/* Variables de couleurs */
:root {
    --primary-blue: #1A73D9;
    --primary-pink: #F36487;
    --primary-green: #34A86E;
    --primary-yellow: #FFC80B;
    --gray-dark: #2D3748;
    --gray-medium: #4A5568;
    --gray-light: #718096;
    --gray-lighter: #E2E8F0;
    --gray-lightest: #F7FAFC;
    --white: #FFFFFF;
}

/* Structure principale - RESPONSIVE */
.wordsearch-puzzle-pro {
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    margin: 25px auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-lighter);
    font-family: 'Segoe UI', system-ui, sans-serif;
    max-width: 100%;
    width: fit-content;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
}

.wordsearch-puzzle-pro h3 {
    color: var(--gray-dark);
    margin: 0 0 25px 0;
    font-size: 1.5em;
    font-weight: 700;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--gray-lighter);
    width: 100%;
}

/* Grille responsive */
.wordsearch-grid-pro {
    display: grid;
    gap: 2px;
    border: 3px solid var(--primary-blue);
    border-radius: 12px;
    padding: 12px;
    background: linear-gradient(135deg, var(--gray-lightest) 0%, var(--white) 100%);
    margin: 0 auto 25px auto;
    box-shadow: 0 4px 20px rgba(26, 115, 217, 0.15);
    max-width: 100%;
    justify-items: center;
    align-items: center;
}

.wordsearch-cell-pro {
    width: 35px;
    height: 35px;
    border: 1px solid var(--gray-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Courier New', monospace;
    font-weight: 800;
    font-size: 1.1em;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--white);
    color: var(--gray-dark);
    border-radius: 6px;
    user-select: none;
    box-sizing: border-box;
    flex-shrink: 0;
}

.wordsearch-cell-pro:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(26, 115, 217, 0.3);
    border-color: var(--primary-blue);
}

.wordsearch-cell-pro.selected {
    background: var(--primary-blue);
    color: var(--white);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(26, 115, 217, 0.4);
}

.wordsearch-cell-pro.found {
    background: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
}

/* Liste des mots responsive */
.wordsearch-words-pro {
    background: var(--gray-lightest);
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
    width: 100%;
    box-sizing: border-box;
}

.wordsearch-words-pro h4 {
    color: var(--gray-dark);
    margin: 0 0 15px 0;
    font-size: 1.2em;
    font-weight: 600;
    text-align: center;
}

.words-container-pro {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.word-item-pro {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    background: var(--white);
    border: 2px solid var(--gray-lighter);
    border-radius: 25px;
    font-weight: 600;
    color: var(--gray-medium);
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 0.95em;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    flex-shrink: 0;
}

.word-item-pro:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.word-item-pro.found {
    background: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
    text-decoration: line-through;
    opacity: 0.8;
}

/* Indicateurs de progression */
.puzzle-stats-pro {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: var(--white);
    padding: 15px 25px;
    border-radius: 12px;
    margin-bottom: 20px;
    width: 100%;
    box-sizing: border-box;
    flex-wrap: wrap;
    gap: 15px;
}

.stat-item-pro {
    text-align: center;
    flex: 1;
    min-width: 80px;
}

.stat-value-pro {
    font-size: 1.8em;
    font-weight: 800;
    display: block;
}

.stat-label-pro {
    font-size: 0.9em;
    opacity: 0.9;
}

/* Boutons de contrôle */
.wordsearch-controls-pro {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
}

.wordsearch-btn-pro {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.95em;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: inherit;
}

.reset-btn-pro {
    background: var(--gray-light);
    color: var(--white);
}

.reset-btn-pro:hover {
    background: var(--gray-medium);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(113, 128, 150, 0.3);
}

.solution-btn-pro {
    background: var(--primary-pink);
    color: var(--white);
}

.solution-btn-pro:hover {
    background: #e0557a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(243, 100, 135, 0.3);
}

.solution-btn-pro.showing-solution {
    background: var(--primary-yellow);
    color: var(--gray-dark);
}

.btn-icon {
    font-size: 1.1em;
}

/* Message de félicitations */
.congratulations-pro {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    color: var(--white);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    animation: celebrate 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 90%;
    width: 300px;
}

@keyframes celebrate {
    0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0; }
    70% { transform: translate(-50%, -50%) scale(1.05); }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

.congratulations-pro h2 {
    margin: 0 0 15px 0;
    font-size: 2.2em;
}

.congratulations-pro p {
    margin: 0;
    font-size: 1.2em;
    opacity: 0.9;
}

/* RESPONSIVE DESIGN */
@media (max-width: 1200px) {
    .wordsearch-puzzle-pro {
        padding: 25px;
    }
    
    .wordsearch-cell-pro {
        width: 32px;
        height: 32px;
        font-size: 1em;
    }
}

@media (max-width: 768px) {
    .wordsearch-puzzle-pro {
        padding: 20px;
        margin: 15px auto;
        width: 95%;
        max-width: 95vw;
    }
    
    .wordsearch-grid-pro {
        padding: 10px;
        gap: 1px;
        width: 100%;
        max-width: 100%;
        grid-template-columns: repeat(var(--grid-size, 15), 1fr);
        justify-content: center;
    }
    
    .wordsearch-cell-pro {
        width: 28px;
        height: 28px;
        font-size: 0.9em;
        min-width: 24px;
        min-height: 24px;
    }
    
    /* Ajustements spécifiques pour chaque taille de grille */
    .wordsearch-puzzle-pro[data-size="10"] .wordsearch-cell-pro {
        width: 32px;
        height: 32px;
        font-size: 1em;
    }
    
    .wordsearch-puzzle-pro[data-size="12"] .wordsearch-cell-pro {
        width: 30px;
        height: 30px;
        font-size: 0.95em;
    }
    
    .wordsearch-puzzle-pro[data-size="15"] .wordsearch-cell-pro {
        width: 26px;
        height: 26px;
        font-size: 0.85em;
    }
    
    .wordsearch-puzzle-pro[data-size="20"] .wordsearch-cell-pro {
        width: 20px;
        height: 20px;
        font-size: 0.75em;
    }
    
    .puzzle-stats-pro {
        flex-direction: column;
        gap: 10px;
        padding: 12px 20px;
    }
    
    .stat-item-pro {
        min-width: auto;
    }
    
    .wordsearch-controls-pro {
        flex-direction: column;
        align-items: center;
    }
    
    .wordsearch-btn-pro {
        width: 200px;
        justify-content: center;
    }
    
    .words-container-pro {
        gap: 8px;
    }
    
    .word-item-pro {
        padding: 8px 16px;
        font-size: 0.9em;
    }
}

@media (max-width: 576px) {
    .wordsearch-puzzle-pro {
        padding: 15px;
        width: 100%;
    }
    
    .wordsearch-grid-pro {
        padding: 8px;
        gap: 1px;
    }
    
    .wordsearch-cell-pro {
        min-width: 22px;
        min-height: 22px;
    }
    
    .wordsearch-puzzle-pro[data-size="10"] .wordsearch-cell-pro {
        width: 28px;
        height: 28px;
        font-size: 0.9em;
    }
    
    .wordsearch-puzzle-pro[data-size="12"] .wordsearch-cell-pro {
        width: 26px;
        height: 26px;
        font-size: 0.85em;
    }
    
    .wordsearch-puzzle-pro[data-size="15"] .wordsearch-cell-pro {
        width: 22px;
        height: 22px;
        font-size: 0.75em;
    }
    
    .wordsearch-puzzle-pro[data-size="20"] .wordsearch-cell-pro {
        width: 18px;
        height: 18px;
        font-size: 0.65em;
    }
}

@media (max-width: 480px) {
    .wordsearch-puzzle-pro {
        padding: 12px;
    }
    
    .wordsearch-puzzle-pro h3 {
        font-size: 1.3em;
        margin-bottom: 15px;
    }
    
    .wordsearch-grid-pro {
        padding: 6px;
    }
    
    .wordsearch-cell-pro {
        min-width: 20px;
        min-height: 20px;
    }
    
    .wordsearch-puzzle-pro[data-size="15"] .wordsearch-cell-pro {
        width: 20px;
        height: 20px;
        font-size: 0.7em;
    }
    
    .wordsearch-puzzle-pro[data-size="20"] .wordsearch-cell-pro {
        width: 16px;
        height: 16px;
        font-size: 0.6em;
    }
    
    .congratulations-pro {
        padding: 30px 20px;
        width: 280px;
    }
    
    .congratulations-pro h2 {
        font-size: 1.8em;
    }
}

/* Support très petits écrans */
@media (max-width: 360px) {
    .wordsearch-puzzle-pro {
        padding: 10px;
    }
    
    .wordsearch-cell-pro {
        min-width: 18px;
        min-height: 18px;
    }
    
    .wordsearch-puzzle-pro[data-size="15"] .wordsearch-cell-pro {
        width: 18px;
        height: 18px;
        font-size: 0.65em;
    }
    
    .wordsearch-puzzle-pro[data-size="20"] .wordsearch-cell-pro {
        width: 14px;
        height: 14px;
        font-size: 0.55em;
    }
    
    .wordsearch-grid-pro {
        padding: 4px;
    }
}

/* Centrage pour tous les écrans */
.aligncenter {
    text-align: center !important;
    margin-left: auto !important;
    margin-right: auto !important;
    display: block !important;
}