(180deg);
}

.fsc-feature-content {
    padding: 0 16px 16px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    display: none;
}

.fsc-feature-content.open {
    display: block;
}

.fsc-feature-description {
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.95;
}

.fsc-cta-section {
    background: rgba(255, 255, 255, 0.1);
    padding: 24px;
    border-radius: 6px;
    margin-top: 24px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.fsc-cta-text {
    font-size: 14px;
    margin-bottom: 16px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    #fsc-calculator {
        padding: 20px 15px;
    }

    .fsc-container {
        padding: 20px;
    }

    .fsc-title {
        font-size: 22px;
    }

    .fsc-two-column {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .fsc-result-row {
        grid-template-columns: 1fr;
    }

    .fsc-results {
        padding: 24px;
    }

    .fsc-result-value {
        font-size: 24px;
    }

    .fsc-badges {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    #fsc-calculator {
        padding: 15px 10px;
    }

    .fsc-container {
        padding: 15px;
    }

    .fsc-button {
        padding: 12px 20px;
        font-size: 14px;
    }

    .fsc-title {
        font-size: 20px;
    }

    .fsc-subtitle {
        font-size: 12px;
    }
}