/**
 * Multi-Platform Fee Calculator - Professional Styles
 * Version: 2.0
 * Supports Etsy and Amazon FBA calculators
 */

:root {
    --calc-primary-color: #5a9fd4;
    --calc-etsy-color: #f1641e;
    --calc-amazon-color: #ff9500;
    --calc-success-color: #48bb78;
    --calc-warning-color: #f59e0b;
    --calc-danger-color: #ef4444;
    --calc-info-color: #3b82f6;
    --calc-gray-50: #f9fafb;
    --calc-gray-100: #f3f4f6;
    --calc-gray-200: #e5e7eb;
    --calc-gray-300: #d1d5db;
    --calc-gray-400: #9ca3af;
    --calc-gray-500: #6b7280;
    --calc-gray-600: #4b5563;
    --calc-gray-700: #374151;
    --calc-gray-800: #1f2937;
    --calc-gray-900: #111827;
    --calc-border-radius: 8px;
    --calc-transition: all 0.2s ease;
}

/* Main Container */
.fee-calculator-container {
    background: white;
    border-radius: var(--calc-border-radius);
    overflow: hidden;
    margin-bottom: 40px;
}

.fee-calculator-container * {
    box-sizing: border-box;
}

/* Platform-specific styling */
.etsy-calculator {
    border: 2px solid var(--calc-etsy-color);
}

/* Header Section */
.calculator-header {
    text-align: center;
    padding: 20px;
    background: white;
}

.platform-tag {
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.etsy-tag {
    background: #fff2e6;
    color: var(--calc-etsy-color);
}

.amazon-tag {
    background: #fff4e6;
    color: var(--calc-amazon-color);
}

.calculator-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--calc-gray-800);
    margin: 0 0 12px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.calculator-header p {
    color: var(--calc-gray-500);
    font-size: 16px;
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Form Section */
.calculator-form-section {
    padding: 20px;
    background: var(--calc-gray-50);
    border-radius: 8px;
}

.calculator-input-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 20px;
    margin-bottom: 24px;
    align-items: end;
}

.calculator-input-group {
    display: flex;
    flex-direction: column;
}

.calculator-input-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--calc-gray-700);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.calculator-info-icon {
    width: 16px;
    height: 16px;
    background: var(--calc-gray-400);
    color: white;
    border-radius: 50%;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: help;
    font-style: normal;
    transition: var(--calc-transition);
}

.calculator-info-icon:hover {
    background: var(--calc-primary-color);
    transform: scale(1.1);
}

.calculator-form-input,
.calculator-form-select {
    border: none !important;
    background: white !important;
}

.calculator-input-wrapper {
    position: relative;
    display: flex;
    border: 3px dashed var(--calc-gray-300);
    border-radius: var(--calc-border-radius);
    background: white;
    transition: var(--calc-transition);
    min-height: 52px;
    align-items: center;
}

.calculator-input-wrapper:focus-within {
    border-color: var(--calc-primary-color);
}

.calculator-currency {
    padding: 14px 8px 14px 14px;
    color: var(--calc-gray-500);
    font-weight: 600;
    font-size: 16px;
}

.calculator-unit {
    padding: 14px 14px 14px 8px;
    color: var(--calc-gray-500);
    font-weight: 500;
    font-size: 14px;
    white-space: nowrap;
    min-width: fit-content;
}

.calculator-form-input {
    border: none;
    outline: none;
    padding: 14px 14px 14px 4px;
    font-size: 16px;
    width: 100%;
    background: transparent;
    color: var(--calc-gray-800);
    font-weight: 500;
}

.calculator-form-select {
    border: 3px dashed var(--calc-gray-300);
    border-radius: var(--calc-border-radius);
    padding: 14px 40px 14px 14px; /* Thêm padding-right để tạo khoảng trống cho mũi tên */
    font-size: 14px;
    background: white;
    color: var(--calc-gray-800);
    cursor: pointer;
    transition: var(--calc-transition);
    font-weight: 500;
    width: 100%;
    min-height: 52px;
    appearance: none; /* Ẩn mũi tên mặc định */
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 12px center !important; /* Đặt mũi tên cách viền phải 12px */
    background-size: 16px !important;
}

.calculator-form-select:focus {
    outline: none;
    border-color: var(--calc-primary-color);
}

.calculator-btn-calculate {
    background: var(--calc-primary-color);
    color: white;
    border: none;
    padding: 17px 24px;
    border-radius: var(--calc-border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--calc-transition);
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 55px;
    align-self: end;
}

.etsy-calculator .calculator-btn-calculate {
    background: var(--calc-etsy-color);
}

.amazon-calculator .calculator-btn-calculate {
    background: var(--calc-amazon-color);
}

.calculator-btn-calculate:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

/* Amazon Product Details */
.amazon-product-details {
    margin-top: 20px;
    padding: 20px;
    background: white;
    border: 1px solid var(--calc-gray-200);
    border-radius: var(--calc-border-radius);
}

.product-details-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 16px;
}

.product-details-row:last-child {
    margin-bottom: 0;
}

/* Offsite Ads Section */
.calculator-offsite-section {
    margin-top: 20px;
    padding: 20px;
    background: white;
    border: 1px solid var(--calc-gray-200);
    border-radius: var(--calc-border-radius);
}

.calculator-offsite-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--calc-gray-700);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.calculator-offsite-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.calculator-toggle-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.calculator-toggle {
    position: relative;
    width: 48px;
    height: 26px;
    background: var(--calc-gray-300);
    border-radius: 13px;
    cursor: pointer;
    transition: var(--calc-transition);
}

.etsy-calculator .calculator-toggle.active {
    background: var(--calc-etsy-color);
}

.amazon-calculator .calculator-toggle.active {
    background: var(--calc-amazon-color);
}

.calculator-toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    transition: var(--calc-transition);
}

.calculator-toggle.active .calculator-toggle-slider {
    transform: translateX(22px);
}

.calculator-toggle-text {
    font-size: 14px;
    color: var(--calc-gray-600);
    font-weight: 500;
}

.calculator-percentage-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.calculator-percentage-label {
    font-size: 14px;
    color: var(--calc-gray-600);
    font-weight: 500;
}

.calculator-percentage-select {
    padding: 8px 12px;
    border: 1px solid var(--calc-gray-300);
    border-radius: 6px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    transition: var(--calc-transition);
    font-weight: 500;
}

.calculator-percentage-select:focus {
    outline: none;
    border-color: var(--calc-primary-color);
}

/* Results Section */
.calculator-results-section {
    padding: 20px;
    background: white;
    border: 1px solid #e9e6ed;
    margin-top: 20px;
    border-radius: 10px;	
}

.calculator-results-layout {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    align-items: center;
}

.calculator-results-table {
    min-width: 280px;
}

.calculator-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--calc-gray-200);
    transition: var(--calc-transition);
}

.calculator-result-row:hover {
    background: var(--calc-gray-50);
    padding: 12px;
}

.calculator-result-row:last-child {
    border-bottom: none;
}

.calculator-result-label {
    font-size: 14px;
    color: var(--calc-gray-600);
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.calculator-result-value {
    font-weight: 700;
    color: var(--calc-gray-800);
    font-size: 15px;
}

.calculator-total-row {
    padding-top: 16px;
    margin-top: 12px;
    font-weight: 600;
}

.calculator-profit-row {
    color: var(--calc-success-color);
    font-weight: 700;
    font-size: 16px;
}

.calculator-profit-row .calculator-result-value {
    color: var(--calc-success-color);
    font-size: 18px;
}

/* Chart Container */
.calculator-chart-container {
    width: 160px;
    height: 160px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calculator-donut-chart {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: conic-gradient(
        var(--calc-primary-color) 0deg 180deg,
        #a8d0f0 180deg 270deg,
        var(--calc-gray-300) 270deg 360deg
    );
    position: relative;
    transition: background 0.5s ease;
}

.amazon-calculator .calculator-donut-chart {
    background: conic-gradient(
        var(--calc-amazon-color) 0deg 180deg,
        #ffb84d 180deg 270deg,
        var(--calc-gray-300) 270deg 360deg
    );
}

.calculator-donut-chart::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
}

.calculator-chart-legend {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 16px;
    font-size: 11px;
}

.calculator-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.calculator-legend-color {
    width: 10px;
    height: 10px;
    border-radius: 2px;
}

.calculator-chart-title {
    position: absolute;
    top: -40px;
    right: 0;
    font-size: 12px;
    color: var(--calc-gray-500);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Summary Stats */
.calculator-summary-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
    text-align: center;
}

.calculator-stat-item {
    padding: 20px 16px;
    border-radius: var(--calc-border-radius);
    background: var(--calc-gray-50);
    transition: var(--calc-transition);
}

.calculator-stat-item:hover {
    transform: translateY(-2px);
    background: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.calculator-stat-label {
    font-size: 11px;
    color: var(--calc-gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
    font-weight: 600;
}

.calculator-stat-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--calc-gray-800);
}

/* Amazon ROI Section */
.amazon-roi-section {
    margin-top: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #fff4e6 0%, #fff 100%);
    border-radius: var(--calc-border-radius);
    border: 1px solid #ffe0b3;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    text-align: center;
    justify-content: center;
}

.section-icon {
    font-size: 32px;
    line-height: 1;
}

.section-header h3 {
    color: var(--calc-gray-800);
    font-size: 20px;
    font-weight: 700;
    margin: 0;
}

.roi-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.roi-item {
    text-align: center;
    padding: 16px;
    background: white;
    border-radius: var(--calc-border-radius);
    border: 1px solid #ffcc80;
    transition: var(--calc-transition);
}

.roi-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 149, 0, 0.2);
}

.roi-label {
    font-size: 12px;
    color: var(--calc-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    font-weight: 600;
}

.roi-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--calc-amazon-color);
}

/* Content Sections */
.seo-section {
    margin-top: 20px;
    background: white;
    border-radius: var(--calc-border-radius);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 30px;
}

.feature-card:hover {
    transform: translateY(-2px);
    border-color: var(--calc-primary-color);
}

.feature-icon {
    font-size: 28px;
    margin-bottom: 12px;
    display: block;
}

.feature-card h3 {
    color: var(--calc-gray-800);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--calc-gray-600);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* Guide Sections */
.guide-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.guide-item, .feature-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: white;
    border-radius: var(--calc-border-radius);
    border: 1px solid var(--calc-gray-200);
    transition: var(--calc-transition);
}

.guide-item:hover {
    transform: translateY(-1px);
    border-color: var(--calc-primary-color);
}

.guide-icon, .feature-icon {
    font-size: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.guide-content h3 {
    color: var(--calc-gray-800);
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 8px 0;
}

.guide-content p {
    color: var(--calc-gray-600);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

.pricing-strategy .section-header {
    justify-content: start;
}

.pricing-strategy {
    background: var(--calc-gray-50);
    padding: 20px;
    border-radius: var(--calc-border-radius);
}

.pricing-strategy p {
    color: var(--calc-gray-700);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

/* FAQ Styles */
.faq-section,
.etsy-faq-section,
.amazon-faq-section {
    margin-top: 20px;
}

.faq-item,
.etsy-faq-item,
.amazon-faq-item {
    border-radius: var(--calc-border-radius);
    margin-bottom: 10px;
    overflow: hidden;
    background: white;
    transition: var(--calc-transition);
}

.faq-item:hover,
.etsy-faq-item:hover,
.amazon-faq-item:hover {
    transform: translateY(-1px);
}

.faq-question,
.etsy-faq-question,
.amazon-faq-question {
    padding: 20px;
    background: var(--calc-gray-50);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--calc-transition);
    border-bottom: 1px solid transparent;
}

.faq-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.faq-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.faq-content span:last-child {
    font-weight: 600;
    color: var(--calc-gray-800);
    font-size: 15px;
}

.faq-question:hover,
.etsy-faq-question:hover,
.amazon-faq-question:hover {
    background: var(--calc-gray-100);
}

.faq-question.active,
.etsy-faq-question.active,
.amazon-faq-question.active {
    background: #333;
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.faq-question.active .faq-content span:last-child,
.etsy-faq-question.active .faq-content span:last-child,
.amazon-faq-question.active .faq-content span:last-child {
    color: white;
}

.faq-toggle,
.etsy-faq-toggle,
.amazon-faq-toggle {
    font-size: 18px;
    font-weight: bold;
    transition: var(--calc-transition);
    color: var(--calc-gray-500);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(107, 114, 128, 0.1);
}

.faq-question.active .faq-toggle,
.etsy-faq-question.active .etsy-faq-toggle,
.amazon-faq-question.active .amazon-faq-toggle {
    color: white;
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(45deg);
}

.faq-answer,
.etsy-faq-answer,
.amazon-faq-answer {
    padding: 0 24px;
    background: white;
    color: var(--calc-gray-600);
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
}

.faq-answer.active,
.etsy-faq-answer.active,
.amazon-faq-answer.active {
    padding: 20px;
    max-height: 300px;
    background: #f7f8f9;
}

.faq-answer p,
.etsy-faq-answer p,
.amazon-faq-answer p {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
}

.faq-item:last-child,
.etsy-faq-item:last-child,
.amazon-faq-item:last-child {
    margin-bottom: 20px !important;
}

.amazon-product-details .calculator-input-wrapper,
.amazon-product-details .calculator-form-select {
    border: 1px solid #333 !important;
}

.amazon-calculator .calculator-input-row {
	grid-template-columns: none;
}

.section-header h2 {
    color: var(--calc-gray-800);
    font-size: 20px;
    font-weight: 700;
    margin: 0;
}

.etsy-tag {
    background: #e3f2fd;
    color: var(--calc-info-color);
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Responsive Design */
@media (max-width: 768px) {
    .section-header {
        flex-direction: column;
    }

    .calculator-header, 
    .calculator-form-section, 
    .calculator-results-section {
        padding: 20px;
    }

    .calculator-header h1 {
        flex-direction: column;
        gap: 8px;
    }

    .calculator-input-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .product-details-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .calculator-btn-calculate {
        width: 100%;
        justify-content: center;
    }

    .calculator-results-layout {
        grid-template-columns: 1fr;
        gap: 24px;
        text-align: center;
    }

    .calculator-chart-container {
        margin: 20px auto 40px;
    }

    .calculator-summary-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .roi-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .calculator-offsite-controls {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .guide-sections {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .faq-question {
        padding: 16px 20px;
    }

    .faq-answer.active {
        padding: 20px;
    }
}

/* Loading Animation */
.calculator-results-table.loading {
    opacity: 0.7;
    transform: scale(0.98);
    transition: all 0.3s ease;
}

.tooltip {
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}