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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    min-height: 100vh;
    color: #333;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #1e3c72;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.game-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Panneau de contrôle */
.control-panel {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 20px;
    height: fit-content;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    position: sticky;
    top: 20px;
}

.game-info, .ships-panel, .game-controls, .scoreboard, .legend {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e9ecef;
}

.game-info:last-child, .legend {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.game-info h3, .ships-panel h3, .scoreboard h3, .legend h3 {
    color: #1e3c72;
    margin-bottom: 15px;
    font-size: 1.1rem;
    font-weight: bold;
}

.status-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 4px solid #2a5298;
}

.status-item .label {
    font-weight: bold;
    color: #6c757d;
}

/* Navires */
.ships-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
}

.ship-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 2px solid #dee2e6;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ship-item:hover {
    background: #e9ecef;
    transform: translateY(-2px);
}

.ship-item.selected {
    background: #cce5ff;
    border-color: #2a5298;
    box-shadow: 0 0 10px rgba(42, 82, 152, 0.3);
}

.ship-item.placed {
    background: #d4edda;
    border-color: #28a745;
    cursor: default;
}

.ship-item.placed:hover {
    transform: none;
}

.ship-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ship-icon {
    font-size: 1.2rem;
}

.ship-details {
    display: flex;
    flex-direction: column;
}

.ship-name {
    font-weight: bold;
    color: #333;
}

.ship-size {
    font-size: 0.85rem;
    color: #6c757d;
}

.ship-visual {
    display: flex;
    gap: 2px;
}

.ship-segment {
    width: 12px;
    height: 12px;
    background: #2a5298;
    border-radius: 2px;
}

.placement-controls {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
}

/* Boutons */
.btn {
    padding: 10px 15px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.btn.primary {
    background: #2a5298;
    color: white;
}

.btn.primary:hover {
    background: #1e3c72;
    transform: translateY(-2px);
}

.btn.secondary {
    background: #6c757d;
    color: white;
}

.btn.secondary:hover {
    background: #545b62;
    transform: translateY(-2px);
}

.btn:disabled {
    background: #dee2e6;
    color: #6c757d;
    cursor: not-allowed;
    transform: none;
}

.game-controls {
    display: grid;
    gap: 10px;
}

/* Score */
.scores {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.score-item {
    padding: 12px;
    border-radius: 8px;
    border-left: 4px solid;
}

.score-item.player {
    background: #e8f4fd;
    border-left-color: #2a5298;
}

.score-item.ai {
    background: #fff3cd;
    border-left-color: #ffc107;
}

.player-name {
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
}

.ships-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Légende */
.legend-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 1px solid #333;
}

.legend-color.water { background: #87CEEB; }
.legend-color.ship { background: #2a5298; }
.legend-color.hit { background: #dc3545; }
.legend-color.miss { background: #6c757d; }
.legend-color.sunk { background: #343a40; }

/* Grilles de jeu */
.game-boards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.board-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.board-container h3 {
    text-align: center;
    color: #1e3c72;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.board-wrapper {
    display: flex;
    flex-direction: column;
}

.coordinates-top {
    display: grid;
    grid-template-columns: 30px repeat(10, 1fr);
    gap: 2px;
    margin-bottom: 2px;
}

.board-with-coords {
    display: grid;
    grid-template-columns: 30px 1fr;
    gap: 2px;
}

.coordinates-left {
    display: grid;
    grid-template-rows: repeat(10, 1fr);
    gap: 2px;
}

.coord, .coord-label {
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #1e3c72;
    font-size: 0.9rem;
    height: 35px;
}

.game-board {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    grid-template-rows: repeat(10, 1fr);
    gap: 2px;
    aspect-ratio: 1;
    background: #1e3c72;
    border-radius: 8px;
    padding: 4px;
}

.cell {
    background: #87CEEB;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
}

.cell:hover {
    background: #7fc4e8;
    transform: scale(1.05);
}

/* États des cellules */
.cell.ship {
    background: #2a5298;
    color: white;
}

.cell.hit {
    background: #dc3545;
    color: white;
}

.cell.hit::after {
    content: '💥';
    font-size: 1.2rem;
}

.cell.miss {
    background: #6c757d;
    color: white;
}

.cell.miss::after {
    content: '💧';
    font-size: 1rem;
}

.cell.sunk {
    background: #343a40;
    color: white;
}

.cell.sunk::after {
    content: '☠️';
    font-size: 1rem;
}

.cell.preview {
    background: rgba(42, 82, 152, 0.5) !important;
    border: 2px solid #2a5298;
}

.cell.invalid-preview {
    background: rgba(220, 53, 69, 0.5) !important;
    border: 2px solid #dc3545;
}

/* Grille ennemie */
.enemy-board .cell {
    cursor: crosshair;
}

.enemy-board .cell.ship {
    background: #87CEEB; /* Masquer les navires ennemis */
}

.enemy-board .cell:hover {
    background: #ffc107;
    transform: scale(1.1);
}

.enemy-board .cell.hit:hover,
.enemy-board .cell.miss:hover,
.enemy-board .cell.sunk:hover {
    transform: scale(1.05);
}

/* Messages */
.message-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    pointer-events: none;
}

.message {
    padding: 15px 25px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1.1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
    max-width: 400px;
    text-align: center;
}

.message.show {
    opacity: 1;
    transform: scale(1);
}

.message.success { background: #28a745; color: white; }
.message.error { background: #dc3545; color: white; }
.message.info { background: #17a2b8; color: white; }
.message.warning { background: #ffc107; color: #333; }

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 15px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalAppear 0.3s ease;
}

@keyframes modalAppear {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-content h2 {
    color: #1e3c72;
    margin-bottom: 20px;
    font-size: 2rem;
}

.game-stats {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    text-align: left;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.stat-row:last-child {
    margin-bottom: 0;
}

.modal-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 20px;
}

/* Animations */
.cell.firing {
    animation: firing 0.6s ease;
}

@keyframes firing {
    0% { transform: scale(1); }
    25% { transform: scale(1.2); }
    50% { transform: scale(0.9); }
    75% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.ship-segment.placing {
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .game-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .control-panel {
        position: static;
        order: 2;
    }
    
    .game-boards {
        order: 1;
    }
}

@media (max-width: 900px) {
    .game-boards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .game-container {
        padding: 0 10px;
    }
}

@media (max-width: 600px) {
    .status-grid {
        grid-template-columns: 1fr;
    }
    
    .placement-controls {
        grid-template-columns: 1fr;
    }
    
    .modal-actions {
        grid-template-columns: 1fr;
    }
    
    .coord {
        font-size: 0.7rem;
        height: 25px;
    }
    
    .cell {
        font-size: 0.6rem;
    }
}

/* Mode sombre (optionnel) */
@media (prefers-color-scheme: dark) {
    .control-panel,
    .board-container {
        background: rgba(30, 30, 30, 0.95);
        color: #e9ecef;
    }
    
    .game-info h3, .ships-panel h3, .scoreboard h3, .legend h3,
    .board-container h3 {
        color: #87CEEB;
    }
    
    .ship-item {
        background: #404040;
        border-color: #555;
        color: #e9ecef;
    }
    
    .status-item {
        background: #404040;
        border-left-color: #87CEEB;
    }
}