@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&family=Roboto+Mono:wght@500&display=swap');

#gameCanvas #battleship-wrapper {
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --secondary: #764ba2;
    --grid-line: #a3bffa;
    --water: #ebf8ff;
    --water-hover: #bee3f8;
    --ship: #4a5568;
    --hit: #f56565;
    --miss: #a0aec0;
    --text: #2d3748;

    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
    min-height: 600px;
    padding: 10px;
    display: flex; justify-content: center; align-items: center;
    width: 100%; position: relative;
}

/* PLEIN ECRAN */
#gameCanvas #battleship-wrapper:fullscreen {
    width: 100vw; height: 100vh;
    border-radius: 0;
    justify-content: center; align-items: center;
}

#gameCanvas .bs-container {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 20px;
    padding: 20px;
    width: 100%; max-width: 950px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    display: flex; flex-direction: column; gap: 15px;
    /* Max height pour éviter le scroll en plein écran sur petits écrans */
    max-height: 100vh; 
    overflow-y: auto;
}

#gameCanvas .bs-header-main { text-align: center; }
#gameCanvas .bs-title { color: var(--secondary); margin: 0; font-size: 1.8rem; }
#gameCanvas .bs-subtitle { color: #718096; margin: 0; font-size: 0.9rem; }

#gameCanvas .bs-screen { animation: bsFadeIn 0.4s ease; display: flex; flex-direction: column; align-items: center; width: 100%; }
#gameCanvas .hidden { display: none !important; }
@keyframes bsFadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* DIFFICULTY */
#gameCanvas .bs-card { background: #f7fafc; padding: 25px; border-radius: 15px; border: 2px solid #edf2f7; text-align: center; width: 100%; max-width: 400px; }
#gameCanvas .bs-difficulty-buttons { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
#gameCanvas .bs-btn-level {
    display: flex; align-items: center; gap: 15px;
    padding: 12px; background: white; border: 2px solid #e2e8f0; border-radius: 10px;
    cursor: pointer; transition: 0.2s; text-align: left;
}
#gameCanvas .bs-btn-level:hover { border-color: var(--primary); transform: translateX(5px); }
#gameCanvas .bs-btn-level .lvl-icon { font-size: 1.4rem; }

/* BOUTONS */
#gameCanvas .bs-btn-primary {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white; border: none; padding: 10px 25px; border-radius: 50px;
    font-weight: bold; cursor: pointer; transition: 0.2s; box-shadow: 0 4px 15px rgba(118, 75, 162, 0.3);
}
#gameCanvas .bs-btn-primary:hover:not(:disabled) { transform: translateY(-2px); }
#gameCanvas .bs-btn-primary:disabled { background: #cbd5e0; cursor: not-allowed; box-shadow: none; opacity: 0.7; }
#gameCanvas .bs-btn-primary.big { font-size: 1.2rem; padding: 12px 40px; margin-top: 15px; }

#gameCanvas .bs-btn-secondary {
    background: white; border: 2px solid var(--primary); color: var(--primary);
    padding: 6px 15px; border-radius: 50px; font-weight: bold; cursor: pointer; font-size: 0.9rem;
}
#gameCanvas .bs-btn-danger {
    background: #fff5f5; border: 2px solid #fc8181; color: #c53030;
    padding: 6px 15px; border-radius: 50px; font-weight: bold; cursor: pointer; font-size: 0.9rem;
}
#gameCanvas .bs-btn-quit { background: none; border: none; color: #a0aec0; text-decoration: underline; cursor: pointer; margin-top: 5px; }

#gameCanvas .bs-btn-icon {
    background: rgba(255,255,255,0.2); border: 1px solid rgba(255,255,255,0.3); color: white;
    width: 32px; height: 32px; border-radius: 50%; cursor: pointer;
    display: flex; justify-content: center; align-items: center; transition: 0.2s;
}
#gameCanvas .bs-btn-icon:hover { background: rgba(255,255,255,0.4); }

/* SETUP */
#gameCanvas .bs-setup-header { text-align: center; margin-bottom: 10px; }
#gameCanvas .bs-setup-controls-container {
    background: #ebf8ff; border-radius: 12px; padding: 15px;
    width: 100%; max-width: 600px;
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    margin-bottom: 15px;
}
#gameCanvas .bs-ship-status { font-size: 1.1rem; color: var(--text); }
#gameCanvas .bs-setup-buttons { display: flex; gap: 15px; justify-content: center; }

/* JEU & LAYOUT */
#gameCanvas .bs-game-info-bar {
    display: flex; justify-content: space-between; align-items: center;
    width: 100%; background: #2d3748; color: white;
    padding: 10px 20px; border-radius: 10px; margin-bottom: 15px; font-size: 0.9rem;
}
#gameCanvas .bs-message-box { 
    font-weight: bold; color: #63b3ed; text-align: center; 
    margin-bottom: 15px; width: 100%; font-size: 1.1rem;
}

#gameCanvas .bs-boards-area { 
    display: flex; 
    gap: 20px; 
    justify-content: center; 
    align-items: flex-start; 
    width: 100%; 
    flex-wrap: wrap; 
}

@media (min-width: 700px) {
    #gameCanvas .bs-boards-area.dual-view {
        flex-direction: row; 
    }
}

#gameCanvas .bs-board-wrapper { display: flex; flex-direction: column; align-items: center; gap: 5px; }
#gameCanvas .bs-board-label { font-weight: bold; font-size: 0.85rem; color: #718096; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 5px; }

/* GRILLES */
#gameCanvas .bs-grid {
    display: grid;
    grid-template-columns: 22px repeat(10, 28px); 
    grid-template-rows: 22px repeat(10, 28px);
    gap: 0;
    background: white; border: 2px solid var(--grid-line);
}

#gameCanvas .bs-cell {
    background: var(--water);
    width: 28px; height: 28px;
    display: flex; justify-content: center; align-items: center;
    font-size: 1.1rem; transition: background 0.1s;
    border-right: 1px solid #dcebfb; border-bottom: 1px solid #dcebfb;
}

#gameCanvas .bs-label-cell {
    background: #f0f4f8; color: #718096; font-weight: bold; font-size: 0.75rem;
    display: flex; justify-content: center; align-items: center;
    border-right: 1px solid #dcebfb; border-bottom: 1px solid #dcebfb;
}

/* INTERACTION & ETATS */
#gameCanvas .bs-grid.interactive .bs-cell:not(.bs-hit):not(.bs-miss) { cursor: crosshair; }
#gameCanvas .bs-grid.interactive .bs-cell:hover:not(.bs-hit):not(.bs-miss) { background: var(--water-hover); }

#gameCanvas .bs-ship { background: var(--ship) !important; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.2); }
#gameCanvas .bs-hit { background: var(--hit) !important; animation: shake 0.4s; }
#gameCanvas .bs-hit::after { content: '💥'; font-size: 1rem; }
#gameCanvas .bs-miss { background: var(--miss) !important; }
#gameCanvas .bs-miss::after { content: '💧'; font-size: 0.9rem; opacity: 0.7; }
#gameCanvas .bs-sunk { background: #2d3748 !important; opacity: 0.8; }
#gameCanvas .bs-sunk::after { content: '☠️'; }
#gameCanvas .bs-cell.preview-valid { background-color: rgba(72, 187, 120, 0.6) !important; }
#gameCanvas .bs-cell.preview-invalid { background-color: rgba(245, 101, 101, 0.6) !important; cursor: not-allowed; }

/* BARRES */
#gameCanvas .bs-health-bar { width: 100%; height: 6px; background: #edf2f7; border-radius: 4px; overflow: hidden; margin-top: 5px; }
#gameCanvas .bs-health-bar div { height: 100%; background: #48bb78; transition: width 0.5s; }
#gameCanvas .enemy-bar div { background: #f56565; }

/* RESULTATS */
#gameCanvas .bs-results-card { background: #fff; border: 2px solid #e2e8f0; border-radius: 15px; padding: 20px; margin: 15px 0; text-align: center; width: 100%; }
#gameCanvas .bs-score-circle { 
    width: 90px; height: 90px; border-radius: 50%; background: var(--primary); color: white;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    font-size: 1.8rem; font-weight: bold; margin: 0 auto 15px;
}
#gameCanvas .bs-stats-grid { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
#gameCanvas .bs-stat-item { display: flex; flex-direction: column; }
#gameCanvas .bs-val { font-weight: 800; font-size: 1.6rem; color: var(--secondary); }
#gameCanvas .bs-lbl { font-size: 1rem; color: #718096; font-weight: 600; }

@keyframes shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-2px)} 75%{transform:translateX(2px)} }

@media (max-width: 700px) {
    #gameCanvas .bs-grid { grid-template-columns: 20px repeat(10, 26px); grid-template-rows: 20px repeat(10, 26px); }
    #gameCanvas .bs-cell { width: 26px; height: 26px; font-size: 0.9rem; }
    #gameCanvas .bs-boards-area { flex-direction: column; align-items: center; }
    #gameCanvas .bs-game-info-bar { flex-direction: column; gap: 5px; text-align: center; }
    #gameCanvas .bs-setup-controls-container { flex-direction: column; }
}