/* Tuval (Pixel Boyama) Stilleri */

.tuval-lvbar {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 0.3rem;
}
.tuval-lv-btn {
    padding: 6px 16px;
    border: 2px solid #E0E0E0;
    border-radius: 20px;
    background: white;
    font-weight: 700;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}
.tuval-lv-btn.active {
    background: var(--tuval-color, #E91E63);
    color: white;
    border-color: var(--tuval-color, #E91E63);
}
.tuval-lv-btn:hover { transform: scale(1.05); }

.tuval-wrap {
    display: flex;
    justify-content: center;
    padding: 0.3rem;
}

.tuval-grid {
    display: grid;
    border: 2px solid #999;
    background: #999;
    gap: 1px;
    touch-action: none;
    user-select: none;
}
.tuval-10 { width: clamp(260px, 80vw, 360px); height: clamp(260px, 80vw, 360px); }
.tuval-15 { width: clamp(280px, 85vw, 400px); height: clamp(280px, 85vw, 400px); }
.tuval-20 { width: clamp(300px, 88vw, 420px); height: clamp(300px, 88vw, 420px); }

.tuval-cell {
    background: white;
    cursor: crosshair;
    transition: background 0.05s;
}
.tuval-cell:hover {
    filter: brightness(0.95);
}

.tuval-palette {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    padding: 0.4rem;
    max-width: min(420px, 95vw);
    margin: 0.3rem auto;
}

.tuval-swatch {
    width: 32px;
    height: 32px;
    border: 3px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.15s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.tuval-swatch:hover { transform: scale(1.15); }
.tuval-swatch.active {
    border-color: #333;
    transform: scale(1.2);
    box-shadow: 0 0 0 3px rgba(0,0,0,0.2);
}

.tuval-tools {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 0.3rem;
}

.tuval-tool-btn {
    padding: 8px 16px;
    border: 2px solid #E0E0E0;
    border-radius: 12px;
    background: white;
    font-weight: 700;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}
.tuval-tool-btn.active {
    background: #FFF3E0;
    border-color: #FF9800;
    color: #E65100;
}
.tuval-tool-btn.danger:hover {
    background: #FFEBEE;
    border-color: #F44336;
    color: #C62828;
}