.tool-fullwidth {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
}

/* Tool shell */
.game-tool {
    max-width: 100%;
    margin: 0 auto;
}

.game-tool.editor-section,
.editor-section.game-tool {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.game-tool .card {
    border: 1px solid var(--color-border, #e5e7eb);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.06));
    border-radius: var(--radius, 12px);
    background: var(--color-surface, #fff);
}

.game-tool .card-body {
    padding: 1.25rem 1.35rem;
}

.game-tool .card-title {
    color: var(--color-text, #1f2937);
    font-weight: 700;
    font-size: 1.05rem;
}

.game-tool .form-control,
.game-tool .form-select,
.game-tool .select-input,
.game-tool textarea {
    border-radius: 8px;
    border: 1px solid var(--color-border, #e5e7eb);
}

.game-tool .form-control:focus,
.game-tool .form-select:focus,
.game-tool textarea:focus {
    border-color: var(--color-primary, #0d9488);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.game-tool .btn-primary {
    background: var(--color-primary, #0d9488);
    border-color: var(--color-primary, #0d9488);
}

.game-tool .btn-primary:hover {
    background: var(--color-primary-hover, #0f766e);
    border-color: var(--color-primary-hover, #0f766e);
}

.game-tool .alert {
    border-radius: 10px;
}

[data-theme="dark"] .game-tool .card {
    background: var(--color-surface, #1f2937);
    border-color: var(--color-border, #374151);
}

[data-theme="dark"] .game-tool .card-title,
[data-theme="dark"] .game-tool .form-label,
[data-theme="dark"] .game-tool {
    color: var(--color-text, #f9fafb);
}

[data-theme="dark"] .game-tool .text-muted,
[data-theme="dark"] .game-tool .form-text {
    color: var(--color-text-secondary, #9ca3af) !important;
}

[data-theme="dark"] .game-tool .form-control,
[data-theme="dark"] .game-tool .form-select,
[data-theme="dark"] .game-tool textarea {
    background: #111827;
    color: var(--color-text, #f9fafb);
    border-color: var(--color-border, #374151);
}

/* --- tool: sokoban-game --- */
.sokoban-game {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.game-container {
    display: inline-block;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.sokoban-grid {
    display: inline-grid;
    gap: 2px;
    background: #6c757d;
    padding: 10px;
    border-radius: 8px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.grid-cell {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    border-radius: 4px;
    transition: all 0.2s ease;
    cursor: pointer;
    user-select: none;
}

.grid-cell.wall {
    background: #495057;
    color: #495057;
}

.grid-cell.floor {
    background: #e9ecef;
    color: #6c757d;
}

.grid-cell.target {
    background: #28a745;
    color: #28a745;
    position: relative;
}

.grid-cell.target::after {
    content: '★';
    position: absolute;
    color: #fff;
    font-size: 16px;
}

.grid-cell.player {
    background: #007bff;
    color: #fff;
    font-weight: bold;
}

.grid-cell.box {
    background: #fd7e14;
    color: #fff;
    font-weight: bold;
}

.grid-cell.box-on-target {
    background: #28a745;
    color: #fff;
    font-weight: bold;
}

.grid-cell.target-with-player {
    background: #007bff;
    color: #fff;
    font-weight: bold;
}

.grid-cell.target-with-player::after {
    content: '★';
    position: absolute;
    color: #fff;
    font-size: 16px;
    z-index: 1;
}

.info-card {
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border: 1px solid #dee2e6;
}

.info-value {
    font-size: 24px;
    font-weight: bold;
    color: #007bff;
    margin-bottom: 5px;
}

.info-label {
    font-size: 14px;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.game-result {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 2px solid #28a745;
}

.stat-item {
    padding: 10px;
    background: #f8f9fa;
    border-radius: 6px;
    margin-bottom: 10px;
}

.stat-label {
    font-weight: bold;
    color: #495057;
    margin-right: 10px;
}

.stat-value {
    color: #007bff;
    font-weight: bold;
}

.controls-info {
    background: #e9ecef;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #dee2e6;
}

@media (max-width: 768px) {
    .grid-cell {
        width: 35px;
        height: 35px;
        font-size: 18px;
    }
    
    .game-container {
        padding: 15px;
    }
    
    .sokoban-grid {
        padding: 8px;
        gap: 1px;
    }
}