/* ========================================
   LOOM BY LINEE - MODERN QUIZ STYLES
   Font: Kanit
   Theme: Light Blue - Clean & Fresh
   Primary: Light Blue (#DFF3FF - #A9D8FF)
   Accent: Medium Blue (#266DCA - #004AAD)
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-light-blue: #DFF3FF;
    --primary-blue: #A9D8FF;
    --primary-medium-blue: #266DCA;
    --primary-dark-blue: #004AAD;
    --accent-blue: #266DCA;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --text-light: #999999;
    --bg-white: #ffffff;
    --bg-light-gray: #F2F6FA;
    --bg-lighter-gray: #E9EEF3;
    --bg-light-blue: #DFF3FF;
    --shadow-sm: 0 2px 8px rgba(38, 109, 202, 0.08);
    --shadow-md: 0 4px 16px rgba(38, 109, 202, 0.12);
    --shadow-lg: 0 8px 32px rgba(38, 109, 202, 0.15);
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
}

body {
    font-family: 'Prompt', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--primary-light-blue) 0%, var(--primary-blue) 100%);
    min-height: 100vh;
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

/* ========================================
   PAGE TRANSITIONS
   ======================================== */

.page {
    display: none;
    width: 100%;
    max-width: 680px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.page.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-wrapper {
    max-width: 100%;
}

/* ========================================
   LANDING PAGE
   ======================================== */

.brand-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    animation: fadeIn 0.8s ease-out;
}

.brand-logo {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-medium-blue), var(--primary-dark-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xs);
}

.by-linee {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-gray);
    display: block;
    margin-top: var(--spacing-xs);
}

.tagline {
    font-size: 1rem;
    color: var(--text-gray);
    font-weight: 400;
    margin-top: var(--spacing-sm);
}

.hero-section {
    text-align: center;
}

.hero-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

.time-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(38, 109, 202, 0.1), rgba(169, 216, 255, 0.2));
    color: var(--primary-medium-blue);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: var(--spacing-xs);
}

/* ========================================
   HERO IMAGE WITH SPARKLES
   ======================================== */

.product-showcase {
    margin: var(--spacing-xl) 0;
    display: flex;
    justify-content: center;
}

.hero-image-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(38, 109, 202, 0.2);
}

.hero-smile-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

@keyframes gentleFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.sparkle-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.sparkle {
    position: absolute;
    font-size: 1.5rem;
    animation: sparkleFloat 2s ease-in-out infinite;
    opacity: 0;
}

.sp-1 {
    top: 10%;
    right: 15%;
    animation-delay: 0s;
}

.sp-2 {
    top: 50%;
    right: 5%;
    animation-delay: 0.5s;
}

.sp-3 {
    bottom: 20%;
    right: 20%;
    animation-delay: 1s;
}

.sp-4 {
    top: 30%;
    left: 10%;
    animation-delay: 1.5s;
}

@keyframes sparkleFloat {
    0%, 100% {
        opacity: 0;
        transform: translateY(0) scale(0.8);
    }
    50% {
        opacity: 1;
        transform: translateY(-20px) scale(1);
    }
}

/* ========================================
   TRUST BADGES
   ======================================== */

.trust-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-gray);
    font-weight: 400;
}

.badge-check {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* ========================================
   PRIMARY BUTTON
   ======================================== */

.primary-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-medium-blue), var(--primary-dark-blue));
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: 18px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: 'Prompt', sans-serif;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 16px rgba(38, 109, 202, 0.3);
    margin: var(--spacing-md) 0;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(38, 109, 202, 0.4);
}

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

.primary-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.primary-btn svg {
    transition: transform 0.3s ease;
}

.primary-btn:hover svg {
    transform: translateX(4px);
}

/* Loading Spinner for Button */
.btn-loading-spinner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 8px;
}

.btn-loading-spinner svg {
    animation: spin 1s linear infinite;
}

/* Disable hover effect when button is disabled or submitting */
.primary-btn:disabled:hover {
    transform: none;
    box-shadow: 0 4px 16px rgba(38, 109, 202, 0.2);
}

/* LINE Button - Green */
.line-btn {
    background: linear-gradient(135deg, #06C755, #00B900) !important;
    box-shadow: 0 4px 16px rgba(6, 199, 85, 0.3);
}

.line-btn:hover {
    background: linear-gradient(135deg, #00B900, #009D00) !important;
    box-shadow: 0 8px 24px rgba(6, 199, 85, 0.5);
    transform: translateY(-2px);
}

.line-btn svg {
    flex-shrink: 0;
}

/* ========================================
   SOCIAL PROOF
   ======================================== */

.social-proof {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.avatars {
    display: flex;
    align-items: center;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid white;
    margin-left: -12px;
    overflow: hidden;
}

.avatar:first-child {
    margin-left: 0;
}

.avatar svg {
    width: 100%;
    height: 100%;
}

.avatar-count {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-medium-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: -12px;
    border: 3px solid white;
}

.social-proof p {
    color: var(--text-gray);
    font-size: 0.95rem;
    font-weight: 300;
}

/* ========================================
   QUIZ SECTION
   ======================================== */

.quiz-progress {
    background: var(--bg-light-blue);
    padding: var(--spacing-md);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    margin: calc(var(--spacing-xl) * -1) calc(var(--spacing-lg) * -1) var(--spacing-lg);
}

@media (max-width: 768px) {
    .quiz-progress {
        margin: calc(var(--spacing-lg) * -1) calc(var(--spacing-md) * -1) var(--spacing-md);
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .progress-text {
        font-size: 0.9rem;
    }
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(169, 216, 255, 0.3);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-medium-blue), var(--primary-dark-blue));
    border-radius: 999px;
    transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.progress-text {
    text-align: center;
    color: var(--primary-medium-blue);
    font-size: 0.95rem;
    font-weight: 500;
}

.back-btn {
    background: none;
    border: none;
    color: var(--text-gray);
    font-size: 1rem;
    font-family: 'Prompt', sans-serif;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    margin-bottom: var(--spacing-md);
}

.back-btn:hover {
    background: var(--bg-light-gray);
    color: var(--primary-medium-blue);
}

.quiz-content {
    padding: var(--spacing-md) 0;
}

.question-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.3;
}

.quiz-helper-text {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.quiz-helper-text p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-gray);
    font-weight: 300;
}

.answers-grid {
    display: grid;
    gap: var(--spacing-sm);
}

.answer-card {
    background: var(--bg-light-gray);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--text-dark);
    text-align: left;
    min-height: 60px;
    display: flex;
    align-items: center;
}

.answer-card:hover {
    background: var(--bg-light-blue);
    border-color: var(--primary-medium-blue);
    transform: translateX(4px);
}

.answer-card.selected {
    background: linear-gradient(135deg, rgba(38, 109, 202, 0.1), rgba(169, 216, 255, 0.15));
    border-color: var(--primary-medium-blue);
    color: var(--primary-medium-blue);
    font-weight: 500;
}

/* ========================================
   PRODUCT RECOMMENDATION
   ======================================== */

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

.highlight {
    color: var(--primary-medium-blue);
    font-weight: 500;
}

.product-card-large {
    background: linear-gradient(135deg, var(--bg-light-blue), white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    position: relative;
    border: 2px solid rgba(169, 216, 255, 0.4);
    margin: var(--spacing-lg) 0;
}

.product-badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-medium-blue), var(--primary-dark-blue));
    color: white;
    padding: 6px 20px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: var(--shadow-md);
}

.product-image {
    display: flex;
    justify-content: center;
    margin: var(--spacing-lg) 0;
}

.product-placeholder {
    width: 160px;
    height: 240px;
}

.product-mockup {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.15));
}

.product-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.product-match {
    text-align: center;
    color: var(--text-gray);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.product-benefits {
    display: grid;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.benefit {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.benefit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.product-price {
    text-align: center;
    margin: var(--spacing-lg) 0;
}

.price-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 4px;
}

.price-value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-medium-blue);
}

/* ========================================
   PHOTO UPLOAD
   ======================================== */

.upload-zone {
    margin: var(--spacing-lg) 0;
}

.upload-placeholder {
    border: 3px dashed #ccc;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-placeholder:hover {
    border-color: var(--primary-medium-blue);
    background: var(--bg-light-blue);
}

.upload-placeholder.drag-over {
    border-color: var(--primary-dark-blue);
    background: linear-gradient(135deg, rgba(223, 243, 255, 0.5), rgba(169, 216, 255, 0.3));
}

.upload-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
}

.upload-placeholder h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.upload-placeholder p {
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
}

.upload-guidelines {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.guideline {
    font-size: 0.85rem;
    color: var(--text-light);
}

.photo-preview {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.photo-preview img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
}

.change-photo-btn {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    background: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-family: 'Prompt', sans-serif;
    font-weight: 500;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.change-photo-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.privacy-note {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--text-gray);
    margin: var(--spacing-md) 0;
    padding: var(--spacing-sm);
    background: var(--bg-light-gray);
    border-radius: var(--radius-sm);
}

.btn-loading {
    display: flex;
    align-items: center;
    gap: 12px;
}

.spinner {
    width: 20px;
    height: 20px;
    display: inline-block;
    animation: spin 1s linear infinite;
    -webkit-animation: spin 1s linear infinite;
    will-change: transform;
    transform-origin: center center;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
        -webkit-transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
    }
}

@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

/* ========================================
   GAMIFICATION BADGES
   ======================================== */

.confetti-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: radial-gradient(circle at 50% 50%, rgba(169, 216, 255, 0.2) 0%, transparent 50%);
    animation: pulse 2s ease-in-out infinite;
}

.celebration-title {
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.celebration-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.05rem;
    margin-bottom: var(--spacing-xl);
}

.badges-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.badge-unlock {
    background: linear-gradient(135deg, var(--bg-light-blue), white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    border: 2px solid rgba(169, 216, 255, 0.5);
    animation: badgeAppear 0.6s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.badge-unlock:nth-child(1) { animation-delay: 0.1s; }
.badge-unlock:nth-child(2) { animation-delay: 0.3s; }
.badge-unlock:nth-child(3) { animation-delay: 0.5s; }

@keyframes badgeAppear {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.badge-icon-large {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.badge-unlock h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.badge-unlock p {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.5;
}

.journey-tracker {
    background: var(--bg-light-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.journey-tracker h4 {
    text-align: center;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.journey-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.step {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-light);
}

.step span {
    display: block;
    width: 40px;
    height: 40px;
    margin: 0 auto var(--spacing-xs);
    border-radius: 50%;
    background: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.step.completed span {
    background: linear-gradient(135deg, var(--primary-medium-blue), var(--primary-dark-blue));
    color: white;
}

.step.active span {
    background: var(--primary-blue);
}

/* ========================================
   SHADE RESULTS - MODERN DESIGN
   ======================================== */

.stats-card {
    background: linear-gradient(135deg, rgba(169, 216, 255, 0.15), rgba(223, 243, 255, 0.1));
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    margin: var(--spacing-lg) 0;
    border: 2px solid rgba(169, 216, 255, 0.3);
}

.stats-card p {
    font-size: 1rem;
    color: var(--text-dark);
}

.stats-card strong {
    color: var(--primary-medium-blue);
    font-weight: 600;
}

.shade-comparison {
    margin: var(--spacing-xl) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Modern Shade Scale Container */
.shade-scale-container {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.shade-scale-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.shade-scale-header h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.scale-description {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin: 0;
}

.shade-scale-wrapper {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.shade-bar-modern {
    display: flex;
    flex-direction: row-reverse;
    gap: 6px;
    height: 70px;
    margin-bottom: var(--spacing-xl);
    padding: 0 8px;
}

.shade-item-modern {
    flex: 1;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.shade-item-modern:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.shade-item-modern.current {
    box-shadow: 0 0 0 3px var(--primary-medium-blue), 0 6px 20px rgba(38, 109, 202, 0.4);
    transform: translateY(-6px) scale(1.05);
    z-index: 2;
}

.shade-item-modern.goal {
    box-shadow: 0 0 0 3px rgba(169, 216, 255, 0.8), 0 6px 20px rgba(169, 216, 255, 0.3);
    transform: translateY(-6px) scale(1.05);
    z-index: 1;
}

/* Shade Tooltip */
.shade-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
    z-index: 10;
}

.shade-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
}

.shade-item-modern:hover .shade-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(-12px);
}

.tooltip-number {
    font-weight: 600;
    margin-right: 4px;
}

.tooltip-name {
    font-weight: 300;
}

/* Legend */
.shade-legend {
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--text-gray);
}

.legend-marker {
    width: 20px;
    height: 20px;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.legend-marker.lightest {
    background: rgb(255, 254, 248);
    border: 1px solid #e0e0e0;
}

.legend-marker.darkest {
    background: rgb(255, 201, 104);
}

/* Shade Result Card - Clean Minimal Design */
.shade-result-card {
    background: linear-gradient(135deg, rgba(38, 109, 202, 0.05), rgba(169, 216, 255, 0.05));
    border-radius: 20px;
    padding: var(--spacing-lg);
    margin: 0;
    margin-bottom: 2px;
}

.shade-result-card:last-of-type {
    margin-bottom: 0;
}

.shade-result-card.goal-result-card {
    background: linear-gradient(135deg, rgba(169, 216, 255, 0.08), rgba(223, 243, 255, 0.05));
}

.result-label {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.result-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.shade-circle-result {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.shade-number-result {
    font-size: 1.8rem;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.5);
    text-shadow: 0 2px 4px rgba(255, 255, 255, 0.8);
}

.shade-text-result {
    flex: 1;
}

.shade-level {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 4px 0;
}

.shade-name-result {
    font-size: 0.95rem;
    color: var(--text-gray);
    margin: 0;
}

/* Prediction Timeline */
.prediction-timeline {
    background: linear-gradient(135deg, rgba(169, 216, 255, 0.2), rgba(223, 243, 255, 0.15));
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-lg);
    align-items: center;
    border: 2px solid rgba(169, 216, 255, 0.4);
}

.timeline-icon {
    font-size: 3rem;
}

.timeline-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    font-size: 0.95rem;
    color: var(--text-dark);
    line-height: 1.6;
    margin: 0;
}

.timeline-progress {
    flex-shrink: 0;
}

.progress-ring {
    position: relative;
    width: 60px;
    height: 60px;
}

.progress-ring svg {
    transform: rotate(-90deg);
}

.progress-percentage {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-medium-blue);
    text-align: center;
    line-height: 1.2;
    display: flex;
    flex-direction: column;
}

.progress-percentage small {
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--text-gray);
}

/* ========================================
   CHECKOUT FORM
   ======================================== */

/* Compact Badges Section (at top of checkout) */
.badges-section-compact {
    background: linear-gradient(135deg, rgba(169, 216, 255, 0.15), rgba(223, 243, 255, 0.1));
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border: 2px solid rgba(169, 216, 255, 0.3);
}

.badge-reveal-header-compact {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.celebration-title-compact {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.celebration-subtitle-compact {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin: 0;
}

.badges-grid-compact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.badge-card-compact {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.badge-card-compact:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(38, 109, 202, 0.15);
    border-color: var(--primary-blue);
}

.badge-icon-compact {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.badge-card-compact h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.badge-card-compact p {
    font-size: 0.8rem;
    color: var(--text-gray);
    line-height: 1.4;
    margin: 0;
}

.checkout-form {
    margin: var(--spacing-lg) 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-field {
    margin-bottom: var(--spacing-md);
}

.form-field label {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: 'Prompt', sans-serif;
    transition: all 0.3s ease;
}

.form-field textarea {
    resize: vertical;
    min-height: 60px;
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--primary-medium-blue);
    box-shadow: 0 0 0 3px rgba(38, 109, 202, 0.1);
}

.address-section {
    margin: var(--spacing-lg) 0;
    padding-top: var(--spacing-lg);
    border-top: 1px solid #e0e0e0;
}

.section-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.consent-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin: var(--spacing-md) 0;
}

.consent-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
    cursor: pointer;
}

.consent-checkbox label {
    font-size: 0.9rem;
    color: var(--text-gray);
    cursor: pointer;
    line-height: 1.5;
}

/* ========================================
   BADGES GAMIFICATION PAGE
   ======================================== */

.badge-animation {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.celebration-confetti {
    font-size: 4rem;
    animation: bounce 0.6s ease-in-out infinite alternate;
}

@keyframes bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-20px); }
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.badge-card {
    background: white;
    border: 2px solid var(--primary-blue);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    animation: fadeInUp 0.5s ease-out forwards;
    opacity: 0;
}

.badge-card:nth-child(1) { animation-delay: 0.1s; }
.badge-card:nth-child(2) { animation-delay: 0.2s; }
.badge-card:nth-child(3) { animation-delay: 0.3s; }

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

.badge-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(38, 109, 202, 0.15);
    border-color: var(--primary-medium-blue);
}

.badge-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.badge-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.badge-card p {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.5;
}

.journey-progress {
    background: var(--bg-light-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.journey-progress h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.journey-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.journey-step {
    text-align: center;
    padding: var(--spacing-sm);
}

.step-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--spacing-xs);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    transition: all 0.3s ease;
}

.journey-step.completed .step-icon {
    background: linear-gradient(135deg, var(--primary-medium-blue), var(--primary-dark-blue));
    color: white;
}

.journey-step.pending .step-icon {
    background: #e0e0e0;
    color: var(--text-gray);
}

.journey-step p {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin: 0;
}

.journey-step.completed p {
    color: var(--primary-medium-blue);
    font-weight: 600;
}

/* ========================================
   FINAL SUCCESS PAGE
   ======================================== */

.success-animation {
    text-align: center;
    margin: var(--spacing-lg) 0;
}

.success-checkmark {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--primary-medium-blue), var(--primary-dark-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    animation: scaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.discount-reveal {
    background: linear-gradient(135deg, rgba(169, 216, 255, 0.15), rgba(223, 243, 255, 0.1));
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    margin: var(--spacing-lg) 0;
    border: 2px solid rgba(169, 216, 255, 0.3);
}

.discount-reveal > p:first-child {
    font-size: 0.95rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-sm);
}

.discount-code {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.code {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-medium-blue);
    letter-spacing: 2px;
}

.copy-btn {
    background: var(--primary-medium-blue);
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    font-family: 'Prompt', sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.discount-note {
    font-size: 0.9rem;
    color: var(--text-gray);
}

.share-card {
    background: var(--bg-light-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.share-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.share-card > p {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
}

.share-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Prompt', sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.share-btn.line {
    background: #06C755;
    color: white;
}

.share-btn.facebook {
    background: #1877F2;
    color: white;
}

.share-btn.copy {
    background: var(--text-dark);
    color: white;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.secondary-actions {
    text-align: center;
    margin-top: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.secondary-actions a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.secondary-actions a:hover {
    color: var(--primary-medium-blue);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .app-container {
        padding: var(--spacing-xs);
    }

    .page {
        padding: var(--spacing-md);
    }

    .content-wrapper {
        padding: var(--spacing-md);
    }

    .brand-logo {
        font-size: 2.5rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-image-container {
        max-width: 400px;
        margin: 0 auto;
    }

    .trust-badges {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .question-title {
        font-size: 1.3rem;
        line-height: 1.4;
    }

    .answers-grid {
        gap: var(--spacing-sm);
    }

    .answer-card {
        padding: var(--spacing-md);
        font-size: 0.95rem;
    }

    .back-btn {
        font-size: 0.9rem;
        padding: 6px 12px;
        margin-bottom: var(--spacing-sm);
    }

    .badges-container {
        grid-template-columns: 1fr;
    }

    .product-card-large {
        padding: var(--spacing-md);
    }

    .product-image img {
        max-height: 350px !important;
    }

    .benefit {
        font-size: 0.9rem;
    }

    .journey-steps {
        gap: 4px;
    }

    .step {
        font-size: 0.75rem;
    }

    .step span {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .share-buttons {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .badges-grid {
        grid-template-columns: 1fr;
    }

    .journey-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    /* Shade Scale Responsive */
    .shade-result-card {
        padding: var(--spacing-md);
    }

    .shade-circle-result {
        width: 56px;
        height: 56px;
    }

    .shade-number-result {
        font-size: 1.6rem;
    }

    .shade-level {
        font-size: 1.3rem;
    }

    .shade-name-result {
        font-size: 0.85rem;
    }

    .shade-bar-modern {
        height: 50px;
        gap: 4px;
    }

    .prediction-timeline {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .timeline-progress {
        justify-self: center;
    }

    /* Compact Badges Responsive */
    .badges-grid-compact {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .badge-card-compact {
        padding: var(--spacing-sm);
    }

    .badge-icon-compact {
        font-size: 1.5rem;
    }

    .celebration-title-compact {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .page {
        padding: var(--spacing-sm);
    }

    .content-wrapper {
        padding: var(--spacing-sm);
    }

    .brand-logo {
        font-size: 1.8rem;
    }

    .hero-title {
        font-size: 1.4rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    .question-title {
        font-size: 1.2rem;
    }

    .answer-card {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }

    .product-name {
        font-size: 1.2rem;
    }

    .primary-btn {
        padding: 16px 24px;
        font-size: 1rem;
    }

    .upload-placeholder h3 {
        font-size: 1rem;
    }

    .upload-placeholder p {
        font-size: 0.85rem;
    }

    .product-image img {
        max-height: 300px !important;
    }

    .form-field label {
        font-size: 0.9rem;
    }

    .form-field input,
    .form-field select {
        font-size: 0.9rem;
        padding: 12px;
    }

    /* Shade Result Card Extra Small */
    .shade-result-card {
        padding: var(--spacing-sm);
    }

    .result-label {
        font-size: 0.8rem;
    }

    .shade-circle-result {
        width: 52px;
        height: 52px;
    }

    .shade-number-result {
        font-size: 1.5rem;
    }

    .shade-level {
        font-size: 1.2rem;
    }

    .shade-name-result {
        font-size: 0.8rem;
    }
}