/**
 * Connect Four Styles
 * Classic strategy game
 */

/* Game Info */
.game-info {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--secondary-bg);
    border-radius: var(--radius-md);
}

.turn-display span,
.score-display span {
    color: var(--text-secondary);
}

#current-turn {
    font-weight: bold;
}

#current-turn.player-1 {
    color: #e74c3c;
}

#current-turn.player-2 {
    color: #f1c40f;
}

.score-display .player-1 {
    color: #e74c3c;
}

.score-display .player-2 {
    color: #f1c40f;
}

#score-1, #score-2 {
    font-weight: bold;
    font-size: 1.2rem;
}

/* Mode Selection */
.mode-select {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.mode-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
    background: var(--tertiary-bg);
    border: 2px solid var(--tertiary-bg);
}

.mode-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.mode-btn:hover {
    border-color: var(--accent-color);
}

/* Board Container */
.board-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.board {
    background: linear-gradient(135deg, #2980b9 0%, #3498db 100%);
    border-radius: var(--radius-lg);
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Column Buttons */
.column-buttons {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    margin-bottom: 5px;
}

.col-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: var(--radius-sm);
    padding: 8px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s;
    color: white;
}

.col-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.4);
    transform: translateY(-3px);
}

.col-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.col-btn .arrow {
    display: block;
}

/* Board Grid */
.board-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.cell {
    width: 50px;
    height: 50px;
    background: #1a1f3a;
    border-radius: 50%;
    box-shadow: inset 0 3px 8px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
    position: relative;
}

.cell.player-1 {
    background: radial-gradient(circle at 30% 30%, #ff6b6b, #e74c3c, #c0392b);
    box-shadow: 0 4px 10px rgba(231, 76, 60, 0.5), inset 0 -3px 8px rgba(0, 0, 0, 0.3);
}

.cell.player-2 {
    background: radial-gradient(circle at 30% 30%, #ffeaa7, #f1c40f, #f39c12);
    box-shadow: 0 4px 10px rgba(241, 196, 15, 0.5), inset 0 -3px 8px rgba(0, 0, 0, 0.3);
}

.cell.winning {
    animation: pulse 0.5s ease infinite alternate;
}

@keyframes pulse {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

.cell.drop-animation {
    animation: dropIn 0.4s ease-out;
}

@keyframes dropIn {
    from {
        transform: translateY(-300px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Preview disc */
.col-btn.hovering::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    opacity: 0.5;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
}

/* Controls */
.controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

/* Instructions */
.instructions {
    background: var(--secondary-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
    border: 2px solid var(--primary-color);
}

.instructions h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.instructions ul {
    list-style-position: inside;
    color: var(--text-secondary);
}

.instructions li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

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

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--secondary-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 3px solid var(--primary-color);
    text-align: center;
    max-width: 400px;
    margin: var(--spacing-md);
}

.modal-content h2 {
    color: var(--win-color);
    margin-bottom: var(--spacing-md);
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Responsive */
@media (max-width: 450px) {
    .cell {
        width: 42px;
        height: 42px;
    }
    
    .board {
        padding: 12px;
    }
    
    .column-buttons, .board-grid {
        gap: 6px;
    }
    
    .col-btn {
        padding: 10px;
        font-size: 1.3rem;
    }
}

/* Extra small screens */
@media (max-width: 380px) {
    .cell {
        width: 38px;
        height: 38px;
    }
    
    .board {
        padding: 10px;
    }
    
    .column-buttons, .board-grid {
        gap: 5px;
    }
}