/**
 * ================================================================
 * Scratch Card - Carte à gratter virtuelle (Mobile-First v3.27.0)
 * ================================================================
 *
 * Carte à gratter interactive avec canvas HTML5 et révélation de prix
 * Architecture mobile-first avec breakpoints progressifs
 *
 * @version 3.27.0
 */

/* ================================================================
   1. CSS VARIABLES
   ================================================================ */
:root {
    --cal-primary: #667eea; /* v3.9.4 - Fallback simplifié */
    --cal-secondary: #764ba2; /* v3.9.4 - Fallback simplifié */
    --cal-white: #FFFFFF;
    --cal-text: #2B3674;
    --cal-text-muted: #666666;
    --cal-gold: #FFD700;
    --cal-silver: #C0C0C0;
    --cal-bronze: #CD7F32;

    --scratch-gradient: linear-gradient(135deg, var(--cal-primary) 0%, var(--cal-secondary) 100%);
    --scratch-overlay: rgba(102, 126, 234, 0.95);
    --scratch-bg: #f8f9fa;
    --scratch-border: #e0e0e0;
    --scratch-progress-bg: #e9ecef;
    --scratch-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --scratch-shadow-hover: 0 6px 30px rgba(0, 0, 0, 0.15);

    --cal-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --cal-font-size-sm: 14px;
    --cal-font-size-base: 16px;
    --cal-font-size-lg: 18px;
    --cal-font-size-xl: 24px;
    --cal-font-size-2xl: 32px;
    --cal-font-size-3xl: 48px;

    --cal-spacing-xs: 8px;
    --cal-spacing-sm: 10px;
    --cal-spacing-md: 15px;
    --cal-spacing-lg: 20px;
    --cal-spacing-xl: 30px;
    --cal-spacing-2xl: 40px;

    --cal-radius-sm: 10px;
    --cal-radius-md: 15px;
    --cal-radius-lg: 20px;
    --cal-radius-xl: 25px;

    --cal-transition-base: 0.3s ease;
    --cal-transition-fast: 0.2s ease;
    --cal-transition-slow: 0.5s ease;
}

/* ================================================================
   2. CONTAINER
   ================================================================ */
.scratch-activity-container {
    max-width: 100%;
    margin: 0 auto;
    padding: var(--cal-spacing-md);
    font-family: var(--cal-font-family);
}

@media (min-width: 768px) {
    .scratch-activity-container {
        max-width: 800px;
        padding: var(--cal-spacing-lg);
    }
}

/* ================================================================
   3. COMPLETED STATE
   ================================================================ */
.scratch-completed-state {
    background: var(--scratch-gradient);
    border-radius: var(--cal-radius-lg);
    padding: var(--cal-spacing-xl);
    color: var(--cal-white);
    text-align: center;
}

@media (min-width: 768px) {
    .scratch-completed-state {
        padding: var(--cal-spacing-2xl);
    }
}

.completion-icon {
    font-size: 60px;
    margin-bottom: var(--cal-spacing-md);
    animation: bounceIn 0.6s ease;
}

@media (min-width: 768px) {
    .completion-icon {
        font-size: 80px;
    }
}

@keyframes bounceIn {
    0% { transform: scale(0) translate3d(0, 0, 0); }
    50% { transform: scale(1.2) translate3d(0, 0, 0); }
    100% { transform: scale(1) translate3d(0, 0, 0); }
}

.completion-header h3 {
    font-size: var(--cal-font-size-xl);
    margin: 0 0 var(--cal-spacing-xl) 0;
    font-weight: 700;
}

@media (min-width: 768px) {
    .completion-header h3 {
        font-size: 28px;
    }
}

/* ================================================================
   4. REVEALED CONTENT
   ================================================================ */
.revealed-content-final {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--cal-radius-md);
    padding: var(--cal-spacing-xl);
    margin: var(--cal-spacing-lg) 0;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 768px) {
    .revealed-content-final {
        padding: var(--cal-spacing-2xl);
    }
}

.reward-display {
    text-align: center;
    width: 100%;
}

.reward-label {
    font-size: var(--cal-font-size-xl);
    font-weight: 700;
    margin-bottom: var(--cal-spacing-lg);
    line-height: 1.4;
    color: var(--cal-white);
}

@media (min-width: 768px) {
    .reward-label {
        font-size: var(--cal-font-size-2xl);
    }
}

/* Modal specific sizing */
#day-modal .reward-label {
    font-size: 20px;
}

.points-earned {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--cal-spacing-md);
    margin-top: var(--cal-spacing-lg);
}

.points-icon {
    font-size: 50px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1) translate3d(0, 0, 0); }
    50% { transform: scale(1.1) translate3d(0, 0, 0); }
}

.points-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--cal-gold);
    text-shadow: 0 2px 10px rgba(255, 215, 0, 0.5);
}

@media (min-width: 768px) {
    .points-value {
        font-size: 42px;
    }
}

/* Modal specific sizing */
#day-modal .points-earned .points-value {
    font-size: 30px;
}

.revealed-text {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .revealed-text {
        font-size: var(--cal-font-size-xl);
    }
}

.revealed-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--cal-radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ================================================================
   5. CODE DISPLAY
   ================================================================ */
.revealed-code,
.hidden-code {
    text-align: center;
}

.code-label {
    font-size: var(--cal-font-size-base);
    margin-bottom: var(--cal-spacing-md);
    opacity: 0.9;
}

@media (min-width: 768px) {
    .code-label {
        font-size: var(--cal-font-size-lg);
    }
}

.hidden-code .code-label {
    font-size: var(--cal-font-size-lg);
    margin-bottom: var(--cal-spacing-lg);
}

@media (min-width: 768px) {
    .hidden-code .code-label {
        font-size: 20px;
    }
}

.code-value {
    font-size: 28px;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    background: rgba(255, 255, 255, 0.2);
    padding: var(--cal-spacing-md) var(--cal-spacing-lg);
    border-radius: var(--cal-radius-md);
    margin: var(--cal-spacing-md) 0;
    letter-spacing: 2px;
}

@media (min-width: 768px) {
    .code-value {
        font-size: 36px;
        padding: var(--cal-spacing-lg) var(--cal-spacing-xl);
        letter-spacing: 3px;
    }
}

.hidden-code .code-value {
    font-size: var(--cal-font-size-2xl);
    padding: var(--cal-spacing-lg) var(--cal-spacing-xl);
}

@media (min-width: 768px) {
    .hidden-code .code-value {
        font-size: 40px;
        padding: 25px 35px;
        letter-spacing: 4px;
    }
}

.copy-code-btn {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    color: var(--cal-white);
    border: none;
    padding: var(--cal-spacing-md) var(--cal-spacing-xl);
    border-radius: var(--cal-radius-xl);
    font-size: var(--cal-font-size-base);
    font-weight: 600;
    cursor: pointer;
    margin-top: var(--cal-spacing-md);
    transition: all var(--cal-transition-base);
    min-height: 56px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
}

.copy-code-btn:hover {
    transform: translateY(-2px) translate3d(0, 0, 0);
    box-shadow: 0 6px 20px rgba(250, 112, 154, 0.4);
}

@media (hover: none) {
    .copy-code-btn:active {
        opacity: 0.85;
        transform: scale(0.98) translate3d(0, 0, 0);
    }
}

.scratch-info {
    margin-top: var(--cal-spacing-lg);
    opacity: 0.9;
}

.scratch-info p {
    margin: 0;
    font-size: var(--cal-font-size-sm);
}

/* ================================================================
   6. GAME STATE
   ================================================================ */
.scratch-game-state {
    background: var(--cal-white);
    border-radius: var(--cal-radius-lg);
    box-shadow: var(--scratch-shadow);
    overflow: hidden;
}

/* ================================================================
   7. INSTRUCTIONS
   ================================================================ */
.scratch-instructions {
    background: var(--scratch-gradient);
    padding: var(--cal-spacing-lg);
    text-align: center;
    color: var(--cal-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--cal-spacing-sm);
}

@media (min-width: 768px) {
    .scratch-instructions {
        padding: 25px;
        flex-direction: row;
        gap: var(--cal-spacing-md);
    }
}

.instruction-icon {
    font-size: var(--cal-font-size-2xl);
    animation: pulse 2s ease-in-out infinite;
}

@media (min-width: 768px) {
    .instruction-icon {
        font-size: 40px;
    }
}

.instruction-text {
    font-size: var(--cal-font-size-base);
    font-weight: 600;
}

@media (min-width: 768px) {
    .instruction-text {
        font-size: var(--cal-font-size-lg);
    }
}

/* ================================================================
   8. SCRATCH CARD
   ================================================================ */
.scratch-card-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
    height: 300px;
    margin: var(--cal-spacing-lg) auto;
    border-radius: var(--cal-radius-md);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

@media (min-width: 768px) {
    .scratch-card-wrapper {
        height: 400px;
        margin: var(--cal-spacing-xl) auto;
    }
}

.scratch-hidden-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--scratch-gradient);
    color: var(--cal-white);
    z-index: 1;
}

.hidden-text {
    font-size: 22px;
    font-weight: 700;
    text-align: center;
    padding: var(--cal-spacing-lg);
    line-height: 1.6;
}

@media (min-width: 768px) {
    .hidden-text {
        font-size: 28px;
        padding: var(--cal-spacing-2xl);
    }
}

.hidden-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--cal-spacing-lg);
}

.hidden-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--cal-radius-md);
}

.hidden-code {
    padding: var(--cal-spacing-lg);
}

.scratch-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: grab;
    z-index: 2;
    touch-action: none;
}

.scratch-canvas:active {
    cursor: grabbing;
}

/* ================================================================
   9. PROGRESS
   ================================================================ */
.scratch-progress {
    padding: var(--cal-spacing-lg);
    text-align: center;
}

@media (min-width: 768px) {
    .scratch-progress {
        padding: var(--cal-spacing-xl);
    }
}

.progress-label {
    font-size: var(--cal-font-size-base);
    font-weight: 600;
    color: #475569;
    margin-bottom: var(--cal-spacing-md);
}

.progress-bar-container {
    background: var(--scratch-progress-bg);
    border-radius: var(--cal-radius-xl);
    height: 25px;
    overflow: hidden;
    margin-bottom: var(--cal-spacing-sm);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
    .progress-bar-container {
        height: 30px;
    }
}

.progress-bar {
    background: linear-gradient(90deg, var(--cal-primary) 0%, var(--cal-secondary) 100%);
    height: 100%;
    border-radius: var(--cal-radius-xl);
    transition: width var(--cal-transition-base);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
    transform: translate3d(0, 0, 0);
}

.progress-percentage {
    font-size: 20px;
    font-weight: 700;
    color: var(--cal-primary);
}

/* ================================================================
   10. SUCCESS OVERLAY
   ================================================================ */
.scratch-success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--cal-spacing-lg);
}

.scratch-success-content {
    background: var(--cal-white);
    border-radius: var(--cal-radius-xl);
    padding: var(--cal-spacing-2xl) var(--cal-spacing-xl);
    text-align: center;
    max-width: 500px;
    width: 100%;
    position: relative;
    animation: successPop 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transform: translate3d(0, 0, 0);
}

@media (min-width: 768px) {
    .scratch-success-content {
        padding: 60px 50px;
    }
}

@keyframes successPop {
    0% {
        transform: scale(0.5) translate3d(0, 0, 0);
        opacity: 0;
    }
    100% {
        transform: scale(1) translate3d(0, 0, 0);
        opacity: 1;
    }
}

.success-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--cal-primary);
    top: -20px;
    opacity: 0;
    animation: confettiFall 3s ease-in-out forwards;
}

.confetti:nth-child(1) { background: var(--cal-primary); }
.confetti:nth-child(2) { background: #f093fb; width: 12px; height: 12px; }
.confetti:nth-child(3) { background: #4facfe; }
.confetti:nth-child(4) { background: #43e97b; width: 8px; height: 8px; }
.confetti:nth-child(5) { background: #fa709a; }

@keyframes confettiFall {
    0% {
        top: -20px;
        opacity: 0;
        transform: rotate(0deg) translate3d(0, 0, 0);
    }
    10% {
        opacity: 1;
    }
    100% {
        top: 100%;
        opacity: 0;
        transform: rotate(720deg) translate3d(0, 0, 0);
    }
}

.success-icon {
    font-size: 80px;
    margin-bottom: var(--cal-spacing-lg);
    animation: bounceIn 0.8s ease;
}

@media (min-width: 768px) {
    .success-icon {
        font-size: 100px;
    }
}

.success-title {
    font-size: 28px;
    margin-bottom: var(--cal-spacing-md);
    color: #1e293b;
    font-weight: 700;
}

@media (min-width: 768px) {
    .success-title {
        font-size: var(--cal-font-size-2xl);
    }
}

.success-message {
    font-size: var(--cal-font-size-base);
    color: #64748b;
    margin-bottom: var(--cal-spacing-xl);
}

@media (min-width: 768px) {
    .success-message {
        font-size: var(--cal-font-size-lg);
    }
}

.success-close-btn {
    background: var(--scratch-gradient);
    color: var(--cal-white);
    border: none;
    padding: var(--cal-spacing-lg) var(--cal-spacing-2xl);
    border-radius: var(--cal-radius-xl);
    font-size: var(--cal-font-size-lg);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--cal-transition-base);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    min-height: 56px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

.success-close-btn:hover {
    transform: translateY(-3px) translate3d(0, 0, 0);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.6);
}

@media (hover: none) {
    .success-close-btn:active {
        opacity: 0.85;
        transform: scale(0.98) translate3d(0, 0, 0);
    }
}