/* ===== VASCULAR AGE CALCULATOR STYLES ===== */
/* Matches GRN Labs site aesthetic */

:root {
    --calc-primary: #0a4d3c;
    --calc-accent: #d97706;
    --calc-sage: #8fa876;
    --calc-steel: #6b8cae;
    --calc-text: #1a202c;
    --calc-text-light: #4a5568;
    --calc-bg: #ffffff;
    --calc-bg-soft: #f7fafc;
    --calc-border: #e2e8f0;
    --calc-success: #38a169;
    --calc-warning: #d69e2e;
    --calc-danger: #e53e3e;
    --calc-info: #3182ce;
}

/* Modal Overlay */
.vac-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    padding: 20px;
}

.vac-modal-overlay.active {
    display: flex;
}

/* Modal Container */
.vac-modal {
    background: var(--calc-bg);
    border-radius: 16px;
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
}

.vac-modal-header {
    background: linear-gradient(135deg, var(--calc-primary) 0%, #0d6b52 100%);
    color: white;
    padding: 24px 28px;
    position: relative;
}

.vac-modal-header h2 {
    font-family: 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 4px 0;
}

.vac-modal-header p {
    font-size: 0.9rem;
    opacity: 0.9;
    margin: 0;
}

.vac-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.vac-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Progress Bar */
.vac-progress-container {
    background: var(--calc-bg-soft);
    padding: 16px 28px;
    border-bottom: 1px solid var(--calc-border);
}

/* Disclaimer Banner */
.vac-disclaimer-banner {
    background: #fef3cd;
    border-bottom: 1px solid #ffc107;
    padding: 12px 28px;
    font-size: 0.8rem;
    color: #856404;
    line-height: 1.5;
}

.vac-disclaimer-banner strong {
    color: #664d03;
}

.vac-progress-bar {
    height: 8px;
    background: var(--calc-border);
    border-radius: 4px;
    overflow: hidden;
}

.vac-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--calc-sage), var(--calc-steel));
    border-radius: 4px;
    transition: width 0.4s ease;
    width: 0%;
}

.vac-progress-text {
    font-size: 0.8rem;
    color: var(--calc-text-light);
    margin-top: 8px;
    text-align: center;
}

/* Content Area */
.vac-content {
    padding: 28px;
    max-height: 50vh;
    overflow-y: auto;
}

/* Question Slides */
.vac-slide {
    display: none;
}

.vac-slide.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.vac-question {
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--calc-text);
    margin-bottom: 6px;
}

.vac-question-subtitle {
    font-size: 0.85rem;
    color: var(--calc-text-light);
    margin-bottom: 20px;
}

/* Input Styles */
.vac-input-group {
    margin-bottom: 16px;
}

.vac-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--calc-border);
    border-radius: 10px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.vac-input:focus {
    outline: none;
    border-color: var(--calc-primary);
    box-shadow: 0 0 0 3px rgba(10, 77, 60, 0.1);
}

/* Option Buttons */
.vac-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.vac-option {
    padding: 14px 18px;
    border: 2px solid var(--calc-border);
    border-radius: 10px;
    background: var(--calc-bg);
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    text-align: left;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 12px;
}

.vac-option:hover {
    border-color: var(--calc-steel);
    background: var(--calc-bg-soft);
}

.vac-option.selected {
    border-color: var(--calc-primary);
    background: rgba(10, 77, 60, 0.05);
}

.vac-option .icon {
    font-size: 1.2rem;
}

/* Slider Input */
.vac-slider-container {
    margin: 20px 0;
}

.vac-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--calc-border);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.vac-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--calc-primary);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.vac-slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--calc-text-light);
    margin-top: 8px;
}

.vac-slider-value {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--calc-primary);
    margin-top: 10px;
}

/* Navigation Buttons */
.vac-nav {
    display: flex;
    justify-content: space-between;
    padding: 20px 28px;
    border-top: 1px solid var(--calc-border);
    background: var(--calc-bg-soft);
}

.vac-btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.vac-btn-secondary {
    background: transparent;
    color: var(--calc-text-light);
    border: 1px solid var(--calc-border);
}

.vac-btn-secondary:hover {
    background: var(--calc-bg);
    border-color: var(--calc-text-light);
}

.vac-btn-primary {
    background: var(--calc-primary);
    color: white;
}

.vac-btn-primary:hover {
    background: #0d6b52;
}

.vac-btn-primary:disabled {
    background: var(--calc-border);
    cursor: not-allowed;
}

/* Results Page */
.vac-results {
    text-align: center;
    padding: 10px 0;
}

.vac-results-score {
    margin: 20px 0;
}

.vac-score-circle {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.vac-score-circle.excellent {
    background: linear-gradient(135deg, #38a169, #48bb78);
}

.vac-score-circle.moderate {
    background: linear-gradient(135deg, #3182ce, #4299e1);
}

.vac-score-circle.elevated {
    background: linear-gradient(135deg, #d69e2e, #ecc94b);
}

.vac-score-circle.high {
    background: linear-gradient(135deg, #e53e3e, #fc8181);
}

.vac-score-number {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    line-height: 1;
}

.vac-score-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 4px;
}

.vac-score-comparison {
    font-size: 1rem;
    color: var(--calc-text-light);
    margin-bottom: 8px;
}

.vac-score-gap {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.vac-score-gap.positive {
    color: var(--calc-success);
}

.vac-score-gap.negative {
    color: var(--calc-danger);
}

.vac-tier-message {
    background: var(--calc-bg-soft);
    padding: 16px 20px;
    border-radius: 10px;
    margin: 20px 0;
    font-size: 0.95rem;
    color: var(--calc-text);
    line-height: 1.6;
}

.vac-factors-summary {
    text-align: left;
    margin: 24px 0;
    padding: 16px 20px;
    background: var(--calc-bg-soft);
    border-radius: 10px;
}

.vac-factors-title {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 12px;
    color: var(--calc-text);
}

.vac-factor-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--calc-border);
    font-size: 0.85rem;
}

.vac-factor-item:last-child {
    border-bottom: none;
}

.vac-factor-name {
    color: var(--calc-text-light);
}

.vac-factor-impact {
    font-weight: 500;
}

.vac-factor-impact.positive {
    color: var(--calc-success);
}

.vac-factor-impact.negative {
    color: var(--calc-danger);
}

.vac-factor-impact.neutral {
    color: var(--calc-text-light);
}

/* CTA Section */
.vac-cta {
    margin-top: 24px;
}

.vac-cta-btn {
    display: inline-block;
    padding: 16px 32px;
    background: var(--calc-primary);
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s;
}

.vac-cta-btn:hover {
    background: #0d6b52;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(10, 77, 60, 0.3);
}

.vac-cta-secondary {
    display: block;
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--calc-text-light);
    text-decoration: underline;
}

/* Floating Trigger Button */
.vac-trigger-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--calc-primary) 0%, #0d6b52 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(10, 77, 60, 0.4);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 9998;
    transition: all 0.3s;
}

.vac-trigger-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(10, 77, 60, 0.5);
}

.vac-trigger-btn .pulse {
    width: 8px;
    height: 8px;
    background: var(--calc-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.3);
        opacity: 0.7;
    }
}

/* Disclaimer */
.vac-disclaimer {
    font-size: 0.75rem;
    color: var(--calc-text-light);
    margin-top: 20px;
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 600px) {
    .vac-modal {
        max-height: 95vh;
        border-radius: 12px;
    }

    .vac-modal-header {
        padding: 20px;
    }

    .vac-modal-header h2 {
        font-size: 1.25rem;
    }

    .vac-content {
        padding: 20px;
    }

    .vac-nav {
        padding: 16px 20px;
    }

    .vac-trigger-btn {
        bottom: 16px;
        right: 16px;
        padding: 12px 16px;
        font-size: 0.85rem;
    }

    .vac-score-circle {
        width: 140px;
        height: 140px;
    }

    .vac-score-number {
        font-size: 2.5rem;
    }
}