/**
 * ================================================================
 * Memory Game - Jeu de mémoire avec cartes (Mobile-First v3.22.0)
 * ================================================================
 *
 * Jeu de mémoire avec cartes retournables, statistiques temps réel,
 * leaderboard et overlay de succès animé
 * Architecture mobile-first avec breakpoints progressifs
 *
 * @version 3.22.0
 */

/* ================================================================
   1. CSS VARIABLES
   ================================================================ */
:root {
    --cal-primary: #667eea; /* v3.9.4 - Fallback simplifié */
    --cal-secondary: #764ba2; /* v3.9.4 - Fallback simplifié */
    --cal-success: #05cd99 /* v3.9.5 - Fallback simplifié */;
    --cal-gold: #FFD700; /* v3.9.4 - Fallback simplifié */
    --cal-white: #FFFFFF;
    --cal-text: #2B3674;
    --cal-text-muted: #718096;
    --cal-text-light: #A0AEC0;

    --memory-gradient: linear-gradient(135deg, var(--cal-primary) 0%, var(--cal-secondary) 100%);
    --memory-success-gradient: linear-gradient(135deg, var(--cal-success) 0%, #00b894 100%);
    --memory-gold-gradient: linear-gradient(135deg, var(--cal-gold) 0%, #FFA500 100%);
    --memory-silver-gradient: linear-gradient(135deg, #C0C0C0 0%, #A8A8A8 100%);
    --memory-bronze-gradient: linear-gradient(135deg, #CD7F32 0%, #B87333 100%);
    --memory-bg-light: #F4F7FE;
    --memory-bg-card: #E9EDF7;
    --memory-border: #E9EDF7;
    --memory-matched: #05cd99;

    --cal-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --cal-font-size-sm: 13px;
    --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-spacing-3xl: 50px;

    --cal-shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --cal-shadow-md: 0 4px 15px rgba(0, 0, 0, 0.08);
    --cal-shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.1);
    --cal-shadow-button: 0 4px 15px rgba(102, 126, 234, 0.3);
    --cal-shadow-button-hover: 0 8px 25px rgba(102, 126, 234, 0.4);
    --cal-shadow-card: 0 8px 30px rgba(102, 126, 234, 0.4);

    --cal-radius-sm: 10px;
    --cal-radius-md: 12px;
    --cal-radius-lg: 16px;
    --cal-radius-xl: 20px;
    --cal-radius-2xl: 24px;
    --cal-radius-full: 9999px;

    --cal-transition-base: 0.3s ease;
    --cal-transition-slow: 0.6s ease;
}

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

@media (min-width: 768px) {
    .memory-game-container {
        max-width: 900px;
    }
}

/* ================================================================
   3. HEADER
   ================================================================ */
.memory-game-header {
    text-align: center;
    margin-bottom: var(--cal-spacing-xl);
}

.memory-game-header h2 {
    font-size: var(--cal-font-size-xl);
    color: var(--cal-text);
    margin: 0 0 var(--cal-spacing-md) 0;
    font-weight: 700;
}

@media (min-width: 768px) {
    .memory-game-header h2 {
        font-size: var(--cal-font-size-2xl);
    }
}

.memory-instructions {
    font-size: var(--cal-font-size-base);
    color: var(--cal-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ================================================================
   4. GAME STATS
   ================================================================ */
.memory-game-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--cal-spacing-sm);
    margin-bottom: var(--cal-spacing-xl);
}

@media (min-width: 480px) {
    .memory-game-stats {
        display: flex;
        flex-direction: row;
        justify-content: center;
        gap: var(--cal-spacing-md);
    }
}

.stat-box {
    background: var(--cal-white);
    border-radius: var(--cal-radius-md);
    padding: var(--cal-spacing-md);
    box-shadow: var(--cal-shadow-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--cal-spacing-xs);
    min-height: 56px;
    transform: translate3d(0, 0, 0);
}

@media (min-width: 480px) {
    .stat-box {
        flex-direction: row;
        min-width: 140px;
        padding: var(--cal-spacing-lg);
        border-radius: var(--cal-radius-lg);
    }
}

.stat-box .stat-icon {
    font-size: 24px;
    line-height: 1;
}

@media (min-width: 480px) {
    .stat-box .stat-icon {
        font-size: var(--cal-font-size-2xl);
    }
}

.stat-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

@media (min-width: 480px) {
    .stat-info {
        align-items: flex-start;
    }
}

.stat-label {
    font-size: 11px;
    color: var(--cal-text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    line-height: 1.2;
}

@media (min-width: 480px) {
    .stat-label {
        font-size: var(--cal-font-size-sm);
        letter-spacing: 0.5px;
    }
}

.stat-value {
    font-size: 18px;
    color: var(--cal-text);
    font-weight: 700;
    line-height: 1.2;
}

@media (min-width: 480px) {
    .stat-value {
        font-size: 15px;
        line-height: 1;
    }
}

/* ================================================================
   5. GAME BOARD & CARDS GRID
   ================================================================ */
.memory-game-board {
    margin-bottom: var(--cal-spacing-xl);
}

.memory-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--cal-spacing-xs);
    max-width: 600px;
    margin: 0 auto;
}

@media (min-width: 480px) {
    .memory-cards-grid {
        gap: var(--cal-spacing-md);
    }
}

/* Large grid (6x6) */
.memory-cards-grid[data-size="large"] {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

@media (min-width: 480px) {
    .memory-cards-grid[data-size="large"] {
        gap: var(--cal-spacing-sm);
    }
}

@media (min-width: 768px) {
    .memory-cards-grid[data-size="large"] {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* ================================================================
   6. MEMORY CARD
   ================================================================ */
.memory-card {
    aspect-ratio: 1;
    perspective: 1000px;
    cursor: pointer;
    position: relative;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.memory-card.flipped,
.memory-card.matched {
    z-index: 10;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform var(--cal-transition-slow);
    transform-style: preserve-3d;
    transform: translate3d(0, 0, 0);
}

.memory-card.flipped .card-inner,
.memory-card.matched .card-inner {
    transform: rotateY(180deg) translate3d(0, 0, 0);
}

/* ================================================================
   7. CARD FACES
   ================================================================ */
.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--cal-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--cal-font-size-2xl);
    box-shadow: var(--cal-shadow-lg);
}

@media (min-width: 768px) {
    .card-front,
    .card-back {
        font-size: var(--cal-font-size-3xl);
    }
}

.card-front {
    background: var(--memory-gradient);
    overflow: hidden;
}

.card-front::before {
    content: '?';
    color: var(--cal-white);
    font-size: 2em;
    font-weight: 700;
    opacity: 0.3;
    z-index: 1;
    position: relative;
}

.card-front::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 3s infinite;
    transform: translate3d(0, 0, 0);
}

@keyframes shimmer {
    0% { transform: translate(-50%, -50%) rotate(0deg) translate3d(0, 0, 0); }
    100% { transform: translate(-50%, -50%) rotate(360deg) translate3d(0, 0, 0); }
}

.card-back {
    background: var(--cal-white);
    transform: rotateY(180deg) translate3d(0, 0, 0);
    border: 3px solid var(--memory-border);
}

.memory-card.matched .card-back {
    background: var(--memory-success-gradient);
    border-color: var(--memory-matched);
    animation: matchPulse 0.5s ease;
}

@keyframes matchPulse {
    0%, 100% {
        transform: rotateY(180deg) scale(1) translate3d(0, 0, 0);
    }
    50% {
        transform: rotateY(180deg) scale(1.1) translate3d(0, 0, 0);
    }
}

/* Hover effects (desktop only) */
.memory-card:not(.flipped):not(.matched):hover {
    transform: translateY(-5px) translate3d(0, 0, 0);
}

.memory-card:not(.flipped):not(.matched):hover .card-front {
    box-shadow: var(--cal-shadow-card);
}

/* Active states (mobile) */
@media (hover: none) {
    .memory-card:not(.flipped):not(.matched):active {
        opacity: 0.9;
        transform: scale(0.98) translate3d(0, 0, 0);
    }
}

/* ================================================================
   8. ACTION BUTTONS
   ================================================================ */
.memory-game-actions {
    text-align: center;
    margin-top: var(--cal-spacing-xl);
}

.memory-restart-btn {
    padding: var(--cal-spacing-md) var(--cal-spacing-2xl);
    background: var(--memory-gradient);
    color: var(--cal-white);
    border: none;
    border-radius: var(--cal-radius-md);
    font-size: var(--cal-font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--cal-transition-base);
    box-shadow: var(--cal-shadow-button);
    display: inline-flex;
    align-items: center;
    gap: var(--cal-spacing-sm);
    min-height: 56px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

.memory-restart-btn:hover {
    transform: translateY(-2px) translate3d(0, 0, 0);
    box-shadow: var(--cal-shadow-button-hover);
}

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

.memory-restart-btn .btn-icon {
    font-size: var(--cal-font-size-lg);
}

/* ================================================================
   9. COMPLETED STATE
   ================================================================ */
.memory-completed {
    text-align: center;
}

.completed-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--cal-spacing-sm);
    background: var(--memory-success-gradient);
    color: var(--cal-white);
    padding: var(--cal-spacing-sm) var(--cal-spacing-xl);
    border-radius: var(--cal-radius-full);
    font-weight: 600;
    font-size: var(--cal-font-size-base);
    margin-bottom: var(--cal-spacing-xl);
    box-shadow: 0 4px 15px rgba(5, 205, 153, 0.3);
    transform: translate3d(0, 0, 0);
}

.badge-icon {
    font-size: var(--cal-font-size-xl);
}

.user-memory-result {
    background: var(--cal-white);
    border-radius: var(--cal-radius-xl);
    padding: var(--cal-spacing-xl);
    box-shadow: var(--cal-shadow-md);
    margin-bottom: var(--cal-spacing-xl);
}

@media (min-width: 768px) {
    .user-memory-result {
        padding: var(--cal-spacing-2xl);
    }
}

.user-memory-result h3 {
    font-size: var(--cal-font-size-xl);
    color: var(--cal-text);
    margin: 0 0 var(--cal-spacing-xl) 0;
    font-weight: 700;
}

.result-stats {
    display: flex;
    flex-direction: column;
    gap: var(--cal-spacing-sm);
}

@media (min-width: 480px) {
    .result-stats {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--cal-spacing-lg);
    }
}

.result-stats .stat-item {
    background: var(--memory-bg-light);
    border-radius: var(--cal-radius-lg);
    padding: var(--cal-spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--cal-spacing-md);
    transform: translate3d(0, 0, 0);
}

@media (min-width: 480px) {
    .result-stats .stat-item {
        min-width: 150px;
    }
}

.result-stats .stat-icon {
    font-size: 36px;
}

.result-stats .stat-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.result-stats .stat-value {
    font-size: 28px;
    color: var(--cal-text);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 5px;
}

.result-stats .stat-label {
    font-size: var(--cal-font-size-sm);
    color: var(--cal-text-light);
    font-weight: 600;
}

/* ================================================================
   10. LEADERBOARD SECTION
   ================================================================ */
.memory-leaderboard-section {
    margin-top: var(--cal-spacing-xl);
    text-align: center;
}

.view-memory-leaderboard-btn {
    padding: var(--cal-spacing-lg) var(--cal-spacing-2xl);
    background: var(--memory-gradient);
    color: var(--cal-white);
    border: none;
    border-radius: var(--cal-radius-md);
    font-size: var(--cal-font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--cal-transition-base);
    box-shadow: var(--cal-shadow-button);
    min-height: 56px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

.view-memory-leaderboard-btn:hover {
    transform: translateY(-2px) translate3d(0, 0, 0);
    box-shadow: var(--cal-shadow-button-hover);
}

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

.leaderboard-count {
    margin-left: var(--cal-spacing-xs);
    opacity: 0.9;
    font-size: var(--cal-font-size-sm);
}

/* ================================================================
   11. LEADERBOARD MODAL
   ================================================================ */
.memory-leaderboard-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    display: none;
    overflow-y: auto;
    padding: var(--cal-spacing-lg);
    transform: translate3d(0, 0, 0);
}

.memory-leaderboard-modal.active {
    display: block;
    animation: fadeIn var(--cal-transition-base);
}

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

.memory-leaderboard-modal-header {
    text-align: center;
    color: var(--cal-white);
    margin-bottom: var(--cal-spacing-xl);
}

.memory-leaderboard-modal-header h2 {
    margin: 0 0 var(--cal-spacing-sm) 0;
    font-size: var(--cal-font-size-2xl);
}

.memory-leaderboard-modal-header p {
    margin: 0;
    font-size: var(--cal-font-size-base);
    opacity: 0.8;
}

.memory-leaderboard-modal-close {
    position: fixed;
    top: var(--cal-spacing-lg);
    right: var(--cal-spacing-lg);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: var(--cal-radius-full);
    font-size: var(--cal-font-size-2xl);
    color: var(--cal-white);
    cursor: pointer;
    transition: all var(--cal-transition-base);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
}

.memory-leaderboard-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg) translate3d(0, 0, 0);
}

@media (hover: none) {
    .memory-leaderboard-modal-close:active {
        opacity: 0.85;
        transform: scale(0.95) translate3d(0, 0, 0);
    }
}

.memory-leaderboard-modal-content {
    max-width: 800px;
    margin: 0 auto;
}

.no-leaderboard {
    text-align: center;
    padding: 60px var(--cal-spacing-lg);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--cal-font-size-lg);
}

/* ================================================================
   12. LEADERBOARD ENTRIES (MODAL)
   ================================================================ */
.memory-leaderboard-modal .leaderboard-entry {
    background: var(--cal-white);
    display: grid;
    grid-template-columns: 50px 1fr auto;
    gap: var(--cal-spacing-sm);
    align-items: center;
    padding: var(--cal-spacing-lg);
    border-radius: var(--cal-radius-md);
    margin-bottom: var(--cal-spacing-sm);
    transition: all var(--cal-transition-base);
    transform: translate3d(0, 0, 0);
}

@media (min-width: 480px) {
    .memory-leaderboard-modal .leaderboard-entry {
        grid-template-columns: 60px 1fr auto auto;
        gap: var(--cal-spacing-md);
    }
}

.memory-leaderboard-modal .leaderboard-entry:hover {
    transform: translateX(5px) translate3d(0, 0, 0);
    box-shadow: var(--cal-shadow-md);
}

.memory-leaderboard-modal .leaderboard-entry.gold {
    background: var(--memory-gold-gradient);
    color: var(--cal-white);
}

.memory-leaderboard-modal .leaderboard-entry.silver {
    background: var(--memory-silver-gradient);
    color: var(--cal-white);
}

.memory-leaderboard-modal .leaderboard-entry.bronze {
    background: var(--memory-bronze-gradient);
    color: var(--cal-white);
}

.memory-leaderboard-modal .entry-rank {
    font-size: var(--cal-font-size-xl);
    font-weight: 700;
    text-align: center;
}

.memory-leaderboard-modal .entry-name {
    font-weight: 600;
    font-size: var(--cal-font-size-base);
}

.memory-leaderboard-modal .entry-stats {
    font-size: var(--cal-font-size-sm);
    opacity: 0.8;
    display: none;
}

@media (min-width: 480px) {
    .memory-leaderboard-modal .entry-stats {
        display: block;
    }
}

.memory-leaderboard-modal .entry-score {
    font-size: var(--cal-font-size-lg);
    font-weight: 700;
}

/* ================================================================
   13. LEADERBOARD (INLINE)
   ================================================================ */
.memory-leaderboard {
    background: var(--cal-white);
    border-radius: var(--cal-radius-xl);
    padding: var(--cal-spacing-xl);
    box-shadow: var(--cal-shadow-md);
}

.memory-leaderboard h3 {
    font-size: var(--cal-font-size-lg);
    color: var(--cal-text);
    margin: 0 0 var(--cal-spacing-lg) 0;
    font-weight: 700;
    text-align: center;
}

@media (min-width: 768px) {
    .memory-leaderboard h3 {
        font-size: 22px;
    }
}

.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: var(--cal-spacing-sm);
}

.leaderboard-entry {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: var(--cal-spacing-sm);
    align-items: center;
    background: var(--memory-bg-light);
    padding: var(--cal-spacing-md);
    border-radius: var(--cal-radius-md);
    transition: all var(--cal-transition-base);
    transform: translate3d(0, 0, 0);
}

@media (min-width: 480px) {
    .leaderboard-entry {
        grid-template-columns: 50px 1fr auto auto;
        gap: var(--cal-spacing-md);
        padding: var(--cal-spacing-lg);
    }
}

.leaderboard-entry:hover {
    transform: translateX(5px) translate3d(0, 0, 0);
    box-shadow: var(--cal-shadow-sm);
}

.leaderboard-entry.current-user {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border: 2px solid var(--cal-primary);
}

.entry-rank {
    font-size: var(--cal-font-size-lg);
    font-weight: 700;
    color: var(--cal-primary);
    text-align: center;
}

.leaderboard-entry:nth-child(1) .entry-rank {
    color: var(--cal-gold);
    font-size: var(--cal-font-size-lg);
}

@media (min-width: 480px) {
    .leaderboard-entry:nth-child(1) .entry-rank {
        font-size: 20px;
    }
}

.leaderboard-entry:nth-child(2) .entry-rank {
    color: #C0C0C0;
}

.leaderboard-entry:nth-child(3) .entry-rank {
    color: #CD7F32;
}

.entry-name {
    font-weight: 600;
    color: var(--cal-text);
    font-size: 15px;
}

.entry-stats {
    font-size: var(--cal-font-size-sm);
    color: var(--cal-text-light);
    font-weight: 500;
    display: none;
}

@media (min-width: 480px) {
    .entry-stats {
        display: block;
        grid-column: auto;
    }
}

.entry-score {
    font-size: var(--cal-font-size-lg);
    font-weight: 700;
    color: var(--memory-matched);
}

/* Mobile: stack stats and score */
@media (max-width: 479px) {
    .entry-stats,
    .entry-score {
        grid-column: 2;
    }
}

/* ================================================================
   14. SUCCESS OVERLAY
   ================================================================ */
.memory-success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100002;
    backdrop-filter: blur(5px);
    animation: fadeIn var(--cal-transition-base);
    padding: var(--cal-spacing-lg);
    transform: translate3d(0, 0, 0);
}

/* Mobile: align to bottom for better UX */
@media (max-width: 767px) {
    .memory-success-overlay {
        align-items: flex-end;
        padding: 0;
    }
}

.success-content {
    background: var(--cal-white);
    border-radius: var(--cal-radius-2xl);
    padding: var(--cal-spacing-xl);
    text-align: center;
    max-width: 450px;
    width: 100%;
    animation: successBounce 0.6s ease;
    transform: translate3d(0, 0, 0);
}

/* Mobile: slide up from bottom */
@media (max-width: 767px) {
    .success-content {
        border-radius: 20px 20px 0 0;
        max-width: 100%;
        animation: slideUpMobile 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
}

@media (min-width: 768px) {
    .success-content {
        padding: var(--cal-spacing-3xl);
    }
}

@keyframes slideUpMobile {
    from {
        transform: translateY(100%) translate3d(0, 0, 0);
        opacity: 0;
    }
    to {
        transform: translateY(0) translate3d(0, 0, 0);
        opacity: 1;
    }
}

@keyframes successBounce {
    0% {
        transform: scale(0.8) translate3d(0, 0, 0);
        opacity: 0;
    }
    50% {
        transform: scale(1.05) translate3d(0, 0, 0);
    }
    100% {
        transform: scale(1) translate3d(0, 0, 0);
        opacity: 1;
    }
}

.success-icon {
    font-size: 64px;
    margin-bottom: var(--cal-spacing-lg);
    animation: rotate 0.8s ease;
}

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

@keyframes rotate {
    0% { transform: rotate(0deg) translate3d(0, 0, 0); }
    100% { transform: rotate(360deg) translate3d(0, 0, 0); }
}

.success-content h3 {
    font-size: var(--cal-font-size-xl);
    color: var(--cal-text);
    margin: 0 0 var(--cal-spacing-sm) 0;
    font-weight: 700;
}

@media (min-width: 768px) {
    .success-content h3 {
        font-size: var(--cal-font-size-2xl);
    }
}

.success-content p {
    font-size: var(--cal-font-size-base);
    color: var(--cal-text-muted);
    margin: 0 0 var(--cal-spacing-xl) 0;
}

.success-stats {
    display: flex;
    flex-direction: column;
    gap: var(--cal-spacing-sm);
}

@media (min-width: 480px) {
    .success-stats {
        flex-direction: row;
        justify-content: center;
        gap: var(--cal-spacing-lg);
    }
}

.success-stat {
    background: var(--memory-bg-light);
    padding: var(--cal-spacing-lg) var(--cal-spacing-xl);
    border-radius: var(--cal-radius-md);
}

.success-stat strong {
    display: block;
    font-size: var(--cal-font-size-xl);
    color: var(--cal-primary);
    font-weight: 700;
}