/**
 * Sengarmi - Diagnostic de Peau
 * Style moderne et cohérent avec le site
 * Version: 2.0
 */

/* =====================================================
   CSS Variables - Couleurs Sengarmi
   ===================================================== */
:root {
    --diag-primary: #c4743f;
    --diag-primary-light: #d28963;
    --diag-primary-dark: #a86235;
    --diag-secondary: #3b3f45;
    --diag-accent: #f8c4a4;
    --diag-success: #4caf50;
    --diag-warning: #ff9800;
    --diag-danger: #f44336;
    --diag-bg-light: #faf9f7;
    --diag-bg-cream: #fef8f3;
    --diag-text-dark: #2d2d2d;
    --diag-text-muted: #6c757d;
    --diag-border: #e8e4e0;
    --diag-shadow: 0 4px 20px rgba(196, 116, 63, 0.12);
    --diag-shadow-hover: 0 8px 30px rgba(196, 116, 63, 0.2);
    --diag-radius: 16px;
    --diag-radius-sm: 10px;
    --diag-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --diag-font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* =====================================================
   Base Styles
   ===================================================== */
.diagnostic-wrapper {
    font-family: var(--diag-font);
    color: var(--diag-text-dark);
    background: linear-gradient(180deg, var(--diag-bg-cream) 0%, #fff 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* =====================================================
   Loading Screen
   ===================================================== */
.diagnostic-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--diag-bg-cream) 0%, #fff 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.diagnostic-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.diagnostic-loader__logo {
    width: 80px;
    height: auto;
    animation: pulse 1.5s ease-in-out infinite;
}

.diagnostic-loader__spinner {
    width: 50px;
    height: 50px;
    margin-top: 30px;
    border: 3px solid var(--diag-border);
    border-top-color: var(--diag-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.diagnostic-loader__text {
    margin-top: 20px;
    font-size: 0.95rem;
    color: var(--diag-text-muted);
    letter-spacing: 0.5px;
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.85; }
}

/* =====================================================
   Quiz Container
   ===================================================== */
.diagnostic-quiz {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
}

.diagnostic-quiz__header {
    text-align: center;
    padding: 30px 20px;
    margin-bottom: 30px;
}

.diagnostic-quiz__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--diag-secondary);
    margin: 0 0 10px;
    line-height: 1.3;
}

.diagnostic-quiz__subtitle {
    font-size: 1rem;
    color: var(--diag-text-muted);
    margin: 0;
    max-width: 500px;
    margin: 0 auto;
}

/* =====================================================
   Progress Bar
   ===================================================== */
.diagnostic-progress {
    position: sticky;
    top: 0;
    background: #fff;
    padding: 15px 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin: -20px -20px 30px;
    padding: 15px 20px;
}

.diagnostic-progress__bar {
    height: 8px;
    background: var(--diag-border);
    border-radius: 100px;
    overflow: hidden;
    position: relative;
}

.diagnostic-progress__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--diag-primary) 0%, var(--diag-primary-light) 100%);
    border-radius: 100px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.diagnostic-progress__fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.diagnostic-progress__info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.diagnostic-progress__step {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--diag-primary);
}

.diagnostic-progress__percentage {
    font-size: 0.85rem;
    color: var(--diag-text-muted);
}

/* =====================================================
   Question Card
   ===================================================== */
.diagnostic-question {
    background: #fff;
    border-radius: var(--diag-radius);
    box-shadow: var(--diag-shadow);
    padding: 40px 30px;
    margin-bottom: 20px;
    transition: var(--diag-transition);
    opacity: 0;
    transform: translateY(30px);
    display: none;
}

.diagnostic-question.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.5s ease forwards;
}

.diagnostic-question.slide-out-left {
    animation: slideOutLeft 0.4s ease forwards;
}

.diagnostic-question.slide-out-right {
    animation: slideOutRight 0.4s ease forwards;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideOutLeft {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(-100px); }
}

@keyframes slideOutRight {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(100px); }
}

.diagnostic-question__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--diag-bg-cream);
    color: var(--diag-primary);
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 15px;
}

.diagnostic-question__text {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--diag-secondary);
    margin: 0 0 25px;
    line-height: 1.4;
}

/* =====================================================
   Answer Options
   ===================================================== */
.diagnostic-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

@media (max-width: 600px) {
    .diagnostic-options {
        grid-template-columns: 1fr;
    }
}

.diagnostic-option {
    position: relative;
    cursor: pointer;
}

.diagnostic-option__input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.diagnostic-option__label {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    background: var(--diag-bg-light);
    border: 2px solid var(--diag-border);
    border-radius: var(--diag-radius-sm);
    cursor: pointer;
    transition: var(--diag-transition);
    position: relative;
    overflow: hidden;
}

.diagnostic-option__label::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--diag-primary) 0%, var(--diag-primary-light) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.diagnostic-option__label:hover {
    border-color: var(--diag-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(196, 116, 63, 0.15);
}

.diagnostic-option__input:checked + .diagnostic-option__label {
    border-color: var(--diag-primary);
    background: linear-gradient(135deg, var(--diag-primary) 0%, var(--diag-primary-light) 100%);
    color: #fff;
    transform: scale(1.02);
    box-shadow: var(--diag-shadow-hover);
}

.diagnostic-option__icon {
    font-size: 1.8rem;
    margin-right: 15px;
    position: relative;
    z-index: 1;
    min-width: 40px;
    text-align: center;
}

.diagnostic-option__text {
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.diagnostic-option__check {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border: 2px solid var(--diag-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--diag-transition);
    z-index: 1;
}

.diagnostic-option__input:checked + .diagnostic-option__label .diagnostic-option__check {
    background: #fff;
    border-color: #fff;
}

.diagnostic-option__check::after {
    content: '✓';
    font-size: 12px;
    font-weight: bold;
    color: transparent;
    transition: var(--diag-transition);
}

.diagnostic-option__input:checked + .diagnostic-option__label .diagnostic-option__check::after {
    color: var(--diag-primary);
}

/* =====================================================
   User Info Section
   ===================================================== */
.diagnostic-userinfo {
    background: #fff;
    border-radius: var(--diag-radius);
    box-shadow: var(--diag-shadow);
    padding: 40px 30px;
}

.diagnostic-userinfo__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--diag-secondary);
    margin: 0 0 10px;
    text-align: center;
}

.diagnostic-userinfo__subtitle {
    font-size: 0.95rem;
    color: var(--diag-text-muted);
    text-align: center;
    margin: 0 0 30px;
}

.diagnostic-field {
    margin-bottom: 20px;
}

.diagnostic-field__label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--diag-secondary);
    margin-bottom: 8px;
}

.diagnostic-field__input {
    width: 100%;
    padding: 15px 20px;
    font-size: 1rem;
    font-family: var(--diag-font);
    border: 2px solid var(--diag-border);
    border-radius: var(--diag-radius-sm);
    background: var(--diag-bg-light);
    transition: var(--diag-transition);
    outline: none;
}

.diagnostic-field__input:focus {
    border-color: var(--diag-primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(196, 116, 63, 0.1);
}

.diagnostic-field__input::placeholder {
    color: #aaa;
}

.diagnostic-field__input:invalid:not(:placeholder-shown) {
    border-color: var(--diag-danger);
}

.diagnostic-field__hint {
    font-size: 0.8rem;
    color: var(--diag-text-muted);
    margin-top: 5px;
}

/* =====================================================
   Navigation Buttons
   ===================================================== */
.diagnostic-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    gap: 15px;
}

.diagnostic-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--diag-font);
    border: none;
    border-radius: 100px;
    cursor: pointer;
    transition: var(--diag-transition);
    text-decoration: none;
    outline: none;
}

.diagnostic-btn--primary {
    background: linear-gradient(135deg, var(--diag-primary) 0%, var(--diag-primary-light) 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(196, 116, 63, 0.3);
}

.diagnostic-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(196, 116, 63, 0.4);
}

.diagnostic-btn--primary:active {
    transform: translateY(0);
}

.diagnostic-btn--primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.diagnostic-btn--secondary {
    background: transparent;
    color: var(--diag-text-muted);
    border: 2px solid var(--diag-border);
}

.diagnostic-btn--secondary:hover {
    border-color: var(--diag-primary);
    color: var(--diag-primary);
}

.diagnostic-btn--large {
    width: 100%;
    padding: 18px 30px;
    font-size: 1.1rem;
}

.diagnostic-btn__icon {
    margin-right: 8px;
}

.diagnostic-btn__icon--right {
    margin-left: 8px;
    margin-right: 0;
}

/* =====================================================
   Summary/Review Screen
   ===================================================== */
.diagnostic-summary {
    background: #fff;
    border-radius: var(--diag-radius);
    box-shadow: var(--diag-shadow);
    padding: 40px 30px;
    display: none;
}

.diagnostic-summary.active {
    display: block;
    animation: slideUp 0.5s ease forwards;
}

.diagnostic-summary__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--diag-secondary);
    margin: 0 0 10px;
    text-align: center;
}

.diagnostic-summary__subtitle {
    font-size: 0.95rem;
    color: var(--diag-text-muted);
    text-align: center;
    margin: 0 0 30px;
}

.diagnostic-summary__list {
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
}

.diagnostic-summary__item {
    padding: 15px 0;
    border-bottom: 1px solid var(--diag-border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.diagnostic-summary__item:last-child {
    border-bottom: none;
}

.diagnostic-summary__question {
    font-size: 0.9rem;
    color: var(--diag-text-muted);
    flex: 1;
    padding-right: 20px;
}

.diagnostic-summary__answer {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--diag-secondary);
    text-align: right;
}

.diagnostic-summary__disclaimer {
    background: var(--diag-bg-cream);
    padding: 15px 20px;
    border-radius: var(--diag-radius-sm);
    margin-bottom: 25px;
}

.diagnostic-summary__disclaimer p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--diag-text-muted);
    line-height: 1.5;
}

/* =====================================================
   Loading State for Submit
   ===================================================== */
.diagnostic-loading {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 30px;
    text-align: center;
}

.diagnostic-loading.active {
    display: flex;
    animation: slideUp 0.5s ease forwards;
}

.diagnostic-loading__animation {
    width: 80px;
    height: 80px;
    margin-bottom: 30px;
}

.diagnostic-loading__circle {
    width: 100%;
    height: 100%;
    border: 4px solid var(--diag-border);
    border-top-color: var(--diag-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.diagnostic-loading__title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--diag-secondary);
    margin: 0 0 10px;
}

.diagnostic-loading__text {
    font-size: 0.95rem;
    color: var(--diag-text-muted);
    margin: 0;
    max-width: 300px;
}

.diagnostic-loading__steps {
    margin-top: 30px;
    list-style: none;
    padding: 0;
}

.diagnostic-loading__step {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--diag-text-muted);
    opacity: 0.5;
    transition: var(--diag-transition);
}

.diagnostic-loading__step.active {
    opacity: 1;
    color: var(--diag-primary);
    font-weight: 500;
}

.diagnostic-loading__step.completed {
    opacity: 1;
    color: var(--diag-success);
}

.diagnostic-loading__step-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: currentColor;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: #fff;
}

/* =====================================================
   RESULTS PAGE STYLES
   ===================================================== */
.diagnostic-results {
    max-width: 1100px;
    margin: 0 auto;
    padding: 30px 20px;
}

.diagnostic-results__header {
    text-align: center;
    padding: 40px 20px;
    margin-bottom: 40px;
    background: linear-gradient(135deg, var(--diag-bg-cream) 0%, #fff 100%);
    border-radius: var(--diag-radius);
}

.diagnostic-results__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--diag-secondary);
    margin: 0 0 10px;
}

.diagnostic-results__subtitle {
    font-size: 1.05rem;
    color: var(--diag-text-muted);
    margin: 0;
}

/* Profile Card */
.diagnostic-profile {
    background: #fff;
    border-radius: var(--diag-radius);
    box-shadow: var(--diag-shadow);
    padding: 30px;
    margin-bottom: 30px;
}

.diagnostic-profile__header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--diag-border);
}

.diagnostic-profile__icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--diag-primary) 0%, var(--diag-primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.diagnostic-profile__info h2 {
    margin: 0 0 5px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--diag-secondary);
}

.diagnostic-profile__info p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--diag-primary);
    font-weight: 500;
}

.diagnostic-profile__summary {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--diag-text-dark);
}

.diagnostic-profile__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.diagnostic-profile__tag {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: var(--diag-bg-cream);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--diag-primary);
}

.diagnostic-profile__tag-icon {
    margin-right: 6px;
}

/* Routine Sections */
.diagnostic-routine {
    margin-bottom: 40px;
}

.diagnostic-routine__header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.diagnostic-routine__icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--diag-primary) 0%, var(--diag-primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.diagnostic-routine__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--diag-secondary);
    margin: 0;
}

.diagnostic-routine__advice {
    background: var(--diag-bg-cream);
    border-left: 4px solid var(--diag-primary);
    padding: 15px 20px;
    margin-bottom: 25px;
    border-radius: 0 var(--diag-radius-sm) var(--diag-radius-sm) 0;
    font-size: 0.95rem;
    color: var(--diag-text-dark);
    line-height: 1.6;
}

/* Steps Grid */
.diagnostic-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.diagnostic-step {
    background: #fff;
    border-radius: var(--diag-radius);
    box-shadow: var(--diag-shadow);
    padding: 25px;
    transition: var(--diag-transition);
}

.diagnostic-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--diag-shadow-hover);
}

.diagnostic-step__header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.diagnostic-step__number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--diag-primary) 0%, var(--diag-primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}

.diagnostic-step__name {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--diag-secondary);
    margin: 0;
    flex: 1;
}

/* Score Bars */
.diagnostic-step__scores {
    margin-bottom: 20px;
}

.diagnostic-score {
    margin-bottom: 15px;
}

.diagnostic-score__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.diagnostic-score__label {
    font-size: 0.85rem;
    color: var(--diag-text-muted);
    font-weight: 500;
}

.diagnostic-score__value {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--diag-primary);
}

.diagnostic-score__bar {
    height: 8px;
    background: var(--diag-border);
    border-radius: 100px;
    overflow: hidden;
}

.diagnostic-score__fill {
    height: 100%;
    border-radius: 100px;
    transition: width 1s ease-out;
    width: 0;
}

.diagnostic-score__fill--efficacy {
    background: linear-gradient(90deg, #4caf50 0%, #8bc34a 100%);
}

.diagnostic-score__fill--impact {
    background: linear-gradient(90deg, var(--diag-primary) 0%, var(--diag-primary-light) 100%);
}

.diagnostic-step__description {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--diag-text-muted);
    margin-bottom: 15px;
}

.diagnostic-step__explanation {
    background: var(--diag-bg-light);
    padding: 15px;
    border-radius: var(--diag-radius-sm);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--diag-text-dark);
    margin-bottom: 20px;
}

.diagnostic-step__explanation strong {
    color: var(--diag-primary);
    display: block;
    margin-bottom: 5px;
}

/* Products in Step */
.diagnostic-step__products {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--diag-border);
}

.diagnostic-step__products-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--diag-secondary);
    margin: 0 0 15px;
}

/* =====================================================
   CTA Section
   ===================================================== */
.diagnostic-cta {
    background: linear-gradient(135deg, var(--diag-primary) 0%, var(--diag-primary-dark) 100%);
    border-radius: var(--diag-radius);
    padding: 40px 30px;
    text-align: center;
    margin: 40px 0;
    color: #fff;
}

.diagnostic-cta__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 10px;
}

.diagnostic-cta__text {
    font-size: 1rem;
    margin: 0 0 25px;
    opacity: 0.9;
}

.diagnostic-cta__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    background: #fff;
    color: var(--diag-primary);
    font-size: 1.1rem;
    font-weight: 600;
    font-family: var(--diag-font);
    border: none;
    border-radius: 100px;
    cursor: pointer;
    transition: var(--diag-transition);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.diagnostic-cta__btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.25);
}

.diagnostic-cta__badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 25px;
}

.diagnostic-cta__badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    opacity: 0.95;
}

.diagnostic-cta__badge-icon {
    font-size: 1.2rem;
}

/* =====================================================
   Disclaimer
   ===================================================== */
.diagnostic-disclaimer {
    background: var(--diag-bg-light);
    border-radius: var(--diag-radius-sm);
    padding: 20px;
    margin-top: 30px;
    text-align: center;
}

.diagnostic-disclaimer__icon {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.diagnostic-disclaimer__text {
    font-size: 0.85rem;
    color: var(--diag-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* =====================================================
   Mobile Sticky Footer
   ===================================================== */
@media (max-width: 768px) {
    .diagnostic-sticky-footer {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: #fff;
        padding: 15px 20px;
        padding-bottom: calc(15px + env(safe-area-inset-bottom));
        box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
        z-index: 1000;
    }
    
    .diagnostic-sticky-spacer {
        height: 140px;
    }
    
    .diagnostic-cta {
        display: none;
    }
}

@media (min-width: 769px) {
    .diagnostic-sticky-footer {
        display: none;
    }
    
    .diagnostic-sticky-spacer {
        display: none;
    }
}

/* =====================================================
   Animations
   ===================================================== */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-in-bottom {
    animation: slideInBottom 0.5s ease forwards;
}

@keyframes slideInBottom {
    from { 
        opacity: 0;
        transform: translateY(30px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered animations for steps */
.diagnostic-step:nth-child(1) { animation-delay: 0.1s; }
.diagnostic-step:nth-child(2) { animation-delay: 0.2s; }
.diagnostic-step:nth-child(3) { animation-delay: 0.3s; }
.diagnostic-step:nth-child(4) { animation-delay: 0.4s; }
.diagnostic-step:nth-child(5) { animation-delay: 0.5s; }
.diagnostic-step:nth-child(6) { animation-delay: 0.6s; }

/* =====================================================
   MOBILE RESPONSIVE - Tablette (768px et moins)
   ===================================================== */
@media (max-width: 768px) {
    /* Variables ajustées mobile */
    .diagnostic-wrapper {
        --diag-radius: 12px;
        --diag-radius-sm: 8px;
    }
    
    /* Quiz container */
    .diagnostic-quiz {
        padding: 12px;
    }
    
    /* Header */
    .diagnostic-quiz__header {
        padding: 20px 15px;
        margin-bottom: 15px;
    }
    
    .diagnostic-quiz__title {
        font-size: 1.4rem;
        line-height: 1.35;
    }
    
    .diagnostic-quiz__subtitle {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    /* Progress bar */
    .diagnostic-progress {
        margin: -12px -12px 20px;
        padding: 12px 15px;
        position: sticky;
        top: 0;
    }
    
    .diagnostic-progress__bar {
        height: 6px;
    }
    
    .diagnostic-progress__info {
        margin-top: 8px;
    }
    
    .diagnostic-progress__step,
    .diagnostic-progress__percentage {
        font-size: 0.75rem;
    }
    
    /* Question card */
    .diagnostic-question {
        padding: 20px 16px;
        margin-bottom: 15px;
        border-radius: var(--diag-radius);
    }
    
    .diagnostic-question__number {
        width: 32px;
        height: 32px;
        font-size: 0.85rem;
        margin-bottom: 12px;
    }
    
    .diagnostic-question__text {
        font-size: 1.1rem;
        margin-bottom: 20px;
        line-height: 1.4;
    }
    
    /* Options - 1 colonne sur mobile */
    .diagnostic-options {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .diagnostic-option__label {
        padding: 14px 16px;
        border-radius: var(--diag-radius-sm);
        min-height: 60px;
    }
    
    .diagnostic-option__label:hover {
        transform: none; /* Désactiver hover sur mobile */
    }
    
    .diagnostic-option__label:active {
        transform: scale(0.98);
    }
    
    .diagnostic-option__icon {
        font-size: 1.5rem;
        min-width: 35px;
        margin-right: 12px;
    }
    
    .diagnostic-option__text {
        font-size: 0.9rem;
        line-height: 1.35;
        flex: 1;
        padding-right: 30px;
    }
    
    .diagnostic-option__check {
        width: 22px;
        height: 22px;
        right: 12px;
    }
    
    /* User info section */
    .diagnostic-userinfo {
        padding: 20px 16px;
    }
    
    .diagnostic-field {
        margin-bottom: 16px;
    }
    
    .diagnostic-field__label {
        font-size: 0.85rem;
        margin-bottom: 6px;
    }
    
    .diagnostic-field__input {
        padding: 14px 16px;
        font-size: 16px; /* Empêche le zoom iOS */
        border-radius: var(--diag-radius-sm);
    }
    
    .diagnostic-field__hint {
        font-size: 0.75rem;
    }
    
    /* Navigation buttons */
    .diagnostic-nav {
        margin-top: 25px;
        flex-direction: column;
        gap: 10px;
    }
    
    .diagnostic-btn {
        width: 100%;
        padding: 14px 20px;
        font-size: 0.95rem;
        justify-content: center;
    }
    
    .diagnostic-btn--secondary {
        order: 1; /* Bouton retour en bas */
        background: transparent;
        padding: 12px 20px;
    }
    
    .diagnostic-btn--primary {
        order: 0; /* Bouton principal en haut */
    }
    
    /* Summary */
    .diagnostic-summary {
        padding: 20px 16px;
    }
    
    .diagnostic-summary__title {
        font-size: 1.25rem;
    }
    
    .diagnostic-summary__subtitle {
        font-size: 0.85rem;
    }
    
    .diagnostic-summary__item {
        padding: 12px 0;
        flex-direction: column;
        gap: 5px;
    }
    
    .diagnostic-summary__question {
        font-size: 0.8rem;
        padding-right: 0;
    }
    
    .diagnostic-summary__answer {
        font-size: 0.9rem;
        text-align: left;
    }
    
    .diagnostic-summary__disclaimer {
        padding: 12px 15px;
    }
    
    .diagnostic-summary__disclaimer p {
        font-size: 0.8rem;
    }
    
    /* Loading state */
    .diagnostic-loading {
        padding: 40px 20px;
    }
    
    .diagnostic-loading__animation {
        width: 60px;
        height: 60px;
    }
    
    .diagnostic-loading__title {
        font-size: 1.1rem;
    }
    
    .diagnostic-loading__text {
        font-size: 0.85rem;
    }
    
    .diagnostic-loading__steps {
        margin-top: 20px;
    }
    
    .diagnostic-loading__step {
        font-size: 0.8rem;
        padding: 6px 0;
    }
    
    /* =====================================================
       RESULTS PAGE - Mobile
       ===================================================== */
    .diagnostic-results {
        padding: 15px 12px;
    }
    
    .diagnostic-results__header {
        padding: 25px 15px;
        margin-bottom: 25px;
    }
    
    .diagnostic-results__title {
        font-size: 1.5rem;
    }
    
    .diagnostic-results__subtitle {
        font-size: 0.9rem;
    }
    
    /* Profile Card */
    .diagnostic-profile {
        padding: 20px 16px;
        margin-bottom: 20px;
    }
    
    .diagnostic-profile__header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
        padding-bottom: 20px;
        margin-bottom: 20px;
    }
    
    .diagnostic-profile__icon {
        width: 60px;
        height: 60px;
        font-size: 1.6rem;
    }
    
    .diagnostic-profile__info h2 {
        font-size: 1.2rem;
    }
    
    .diagnostic-profile__info p {
        font-size: 0.9rem;
    }
    
    .diagnostic-profile__summary {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .diagnostic-profile__tags {
        gap: 8px;
        justify-content: center;
    }
    
    .diagnostic-profile__tag {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    /* Routine */
    .diagnostic-routine {
        margin-bottom: 30px;
    }
    
    .diagnostic-routine__header {
        flex-direction: column;
        text-align: center;
        gap: 10px;
        margin-bottom: 20px;
    }
    
    .diagnostic-routine__icon {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
    
    .diagnostic-routine__title {
        font-size: 1.25rem;
    }
    
    .diagnostic-routine__advice {
        padding: 12px 15px;
        font-size: 0.85rem;
        margin-bottom: 20px;
    }
    
    /* Steps */
    .diagnostic-steps {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .diagnostic-step {
        padding: 18px 16px;
    }
    
    .diagnostic-step:hover {
        transform: none; /* Désactiver hover sur mobile */
    }
    
    .diagnostic-step__header {
        gap: 12px;
        margin-bottom: 15px;
    }
    
    .diagnostic-step__number {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
        flex-shrink: 0;
    }
    
    .diagnostic-step__name {
        font-size: 1rem;
        line-height: 1.3;
    }
    
    .diagnostic-step__scores {
        margin-bottom: 15px;
    }
    
    .diagnostic-score {
        margin-bottom: 12px;
    }
    
    .diagnostic-score__header {
        margin-bottom: 6px;
    }
    
    .diagnostic-score__label,
    .diagnostic-score__value {
        font-size: 0.8rem;
    }
    
    .diagnostic-score__bar {
        height: 6px;
    }
    
    .diagnostic-step__description {
        font-size: 0.85rem;
        margin-bottom: 12px;
    }
    
    .diagnostic-step__explanation {
        padding: 12px;
        font-size: 0.85rem;
        margin-bottom: 15px;
    }
    
    .diagnostic-step__products {
        margin-top: 15px;
        padding-top: 15px;
    }
    
    .diagnostic-step__products-title {
        font-size: 0.85rem;
        margin-bottom: 12px;
    }
    
    /* CTA */
    .diagnostic-cta {
        padding: 25px 20px;
        margin: 25px 0;
    }
    
    .diagnostic-cta__title {
        font-size: 1.2rem;
    }
    
    .diagnostic-cta__text {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .diagnostic-cta__btn {
        padding: 14px 30px;
        font-size: 1rem;
        width: 100%;
    }
    
    .diagnostic-cta__badges {
        flex-direction: column;
        align-items: center;
        gap: 10px;
        margin-top: 20px;
    }
    
    .diagnostic-cta__badge {
        font-size: 0.8rem;
    }
    
    /* Disclaimer */
    .diagnostic-disclaimer {
        padding: 15px;
        margin-top: 20px;
    }
    
    .diagnostic-disclaimer__icon {
        font-size: 1.2rem;
        margin-bottom: 8px;
    }
    
    .diagnostic-disclaimer__text {
        font-size: 0.8rem;
        line-height: 1.5;
    }
}

/* =====================================================
   MOBILE RESPONSIVE - Petits écrans (480px et moins)
   ===================================================== */
@media (max-width: 480px) {
    .diagnostic-quiz__title {
        font-size: 1.25rem;
    }
    
    .diagnostic-question__text {
        font-size: 1rem;
    }
    
    .diagnostic-option__icon {
        font-size: 1.3rem;
        min-width: 30px;
        margin-right: 10px;
    }
    
    .diagnostic-option__text {
        font-size: 0.85rem;
    }
    
    .diagnostic-btn {
        padding: 12px 18px;
        font-size: 0.9rem;
    }
    
    .diagnostic-results__title {
        font-size: 1.3rem;
    }
    
    .diagnostic-routine__title {
        font-size: 1.15rem;
    }
    
    .diagnostic-step__name {
        font-size: 0.95rem;
    }
    
    /* Ajustement produits WooCommerce */
    .diagnostic-step__products .products {
        grid-template-columns: 1fr !important;
    }
}

/* =====================================================
   Safe Area pour iPhone X et plus récents
   ===================================================== */
@supports (padding: env(safe-area-inset-bottom)) {
    .diagnostic-sticky-footer {
        padding-bottom: calc(15px + env(safe-area-inset-bottom));
    }
    
    .diagnostic-sticky-spacer {
        height: calc(140px + env(safe-area-inset-bottom));
    }
}

/* =====================================================
   Touch optimizations
   ===================================================== */
@media (hover: none) and (pointer: coarse) {
    /* Désactiver les effets hover pour les écrans tactiles */
    .diagnostic-option__label:hover,
    .diagnostic-step:hover,
    .diagnostic-btn:hover,
    .diagnostic-cta__btn:hover {
        transform: none;
        box-shadow: var(--diag-shadow);
    }
    
    /* Feedback visuel pour les taps */
    .diagnostic-option__label:active,
    .diagnostic-btn:active,
    .diagnostic-cta__btn:active {
        transform: scale(0.97);
        opacity: 0.9;
    }
    
    /* Taille de touche minimum recommandée (44px) */
    .diagnostic-option__label {
        min-height: 52px;
    }
    
    .diagnostic-btn {
        min-height: 48px;
    }
}

/* =====================================================
   Orientation Landscape sur mobile
   ===================================================== */
@media (max-width: 900px) and (orientation: landscape) {
    .diagnostic-loader {
        padding: 20px;
    }
    
    .diagnostic-loader__logo {
        width: 50px;
    }
    
    .diagnostic-loader__spinner {
        width: 35px;
        height: 35px;
        margin-top: 15px;
    }
    
    .diagnostic-quiz__header {
        padding: 15px;
        margin-bottom: 10px;
    }
    
    .diagnostic-question {
        padding: 15px;
    }
    
    .diagnostic-options {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .diagnostic-nav {
        flex-direction: row;
    }
    
    .diagnostic-btn--secondary {
        order: 0;
        width: auto;
    }
    
    .diagnostic-btn--primary {
        width: auto;
        flex: 1;
    }
}

/* =====================================================
   Print Styles
   ===================================================== */
@media print {
    .diagnostic-sticky-footer,
    .diagnostic-cta,
    .diagnostic-nav,
    .diagnostic-progress {
        display: none !important;
    }
    
    .diagnostic-wrapper {
        background: #fff;
    }
    
    .diagnostic-step {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }
    
    .diagnostic-question,
    .diagnostic-profile,
    .diagnostic-routine {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* =====================================================
   Produits Recommandés - Grille Améliorée v2.1
   ===================================================== */
.diagnostic-products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 15px;
}

@media (max-width: 992px) {
    .diagnostic-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .diagnostic-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}

.diagnostic-product-card {
    background: #fff;
    border-radius: var(--diag-radius-sm);
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    overflow: hidden;
    transition: var(--diag-transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.diagnostic-product-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--diag-shadow-hover);
}

.diagnostic-product-link {
    display: block;
    text-decoration: none;
    color: inherit;
    flex: 1;
}

.diagnostic-product-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--diag-bg-light);
}

.diagnostic-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.diagnostic-product-card:hover .diagnostic-product-image img {
    transform: scale(1.05);
}

.diagnostic-product-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: linear-gradient(135deg, var(--diag-primary) 0%, var(--diag-primary-dark) 100%);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 6px rgba(196, 116, 63, 0.3);
}

.diagnostic-product-info {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.diagnostic-product-name {
    font-size: 0.8rem;
    font-weight: 500;
    line-height: 1.3;
    color: var(--diag-text-dark);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.6em;
}

.diagnostic-product-price {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--diag-primary);
}

.diagnostic-product-price del {
    color: var(--diag-text-muted);
    font-weight: 400;
    font-size: 0.75rem;
    margin-right: 4px;
}

.diagnostic-product-price ins {
    text-decoration: none;
}

.diagnostic-product-reasons {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 4px;
}

.diagnostic-reason-tag {
    font-size: 0.6rem;
    background: var(--diag-bg-cream);
    color: var(--diag-primary-dark);
    padding: 2px 6px;
    border-radius: 10px;
    white-space: nowrap;
}

.diagnostic-add-to-cart-btn {
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, var(--diag-primary) 0%, var(--diag-primary-dark) 100%);
    color: #fff;
    border: none;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--diag-transition);
    margin-top: auto;
}

.diagnostic-add-to-cart-btn:hover {
    background: linear-gradient(135deg, var(--diag-primary-dark) 0%, var(--diag-primary) 100%);
}

.diagnostic-add-to-cart-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.diagnostic-no-products {
    text-align: center;
    color: var(--diag-text-muted);
    padding: 20px;
    font-style: italic;
    background: var(--diag-bg-light);
    border-radius: var(--diag-radius-sm);
}

/* =====================================================
   Conseils Supplémentaires
   ===================================================== */
.diagnostic-tips {
    background: linear-gradient(135deg, #fff9e6 0%, #fff5d6 100%);
    border-radius: var(--diag-radius);
    padding: 25px;
    margin-top: 30px;
    border: 1px solid #ffe082;
}

.diagnostic-tips__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--diag-text-dark);
    margin: 0 0 15px 0;
}

.diagnostic-tips__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.diagnostic-tips__item {
    position: relative;
    padding: 10px 0 10px 28px;
    border-bottom: 1px solid rgba(255, 224, 130, 0.5);
    color: #5d4e37;
    font-size: 0.9rem;
    line-height: 1.5;
}

.diagnostic-tips__item:last-child {
    border-bottom: none;
}

.diagnostic-tips__item::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 10px;
    color: #ff9800;
    font-weight: bold;
}

/* =====================================================
   Résumé de Routine
   ===================================================== */
.diagnostic-summary {
    background: linear-gradient(135deg, var(--diag-bg-cream) 0%, #fff 100%);
    border-radius: var(--diag-radius);
    padding: 25px;
    margin-top: 30px;
    border: 1px solid var(--diag-border);
    text-align: center;
}

.diagnostic-summary__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--diag-text-dark);
    margin: 0 0 20px 0;
}

.diagnostic-summary__stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.diagnostic-summary__stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.diagnostic-summary__stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--diag-primary);
}

.diagnostic-summary__stat-label {
    font-size: 0.8rem;
    color: var(--diag-text-muted);
    margin-top: 4px;
}

/* =====================================================
   Routine Header amélioré
   ===================================================== */
.diagnostic-routine__header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.diagnostic-routine__header-info {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.diagnostic-routine__duration {
    font-size: 0.85rem;
    color: var(--diag-text-muted);
    background: var(--diag-bg-light);
    padding: 5px 12px;
    border-radius: 20px;
}

/* =====================================================
   Step Header amélioré
   ===================================================== */
.diagnostic-step__header-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.diagnostic-step__frequency {
    font-size: 0.7rem;
    color: var(--diag-primary);
    background: var(--diag-accent);
    padding: 3px 10px;
    border-radius: 15px;
    font-weight: 500;
}

.diagnostic-step__tags-info {
    font-size: 0.7rem;
    color: var(--diag-text-muted);
    font-weight: 400;
}

/* =====================================================
   Profile Level Badge
   ===================================================== */
.diagnostic-profile__level {
    background: linear-gradient(135deg, var(--diag-primary) 0%, var(--diag-primary-dark) 100%);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}