/**
 * ============================================================================
 * BIO-CALCULATOR EQMX - Estilos públicos
 * Plugin WordPress v2.0
 * ============================================================================
 */

/* ============================================================================
   VARIABLES
   ============================================================================ */
.biocalc-wrapper {
    --biocalc-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --biocalc-primary: #0077B6;
    --biocalc-primary-light: #E0F2FE;
    --biocalc-primary-dark: #023E8A;
    --biocalc-success: #10B981;
    --biocalc-warning: #F59E0B;
    --biocalc-danger: #DC2626;
    --biocalc-purple: #7C3AED;
    --biocalc-bg: #F8FAFC;
    --biocalc-card: #FFFFFF;
    --biocalc-text: #0F172A;
    --biocalc-text-muted: #64748B;
    --biocalc-border: #E2E8F0;
    --biocalc-radius: 12px;
    --biocalc-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* ============================================================================
   WRAPPER
   ============================================================================ */
.biocalc-wrapper {
    font-family: var(--biocalc-font);
    background: linear-gradient(135deg, var(--biocalc-bg) 0%, #E2E8F0 100%);
    padding: 2rem 1rem;
    border-radius: var(--biocalc-radius);
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.biocalc-wrapper * {
    box-sizing: border-box;
}

/* ============================================================================
   LOADING
   ============================================================================ */
.biocalc-loading {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}

.biocalc-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--biocalc-border);
    border-top-color: var(--biocalc-primary);
    border-radius: 50%;
    animation: biocalc-spin 0.8s linear infinite;
}

@keyframes biocalc-spin {
    to { transform: rotate(360deg); }
}

/* ============================================================================
   HEADER
   ============================================================================ */
.biocalc-header {
    text-align: center;
    margin-bottom: 2rem;
}

.biocalc-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--biocalc-text);
    margin: 0 0 0.5rem 0;
}

.biocalc-header p {
    color: var(--biocalc-text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* ============================================================================
   CARD
   ============================================================================ */
.biocalc-card {
    background: var(--biocalc-card);
    border-radius: var(--biocalc-radius);
    padding: 2rem;
    box-shadow: var(--biocalc-shadow);
}

/* ============================================================================
   STEP INDICATOR
   ============================================================================ */
.biocalc-step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.biocalc-step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--biocalc-border);
    color: var(--biocalc-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.biocalc-step-num.active {
    background: var(--biocalc-primary);
    color: white;
}

.biocalc-step-num.done {
    background: var(--biocalc-success);
    color: white;
}

.biocalc-step-line {
    width: 40px;
    height: 3px;
    background: var(--biocalc-border);
    margin: 0 8px;
    transition: background 0.3s ease;
}

.biocalc-step-line.done {
    background: var(--biocalc-success);
}

.biocalc-step-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--biocalc-text);
    margin: 0 0 1.5rem 0;
    text-align: center;
}

/* ============================================================================
   FORM FIELDS
   ============================================================================ */
.biocalc-field {
    margin-bottom: 1.25rem;
}

.biocalc-field label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--biocalc-text);
    margin-bottom: 0.5rem;
}

.biocalc-field label .required {
    color: var(--biocalc-danger);
}

.biocalc-field label .optional {
    color: var(--biocalc-text-muted);
    font-weight: 400;
    font-size: 0.8rem;
}

.biocalc-field input[type="text"],
.biocalc-field input[type="email"],
.biocalc-field input[type="number"],
.biocalc-field select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--biocalc-border);
    border-radius: 8px;
    background: white;
    color: var(--biocalc-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.biocalc-field input:focus,
.biocalc-field select:focus {
    outline: none;
    border-color: var(--biocalc-primary);
    box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.15);
}

.biocalc-field small {
    display: block;
    font-size: 0.8rem;
    color: var(--biocalc-text-muted);
    margin-top: 0.375rem;
}

.biocalc-input-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.biocalc-input-group input {
    flex: 1;
}

.biocalc-suffix {
    color: var(--biocalc-text-muted);
    font-size: 1rem;
}

/* ============================================================================
   RADIO & CHECKBOX
   ============================================================================ */
.biocalc-radio-group,
.biocalc-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.biocalc-radio-group.biocalc-radio-inline {
    flex-direction: row;
    flex-wrap: wrap;
}

.biocalc-radio,
.biocalc-checkbox {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem 1rem;
    background: var(--biocalc-bg);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
    border: 2px solid transparent;
}

.biocalc-radio:hover,
.biocalc-checkbox:hover {
    background: #F1F5F9;
}

.biocalc-radio:has(input:checked),
.biocalc-checkbox:has(input:checked) {
    background: #EFF6FF;
    border-color: var(--biocalc-primary);
}

.biocalc-radio input,
.biocalc-checkbox input {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--biocalc-primary);
    cursor: pointer;
}

.biocalc-radio span,
.biocalc-checkbox span {
    font-size: 0.9rem;
    color: var(--biocalc-text);
}

/* ============================================================================
   CONSENT
   ============================================================================ */
.biocalc-consent-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--biocalc-border);
}

.biocalc-consent-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--biocalc-text);
    margin: 0 0 1rem 0;
}

.biocalc-consent {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--biocalc-bg);
    border-radius: 8px;
    margin-bottom: 0.75rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s;
}

.biocalc-consent:hover {
    background: #F1F5F9;
}

.biocalc-consent:has(input:checked) {
    background: #F0FDF4;
    border-color: var(--biocalc-success);
}

.biocalc-consent-required:has(input:checked) {
    background: #EFF6FF;
    border-color: var(--biocalc-primary);
}

.biocalc-consent input {
    width: 20px;
    height: 20px;
    margin: 0;
    margin-top: 2px;
    accent-color: var(--biocalc-success);
    cursor: pointer;
    flex-shrink: 0;
}

.biocalc-consent span {
    font-size: 0.875rem;
    color: var(--biocalc-text);
    line-height: 1.5;
}

.biocalc-consent a {
    color: var(--biocalc-primary);
    text-decoration: underline;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */
.biocalc-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--biocalc-primary) 0%, var(--biocalc-primary-dark) 100%);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
    width: 100%;
    margin-top: 1rem;
}

.biocalc-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 119, 182, 0.3);
}

.biocalc-btn-primary:disabled {
    background: #CBD5E1;
    cursor: not-allowed;
    transform: none;
}

.biocalc-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--biocalc-text-muted);
    background: #F1F5F9;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.biocalc-btn-secondary:hover {
    background: #E2E8F0;
    color: var(--biocalc-text);
}

.biocalc-btn-group {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.biocalc-btn-group .biocalc-btn-primary {
    flex: 1;
    margin-top: 0;
}

.biocalc-btn-group .biocalc-btn-secondary {
    flex-shrink: 0;
}

/* ============================================================================
   STAGE PREVIEW
   ============================================================================ */
.biocalc-stage-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.biocalc-stage-preview-icon {
    font-size: 2.5rem;
}

.biocalc-stage-preview-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.biocalc-stage-preview-context {
    font-size: 0.85rem;
    color: var(--biocalc-text-muted);
    margin: 0.25rem 0 0 0;
}

/* ============================================================================
   REFINEMENT QUESTIONS
   ============================================================================ */
.biocalc-refinement-section {
    margin-bottom: 1.5rem;
}

.biocalc-refinement-question {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    background: var(--biocalc-bg);
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 0.625rem;
    border: 2px solid transparent;
    transition: all 0.2s;
}

.biocalc-refinement-question:hover {
    background: #F1F5F9;
}

.biocalc-refinement-question.checked {
    background: #F0FDF4;
    border-color: #86EFAC;
}

.biocalc-refinement-question input {
    width: 18px;
    height: 18px;
    accent-color: var(--biocalc-success);
    cursor: pointer;
}

.biocalc-refinement-question span {
    font-size: 0.9rem;
    color: var(--biocalc-text);
}

/* ============================================================================
   RESULTS
   ============================================================================ */
.biocalc-results-header {
    border-radius: var(--biocalc-radius);
    padding: 2rem;
    color: white;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.biocalc-results-header::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 200px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1));
}

.biocalc-results-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.biocalc-results-stage-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.biocalc-results-icon {
    font-size: 3rem;
}

.biocalc-results-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
    margin: 0;
}

.biocalc-results-name {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0.25rem 0 0 0;
}

.biocalc-results-age {
    text-align: right;
}

.biocalc-results-age-num {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
}

.biocalc-results-age-unit {
    font-size: 0.8rem;
    opacity: 0.8;
    margin: 0;
}

.biocalc-results-context {
    font-size: 0.95rem;
    opacity: 0.9;
    margin: 1rem 0 0 0;
}

.biocalc-key-point-box {
    background: rgba(255,255,255,0.15);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.biocalc-key-point-box p {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 500;
}

/* Results cards */
.biocalc-results-card {
    background: var(--biocalc-card);
    border-radius: var(--biocalc-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--biocalc-shadow);
}

.biocalc-results-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 1rem 0;
}

.biocalc-results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 640px) {
    .biocalc-results-grid {
        grid-template-columns: 1fr;
    }
}

/* Personalized recommendations */
.biocalc-recommendation {
    padding: 0.875rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.625rem;
    border-left: 4px solid;
}

.biocalc-recommendation.priority {
    background: #FEF3C7;
    border-color: var(--biocalc-warning);
}

.biocalc-recommendation.warning {
    background: #FEE2E2;
    border-color: var(--biocalc-danger);
}

.biocalc-recommendation.tip {
    background: #F0FDF4;
    border-color: var(--biocalc-success);
}

.biocalc-recommendation p {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Risk / Exercise items */
.biocalc-item {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

.biocalc-item.risk {
    background: #FEF2F2;
}

.biocalc-item.exercise {
    background: #F0F9FF;
}

.biocalc-item.exercise.priority {
    background: #ECFDF5;
    border: 1px solid var(--biocalc-success);
}

.biocalc-item-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0 0 0.125rem 0;
}

.biocalc-item.risk .biocalc-item-title { color: #991B1B; }
.biocalc-item.exercise .biocalc-item-title { color: #0369A1; }
.biocalc-item.exercise.priority .biocalc-item-title { color: #065F46; }

.biocalc-item-desc {
    font-size: 0.8rem;
    color: var(--biocalc-text-muted);
    margin: 0;
}

/* Prescription */
.biocalc-prescription {
    border-radius: var(--biocalc-radius);
    padding: 1.5rem;
    border: 2px solid;
    margin-bottom: 1.5rem;
}

.biocalc-prescription h4 {
    margin: 0 0 1.25rem 0;
}

.biocalc-prescription-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (max-width: 576px) {
    .biocalc-prescription-grid {
        grid-template-columns: 1fr;
    }
}

.biocalc-prescription-item {
    background: white;
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
}

.biocalc-prescription-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--biocalc-text-muted);
    margin: 0;
}

.biocalc-prescription-value {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0.5rem 0 0 0;
}

.biocalc-prescription-value.large {
    font-size: 1.5rem;
}

/* Examples */
.biocalc-examples {
    margin-top: 1.25rem;
}

.biocalc-examples-label {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0 0 0.625rem 0;
}

.biocalc-examples-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.biocalc-example-tag {
    padding: 0.375rem 0.875rem;
    background: white;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--biocalc-text);
    border: 1px solid var(--biocalc-border);
}

/* Warnings */
.biocalc-warnings {
    background: #FFFBEB;
    border: 1px solid #FCD34D;
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.biocalc-warnings-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #92400E;
    margin: 0 0 0.5rem 0;
}

.biocalc-warnings ul {
    margin: 0;
    padding-left: 1.25rem;
}

.biocalc-warnings li {
    font-size: 0.85rem;
    color: #78350F;
    margin-bottom: 0.25rem;
}

/* Email sent badge */
.biocalc-email-sent {
    background: var(--biocalc-success);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

/* ============================================================================
   FOOTER
   ============================================================================ */
.biocalc-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.biocalc-footer p {
    font-size: 0.75rem;
    color: var(--biocalc-text-muted);
    margin: 0;
}

/* ============================================================================
   UTILITIES
   ============================================================================ */
.biocalc-hidden {
    display: none !important;
}

.biocalc-text-center {
    text-align: center;
}

/* ============================================================================
   INPUT FECHA dd/mm/yyyy
   ============================================================================ */
#biocalc-birthdate {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 1.1rem;
    letter-spacing: 2px;
    text-align: center;
    background-color: white;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='16' y1='2' x2='16' y2='6'%3E%3C/line%3E%3Cline x1='8' y1='2' x2='8' y2='6'%3E%3C/line%3E%3Cline x1='3' y1='10' x2='21' y2='10'%3E%3C/line%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 20px;
    padding-right: 45px !important;
}

#biocalc-birthdate::placeholder {
    color: #94A3B8;
    letter-spacing: 1px;
    font-family: inherit;
}

#biocalc-birthdate:focus {
    border-color: var(--biocalc-primary);
    box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.1);
}

/* Hint de scroll */
.biocalc-date-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--biocalc-text-muted);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.biocalc-date-hint svg {
    width: 14px;
    height: 14px;
}

/* ============================================================================
   FIELD ROW (Campos lado a lado)
   ============================================================================ */
.biocalc-field-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.biocalc-field-half {
    flex: 1;
    margin-bottom: 0;
}

.biocalc-field-hint {
    display: block;
    color: var(--biocalc-text-muted);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    text-align: center;
}

@media (max-width: 480px) {
    .biocalc-field-row {
        flex-direction: column;
    }
}

/* ============================================================================
   BLUR CONTAINER (Resultados parciales)
   ============================================================================ */
.biocalc-blur-container {
    position: relative;
    margin-top: 1.5rem;
}

.biocalc-blur-content {
    filter: blur(8px);
    pointer-events: none;
    user-select: none;
}

.biocalc-blur-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    background: rgba(248, 250, 252, 0.7);
    border-radius: var(--biocalc-radius);
}

.biocalc-blur-message {
    background: white;
    padding: 2rem;
    border-radius: var(--biocalc-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    text-align: center;
    max-width: 400px;
    margin: 1rem;
}

.biocalc-blur-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.biocalc-blur-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--biocalc-primary);
    margin: 0 0 0.75rem 0;
}

.biocalc-blur-text {
    font-size: 0.9rem;
    color: var(--biocalc-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ============================================================================
   STEP SUBTITLE
   ============================================================================ */
.biocalc-step-subtitle {
    text-align: center;
    color: var(--biocalc-text-muted);
    font-size: 0.95rem;
    margin: -0.5rem 0 1.5rem 0;
}

/* ============================================================================
   AGE FIELD (Paso 1 centrado)
   ============================================================================ */
.biocalc-age-field {
    text-align: center;
    padding: 1.5rem 0;
}

.biocalc-input-centered {
    justify-content: center;
}

.biocalc-input-centered input {
    width: 120px;
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    padding: 1rem;
}

.biocalc-input-centered .biocalc-suffix {
    font-size: 1.25rem;
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
@media (max-width: 576px) {
    .biocalc-wrapper {
        padding: 1rem 0.75rem;
    }
    
    .biocalc-card {
        padding: 1.5rem 1rem;
    }
    
    .biocalc-header h2 {
        font-size: 1.5rem;
    }
    
    .biocalc-results-top {
        flex-direction: column;
        gap: 1rem;
    }
    
    .biocalc-results-age {
        text-align: left;
    }
    
    .biocalc-results-name {
        font-size: 1.5rem;
    }
    
    .biocalc-btn-group {
        flex-direction: column-reverse;
    }
}