/**
 * Clever ROI Calculator Pro - Frontend Styles
 *
 * @package Clever_ROI_Calculator_Pro
 * @since 1.0.0
 */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&display=swap');

/* CSS Variables */
:root {
    --clever-primary: #195A8F;
    --clever-dark: #03192D;
    --clever-light: #8BCBFF;
    --clever-green: #4CAF50;
    --clever-purple: #8E91F1;
    --clever-white: #FFFFFF;
    --clever-gray: #666666;
    --clever-border-radius: 12px;
    --clever-transition: all 0.3s ease;
}

/* Reset & Base */
.clever-roi-calculator-pro * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.clever-roi-calculator-pro {
    font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--clever-white);
    width: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
    line-height: 1.5;
}

/* Container */
.clever-roi-calculator-pro .calculator-container {
    width: 100%;
    background: linear-gradient(135deg, #F0F7FF 0%, #E3F2FD 100%);
    padding: 40px 20px;
}

.clever-roi-calculator-pro .calculator-wrapper {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

/* Form Section */
.clever-roi-calculator-pro .form-section {
    background: var(--clever-white);
    border-radius: var(--clever-border-radius);
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 4px 20px rgba(25, 90, 143, 0.1);
}

.clever-roi-calculator-pro .form-section h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--clever-dark);
    margin-bottom: 24px;
    text-align: center;
}

/* Form Grid */
.clever-roi-calculator-pro .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .clever-roi-calculator-pro .form-grid {
        grid-template-columns: 1fr;
    }
}

/* Form Groups */
.clever-roi-calculator-pro .form-group {
    display: flex;
    flex-direction: column;
}

.clever-roi-calculator-pro .form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--clever-dark);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.clever-roi-calculator-pro .form-group input,
.clever-roi-calculator-pro .form-group select {
    padding: 12px 16px;
    font-size: 16px;
    font-family: inherit;
    border: 2px solid var(--clever-light);
    border-radius: 8px;
    background: var(--clever-white);
    color: var(--clever-dark);
    transition: var(--clever-transition);
}

.clever-roi-calculator-pro .form-group input:focus,
.clever-roi-calculator-pro .form-group select:focus {
    outline: none;
    border-color: var(--clever-primary);
    box-shadow: 0 0 0 4px rgba(25, 90, 143, 0.1);
}

.clever-roi-calculator-pro .form-group input::placeholder {
    color: #999;
}

/* Help Icon with Custom Tooltip */
.clever-roi-calculator-pro .help-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    font-size: 14px;
    cursor: help;
    opacity: 0.7;
    transition: opacity 0.2s;
    position: relative;
    color: var(--clever-primary);
}

.clever-roi-calculator-pro .help-icon:hover {
    opacity: 1;
}

/* Custom Tooltip */
.clever-roi-calculator-pro .help-icon::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--clever-dark);
    color: var(--clever-white);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.4;
    white-space: normal;
    width: max-content;
    max-width: 250px;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    pointer-events: none;
}

/* Tooltip Arrow */
.clever-roi-calculator-pro .help-icon::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--clever-dark);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 1001;
}

/* Show tooltip on hover */
.clever-roi-calculator-pro .help-icon:hover::after,
.clever-roi-calculator-pro .help-icon:hover::before,
.clever-roi-calculator-pro .help-icon:focus::after,
.clever-roi-calculator-pro .help-icon:focus::before,
.clever-roi-calculator-pro .help-icon.active::after,
.clever-roi-calculator-pro .help-icon.active::before {
    opacity: 1;
    visibility: visible;
}

/* Mobile: position tooltip below on small screens */
@media (max-width: 480px) {
    .clever-roi-calculator-pro .help-icon::after {
        bottom: auto;
        top: calc(100% + 8px);
        max-width: 200px;
    }

    .clever-roi-calculator-pro .help-icon::before {
        bottom: auto;
        top: calc(100% + 2px);
        border-top-color: transparent;
        border-bottom-color: var(--clever-dark);
    }
}

/* Submit Button */
.clever-roi-calculator-pro .submit-button {
    width: 100%;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 700;
    font-family: inherit;
    background: linear-gradient(135deg, var(--clever-primary) 0%, var(--clever-dark) 100%);
    color: var(--clever-white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--clever-transition);
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.clever-roi-calculator-pro .submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(25, 90, 143, 0.3);
}

.clever-roi-calculator-pro .submit-button:active {
    transform: translateY(0);
}

.clever-roi-calculator-pro .submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.clever-roi-calculator-pro .button-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Error Message */
.clever-roi-calculator-pro .error-message {
    color: #D32F2F;
    font-size: 14px;
    margin-top: 8px;
    text-align: center;
    grid-column: 1 / -1;
    display: none;
}

.clever-roi-calculator-pro .error-message.active {
    display: block;
}

/* Results Section */
.clever-roi-calculator-pro .results-section {
    display: none;
    background: var(--clever-white);
    border-radius: var(--clever-border-radius);
    padding: 40px;
    box-shadow: 0 4px 20px rgba(25, 90, 143, 0.1);
}

.clever-roi-calculator-pro .results-section.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Results Header */
.clever-roi-calculator-pro .results-header {
    text-align: center;
    margin-bottom: 40px;
}

.clever-roi-calculator-pro .results-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--clever-dark);
    margin-bottom: 8px;
}

.clever-roi-calculator-pro .results-header p {
    font-size: 16px;
    color: var(--clever-primary);
    margin-bottom: 12px;
}

/* Tier Badge */
.clever-roi-calculator-pro .tier-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-top: 8px;
}

.clever-roi-calculator-pro .tier-badge.tier-starter {
    background: #fff3e0;
    color: #e65100;
    border: 2px solid #ffb74d;
}

.clever-roi-calculator-pro .tier-badge.tier-professional {
    background: #e3f2fd;
    color: var(--clever-primary);
    border: 2px solid var(--clever-light);
}

.clever-roi-calculator-pro .tier-badge.tier-enterprise {
    background: #fff8e1;
    color: #f57f17;
    border: 2px solid #ffd54f;
}

.clever-roi-calculator-pro .tier-icon {
    font-size: 18px;
}

/* Metrics Grid */
.clever-roi-calculator-pro .metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

/* Metric Cards */
.clever-roi-calculator-pro .metric-card {
    padding: 24px;
    border-radius: var(--clever-border-radius);
    border: 2px solid;
    text-align: center;
}

.clever-roi-calculator-pro .metric-card.green {
    background: #F1F8F4;
    border-color: var(--clever-green);
}

.clever-roi-calculator-pro .metric-card.blue {
    background: #F0F7FF;
    border-color: var(--clever-light);
}

.clever-roi-calculator-pro .metric-card.purple {
    background: #F0F1FE;
    border-color: var(--clever-purple);
}

.clever-roi-calculator-pro .metric-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--clever-gray);
    margin-bottom: 12px;
}

.clever-roi-calculator-pro .metric-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--clever-dark);
    line-height: 1.2;
}

.clever-roi-calculator-pro .metric-card.green .metric-value {
    color: var(--clever-green);
}

.clever-roi-calculator-pro .metric-card.blue .metric-value {
    color: var(--clever-primary);
}

.clever-roi-calculator-pro .metric-card.purple .metric-value {
    color: var(--clever-purple);
}

/* Details Section */
.clever-roi-calculator-pro .details-section {
    background: #F0F7FF;
    border: 2px solid var(--clever-light);
    border-radius: var(--clever-border-radius);
    padding: 24px;
    margin-bottom: 24px;
}

.clever-roi-calculator-pro .details-section h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--clever-dark);
    margin-bottom: 16px;
}

.clever-roi-calculator-pro .details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.clever-roi-calculator-pro .detail-item {
    padding: 16px;
    background: var(--clever-white);
    border-radius: 8px;
    border-left: 4px solid var(--clever-primary);
}

.clever-roi-calculator-pro .detail-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--clever-gray);
    margin-bottom: 8px;
}

.clever-roi-calculator-pro .detail-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--clever-dark);
}

/* Highlighted detail item - for lifetime costs comparison */
.clever-roi-calculator-pro .detail-item-highlight {
    background: #FFF3E0;
    border-left-color: #FF9800;
    grid-column: 1 / -1;
}

.clever-roi-calculator-pro .detail-item-highlight .detail-label {
    color: #E65100;
}

.clever-roi-calculator-pro .detail-item-highlight .detail-value {
    color: #E65100;
    font-size: 24px;
}

/* Advanced Section */
.clever-roi-calculator-pro .advanced-section {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 2px solid var(--clever-light);
}

.clever-roi-calculator-pro .advanced-section h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--clever-dark);
    margin-bottom: 24px;
}

.clever-roi-calculator-pro .advanced-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.clever-roi-calculator-pro .advanced-item {
    padding: 16px;
    background: #F0F7FF;
    border-radius: 8px;
    border: 1px solid var(--clever-light);
}

.clever-roi-calculator-pro .advanced-item-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--clever-gray);
    margin-bottom: 8px;
}

.clever-roi-calculator-pro .advanced-item-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--clever-primary);
}

/* Installation Info */
.clever-roi-calculator-pro .installation-info {
    margin-top: 16px;
    margin-bottom: 24px;
    padding: 12px;
    background: #f5f5f5;
    border-left: 4px solid var(--clever-primary);
    border-radius: 4px;
    font-size: 13px;
    color: var(--clever-gray);
}

.clever-roi-calculator-pro .installation-info strong {
    color: var(--clever-dark);
}

/* Contact Note - Informative (Blue) */
.clever-roi-calculator-pro .contact-note {
    margin: 24px 0;
    padding: 20px;
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    border-left: 4px solid var(--clever-primary);
    border-radius: 8px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.clever-roi-calculator-pro .contact-note-icon {
    font-size: 28px;
    line-height: 1;
    flex-shrink: 0;
    color: var(--clever-primary);
}

.clever-roi-calculator-pro .contact-note-content {
    flex: 1;
}

.clever-roi-calculator-pro .contact-note-content h4 {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--clever-primary);
}

.clever-roi-calculator-pro .contact-note-content p {
    margin: 0;
    font-size: 14px;
    color: var(--clever-dark);
    line-height: 1.5;
}

.clever-roi-calculator-pro .contact-note-actions {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

.clever-roi-calculator-pro .contact-note-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--clever-primary) 0%, var(--clever-dark) 100%);
    color: white !important;
    text-decoration: none !important;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    transition: var(--clever-transition);
}

.clever-roi-calculator-pro .contact-note-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(25, 90, 143, 0.4);
}

.clever-roi-calculator-pro .contact-note-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.clever-roi-calculator-pro .contact-note-or {
    font-size: 12px;
    color: var(--clever-gray);
    font-weight: 500;
}

.clever-roi-calculator-pro .contact-note-info {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.clever-roi-calculator-pro .contact-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--clever-primary) !important;
    text-decoration: none !important;
    font-weight: 500;
    transition: var(--clever-transition);
}

.clever-roi-calculator-pro .contact-link:hover {
    color: var(--clever-dark) !important;
}

.clever-roi-calculator-pro .contact-icon {
    font-size: 14px;
}

/* Responsive contact note */
@media (max-width: 600px) {
    .clever-roi-calculator-pro .contact-note {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }

    .clever-roi-calculator-pro .contact-note-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .clever-roi-calculator-pro .contact-note-button {
        width: 100%;
        justify-content: center;
    }
}

/* Reset Button */
.clever-roi-calculator-pro .reset-button {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    background: var(--clever-white);
    color: var(--clever-primary);
    border: 2px solid var(--clever-primary);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--clever-transition);
}

.clever-roi-calculator-pro .reset-button:hover {
    background: #F0F7FF;
}

/* Responsive Adjustments */
@media (max-width: 600px) {
    .clever-roi-calculator-pro .calculator-container {
        padding: 20px 15px;
    }

    .clever-roi-calculator-pro .form-section,
    .clever-roi-calculator-pro .results-section {
        padding: 24px 20px;
    }

    .clever-roi-calculator-pro .form-section h2,
    .clever-roi-calculator-pro .results-header h2 {
        font-size: 22px;
    }

    .clever-roi-calculator-pro .metric-value {
        font-size: 24px;
    }

    .clever-roi-calculator-pro .metrics-grid,
    .clever-roi-calculator-pro .details-grid,
    .clever-roi-calculator-pro .advanced-grid {
        grid-template-columns: 1fr;
    }
}

/* Print Styles */
@media print {
    .clever-roi-calculator-pro .form-section,
    .clever-roi-calculator-pro .reset-button {
        display: none !important;
    }

    .clever-roi-calculator-pro .results-section {
        display: block !important;
        box-shadow: none;
    }
}