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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.game-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 30px;
    max-width: 1200px;
    width: 100%;
    backdrop-filter: blur(10px);
}

.game-header {
    text-align: center;
    margin-bottom: 30px;
}

.game-title {
    color: #4a5568;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.game-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.score-info, .level-info, .timer-info {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1.1rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.timer-info {
    background: linear-gradient(45deg, #FF6B6B, #ee5a52);
}

.level-info {
    background: linear-gradient(45deg, #4ECDC4, #44a08d);
}

.game-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.grid-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.word-grid {
    display: grid;
    gap: 2px;
    background: #2d3748;
    padding: 10px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    user-select: none;
}

.grid-cell {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #ffffff, #f7fafc);
    border: 2px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    color: #2d3748;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.grid-cell:hover {
    background: linear-gradient(45deg, #bee3f8, #90cdf4);
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.grid-cell.selected {
    background: linear-gradient(45deg, #4299e1, #3182ce);
    color: white;
    border-color: #2b6cb0;
    transform: scale(1.1);
}

.grid-cell.found {
    background: linear-gradient(45deg, #48bb78, #38a169);
    color: white;
    border-color: #2f855a;
    animation: found-pulse 0.6s ease-in-out;
}

.grid-cell.hint-cell {
    background: linear-gradient(45deg, #ffd700, #ffa500); /* Cor da dica */
    transform: scale(1.2);
    animation: hint-pulse 0.8s ease-in-out 3;
}

@keyframes found-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1.1); }
}

@keyframes hint-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1.1); }
}

.words-panel {
    background: linear-gradient(135deg, #f7fafc, #edf2f7);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    width: 100%;
}

.words-title {
    color: #2d3748;
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 20px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.words-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.word-item {
    background: linear-gradient(45deg, #ffffff, #f7fafc);
    padding: 8px 12px;
    border-radius: 10px;
    border-left: 4px solid #4299e1;
    font-weight: 600;
    color: #2d3748;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.word-item.found {
    background: linear-gradient(45deg, #c6f6d5, #9ae6b4);
    border-left-color: #48bb78;
    text-decoration: line-through;
    opacity: 0.8;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(45deg, #4299e1, #3182ce);
    color: white;
}

.btn-secondary {
    background: linear-gradient(45deg, #ed8936, #dd6b20);
    color: white;
}

.btn-success {
    background: linear-gradient(45deg, #48bb78, #38a169);
    color: white;
}

.btn-new-words {
    background: linear-gradient(45deg, #2c77a3, #1e5a7b);
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

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

.game-complete {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.complete-modal {
    background: linear-gradient(135deg, #ffffff, #f7fafc);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    max-width: 400px;
    width: 90%;
}

.complete-title {
    color: #48bb78;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.complete-message {
    color: #4a5568;
    font-size: 1.2rem;
    margin-bottom: 30px;
    line-height: 1.6;
}

.difficulty-selector {
    margin-bottom: 20px;
    text-align: center;
}

.difficulty-label {
    color: #4a5568;
    font-weight: bold;
    margin-bottom: 10px;
    display: block;
}

.difficulty-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.difficulty-btn {
    padding: 8px 16px;
    border: 2px solid #4299e1;
    background: transparent;
    color: #4299e1;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.difficulty-btn.active,
.difficulty-btn:hover {
    background: #4299e1;
    color: white;
}

/* Responsividade para tablets e dispositivos médios */
@media (min-width: 481px) and (max-width: 768px) {
    .grid-cell {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }

    .game-title {
        font-size: 2.2rem;
    }

    .words-panel {
        padding: 20px;
    }
}

/* Responsividade para celulares pequenos */
@media (max-width: 480px) {
    .grid-cell {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
    }

    .game-container {
        padding: 15px;
    }

    .game-title {
        font-size: 1.8rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Responsividade para telas grandes (TVs, monitores grandes) */
@media (min-width: 1600px) {
    .game-container {
        max-width: 1400px;
        padding: 40px;
    }

    .game-title {
        font-size: 3rem;
    }

    .grid-cell {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .words-panel {
        max-width: 1000px;
        padding: 35px;
    }

    .btn {
        padding: 15px 30px;
        font-size: 1.2rem;
    }
}